Manuale d’uso / di manutenzione del prodotto 900 MAX del fabbricante Hach
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Catalog Number 8990 Sigma 900 MAX Refrig erated Sampler INSTR UMENT MANU AL 07/03 4ed.
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Catalog Number 8990 Sigma 900 MAX Refrigerated Sampler INSTR UMENT MANU AL © Hach Company , 2002, 2003. All rights r eser ved. Printed in the U .S.A. eac 07/03 4ed.
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Pag e 3 8990T OC.f m T able of Contents Ta b l e o f C o n t e n t s Safety Precau tions ................. ................. ................ ................ ................ ................ ............ .... ................ ................. . 7 Specifications .
Pag e 4 T able of Con tents 8990T OC .fm T able of Contents 4.1.3 Downlook Ultrasonic Sensor Calibration ....................... ................. ................ ................ ........... ..... ......... 61 4.1.3.1 Liquid Depth ................ .
T able of Contents Pag e 5 8990T OC.f m T able of Contents 6.3 4–20 mA Optio n ......... ............. ................ ................ ................ ................. ............ .......... ....... ................ ............ 87 6.3.1 4–20 mA Con nection .
Pag e 6 T able of Con tents 8990T OC .fm T able of Contents Selecting the Channel ...................... ................ ................ ................ ............. ................ ....... ......... ................ . 114 Tabular or Gra ph Format .
Pag e 7 8990saf .fm Safety Precautions Safety Precautions Please read this entire man ual bef ore unpac king, setting up , or oper ating this instrument. P a y par ticular attention to all danger and caution statements . F ailure to do so co uld result in serious injur y to the operat or or damage to the equipment .
Pag e 8 Safety Precautions 8990saf .fm Safety Precautions Hazar dous Locations The Sigma 900 MAX Refrigerated Sample r is not approv ed f or use in hazardous locations as d efined in the National Electrical Code.
Pag e 9 8990spc.fm Specifications Specifications Specifications are subject t o change without notice . General Dimensions Width 61 cm (24 in.), Depth 61 cm (24 in.), Heig ht 110 cm (43.5 in.), Weight 63.3 kg (140 lb) Cabinet Fibergla ss reinforced plastic with beige UV in hibited polymer laminate.
Pag e 1 0 Specificat ions 8990spc.fm Specifications Sample Bottle Capacity Single Bottle Mode 6 gal polyeth ylene (with polypropylene cap) Multiple Bottle Mode T wo Bottle Sampling: Set of two 2.5 gal glass (with T eflo n ® -lined lid) or 3 gal polyeth ylene bottle (with polypropylene cap) F our Bottle Sampling : Set of f our 2.
Specifications Pag e 1 1 8990spc.fm Specifications F actory Installed Options Intake Purge Air purged automatically before and after each sample; duration automatically compensates f or varying intake line lengths.
Pag e 1 2 Specificat ions 8990spc.fm Specifications Rain Gauge Input General Information F or use with the Tipping Bucket Rain Gauge. The Sampler Program can be i nitiated upon field se lectable rate of rain. Sampler records rainf all data. Each tip = 0.
Specifications Pag e 1 3 8990spc.fm Specifications Submerged Area/V elocity Probe Method Doppler Prin ciple/Pressure T ransducer . Material P olymer body , 316 series stainless steel diaphragm. Cable 8-conductor urethane sensor cable with air vent. Cable L ength 7.
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Pag e 1 5 8990int.fm Introduction Section 1 Intr oduction 1.1 Contr oller Co ver The controller is mount ed on top of a specially designed refrigera tor . The sample line passes th rough the top of the r efrigerator and into t he refrigerated compar tment where the sample con tainter(s) are located.
Pag e 1 6 Front P anel 8990int.fm Section 1 1.2.1 Ke ypad Description The k eypad includes the n umeric keypa d, soft ke ys, and function k eys . Numeric Keypad The numeric ke ypad consists digits 0 through 9, a +/- k ey , and a decimal ke y . “Soft” Keys Soft ke ys are bl ank, white ke ys located to the left and right of the displa y .
Section 1 Pag e 1 7 8990int.fm Fr ont Panel Status Bar The Status Bar appea rs along the bottom edge of the display . The appear ance of the status bar chang es depending upon the function pe rformed ( Figure 1 ). The low er left corner of the Status Bar indicates whether a program is Complete , Running, Halted, or Ready T o Star t.
Pag e 1 8 Interface Connectors 8990int.fm Section 1 1.3 Interface Connectors Interf ace connectors are located on the left side of the controller housing . An optional w eather tight terminal bo x located on the back of the sampler prov ides conduit termination f or all input/ou tput lines .
Section 1 Pag e 1 9 8990int.fm Principle of Operation 1.4 Principle of Operation 1.4.1 Liquid Sensing The sampler is designed for indoor , permanent installation. All contro ls are located on the front panel. Capped, w ater tight connectors f or interf acing to e xternal devices ar e located along the left side of the controller .
Pag e 2 0 Principle of Operation 8990int.fm Section 1 Intake T ube Pre-Rinse The liquid sensor also rinses the intake tubing with the liquid fro m the sample source bef ore taking each sample . Upon sample initiati on, the pump purges the intak e line.
Pag e 2 1 8990i_stop .fm INST ALLA TION DA N G E R Some of the fo llowing manual sect ions contain informa tion in the form of warnings, ca utions and notes that require special attention. Read and follow the se instructions carefully to a v oid personal injury and damage to the instrument .
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Pag e 2 3 8990hrd.fm Installation Section 2 Installation D ANGER This instrument should b e installed by qualified technical personnel to ensu re adhe rence to all applicable electrical codes.
Pag e 2 4 Installing the Pump T ub e in the Sensor Body 8990hrd.fm Section 2 2.3 Installing the Pump T ube in the Sensor Body Note: Do not stretc h the tubing in the sensor body , as this could aff ect the ability of the sensor to detect liquid through the pump tubin g.
Section 2 Pag e 2 5 8990hrd.fm Instal ling the Pump T ube in the Sensor Body 2.3.1 Attaching the Intake Line 2.3.1.1 Attaching the Vin yl T ubing The connection kit ( Cat.
Pag e 2 6 Choosing Bottle and Reta iner Configurations 8990hrd.fm Section 2 4. Repeat the proced ure fo r the fitting that connect s the T eflon-lined tubing to the silicone pump tubing. Figure 8 3 / 8 ″ ID T eflon-lined T ubing Atta ched to Intake Strainer and T ubing Connector 2.
Section 2 Pag e 2 7 8990hrd.fm Setting Up the Bottles Figure 9 Bottle Configurations 2.5 Setting Up the Bottles 2.5.1 One-Bottle Sampling F or single bo ttle composite samp ling, insta ll the Full B ottle Sh ut-off (ref er to Section 2.7 on pag e 31 ) and place the bott le in the center of the refrigera tor ( Figure 15 on page 31 ).
Pag e 2 8 Setting Up the Bottles 8990hrd.fm Section 2 F or f our-bottle sampling, install the distributor an d place all four bo ttles in the tra y as shown in Figure 11 .
Section 2 Pag e 2 9 8990hrd.fm Installing the Distrib utor (Multiple Bottle Operation) Figure 12 Eight-, 12-, or 24-bottle Configurat ion 2.6 Installing the Distributor (Multiple Bottle Operation) Note: Make sure the sampler is powered off bef ore removing or installing the distr ibutor .
Pag e 3 0 Installing the Distributor (Multiple Bottl e Operation) 8990hrd.fm Section 2 2.6.1 Distrib utor Arm Alignment 1. Progr am the sampler f or 24-bott le operation. 2. Press ST AR T PROGRAM to set the dis tributor shaft to the Bottle #1 position.
Section 2 Pag e 3 1 8990hrd.fm Installi ng the Full-Bo ttle Shut-Off Device (S ingle Bottle Operation) 2.7 Installing the Full-Bo ttle Shut-Off De vice (Sin gle Bottle Operation) 1. Install the rubber g rommet into the hole pro vided in the cap of the composite bottle .
Pag e 3 2 A uxiliary Receptacle Pin Identification 8990hrd.fm Section 2 Important: Whenev er electricity is present, t here is a possibility of electr ical shoc k.
Section 2 Pag e 3 3 8990hrd.fm A uxiliary Receptacle Pin Identification 2.9.1 Splitter Interface Use the Splitter Int erfa ce (Cat. No . 939) when more than one signal is needed simultaneou sly . Con necting the interf ace to the 6-pin co nnector on the sampler pr ovides three addition al connecto rs.
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Pag e 3 5 8990o_stop .fm OPERA TION DA N G E R Handling ch emical samples, standar ds, and rea gents can be dangerous. Review th e necessary Material Safety Da ta Sheets and become fami liar with all saf ety pro cedures bef ore handling an y chemicals.
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Pag e 3 7 8990startup.fm Basic Programming Setup Section 3 Basic Pr ogramming Setup 3.1 Initial P ower -Up of Sampler After pressing the ON k e y , the sa mpler perf orms a complete diag nostic test and displa ys the menu sho wn when the unit w as last tur ned off .
Pag e 3 8 Basic Programming Setup 8990startup.fm Section 3 T o make cha nges to the progr am entries after the basic prog ramming setup , press MAIN MENU and select SETUP>MODIFY SELECTED ITEMS and highlight the program entr y using the UP and DO WN ke ys.
Section 3 Pag e 3 9 8990startup.fm Basic Programming Setup 1-C. Enter the bott le volume using the numeric ke ypad and select gallons or milliliters using the CHANGE UNITS key . 1-D . Press A CCEPT and contin ue to Intak e T ubing. Step 2 - Intake T ubing 2-A.
Pag e 4 0 Basic Programming Setup 8990startup.fm Section 3 Step 4 - Pr ogram Delay Note: If both Setpoint Sampling and Program Dela y are enabled, the program dela y is ev aluated first, prior to any checking f or setpoint conditions. 4-A. Enable or Disab le Program Dela y using the CHANGE CHOICE key .
Section 3 Pag e 4 1 8990startup.fm Basic Programming Setup b. Enter the Int er val Between Samples . Press A CCEPT to continue. c. Select either T ak e First Samp le Immediat ely or After The First In.
Pag e 4 2 Basic Programming Setup 8990startup.fm Section 3 c. Select either Inte gral or External flow meter an d press ACCEPT . d. Enter the flo w volum e between samples using th e numeric ke ypad and select a unit of measure using the CHANGE UNITS ke y , t hen press A CCEPT .
Section 3 Pag e 4 3 8990startup.fm Basic Programming Setup Flow Pr oportional Constant Time , V ariable V olume Sampling ( CTVV) A Le vel-V elocity Sensor Input must be logge d and electrically connected for the CTVV f eature to work correct ly . CTVV samples are tak en at user-specified constant (fix ed) intervals .
Pag e 4 4 Basic Programming Setup 8990startup.fm Section 3 a. In the Sample Collection menu, press CHANGE CHOICE until Flow Propor t ional is displaye d. P ress A CCEPT . b. In the Flow P acing menu, pre ss CHANGE CHOICE until Const Time/V ar V ol appea rs.
Section 3 Pag e 4 5 8990startup.fm Basic Programming Setup f. In the Collec tion P erio d menu use the num eric keypad to enter th e time period f or collecting samples . g. Press A CCEPT to continue to Sample Distribution. Step 6 - Sample Distrib ution Sample distribution d escribes the wa y samples are deposited in a bottle( s).
Pag e 4 6 Basic Programming Setup 8990startup.fm Section 3 If NO is selected: a. Select Samples per Bottle or Bottles pe r Sample. Example 1: Samples P er Bottle • Bottles— 8 • Sample Collection; Ti me-Propo r tional; Sa mpling Inter val—30 min.
Section 3 Pag e 4 7 8990startup.fm Basic Programming Setup b. If Stop After Last Samp le is chosen, enter the samples to collect using the numeric k eypad.
Pag e 4 8 Basic Programming Setup 8990startup.fm Section 3 Step 8 - Sample V olume Note: The minim um sample volume is ten milliliters. When multiple bottles are selected in Bottle P er Sa mple mode al l bottles in a subset receiv e a full sample v olume.
Section 3 Pag e 4 9 8990startup.fm Ad vanced Sampling Step 11 - Site ID 11-A. Enter a site identificati on number of up to 8 digits. This Site ID will appear on all data printouts . This f eature is useful when multip le sites are monitored using a single flow meter or if data readings f rom multiple flow me ters are collected.
Pag e 5 0 Adv anced Sampling 8990startup.fm Section 3 Step 12 - Pr ogram Complete Output Program Complete Output sends a +12 V dc signal out Pin F of the A uxiliar y Receptacle at the completion of th e sampling program. This signal is also sent when a Full Bottle conditio n causes the program to complete.
Section 3 Pag e 5 1 8990startup.fm Ad vanced Sampling 13-C. Select eithe r Star t on Setpoint or Stop on Setpoi nt by pressing CHANGE CHOICE . Press A CCEPT to c ontinue. • Star t on Setpoint will s tar t a progra m when the setpoint condition is met.
Pag e 5 2 Adv anced Sampling 8990startup.fm Section 3 13-I. Enter a dela y when input is active . This delay will k eep the program from starting until the end of the dela y period. Using the n umeric ke ypad, enter the delay in min utes and/or hours .
Section 3 Pag e 5 3 8990startup.fm Ad vanced Sampling Bottle Number If the Prog ram Complete Output is disab led, then it is used in conjunction with this Special Outpu t to transmit the bottle number to the conn ected device.
Pag e 5 4 Adv anced Sampling 8990startup.fm Section 3 15-E. Enter the Sta r t Time #1, press A CCEPT to continue. Enter Stop Time # and press A CCEPT to continue. 15-F . Continue entering Star t and Stop times un til finished. T o e xit and sav e entries, enter a blank time and dat e.
Section 3 Pag e 5 5 8990startup.fm Ad vanced Sampling • Stor m water samplers are equ ipped with a spec ial prerin se that occurs only with the first sample collection.
Pag e 5 6 Adv anced Sampling 8990startup.fm Section 3 The number of first flush bottle s will depend on the sample v olume requirements in the NPDES pe r mit. b. Enter number of samples to co llect using the numeric ke ypad. c. Enter the first flush sampling interval.
Section 3 Pag e 5 7 8990startup.fm Ad vanced Sampling f. Enter the Prog ram Time Limit. NPDES typically requires monitoring during the first thr ee hours of any gi ven storm. If the flo w v olume was not as high as e xpected, flo w-weighted sa mpling could continue f or some time as flow rates drop off and sample inter vals become longer .
Pag e 5 8 Adv anced Sampling 8990startup.fm Section 3 17-D . Enable or Disable Continuo us Mode using the CHANGE CHOICE key . If Continuous Mode is enab led the program will continuously run and s witch bottle sets a fter e very specified dur ation elapses , until manua lly stopped.
Section 3 Pag e 5 9 8990startup.fm Ad vanced Sampling 18-E. Enter the de sired high or low t r igger point using the numeric ke ypad. Press A CCEPT to continue.
Pag e 6 0 Adv anced Sampling 8990startup.fm Section 3 Step 19 - V ariab le Intervals 19-A. Highlight V ariable Int er vals using the UP and DO WN keys on the Adv anced Sampling Menu. Press SELECT to contin ue. 19-B. Enable or Disab le V ariable Intervals using the CHAN GE CHOICE key .
Pag e 6 1 8990sensors. fm Sens or Setup Section 4 Sensor Setup 4.1 Downlook Ultrasonic Sensor 4.1.1 Downlook Ultrasonic Sensor Connection The downlook ultrasonic se nsor conne ction is located on the back side of the refrigerated cabinet . The gra y rectangular bo x houses the ultrasonic module and the tran sducer connector labeled UL TRASONIC .
Pag e 6 2 Downlook Ultrason ic Sensor 8990sensors .fm Section 4 4. Enter the amb ient air temper ature at the tr ansducer location . F or optimum results, allow enough time (100 minutes) to e nsure that the sensor is a t equilibrium with the surrounding ambient temperature.
Section 4 Pag e 6 3 8990sensors. fm Submerged Area/V elocity Sensor 4. Select either inches or c entimeters usin g the CHANGE UNITS key . Th e distance m ust be greater t han the minimum dea dband of 10 in. (25 .4 cm) f or the 75 kHz sensor and 15 in.
Pag e 6 4 Submerged Area/V elocity Sensor 8990sensors .fm Section 4 7. Set the V elocity Unit s (fps or m/s), using the UP and DO WN arrow k eys . Press A CCEPT to continue. 8. Highlight V elocity Cutoff , using the UP and DO WN keys . Press SELECT . 9.
Section 4 Pag e 6 5 8990sensors. fm Submerged Pressure Sens or 3. Place the sensor f ace up in the bu ck et or liquid. T ap lightly to remov e air bub bles . If these b ubb les are not remov ed y ou can receiv e false readings from the sensor during calibr ation ( Figure 17 ).
Pag e 6 6 Submerged Pressure Sensor 8990sensors .fm Section 4 4.3.2 Submerged Pressure Sensor Pr ogramming 1. F rom the Main Men u, select OPTIONS>LEVEL SENSOR.
Section 4 Pag e 6 7 8990sensors. fm Submerged Pressure Sens or V er tical Orienta tion Only a. Place the sensor under at least 16 cm (6 in.) of water in a v er tical orientation. Mak e sure the sensor is sta ble and not mo ving around. Then press A CCEPT to continue.
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Pag e 6 9 8990options .fm Optional Device Installation Section 5 Optional De vice Installation This section describes how t o setup a rain gauge to the Sampler as w ell as how to connect, pr ogram, calibrate, and maintain the optional water quality probes: 5.
Pag e 7 0 pH Probe 8990options .fm Section 5 5.1.1 Rain Gauge Programming 1. F rom the Main Men u select OPTIONS>AD V ANCED OPTIONS>DA T ALOG. 2. Highlight Select Inputs using the UP and DO WN keys and press SELECT . Note: When logging is enabled, an arrow will point to the logged channel.
Section 5 Pag e 7 1 8990options .fm pH Probe Figure 22 pH Probe Wiring t o Junction Bo x (gr ounded) Figure 23 pH Probe Wiring t o Junction Bo x (un-gr ounded) 5.2.2 pH Probe Pr ogramming 1. F rom the Main Men u, select OPTIONS>AD V ANCED OPTIONS>D A T ALOG.
Pag e 7 2 ORP Probe 8990options .fm Section 5 Probes must be calibr ated to the sampler each ti me they are cleaned or replaced. Regu lar inspection and comparison to a hand- held pH meter can help determine the optimum cle aning and calibration sched ule for specific applications.
Section 5 Pag e 7 3 8990options .fm ORP Probe The ORP probe consists of three wire s; a pink, blac k, and red wire . There is no temper ature sensor on the ORP probe . 1. Attach the clear wir e to either screw on the ter minal str ip labeled GLASS. 2.
Pag e 7 4 Dissolved Oxygen Probe 8990options .fm Section 5 4. Attach the positiv e batter y ter minal to the terminal bloc k scre w labeled “glass” and the negativ e battery ter minal to the terminal bloc k screw labeled “ref .
Section 5 Pag e 7 5 8990options .fm Dissolved Oxygen Probe 5.4.3 Dissolved Oxygen Probe T emperature Pr ogramming 1. F rom the Main Men u, select OPTIONS>AD V ANCED OPTIONS>D A T ALOG 2. Highlight Select Inputs using t he UP and DO WN k e ys and press SELECT .
Pag e 7 6 Conductivity Pr obe 8990options .fm Section 5 5.5 Conductivity Pr obe 5.5.1 Conductivity Probe Connection 5.5.2 Conductivity Probe Programming 1. F rom the Main Men u, select OPTIONS>AD V ANCED OPTIONS>D A T ALOG. 2. Highlight Select Inputs using t he UP and DO WN keys.
Section 5 Pag e 7 7 8990options .fm Conductivity Pro be 5.5.4 Conductivity Probe Calibration 1. F rom the Main Men u, select OPTIONS > AD V ANCED OPTIONS > CALIBRA TION > CONDUCTIVITY . 2. Clean and dry the probe. 3. Place the sensor and thermometer in the calibra tion solution (Cat.
Pag e 7 8 Conductivity Pr obe 8990options .fm Section 5 c. If the calibration t emperature is lo wer than the labeled value, then subtract that value from the standa rd (1.0 mS) to get th e actual value to be used f or calibration. 1.0 mS - (correction factor) 0.
Pag e 7 9 8990cm.fm Communication Setup Section 6 Comm unication Setup Communication setu p details connections and progr amming f eatures of the: 6.1 RS232 Cable 6.
Pag e 8 0 Modem 8990cm.fm Section 6 6.2 Modem 6.2.1 Modem Connection This connection is f or interfacing the op tional internal modem (Cat. No . 1602) with a standard pub lic telephone line . 6.2.2 Modem Programming 1. F rom the Main Men u, select OPTIONS>AD V ANCED OPTION>COMMUNICA TIONS SET UP .
Section 6 Pag e 8 1 8990cm.fm Modem 4. Select either pulse or to ne dialing modes. This will depend on the type of phone service selected for the site phone line.
Pag e 8 2 Modem 8990cm.fm Section 6 4. Loosen the f our scre ws on the co ver of the cell phone enclosure and remov e the co ver , to view the signal str ength. The signal strength is indicated b y the number of da shes across the bottom of the cell phone displa y .
Section 6 Pag e 8 3 8990cm.fm Modem 6.2.2.4 Cellular Modem Schedulin g Basis After enab ling Cellular Modem Scheduling it will be necessar y to choose the type of scheduling; Hour ly , Daily or We ekly . If Hourly is chosen the modem and cell phon e are pow ered up once e v er y hour on the hour f or a user de fined duratio n.
Pag e 8 4 Modem 8990cm.fm Section 6 6.2.2.5 Cellular Modem T riggering When Cellular Modem T riggering is enable d both the cell phone and modem remains on f or a us er s pecified duration after ca lling a pager or remote computer when an al arm condition is met.
Section 6 Pag e 8 5 8990cm.fm Modem 2. Enter the phone number of the paging se r vice. Press A C CEPT . 3. Enter the number of p agers to call when an alarm occurs. Press A CCEPT . 4. Enter the phon e numbers of the individual pagers to send the message to .
Pag e 8 6 Modem 8990cm.fm Section 6 T able 15 P ager Alarm Codes Alarm Code Equipment Reason Alarm Code Equipment Reason Low Main Batter y 1 — Battery pack is less than 11.
Section 6 Pag e 8 7 8990cm.fm 4–20 mA Option 6.3 4–20 mA Option The 4–20 mA option provid es a current loop f or controlling external devices such as a char t recorder or PC . Either one or both of the 4– 20 mA outputs can be f actory installed and ar e isolated from each other .
Pag e 8 8 4–20 mA Option 8990cm.fm Section 6 5. Select an analog Inpu t Channel (e.g. , channel 1, 2, 3, or , flow , etc.) to assign to that output. Pre ss CHANGE CHOICE to cycle through the channel names . When the desired channel is displa yed, press A C CEPT .
Section 6 Pag e 8 9 8990cm.fm Alarm Relays 7. Press any k ey to set the output to 20.00 mA dc. 8. Measure the current on the selected output using the mu ltimeter and enter the measured value using the n umeric ke ypad. Press A CCEPT to complete the ca libration.
Pag e 9 0 Alarm Relays 8990cm.fm Section 6 6.4.1 Alarm Rela ys Connection Figure 26 Relay Pin Connections Relay J unction B o x Required rela y box is an alarm relay bo x assembly with a 10-ft long cab le with a 6-pin connect or on one end and a rela y bo x on the other end ( Figu re 27 ).
Section 6 Pag e 9 1 8990cm.fm Alarm Relays Figure 27 Single Relay Wiring In side the Relay J unction Bo x 6.4.2 Alarm Rela ys Programming Progr am alar ms activ ate based on cer tain conditions (lo w batter y , low memory , etc.). Whe n an alar m is tripped, an action is initiated (report via modem, dial a pager , or set a rela y).
Pag e 9 2 Alarm Relays 8990cm.fm Section 6 1. Enable one of the alarm conditions. 2. Select an a ction to occur when the alarm is activ ated. 3. Set either a High trip point or a Lo w tr ip point. 4. After entering the trip point ente r the deadband v alue.
Section 6 Pag e 9 3 8990cm.fm Analog Inputs Figure 28 Deadband Concept 6.5 Analog Inputs 6.5.1 Analog Inputs Connection Note: 4–20 mA inputs must be isolated. Ma ximum load per uni t is 200 ohms. Analog v oltage as well as analog current inpu t signals are accommodated in a single connector .
Pag e 9 4 Analog Inpu ts 8990cm.fm Section 6 There are a tota l of three analog input chann els av ailabl e on the sampler . These inputs accept 4–20 mA dc or -4.0 t o +4.0 V dc analog signals. They can be logged and g raphed and can al so b e used to trigger alar ms, cause setpoint samples , and control 4–20 mA output s.
Pag e 9 5 8990m_stop .fm MAINTENANCE DA N G E R Some of the fo llowing manual sect ions contain informa tion in the form of warnings, ca utions and notes that require special attention. Read and follow the se instructions carefully to a v oid personal injury and damage to the instrument .
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Pag e 9 7 8990mnt.fm Maintenance Section 7 Maintenance D ANGER Alwa ys disconnect power to the sampler before perf orming any maintenance or service . D ANGER Débranchez toujo urs l'alimentation d e l'analyseur d 'echantillonne ur avant de procéder à un entretien ou une réparation.
Pag e 9 8 Upgrades, Repairs, General Maintenance 8990mnt.fm Section 7 Note: T o e xtend the lif e of the tubing, rotate the pump tube 90 degrees in the pump h ousing after appro ximately 2 / 3 of the life has been realized (once the tube life has been deter mined through use).
Section 7 Pag e 9 9 8990mnt.fm Internal Maintenance Items Electr ostatic Discharge (ESD) Considerations T o minimi ze ESD risks, maintenance procedures not requiring power to the sampler should be performed with power removed.
Pag e 1 0 0 Re-installing the Bottom Panel 8990mnt.fm Section 7 T o open t he controller : 1. Remove the 17 screws from ar ound the pe rim eter of the co ntroller bac k panel. 2. Carefully pull open the bott om panel and let the attached conne ctors s wing out of the wa y .
Section 7 Pag e 1 0 1 8990mnt.fm Cir cuit Board Identification 7.7 Cir cuit Board Identification There are two main circui t boards in the sampler ; the Utility Board and the CPU board. The CPU board is attached to the bott om panel and the Utility board is loca ted inside the cont rol housing behind t he motor/gearbo x assembly .
Pag e 1 0 2 Circuit Boar d Identification 8990mnt.fm Section 7 Figure 32 Utility Board T able 21 Utilit y Board Connections ID Description ID Description J1 Distr ibutor J12 Analog Input Channel 5 J2 .
Section 7 Pag e 1 0 3 8990mnt.fm Replacing the Fuse 7.8 Replacing the Fuse D ANGER For continued protection against fire, replace fuses with only fuses of specified type and current rating. PELIGRO P ara una co ntinua protección contra incendios, reempl ace los fusibles únicamente por los d el tipo y capacidad reco mendados.
Pag e 1 0 4 Memory Battery 8990mnt.fm Section 7 7.11 Memory Battery Random Access Memory (RAM) is a very reliable data stor age medium f or microprocessor applications . How e ver , RAM requires pow er at all times. I f pow er is remov ed, the data stored in the RAM chip is lost.
Pag e 1 0 5 8990apdx_quic kstar t.fm Quick Start Guides Appendix A Quic k Star t Guides F or best results, read the instrument manual bef ore beginning. Use this guide as a reminder . Sigma 900 MAX Refrig erated Sampler Main Menu Flo w Chart Sample History Lev el Flow .
Pag e 1 0 6 Quick Start Guides 8990apdx_quic kstar t.fm Appendix A Sigma 900 MAX Refrigerated Sampler Setup Flow Chart *2 Note: Flow Pacing menu will not remember previous setting whenever you re-enter that menu, i.
Appendix A Pag e 1 0 7 8990apdx_quic kstar t.fm Quick Start Guides Sigma 900 MAX Refrigerated Sampler Options Flow Chart Calibration Advanced Options or select Diagnostics Time / Date Data Log Screen .
Pag e 1 0 8 Quick Start Guides 8990apdx_quic kstar t.fm Appendix A Sigma 900 MAX Refrigerat ed Sampler Adv anced Sampling Flo w Char t Flow Rate of Chg Rainfall Options Setup Status Display Data Main .
Appendix A Pag e 1 0 9 8990apdx_quic kstar t.fm Quick Start Guides Sigma 900 MAX Refrigerated Sampler Alarms Flow Chart Report via Modem Set Relay #1 Set Relay #2 Set Relay #3 Set Relay #4 Enable or Disable select Lev el Flow pH / ORP Process T emp Cabinet T emperature Channel 1 Channel 2 Channel 3 Channel 4 or D .
Pag e 1 1 0 Quick Start Guides 8990apdx_quic kstar t.fm Appendix A Sigma 900 MAX Refrigerat ed Sampler Calibration Flow Cha r t (1 of 2) Advanced Options Calibration pH Proces T emp 4-20 mA Outputs or.
Appendix A Pag e 1 1 1 8990apdx_quic kstar t.fm Quick Start Guides Sigma 900 MAX Refrigerat ed Sampler Calibration Flow Cha r t (2 of 2) Advanced Options Calibration select Options Setup Status Displa.
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Pag e 1 1 3 8990apdx_pf eatures.fm Pr ogramming Features Appendix B Pr ogramming Features Revie w All Items This function re vie ws all inf or mation in the Setup and Opt ion menus without worrying about accidentally changing the inf ormat ion. Use this f unction to verify that the program is set up prop erly .
Pag e 1 1 4 Programming Features 8990apdx_pf eatures.fm Appendix B Selecting the Channel Note: Only the channels for which logging has been enabled will be listed. 1. Press DISPLA Y DA T A from the M ain Menu to disp la y a list of logged channels. 2.
Appendix B Pag e 1 1 5 8990apdx_pf eatures.fm Pr ogramming Features Graph Manipulation Graphic Displa y A veraging The sampler can displa y a graph that co nsists of a maximum of 180 individual dots .
Pag e 1 1 6 Programming Features 8990apdx_pf eatures.fm Appendix B Options Menu Features 1. F rom the Main Men u, select OPTIONS . Optional Prog rams • Time and Date f or internal real-time cloc k • Calibrate the sample v olume • Adv anced Fe atures • Adjust le v el readings of optional integ ral flo w meter Setting the Time and Date 1.
Appendix B Pag e 1 1 7 8990apdx_pf eatures.fm Pr ogramming Features Sensor Enabled When the sensor is enab led, and v olume calibration is selecte d, a single manual calibration is taken. It does not matter if m ult iple vo lumes are progr ammed (such as when using stormwater or upset sampling).
Pag e 1 1 8 Programming Features 8990apdx_pf eatures.fm Appendix B When calibratin g a Timed Rinse, the line is pu rged, then liquid is pumped tow ard the sensor . When the liquid reaches the predete r mined point, press any k ey to stop the pump . The pu mp will re ve rse and purge the line.
Appendix B Pag e 1 1 9 8990apdx_pf eatures.fm Pr ogramming Features Data Log F rom the Main Menu, select SETUP > AD V ANCED OPTIONS > D A T ALOG. The sampler can recor d up to 116,000 readings f rom any or all input ch annels and store them in solid st ate, batter y-backed memor y for later viewing or retriev al.
Pag e 1 2 0 Programming Features 8990apdx_pf eatures.fm Appendix B P ower Sa ve Mode. Selecting a five mi nute logging interval in Extended P ower Mode causes a reading to be tak en and logged e very five minut es. All channels m ust share the same logging int er val.
Appendix B Pag e 1 2 1 8990apdx_pf eatures.fm Pr ogramming Features Slate Memory Mode Slate mode causes logging t o stop when memory becomes full. The sam pler continues to oper ate bu t no more data is logged. Use this mode t o keep data from the beginn ing of the logging period.
Pag e 1 2 2 Programming Features 8990apdx_pf eatures.fm Appendix B Distributor T est The distributo r positions the sample tub e ov er the appropriate bottle during multiple bot tle sampling.
Appendix B Pag e 1 2 3 8990apdx_pf eatures.fm Pr ogramming Features LCD T est Display T est allows you to verify tha t all pix els in the Liquid Cr ystal Display (LCD) are functi onal. The LCD is made up of 14,400 pix els that are turned on and off as needed to cre ate the displa y of graphics and te xt.
Pag e 1 2 4 Programming Features 8990apdx_pf eatures.fm Appendix B Load Pr ogram F rom the Main Menu, select OPTIONS> AD V ANCED OPTIONS> LO AD PROGRAM. The sampler stores u p to five sets of program instructions . Each progra m consists of entries made in the Setup Menu an d the Adva nced Options Menu.
Appendix B Pag e 1 2 5 8990apdx_pf eatures.fm Pr ogramming Features Flow T o talizer The Flow T otalizer consists of th ree numeric counters that k eep trac k of the total flo w being measured. T wo softwa re totalizers ar e standard with a third e xternal mechanical totalizer as a n option.
Pag e 1 2 6 Programming Features 8990apdx_pf eatures.fm Appendix B Reset (T otaliz er) The non-resettable totaliz er will only be reset if one of the follo wing conditions occur: Note: The totalizer cannot be reset manually . 1. Select RESET from the T otalizer menu.
Pag e 1 2 7 8990apdx_tb l.fm T roubleshooting and Err or Messages Appendix C T r oubleshooting and Err or Messages Err or Messag es Error Message Reason *****W ar ning!***** Logged data will be lost if you choose to continue? Y es/No . Making a program change w hen a program is halted.
Pag e 1 2 8 T roubleshooting and Error Messag es 8990apdx_tb l.fm Appendix C Stor mwater mode is not allo wed when the sampler is configured with one bottle. T r ied to enable Storm Water with a single bottle . The program cannot star t: timed r inse required.
Appendix C Pag e 1 2 9 8990apdx_tb l.fm T roubleshooting and Err or Messages T roub le Alarm Conditions , Causes, and Solutions T rouble Condition Cause Solution Low Main Batter y P ower supply v oltage is less th an 11 V dc. Change batteries. Me m ory B at t ery I n te rn al m em ory b at t ery v o lt age is too low .
Pag e 1 3 0 T roubleshooting and Error Messag es 8990apdx_tb l.fm Appendix C Downlook Ult rasonic Sensor T roub leshooting Problems Causes Solutions RS485 Time Out—Did not get a reading with the specified time allotted. CPU is having trouble communicating with the Ultrasonic b oard.
Appendix C Pag e 1 3 1 8990apdx_tb l.fm T roubleshooting and Err or Messages pH T roubleshooting Symptom P ossible Cause Solution Meter continuously reads pH 14 or drifts abov e 14.
Pag e 1 3 2 T roubleshooting and Error Messag es 8990apdx_tb l.fm Appendix C Sigma 900 MAX Refrig erated Sampler T roub leshooting Issues Problem Cause Solution Instrument Will Not P ow er Up With ac Po w e r. Blown Fuse . Check the 5-amp fuse on the bac k of the controller .
Pag e 1 3 3 8990apdx_pulsecounts .fm How to Calculate Pulses/Counts Appendix D Ho w to Calculate Pulses/Counts The samp ler is equipp ed to rece iv e eithe r a mome ntar y dr y co ntact clos ure or a +5 to +12 V dc pulse from a flow meter , where each puls e represents a known flow increment.
Pag e 1 3 4 How to Calculate Pulses/Counts 8990apdx_pulsecounts .fm Appendix D 1. Determine the flo w increment betw een samples: 2. Multiply the flow increment, f , b y the pulse frequency outpu t of the flo w meter . Theref ore, the valu e for INTV = _ _ _ _ CNTS is 71.
Appendix D Pag e 1 3 5 8990apdx_pulsecounts .fm How to Calculate Pulses/Counts Use the f ollowing e xamples to help you dete r mine the v alue that you ne ed to enter when prog ramming f or sampling based on count s. Example 1 Y ou want to collect 24 samples o ve r a 24-hour period on a 4–20 mA flow propor tional basis .
Pag e 1 3 6 How to Calculate Pulses/Counts 8990apdx_pulsecounts .fm Appendix D 2. Calculate t . 3. Multiply Q x t x 10 . Theref ore, the valu e entered f or INTV = _ _ _ _ CNTS is 39.
Pag e 1 3 7 8990apdx_e xploded.fm Exploded Dra wings Appendix E Exploded Drawings Sigma 900 MAX Refriger ated Sampler Assembl y Drawing (1 of 3) Item Description Quantity Catalog Numb er 1 Hook and Lo.
Pag e 1 3 8 Exploded Drawi ngs 8990apdx_e xploded.fm Appendix E Sigma 900 MAX Refriger ated Sampler Assembl y Drawing (2 of 3) Item Description QTY Cat.
Appendix E Pag e 1 3 9 8990apdx_e xploded.fm Exploded Dra wings Sigma 900 MAX Refriger ated Sampler Assembl y Drawing (3 of 3) Item Description 1 Sub Probe 2 Rela y Option 3B u b b l e r 4 pH/ORP 5 Gearbox Assembly (Cat. No . 8910) 6 Fuse Holder , 5 x 20 mm (Cat.
Pag e 1 4 0 Exploded Drawi ngs 8990apdx_e xploded.fm Appendix E Sigma 900 MAX Refrigerated Composite Sampler Assembl y Item Description Catalog Number 1 900 Refri gerated Sampler 8971 2 120-V T ransit.
Appendix E Pag e 1 4 1 8990apdx_e xploded.fm Exploded Dra wings Sigma 900 Composite Re frigerator Assembl y Item Description Quantity Catalog Numb er 1P l a t e 1 8 9 7 9 2 Screw 3 SE 313 3 Screw 3 SE.
Pag e 1 4 2 Exploded Drawi ngs 8990apdx_e xploded.fm Appendix E Sigma 900 MAX Refrigerated Discrete Sampler Assembl y Item Description Catalog Number 1 Sigma 900 MAX Refrigerated Sampler 8973 2 120-V .
Appendix E Pag e 1 4 3 8990apdx_e xploded.fm Exploded Dra wings Sigma 900 Discrete Re frigerator Assembl y Item Description QTY Cat. No. Item Description QTY Cat.
Pag e 1 4 4 Exploded Drawi ngs 8990apdx_e xploded.fm Appendix E T ransition T ray Assembl y Item Description QTY Cat. No. Item Description QTY Cat. No.
Appendix E Pag e 1 4 5 8990apdx_e xploded.fm Exploded Dra wings Sigma 900 MAX Refrigerated Sampler Refe rence Dimensions 61 cm (24”) ref . 61 cm (24”) ref .
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At Hach Compa ny , c ustomer service is an important part of e very product we make. With that in mind, we have compiled the following infor mation for y our con venience.
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Pag e 1 4 9 P ar ts and Accessories Description Pa r t Nu m b e r 3-wa y Splitter Assembly ...... ................ ................. ................ ................ ................ ................ . ............ ................ .... 939 4–20 mA Interface, 10 ft Cab le.
Pag e 1 5 0 P arts and Accessories Base/Bottle, Composite/Multiple Sampli ng Accessories Area x V elocity Measurement Sensors Sampler Bottle T ype Pa r t N u m b e r Bottle Full Bottle Shut-Off Tu b e Support Extensio n T ube Bottle T ray/P ositioner Retainer Distrib utor Composite 2.
P a r ts and Accessories Pag e 1 5 1 Depth Measurement Sensors Sensor Mounti ng Hardware Option Description P art Nu mber Ultrason ic Sensor 40 kHz F actory Installed Integ ral Ultrason ic Flow Meter .
Pag e 1 5 2 P arts and Accessories Ultrasonic Sen sor Mounting Hardware Submerged Depth Only Sensor Mounting Band f or 15–42 in. Pipes 15 9706100 1771 18 9706200 1771 21 9706300 1771 24 9706400 1771.
Pag e 1 5 3 Contact Information f or U. S.A. and Outside Eur ope Contact Inf ormation f or U .S.A. and Outside Europe Or dering Information f or the U .S.A. Informa tion Required Or dering Information f or Outside the U .S.A. and Eur ope Hach Company main tains a worldwide network of dealers and distrib utors.
Pag e 1 5 4 Contact Information f or Europe Contact Inf ormation f or Eur ope F or technical suppor t, repair service, and ordering inf ormation please refe r to the contact inf or mation belo w for your specific countr y . Belgium Lange Group Ragheno Business Center 2 Motstraat 54 B-2800 Mechelen T el.
Pag e 1 5 5 W arranty W arranty Hach Compan y warrants this pr oduct to the original pur chaser against an y defe cts that are due to faulty material or w orkmanship for a peri od of one year from date o f shipment.
Pag e 1 5 6 Inde x Numerics 4-20 mA Op tion ......... ................ ................ ............ 87 Calibration ............. ............. ................ ............ 88 Connection ..................... ................. ............... 87 Interface Co nnector .
Inde x Pag e 1 5 7 E Eight-, 12-, or 24-bottle Sampling ... ................ ...... 28 Electrostatic D ischarge ... ................ ................ ...... 99 Error Messages ..................... ................. ............. 127 Extended Power Mode .
Pag e 1 5 8 Inde x Receptacle C aps ................ ................ ............. ...... 18 Reliable Communications ............ ................ ......... 82 Reporting Devices ........... ................ ............. ......... 85 Reset (Totalizer) .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Hach 900 MAX è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Hach 900 MAX - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Hach 900 MAX imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Hach 900 MAX ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Hach 900 MAX, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Hach 900 MAX.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Hach 900 MAX. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Hach 900 MAX insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
