Manuale d’uso / di manutenzione del prodotto 40 del fabbricante Teledyne
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INSTRUMENTS TELEDYNE HASTINGS INSTRUCTION MANUAL MODEL 40 MODEL 40 MODEL 40 MODEL 40 MODEL 40 POWER SUPPL POWER SUPPL POWER SUPPL POWER SUPPL POWER SUPPL Y Y Y Y Y.
Page 2 Manual Print History Manual Print History Manual Print History Manual Print History Manual Print History The print histor y shown belo w lists the printing dates of all revisions and addenda created for this manual. The revision level letter increases alphabetically as the manual undergoes subsequent updates .
Page 3 T able of Contents 1.0 GENERAL INFORMA TION .................................................... 5 1.1 F e atures ................................................................................................................. .5 1.2 Specifica tions .
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Page 5 General Information SECTION 1 The Hastings Model 40 P o w er Supply is a combina tion po w er supply and digital readout monitor, for up to four Hastings Flow Instruments having the model number prefixes of HFM, ST , or FST and up to 2 of the HFM-D series.
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Page 7 Installation and Operation SECTION 2 This section is designed to assist you in getting a new po wer supply into opera tion as quickly and easily as possible. Please read the following v ery thoroughly before attempting to install the instru- ment.
Page 8 2.3 Output V oltage: The output of the flow instrument is a 0-5.00 VDC signal propor tional to the flow ra te. The output is sent to the display and is av ailable at terminals at the rear of the Model 40 P ower Supply . It is recommended that the load resistance be no less than 2K Ohms.
Page 9 2.5 Operation: 2.5.1 Displa 2.5.1 Displa 2.5.1 Displa 2.5.1 Displa 2.5.1 Displa y y y y y If the pow er supply was purchased with the flow instruments, the pow er supply will be already set up so that the display reads directly in the units of flo w to be monitored.
Page 10 2.5.5 Fuse 2.5.5 Fuse 2.5.5 Fuse 2.5.5 Fuse 2.5.5 Fuse The fuseholder is mounted on the low er right-hand corner of the back panel. T o remove the fuse, insert a screwdriver into the slot and turn counterclockwise 1/4 turn. Replace the fuse with a 250 volt 1/4 amp Slo-Blo<190> fuse, 1/4" x 1-1/4".
Page 11 Calibration and Adjustments SECTION 3 This section contains instr uctions to change the configuration of the pow er supply from the w ay it was set up at the factory . 3.1 Range Change: Since the display uses a 3-1/2 digit LCD , the highest number that can be displayed is 1999.
Page 12 or supply a 5-volt dumm y signal to the FLO W -OUT terminals on the back panel. T urn the DIS- PLA Y -ADJUST potentiometer for the channel to be set until the display reads the desired full scale reading. The DISPLA Y -ADJUST potentiometer s are located on the PC board near the front/center as shown in Fig3.
Page 13 calculated b y comparing ratios of their respective hea t capacities. These ratios hav e been calcula ted and are tabulated on a chart on page 16 of this manual as THR conv ersion factors. These factors are used as written only when an instr ument calibrated for AIR AIR AIR AIR AIR is being used to measure the flow of a different gas.
Page 14 3.2.2 Calcula 3.2.2 Calcula 3.2.2 Calcula 3.2.2 Calcula 3.2.2 Calcula tion of Cor tion of Cor tion of Cor tion of Cor tion of Cor rection F rection F rection F rection F rection F actor actor .
Page 15 T roubleshooting SECTION 4 This section contains a troubleshooting guide to help locate and repair failed components . This troubleshooting guide is designed as a general reference only , and will not co v er ev ery possible component failure.
Page 16 Check these voltages prior to using the troubleshooting char t. TP-6 is one lead of R27 and should be 2.00 VDC. The flow signals sent b y flowmeters on channels 1 - 4 can be accessed by test points on one lead of C7 thru 10 respectiv ely in the left rear of the main PC board.
Page 17 W arranty SECTION 5 5.1 W ar ranty Repair P olicy Hastings Instruments war rants this product for a period of one year from the date of shipment to be free from defects in material and workmanship . This warranty does not apply to defects or failures resulting from unauthorized modification, misuse or mishandling of the product.
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 Teledyne 40 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 Teledyne 40 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Teledyne 40 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Teledyne 40 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Teledyne 40, 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 Teledyne 40.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Teledyne 40. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Teledyne 40 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.
