Setra-system Model 370 Manual de usuario

Operator's ManualModel 370Digital Pressure Gauge

2.2 DISPLAY SYMBOLSOKThe readings are within the user defined stability requirement.hPaThe reading shown is given in hectopascals.PSIThe reading show

2.3 DISPLAY MESSAGESUnAbLEThe gauge is unable to execute the requested function in itscurrent configuration. Clear the display and continue.OFLOThe

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Section ThreeDIGITAL PRESSURE GAUGE FUNCTIONS3.1 ENTERING A NUMBER OR FUNCTIONTo enter a number or function, simply press the key or keys whichcorres

3.4 CONVERTING ENGINEERING UNITSThe Model 370 will measure pressure in any engineering units, including sixbuilt-in pressure conversions, two built-i

3.6 SETTING AND USING ALARM SETPOINTSThe Model 370 has an alarm capability which will indicate when the pressureapplied has exceeded a high or a low

3.7 USING THE TARE AND ZERO FUNCTIONThe TARE function on the Model 370 gives you a way of setting thedisplayed reading to zero or of subtracting a sp

3.8 PRINTING INFORMATIONYour Setra Digital Pressure Gauge is designed to print information whenconnected to a printer, using the following procedure:

3.9 REPETITIVE PRINTINGIt is sometimes desirable to record pressure measurements at fixedintervals of time. To print at fixed intervals, follow this

3.10 PRINTING SYSTEM STATUSTo get a summary of the condition of all active functions, press SETUP, thenpress PRINT. A sequence of information will b

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Section FourADVANCED PRESSURE GAUGE FUNCTIONS4.1 USER DEFINED ENGINEERING UNITSThe Setra Digital Pressure Gauge has several built-in engineering units

2. the conversion ratio;3. the command U, for CONVERT UNITS;4. any combination of 5 alphanumeric characters, including spaces, toidentify the engineer

4.2 DIGITAL ALTIMETER SETTING INDICATORThe Model 370 may be used to display corrected sea-level pressure by"reducing" true barometric pressu

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Section FiveDISPLAYING ALTITUDEThe Model 370 Digital Pressure Gauge can be used to display a variety ofaltitude measurements. It may be used as an al

5.2 DISPLAYING TRUE ALTITUDEThe Model 370 can function as an altimeter displaying true altitude bycorrecting the above Standard Atmosphere conversion

If you are not at a known elevation, the gauge may be used in truealtimeter mode by obtaining an Altimeter Setting Indication (sea levelcorrected pres

5.3 MEASURING RELATIVE ALTITUDETo measure relative altitude in either Standard or True Altimeter Mode, areference altitude may be established by setti

Appendix ISETUP FUNCTIONSI.1 FORMATTING BAUD RATEThe Setra Digital Pressure Gauge is capable of interfacing with a wide variety ofcomputers or other d

INTRODUCTIONAbout this Manual... iiiSECTION ONEInstalling the Mode

I.2 DISABLING THE BEEPERThe gauge emits a tone to verify the entry of a number or function. To disablethe tone for silent operation, use the followin

I.4 OMITTING ENGINEERING UNITSSome applications may require frequent switching from one engineeringunit to another. The Model 370 can be setup to omi

I.6 SELF DIAGNOSTICSThe Model 370 has a built-in self diagnostic procedure. This procedureprompts an operator to verify that the gauge is fully opera

Appendix IICALIBRATIONThe zero and span of the Model 370 Digital Pressure Gauge may be calibratedusing the following procedures. A high accuracy prim

lI.2 SPAN CALIBRATIONTo perform the span calibration on the Model 370, it is necessary to apply both thezero and the full scale pressures, as in the f

Appendix IIIRS-232 SERIAL DATA COMMUNICATIONSThe Setra Model 370 Digital Pressure Gauge is equipped with a bidirectional RS-232interface which allows

III.2 SENDING COMMANDS TO THE GAUGEAll the functions of the Model 370 may be executed by sending the appropriatecommand from the computer to the gaug

III.3RECEIVING DATA FROM THE GAUGEThere are several types of messages which the gauge may send in responseto the various commands.The immediate respon

III.4 IMMEDIATE AND REPETITIVE PRINT MODESTwo print modes are available on the Model 370, as discussed in Sections3.8 and 3.9.The immediate print int

III.7 RS-232 INTERFACE HARDWAREThe RS-232 Communication Standard describes in detail the requirementsand conventions of RS-232. For most applications

Appendix I: SETUP FUNCTIONSI.1 Formatting Baud Rate ...23I.2 Disabling Beeper ..

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IV.1 BATTERY / RECHARGER OPTIONThe Model 370 Digital Pressure Gauge can be operated as a portableinstrument with the battery/recharger option. The b

IV.2 IN CASE OF DIFFICULTYIf a problem persists which cannot be solved by reading the appropriatesections of this manual, contact a SETRA Application

37Pressure RangesType ofPressure Pressure Range Display Altitude Range1Barometric 600 to 1100 mbar 600.00 to 1100.00 -1000 to 13,800 ft.800 to 1100 mb

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Appendix VWARRANTY INFORMATIONV.1 LIMITED WARRANTY - PRESSURE PRODUCTSSETRA warrants its products to the original consumer purchaser againstdefects

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159 Swanson Road, Boxborough, MA 01719Telephone (800) 257-3872 or (978) 263-1400Telefax (978) 264-0292Web: www.setra.comAll Rights ReservedSS0470 REV

IntroductionCongratulations, and thank you for purchasing a SETRA Model 370 high accu-racy Digital PressureGauge. Its ease of operation and durable c

ivOUTLINE DRAWINGRear ViewooAC PowerPressure PortRS-232 I/OOn/Off(Battery Only)Side View8.552175.51406.01527.21837.51918.55217

Section OneINSTALLING THE MODEL 370The Setra Digital PressureGauge, Model 370, is a highly accurate pressure meas-urement system utilizing the patente

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Section TwoSUMMARY OF FUNCTIONS2.1 KEYBOARD FUNCTIONSSend information to a printer or other peripheral.Convert engineering units being displayed.Disp