Martel-electronics BetaGauge 321A-Ex User Manual

BETAGAUGE311A-Ex/321A-ExReference Manual

8Figure 4 Menu Map

9

102.2 Using the BacklightThe backlight is controlled by the dedicated backlight key. It toggles on and off when thekey is pressed; this is one of the

11function. The second and third options of a ‘sub-main’ menu are always the same. TheNEXT option leads to the next ‘sub-main’ menu and the DONE opt

12recall the set-up stored in the selected location. The display menu will automatically gohome. 2.4.4 Setting AutoShut-off ParametersThe calibrato

132.4.6 Low resolution function.Due to the high accuracy of the 311A-Ex/321A-Ex the measured values are displayed withmany digits, this might be an di

143. Measuring PressureTo measure pressure, connect the calibrator using an appropriate fitting. Choose apressure setting for the display being used.

153.1 Media CompatibilityThe calibrator utilizes a media isolated sensor to prevent sensor contamination.Whenever possible clean, dry air is the media

Figure 76. Performing a Pressure Switch TestWarningCheck entity parameters before making any connections to this device.Figure 816

17To perform a switch test, follow these steps:1. Change the setup to Setup 4 (default switch test).Setup 4: The upper display is set to [P1] ST, al

BETAGauge 311A-Ex/321A-ExReference Manual1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11.1

8. Press the “NEXT” option to view when the switch closed, and the dead band. 9. Press the “NEW TEST” option to clear the data and perform another t

7.1 Using the mA Input FunctionThe mA input function allows the user to read back the 4-20 mA output from the devicebeing calibrated. This can be don

207.3 Percent Error FunctionWarningCheck entity parameters before making any connections to this device.The calibrator features a unique function whic

214. Use SELECT to toggle through the UNIT options, and select NEXT to move on.5. Use the ↑ and ↓ arrows to set the 100% point of the desired pressur

22Note: The 0% and 100% point will be saved in non-volatile memory until they arechanged again by the user for the internal sensors, and external pres

239. Factory SetupsThe Calibrator is loaded with five factory setups. These setups are shown below.Setup 1: The upper display is set to [P1] mode and

Setup 4: The lower display is set to [P1] switch test, the other displays are off.Setup 5: The upper display is set to [P1], the middle display is set

2511. Specifications (18 °C to 28 °C unless otherwise noted.)GeneralInstrument Setup Recall 5; last used on power-upEnvironmentalOperating Temperatur

26AccuracyPressure0.3 psi ±0.1% F.S.1.0 psi ±0.05% F.S.15 psi through 3000 psi ±0.025% F.S.5 psi, 5000 psi, 10,000 psi ±0.035% F.S.mA ±0.015% of rd

13. Maintenance13.1 Replacing BatteriesReplace batteries as soon as the battery indicator turns on to avoid false measurements.If the batteries discha

1. IntroductionThe BETA 311A-Ex/321A-Ex is designed to be a simple to use yet very versatile pressurecalibrator. Its two internal pressure sensors com

13.2 Cleaning the UnitWarningTo avoid personal injury or damage to the calibrator, do not allow water into the case.CautionTo avoid damaging the plast

29BETAGauge 311A-Ex/321A-Ex Ranges and ResolutionsRange (psi) 0.4 (10"H2O) 1 5 7 (200"H2O) 15 15 30 30 100 300 500 1000 1500 3000 5000 10000

www.martelcorp.come-mail: [email protected]: (603) 434-1433 800-821-0023 Fax: (603) 434-1653 Martel Electronics3 Corporate Park Dr.Derry

Symbols UsedThe following table lists the International Electrical Symbols. Some or all of these symbolsmay be used on the instrument or in this manua

3WarningTo avoid possible electric shock or personal injury:• Do not apply more than the rated voltage. See specifications for supported ranges. • Fol

2. Calibrator Interface Figure 1 shows the location of the process measurement inputs, while table 1 describestheir use.Figure 1 Pressure Measurement

Figure 2 shows the location of the keys. Table 2 describes the function of each key.Figure 2 KeypadTable 2 Key FunctionsNo. Name Description 1 Func

6Figure 3 DisplayTable 3 Display FunctionsNo. Name Description 1 Primary Parameters Indicates what is being measured. 2 Span Indicator Indicate

CURRENT DISPLAY P[1] P[2] P[1] P[2] mA RTD ST STP[1] P[2] P[1]ST X X X P[2]ST X X X mA X XRTD OT