Martel-electronics BetaGauge 321A User Manual

BETAGAUGE 311A/321AReference Manual

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92.2 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

102.4 Other Menu Controlled FunctionsThere are eight ‘sub-main’ menus that can be accessed through the MORE option of theMain Menu. A ‘sub-main’ menu

11If SAVE or RECALL is selected use the arrow keys to select the set-up location. Then usethe save option to store the current set-up into the select

12checked against the configurations of the other currently active displays, if theconfigurations are in conflict the recalled display’s configuration

132.4.8 Setting the RTD probe typeUse the PROBE TYPE option of the RTD Probe Type main menu to access the RTDProbe selection menu. There are four pro

14Figure 5Use the (ZERO) key to zero the pressure sensor when vented to atmospheric pressure. Important NOTE: To protect sensor integrity and prevent

15Figure 64. Measuring CurrentTo measure current use the input terminals in the front of the calibrator. Select the mAfunction on one of the displays

5. Measuring VoltageTo measure voltage use the input terminals in the front of the calibrator. Select the Voltsfunction on one of the displays. The

177. Performing a Pressure Switch TestFigure 10To perform a switch test, follow these steps:1. Change the setup to Setup 4 (default switch test).Setu

BETAGauge 311A/321AReference Manual1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11.1 Conta

5. Apply pressure with the pump slowly until the switch opens. Important NOTE: In the switch test mode the display update rate is increased to helpca

9. Press the “NEW TEST” option to clear the data and perform another test.10. Press the “DONE” option to end the test and return to the standard press

208.2 Calibrating a Pressure-to-Current TransmitterTo calibrate a pressure-to-current transmitter (P/I), perform the following steps:1. Connect the ca

218.3 Percent Error FunctionThe calibrator features a unique function which can calculate pressure vs. milliamp erroras a percentage of the 4 to 20 mA

224. LOOP POWER can be toggled on/off, select NEXT when done.5. Use SELECT to toggle through the UNIT options, and select NEXT to move on.6. Use the

237. Again, use the arrows to set 0% point and select DONE SET when finished and the%ERROR mode will be ready to use.Note: The 0% and 100% point will

10. 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

25Setup 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 s

2612. Remote Operation12.1 Remote InterfaceThe calibrator can be remotely controlled using a PC terminal, or by a computer programrunning the calibra

module port on the right side of the calibrator and the DB-9 connector to the RS-232 porton the computer. The calibrator should be turned off prior to

1. IntroductionThe Beta 311A/321A is designed to be a simple to use yet very versatile pressurecalibrator. Its two internal pressure sensors combined

Common CommandsStandard commands used by most devices. These commands always begin with an “*”.For example*IDN?tells the calibrator to return its iden

29Indefinite ASCII (IAD)Any ASCII characters followed by a terminator. For example:*IDN? returns BETA, 311A/321A, 250, 1.0012.4.4 Calibrator StatusErr

ERROR_LOOP Turns loop power on or off in percent error mode ERROR_LOOP? Returns the current state of loop power in error mode ERROR_MODE Turns p

OHM Resistance in Ohms PSI Pressure in pounds per square-inch INH2O4C Pressure in inches of water at 4°C INH2O20C Pressure in inches of water a

106 An invalid command parameter was received 107 Pressure not selected 108 Invalid sensor type 109 Pressure module not connected 110 An un

CPRT_COEFBThis command is used for entering a custom RTD into the calibrator. The numericvalue entered after the command will be set as the second coe

DAMP?Returns the current state of the dampening function.For example:If you send DAMP? It will return ON if the dampening function is on.DISPLAYTurns

ERROR _ MODE?Returns the current state of percent error mode.For example:If you send ERROR_MODE? It will return ON if the calibrator is in percent err

LOCKOUTSending this command sets the lockout state, when the unit is in REMOTE or goes toremote it prohibits use of the keypad completely. The lockou

37RTD_TYPESets the RTD type. The following is a list of RTD types the way they should beentered after the command:PT385_100; PT392_100; PTJIS_100; CUS

Symbol DescriptionElectric ShockFusePE GroundHot Surface (Burn Hazard)Read the User’s Manual (Important Information)OffOnCanadian Standards Associatio

VAL?Returns the value of any measurement taking place on the upper and lower display.For example, if the upper display is measuring 5mA, and the lower

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

AccuracyPressure0.3 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 rdg

14. WarrantyMartel Electronics Corporation warrants all products against material defects andworkmanship for a period of twelve (12) months after the

42BetaGauge 311A/321A Ranges and ResolutionsRange (PSI) 0.3 1 5 15 30 50 100 300 500 1000 1500 3000 5000 10000Burst Pressure (PSI) 10 10 100 500 500 1

9/11 Rev C 0200049www.martelcorp.come-mail: [email protected]: (603) 434-1433 800-821-0023 Fax: (603) 434-1653 Martel Electronics3 Cor

3• Connect the common test lead before you connect the live test lead. When youdisconnect test leads, disconnect the live test lead first.• Do not use

Table 1 Process Measurement InputsNo. Name Description 1, 2 Input Terminals These terminal are used to measure current, voltage and acontact closu

2.1 Calibrator DisplayThe Calibrator Display consists of two regions: The menu bar (located along the bottomof the screen) is used to access a menu sy

6With a single display the following modes are available:P[1] = Pressure on left side sensor.P[2] = Pressure on right side sensor.[EXT] = Pressure wit

7Figure 4 Menu Map