BETA
GAUGE
311A-Ex/321A-Ex
Reference Manual
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.com
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Страница 1: ...BETAGAUGE 311A Ex 321A Ex Reference Manual www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...
Страница 2: ...easuring Temperature with an RTD 16 6 Performing a Pressure Switch Test 17 7 Calibrating Transmitters 19 7 1 Using the mA Input Function 19 7 2 Calibrating a Pressure to Current Transmitter 19 7 3 Per...
Страница 3: ...se calibration certificate with data 1 3 Safety information Ex Hazardous Areas An Ex hazardous area as used in this manual refers to an area made hazardous by the potential presence of flammable or ex...
Страница 4: ...und Hot Surface Burn Hazard Read the User s Manual Important Information Off On The following definitions apply to the terms Warning and Caution Warning identifies conditions and actions that may pose...
Страница 5: ...our fingers behind the finger guards on the probes Connect the common test lead before you connect the live test lead When you disconnect test leads disconnect the live test lead first Do not use the...
Страница 6: ...1 2 Input Terminals These terminal are used to measure current and a contact closure for switch test 3 P1 Pressure Port This is the connection for the internal sensor P1 4 P2 Pressure Port This is th...
Страница 7: ...nd the ranges of the 2 internal pressure sensors The calibrator requires a maximum of 5 minutes warm up to rated accuracy Large changes in ambient temperature may require a longer warm up period See s...
Страница 8: ...o set the parameters of the current display use the CONFIG option to get to the Display Configuration Menu Here the SELECT option will toggle through the choices for each parameter The first parameter...
Страница 9: ...functions are available concurrently An X in a column indicates that the mode in the current display will not be available for selection if the mode in that row is in use in any other active display...
Страница 10: ...8 Figure 4 Menu Map www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...
Страница 11: ...9 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...
Страница 12: ...mits are within 5 of the full scale range of the selected sensor If the display indicates OL the zero function will not operate 2 3 2 Absolute Internal Sensor When an absolute module is selected on th...
Страница 13: ...G option of the Configuration Lock Menu to lock or unlock the display configuration When the LOCK CFG option is chosen the menu display returns home and the CONFIG option on the Main Menu indicates th...
Страница 14: ...activating a Display Use the DISPLAY option on the Display Selection Main Menu to access the Display Activation Menu The function option can be used to select which display to act upon The ON OFF opti...
Страница 15: ...to turn the low resolution function on or off 3 Pressing DONE returns to main menu 2 4 8 Setting the RTD probe type Use the PROBE TYPE option of the RTD Probe Type main menu to access the RTD Probe s...
Страница 16: ...an inappropriate pressure is applied If OL is observed on any pressure display the pressure should be reduced or vented immediately to prevent damage or possible personnel injury OL is displayed when...
Страница 17: ...s 75 then the mA value is 16 mA Figure 6 5 Measuring Temperature with an RTD To measure temperature using an RTD probe you must select the RTD function on one of the displays Make sure the proper prob...
Страница 18: ...6 Performing a Pressure Switch Test Warning Check entity parameters before making any connections to this device Figure 8 16 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSu...
Страница 19: ...ibrator if necessary Close the vent after zeroing the calibrator 4 The top of the display will read CLOSE 5 Apply pressure with the pump slowly until the switch opens Important NOTE In the switch test...
Страница 20: ...sure setting Example P1 ST will return to P1 Important NOTE The previous example uses a normally closed switch The basic procedure is still the same for a normally open switch the display will just re...
Страница 21: ...urrent Transmitter To calibrate a pressure to current transmitter P I perform the following steps 1 Connect the calibrator and the pump to the transmitter 2 Apply pressure with the pump 3 Measure the...
Страница 22: ...30 psi pressure span into the calibrator and the calibrator will calculate and display the deviation or Error from the expected 4 to 20 mA output This eliminates the need for manual calculations and a...
Страница 23: ...and arrows to set the 100 point of the desired pressure range select DONE SET when finished 6 Again use the arrows to set 0 point and select DONE SET when finished and the ERROR mode will be ready to...
Страница 24: ...minimum and maximum values of any displayed parameter The min max function can be accessed by stepping through the menu options until min max is shown on the display above the F1 key At this time pres...
Страница 25: ...splay is set to P1 mode and the middle is set to mA lower is off Setup 2 The upper display is set to P2 mode and the middle is set to mA lower is off Setup 3 The upper display is set to P1 mode and th...
Страница 26: ...edure but most call for calibration of three parameters static pressure differential pressure and temperature To facilitate these measurements recall setup 5 on the 311A Ex 321A Ex Note The pressures...
Страница 27: ...0 mH Uo 7 14 V Io 1 12 mA Po 2 mW Co 240 F Lo 1 H LEMO CONNECTOR FOR USE WITH LTP100A RTD PROBE ONLY EMI RFI Conformance EN6136 Annex A Connectors Ports Pressure two 1 8 NPT BetaPort P pressure module...
Страница 28: ...002mA RTD ohms 0 015 of rdg 0 02 ohms or 0 1 C 0 C for Pt100 Temperature Effect No effect on accuracy on all functions from 15 C to 35 C Add 0 002 F S C for temps outside of 15 C to 35 C Optional LPT...
Страница 29: ...omatically shut down to avoid battery leakage Note Use only AA size alkaline batteries Warning Only change batteries in an area known to be non hazardous Approved Batteries Battery Manufacturer All Ba...
Страница 30: ...eansers Clean the calibrator with a soft cloth dampened with water or water and mild soap 13 3 Service Center Calibration or Repair Only qualified service personnel should perform calibration repairs...
Страница 31: ...0697 0 0281 0 0703 0 3515 0 4921 1 0546 1 0546 2 1092 2 1092 7 0307 21 092 35 153 70 307 105 46 210 92 351 53 703 07 cmH2O 4 C 70 3089 28 124 70 309 351 54 492 16 1054 6 1054 6 2109 3 2109 3 7030 9 21...
