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BET

AGauge 311A-Ex/321A-Ex Ranges and Resolutions

ange (psi)

0.4 (10"H2O)

7 (200"H2O)

100

300

500

1000

1500

3000

5000

10000

Burst P

ressure (psi)

300

1000

2000

10000

15000

roof P

ressure (psi)

200

600

1000

3000

6000

10000

15000

Static P

ressure (psi)

100

Sensor T

ype

non-isolated

isolated

non-isolated

isolated

non-isolated

isolated

isol

ated

isolated

ange T

ype

differential

gauge

compound

gauge

compound

gauge

gaug

gauge

compound

absolute

psi

0.4000

1.0000

5.0000

7.0000

15.000

30.000

100.00

300.00

500.00

1000.0

1500.0

3000.0

5000.0

10000

bar

0.06894757

0.0276

0.0689

0.3447

0.4826

1.0342

2.0684

6.8948

20.684

34.474

68.948

103.42

206.84

344.74

689.48

mbar

68.94757

27.579

68.948

344.74

482.63

1034.2

2068.4

6894.8

20684

34474

68948

6.894757

2.7579

6.8948

34.474

48.263

103.42

206.84

689.48

2068.4

3447.4

6894.8

10342

20684

34474

68948

0.006894757

0.0028

0.0069

0.0345

0.0483

0.1034

0.2068

0.6895

2.0684

3.4474

6.8948

10.342

20.684

34.474

68.948

kg/cm2

0.07030697

0.0281

0.0703

0.3515

0.4921

1.0546

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

2109.3

7030.9

21093

35154

70309

cmH2O@20°C

70.4336

28.173

70.434

352.17

493.04

1056.5

2113.0

7043.4

21130

35217

70434

mmH2O@4°C

703.089

281.24

703.09

3515.4

4921.6

10546

21093

70309

mmH2O@20°C

704.336

281.73

704.34

3521.7

4930.4

10565

21130

70434

inH2O@4°C

27.68067

11.072

27.681

138.40

193.76

415.21

830.42

2768.1

8304.2

13840

27681

41521

83042

inH2O@20°C

27.72977

11.092

27.730

138.65

194.11

415.95

831.89

2773.0

8318.9

13865

27730

41595

83189

inH2O@60°F

27.70759

11.083

27.708

138.54

193.95

415.61

831.23

2770.8

8312.3

13854

27708

41561

83123

mmHg@0°C

51.71507

20.686

51.715

258.58

362.01

775.73

1551.5

5171.5

15515

25858

51715

77573

inHg@0°C

2.03603

0.8144

2.0360

10.180

14.252

30.540

61.081

203.60

610.81

1018.0

2036.0

3054.0

6108.1

10180

20360

ftH2O@60°F

2.308965833

0.9236

2.3090

11.545

16.163

34.634

69.269

230.90

692.69

1154.5

2309.0

3463.4

6926.9

11545

23090

roof P

ressure - maximum allowable pressure without a shif

t in calibration

Burst P

ressure - sensor damaged or destroyed; some risk of personal injur

Static P

ressure - Differential units only

. Maximum allowed common mode pressure between both por

ts.

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.com

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Summary of Contents for 311A-Ex

Page 1: ...BETAGAUGE 311A Ex 321A Ex Reference Manual www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 10: ...8 Figure 4 Menu Map www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 11: ...9 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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