| Martel BetaGauge 321A-EX Specifications |
| Available Pressure |
| Isolated Gauge (PSIG) |
0 to 1000 (0 to 70 Bar), 0 to 1500 (0 to 100 Bar), |
| 0 to 3000 (0 to 200 Bar), 0 to 5000 (0 to 340 Bar), |
| 0 to 10000 (0 to 700 Bar) |
| Non Isolated Compound (PSIG) |
-0.4 to 0.4 (-20 to 20 mBar), -1 to 1 (-70 to 70 mBar), |
| -5 to 5 (-350 to 350 mBar), -7.2 to 7.2 (-500 to 500 mBar), |
| -15 to 15 (-1 to 1 Bar), -15 to 30 (-1 to 2 Bar) |
| Isolated Compound (PSIG) |
-12 to 100 (-0.8 to 7 Bar), |
| -12 to 300 (-0.8 to 20 Bar), |
| -12 to 500 (-0.8 to 35 Bar) |
| Isolated Absolute (PSIA) |
0 to 15 (0 to 1 Bar), 0 to 30 (0 to 2 Bar), 0 to 100 (0 to 7 Bar), |
| 0 to 300 (0 to 20 Bar) |
| Non Isolated Differential (PSID) |
-0.4 to 0.4 (-20 to 20 mBar), -1 to 1 (-70 to 70 mBar), |
| -5 to 5 (-350 to 350 mBar), -12 to 30 (-0.8 to 2 Bar), |
| -12 to 50 (-0.8 to 3.5 Bar), -12 to 100 (-0.8 to 7 Bar) |
| mA |
0 to 24.000 mA |
| RTD |
-40°C to 105°C (-40°F to 220°F) |
| Engineering Units |
psi, bar, mbar, kPa, kgcm2, cmH2O@4°C, cmH2O@20°C, |
| mmH2O@4°C, mmH2O@20°C, inH2O@4°C, inH2O@20°C, |
| inH2O@60°F, mmHg@0°C, inHg@0°C, ftH2O@4°C, |
| ftH2O@20°C, ftH2O@60°F |
| Plus up to 2 user specified custom units |
| Pressure |
0.4 psi |
±0.1 % FS |
| 1.0 psi |
±0.05 % FS |
| 15 to 3000 psi |
±0.025 % FS |
| 5, 7.2, 5000, 10000 psi |
±0.035 % FS |
| mA |
±0.015% of rdg ±0.002mA |
| RTD input range (Pt100-385) |
±.01°C |
| 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 |
| Instrument Setup Recall 5; last used on power-up |
| Environmental |
Operating Temperature |
-10 °C to +50 °C |
| Storage Temperature |
-20 °C to +60 °C |
| Power Requirements (6.0 VDC) |
Battery |
Four (4) standard AA cells |
| Battery Life |
>35 hours, typical usage |
| Physical |
Dimensions |
8.3” H x 3.9”W x 1.8”D |
| (21.082 x 9.906 x 4.572 cm) |
| Weight |
1 lbs, 4 oz. (0.567 kg) |
| Connectors/Ports Pressure |
Two, 1/8” NPT |
| RTD |