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PG-4/20 Digital Pressure Gauge |
- Accuracy (linearity, hysteresis,repeatability): ±0.25% F.S.(B.F.S.L.)
- 3.5 digit display
- 4-20 mA output
- High overpressure capability
- Ranges vacuum to 2000 psi
- Direct readings to 2000 psi (1,999)
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Transmitter Measures Full Scale Pressure Ranges of 0-2,000 psi, Gage or Absolute
PG-4/20 offers the convenience and easy installation of a digital gauge with the full capabilities of
a highly accurate 4-20 mA two wire transmitter. The 3.5 digit LCD display at the point of measurement, is calibrated in psi or other engineering units, with remote reading or control by
computer or microprocessor. The unit delivers a 4-20 mA output with accuracy of ±0.25% F.S.
(B.F.S.L.) and infinite resolution, high burst pressure.
PG-4/20 consists of piezoresistive semiconductor strain gauges used in a full bridge circuit. The output from the bridge circuit is conditioned by an exclusive hybrid circuit that generates a 4-20 mA, two-wire output, proportional to input pressure. Zero and span are adjustable with easy access for both 4-20 mA output and digital display.
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| Specification |
| Applications |
| The PG-4/20 is ideal for measurements which require a local display and a need to communicate with remote data acquisition equipment. The 2 wire 4-20 mA signal can be transmitted over great distances with negligible loss of accuracy. The 15-5 P.H. stainless steel wetted surfaces make it compatible with a wide variety of liquids and gases. |
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| PERFORMANCE |
| Standard Pressure Ranges: Vacuum to |
| 2,000 psi gage |
| Overpressure: 2x full scale |
| Burst Pressure: 10x full scale, or 20,000 psi, |
| (whichever is less) |
| Accuracy (linearity, hysteresis, and |
| repeatability): ±0.25% of full scale (B.F.S.L.) |
| Thermal Zero Shift: ±0.02% F.S./°F |
| Thermal Sensitivity Shift: ±0.02% F.S./°F |
| Life: 10 million cycles minimum |
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| ENVIRONMENTAL |
| Compensated Temperature: 30 to 130°F |
| Storage Temperature: -40 to 160°F |
| Operating Temperature: 0°F to 160°F |
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| ELECTRICAL |
| Input Voltage Across Transmitter: 14 to 40 VDC |
| Output: 4-20 mA |
| Load Resistance (total loop resistance): See chart |
| Supply Voltage: |
| Minimum: [14 + 0.02 x (loop resistance)] VDC |
| Maximum: [40 + 0.004 x (loop resistance)] VDC |
| Protection: Reversed Polarity |
| Display Type: 3.5 digit LCD, 0.5 in. digits |
| Resolution: |
| Transducer: Infinite; Display: 1 part in 2000 |
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| PHYSICAL |
| Construction Materials: |
| Case: Stainless Steel |
| Wetted Materials: 15-5SS |
| Cavity Volume: 0.07 3 in. |
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| Specification may change without notice |
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| Ordering Information |
| DGAU.S0058 |
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