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Sensocon - Model A1 -Digital Differential Pressure Gauge
The Series A1 Digital Differential Pressure Gauge is a patented microprocessor based digital pressure gage for positive, negative, and differential measurement designed to be a direct replacement for mechanical gauges. The Series A1 digital differential pressure gauges utilize an extremely stable piezoresistive sensing technology to give a standard full scale accuracy of 1%. For applications requiring better accuracy, the A1 is also available with 0.5% or 0.25% accuracy. The A1 pressure gauge also has an optional 4-20 mA output for applications requiring an output signal. The A1 features a bright ½" LED display, which gives the gauge improved readability and precision. The A1 digital differential pressure gauges also feature 5 user selectable engineering units including in. w.c., mm w.c., cm w.c., kPa, and Pa. The Series A1 offers an improved look, and performance compared to mechanical gauges.

- Maximum Pressure:
- Ranges -00 to -07 = 2 PSI (13.8kPa)
- Ranges -08 to -12 = 10 PSI (68.9pKa)
- Media compatibility:
- Air and compatible non-combustible, non-corrosive gases
- Accuracy*:
- 1.0%, 0.5%, or 0.25%
- Temperature Ranges:
- Compensated and Operating: -10° to 140°F (-23° to 60°C)
- Thermal Effect*:
- +/- 0.02% FS/°F
- Output Signal:
- 4-20 mA (option)
- Loop Resistance:
- 750 Ω Max (for internally sourced power);
- 1800 Ω Max (for externally sourced power of 36 VDC)
- Power Supply:
- Universal 24-240 VAC or VDC
- Housing Material:
- Glass Filled Nylon
- Enclosure Rating:
- Designed to meet NEMA 4X (IP 65) face; with optional
cover the entire product is weatherproof - Electrical Connections:
- screw terminals
- Response Time:
- <100 ms
- Display:
- 4 Digit, red LED, ½" (12.7mm) digits
- Process Connection:
- Push on connection for 3/16" (5mm) tubing
- Agency Approvals:
- CE
* Custom calibration including improved accuracy and thermal effect are available.
