The Martel Electronics 311A-1500G is a professional-grade pressure calibrator designed for demanding industrial applications. With a 1500 PSI gauge range and 0.025% full-scale accuracy, this calibrator delivers precise and reliable pressure measurements. Its rugged, compact construction and temperature compensation ensure consistent performance in field environments.
Key Features & Highlights
- One isolated stainless steel pressure sensor with 0.025% F.S. accuracy
- External pressure module connection supports all BetaPort-P modules (27 ranges) for extended capability
- Pt100 RTD input for temperature measurement accurate to 0.1°C (0.2°F)
- Measure 4-20 mA input and internal 24 V loop power supply for transmitter testing
- Large graphic LCD with backlight, configurable to display up to 3 inputs simultaneously
- Pressure displayed in 17 engineering units plus custom units
- Switch test on Pressure 1, Pressure 2, or external pressure module
- Operating mode layers support simple to complex applications
- Store up to five frequently used setups; last setup auto-recalled on power-up
- % error and damping functions
- Small, rugged design operates on four AA batteries
Applications
Ideal for gas flow calibration (custody transfer), pressure transmitter calibration, and general industrial pressure testing. Suitable for use in calibration labs, process plants, and field service.





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