The Martel Electronics 321A-300CV-1500G is a precision pressure calibrator designed for demanding field and laboratory applications. With dual isolated stainless steel pressure sensors providing 0.025% F.S. accuracy and a range of 300 PSI CV / 1500 PSI gauge, this instrument delivers reliable performance for gas custody transfer and other critical calibration tasks. The improved ‘A’ version features a rugged, Power-Tool-Tough case, custom engineering units, user-adjustable resolution, and enhanced stability, ensuring accurate measurements in the harshest environments.
Key Features & Highlights
- Dual isolated, stainless steel pressure sensors with 0.025% F.S. accuracy
- Pressure ranges: 300 PSI CV and 1500 PSI gauge
- Temperature-compensated for accurate field measurements
- External pressure module connection supports all BetaPort-P modules (27 ranges)
- Pt100 RTD input for temperature measurement (0.1°C / 0.2°F accuracy)
- Measure 4-20 mA signals with internal 24 V loop power supply
- Measure up to 30 V DC
- 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 module
- Operating mode layers for simple to complex applications
- Store up to 5 setups; last setup auto-recalled on power-up
- % error and damping functions
- Compact, rugged design operates on 4 AA batteries
Applications
Ideal for gas flow calibration (custody transfer), the Martel 321A-300CV-1500G is also suited for industrial process calibration, laboratory testing, and field verification of pressure instruments. Its versatility and accuracy make it a valuable tool for technicians and engineers in the oil & gas, chemical, pharmaceutical, and utilities industries.
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