Martel Electronics 311A-50CV Pressure Calibrator
The Martel Electronics 311A-50CV is a professional-grade pressure calibrator designed for demanding industrial environments. With a 50 PSI compound range and 0.025% F.S. accuracy, this calibrator delivers precise measurements for pressure, temperature, and current signals. Its rugged construction, enhanced stability, and user-friendly interface make it an essential tool for calibration technicians and engineers.
Key Features & Highlights
- One isolated stainless steel pressure sensor with 0.025% F.S. accuracy
- 50 PSI compound range (vacuum to positive pressure)
- 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 input 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 five frequently used setups; last setup auto-recalled on power-up
- % Error and damping functions
- Rugged, compact design powered by four AA batteries
- Includes soft case, AA batteries, manual, NIST-traceable certificate, and test leads
Applications
The 311A-50CV is ideal for calibrating pressure transmitters, transducers, and gauges in process industries, as well as for gas flow calibration (custody transfer) applications. Its ability to measure temperature and current simultaneously makes it versatile for loop calibration and troubleshooting.
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