Martel Electronics 321A-0.4CV-1CV Precision Pressure Calibrator

Overview Martel Electronics 321A-0.4CV-1CV Precision Pressure Calibrator

Martel Electronics 321A-0.4CV-1CV Precision Pressure Calibrator is a pressure calibrator configured for 10 INH2O CV – 1 PSI Compound.

It supports pressure calibration workflows with dual-sensor measurement and additional electrical or temperature functions described in the original product content.

Features and Performance

- 10 INH2O CV – 1 PSI Compound
- Two isolated, stainless steel, pressure sensors with 0.025% F.S. accuracy
- Temperature-compensation ensures accuracy in the field applications
- External pressure module connection supports all BetaPort-P pressure modules (27 ranges) for even more measurement capability
- Pt100 RTD input for temperature measurement, accurate to 0.1°C (0.2°F)
- Measure 4-20 mA input
- Internal 24 V Loop Power Supply can power a transmitter under test
- Measure up to 30 V DC
- Large graphic style LCD with backlight can be configured to display up to 3 inputs simultaneously (i.e. pressure 1, pressure 2, and RTD or any combination of inputs)
- Ideal for gas flow calibration (custody transfer) applications
- Pressure displayed in the user’s choice of 17 engineering units plus custom
- Switch test on Pressure 1, Pressure 2, or external pressure module
- Operating mode layers support simple measurements to complex applications
- Up to five frequently used setups can be stored; last setup automatically recalled on power-up
- % Error and damping functions
- Small, rugged compact design operates on four (4) standard AA batteries

Why Choose This Product

This model is suitable for field calibration tasks that benefit from pressure measurement, transmitter support, and multi-input display in a single instrument.

Product Specifications

Pressure range 10 INH2O CV – 1 PSI Compound

Accuracy Two isolated, stainless steel, pressure sensors with 0.025% F.S. accuracy

External module support External pressure module connection supports all BetaPort-P pressure modules (27 ranges) for even more measurement capability