Martel Electronics 311A-1D

With this product, you’ll have everything you need for calibrating pressureanywhere. This unit is supplied with soft case, AA batteries, manual, NIST-traceable certificate, and test leads. The improved ‘A’ version provides enhanced features over the predecessor, including a Power-Tool-Tough case, custom engineering units, user-adjustable resolution, and enhanced stability.

• 1 PSI Differential
• One isolated, stainless steel, pressure sensor 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