Feature: 1. 100% brand new and high quality. 2. MS7221 voltage and current calibrator is a source and measurement tool. 3. This calibrator is use to measure or output 0 to 24 mA DC current loop, and 0 to 10 V DC voltage. 4. This product can measure loop current signals with very high accuracy and 0.001 mA resolution. 5. The calibrator measure voltage output process signals from PLCs, transmitters Specification: Condition: 100% Brand New Model: PM7221 Function Range Resolution DC Voltage Input 0 ~ 100 mV 0.01 mV 0 ~ 10 V 0.001 V Range Resolution Precision 0 ~ 100 mV 0.01 mV 100 mV 0.01 mV 0.02 % + 2 10 V 0.001 V 0.02 % + 2 InputResistance: 2MΩ (nominal), < 100pF Overvoltage Protection:30 V VoltageDriveFunction: 1 mA DC Voltage Output 0 ~ 10 V 0.001 V Loop PowerOutput 24VDC Output No Measuring Output Current Parameter: Current Input/Output Range Resolution Precision 24 mA 0.001mA 0.015 % + 2 OverloadProtection: mA, 250V&