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 Features: 1. 100% brand new and high quality. 4. This product can measure loop current signals with very high accuracy and 0.001 mA resolution. Specification: Condition: 100% Brand New Model: PM7221 Function Range Resolution 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 Input Resistance: 1MΩ (nominal), < 100pF Overvoltage Protection:30 V VoltageDriveFunction: 1 mA 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 % + 4 Percent Display: 0%=4mA, 100%=20mA Weight: Approx. 627g / 22.1oz Size: Approx. 190 * 90 * 55mm / 7.5 * 3.5 * 2.2in Package List: 2 * Test Leads 1 * Bag Note: Battery is not included.