Features:Display: 24000 countsMeasures Loop Current Signals with very high accuracy and0.001 mA resolutionMeasures Process Signals from PLCSimulates 24mA Loop Current to OutputSource voltage to 10VSpecifications:DCV Measure: 0 ~ 100m V、 0 ~ 10 V?Ħ0.02%DCV Source: 0 ~ 100m V、 0 ~ 10 V?Ħ0.02%DCmA Measure(% of span): 0 ~ 24 mA?Ħ0.015%DCmA Source(% of span): 0 ~ 24 mA?Ħ0.015%General Characteristics:Power Supply: 9V battery(not included)Product Weight: 350gDimension: 190mm L * 89mm W * 42mm HPackage Size: 27.3 * 19 * 9cm / 10.2 * 7.5 * 3.3inPackage Weight: 1102g / 2.4lbPackage List:1 * MASTECH MS7221 Voltage Current Calibrator1 * Test Lead1 * Carrying Case1 * User Manual"