Loop Calibrator, Source Current 0 to 20mA DC, Current Measurement Range 0 to 24mA DC, Current Accuracy 0.015 Percent + 2 LSD, Voltage Measurement Range 0 to 28V DC, Voltage Accuracy 0.015 Percent Reading +2 Counts, Loop Supply Voltage 24 V DC, Max. Loop Current 24mA DC, Display LCD, Standards CSA C22.2 No. 1010.1:1992, EN50082-1:1992, EN55022:1994, Calibration Certificate NIST, Powered By 9V Battery, Includes (2) TL75 Test Leads, AC70A Alligator Clips, C10 Protective Yellow Holster Voltage Measurement Range 0 to 28V DC Loop Supply Voltage 24 V DC Source Current 0 to 20mA DC Powered By 9V Battery Source/Simulate mA Calibration Certificate NIST Max. Loop Current 24mA DC Current Accuracy 0.015% + 2 LSD Display LCD Includes (2) TL75 Test Leads, AC70A Alligator Clips, C10 Protective Yellow Holster Standards CSA C22.2 No. 1010.1:1992, EN50082-1:1992, EN55022:1994 Voltage Accuracy 0.015% Reading +2 Counts Product Type Loop Calibrator Current Measurement - Minimum 0 mA Number of Batteries Required 1 Parameters Measured DC Current, DC Voltage Includes Batteries Batteries Included Source Voltage - Maximum 28 V DC Voltage Measurement - Maximum 28 V DC Current Measurement - Maximum 24 mA Source Current - Minimum 0 mA Voltage Measurement - Minimum 0 V DC Source Current - Maximum 20 mA Calibration Certificate Type NIST Loop Current - Maximum 24 mA Battery Chemistry Alkaline Source Voltage - Minimum 0 V DC Digital Display Screen Type LCD