The mAcal Loop Calibrator is an economical and easy-to-use calibration device for sourcing and measuring mA signals. It is designed specifically for 2-wire transmitter loops with 4 to 20 mA signals.

The keypad is labeled for easy operation, and includes timesaving one-key-one-function access to step functions and loop supply power. The large display clearly shows milliamp (to 0.001 mA), percent, voltage, or seconds, and also includes error codes for loop mismatch, reverse polarity, and over range.

Features:

Source and Measure current to 24 mA with ½ 0.05% of full scale
Measure voltage from 0 to 45 VDC with ½ 0.5 VDC
200 hours of life using 4 x AA batteries
Push button to switch between mA and % reading
All input and output connectors are placed away from the display and keyboard for best operation conditions
Special fixed steps stored for easy tests of linear and flow transmitters or valve positioners
Choose between manual or automatic steps with 10 or 30 seconds between

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• Source and Measure current to 24 mA with ½ 0.05% of full scale
• Measure voltage from 0 to 45 VDC with ½ 0.5 VDC
• 200 hours of life using 4 x AA batteries