Calibrate while you measure with just one tool. Keysight handheld multi-function calibrator/meter has all you need for quick validation, servicing or troubleshooting of process control devices on the go.
Extech 412355A Current and Voltage Calibrator/Meter. Precision source for calibrating process devices and measuring DC process signals
Extech PRC10: Current Calibrator/Meter. Precision Current Source/Measure Calibrator
Extech PRC15: Current and Voltage Calibrator/Meter. Precision Current & Voltage Source/Measure Calibrator