Extech 422123 Precision Multifunction Calibrator

Extech 422123 Precision Multifunction Calibrator Accurate calibration source for Thermocouple, mA, mV, V and
Frequency devices

• Source DC Current ranges with
  high 0.001mA resolution
• Self-contained 24V loop power supply drives current loads up to 1000Ù
• User can set output steps from 1% to 100%
• Large 5 digit LCD
• Automatic ramp output
• Beeps if load is open with Current (mA) output or shorted with Voltage output