REED R8801 Voltage/Current Calibrator, 22mA/20V


The REED R8801 Voltage/Current Calibrator is a precision handheld calibrator that can source and measure voltage and current. In the source mode, voltage up to 20V and current up to 22mA are generated and it has a high 24V compliance voltage which is ideal for powering process loops. In the measurement mode, the range and function can be easily selected, with the measured input accurately shown on the LCD display.


  • Measure loop current (0-22 mA) signals with very high accuracy of 0.03% and 0.001 mA resolution
  • Measure voltage output process signals from PLCs, transmitters
  • Source or simulate 22 mA loop current
  • Source voltage to 20V
  • 24V loop supply with simultaneous current measurement
  • Ramp output function
  • USB computer interface


Current Range0 to 22mA
Current Resolution0.001mA
Current Accuracy±(0.03% f.s. + 2 dgt.)
Voltage Range0 to 20V
Voltage Resolution0.001V
Voltage Accuracy±(0.03% f.s. + 2 dgt.)
Loop Power Supply24VDC
Loop Power Accuracy±10%
General Specifications
Power SupplySingle 9V battery
Dimensions193 x 96 x 47mm