Product Announcement from Martel Electronics Corporation


Current Loop Calibrator -Image

The Current Loop Calibrator provides significantly extended performance when compared to any competitive current calibrator. With an accuracy of ±0.015% and a 0.001 mA resolution, the 4-20 ma calibrator has the highest accuracy in its class. Unique features, such as a "% Error" function, which eliminates manual error calculation and allows the display of the actual versus ideal error at any calibration point, puts this current calibrator way beyond similar instruments. The loop calibrator can simulate, power, and measure two-wire transmitters. With automatic Step and Ramp functions, the precision loop calibrator also enables remote calibration of 4-20mA devices.

Features include:

  • High accuracy of ±0.015%
  • High resolution of 0.001mA/0.001V
  • % Error Function eliminates manual error calculation
  • Extended Adjustment Range - digital knob and user-selectable decade output allow both large and incremental (0.001 mA step) output changes
  • Reads 0 to 28.0 VDC
  • Built-in 250 Ohm Resistor facilitates calibration of HART Devices
  • Automatic Step and Ramp functions allow for Remote Calibrations
  • Loop Power Measurements
  • Simulates, Powers, and Measures Two-Wire Transmitters
  • Five Push button Preset Outputs (4, 8, 12, 16, 20 mA)
  • Fuseless Input Protection up to 250 VAC
  • Includes neoprene sleve, NIST Certificate with calibration data

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