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 All Categories    Altek Process Calibrators
Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
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Altek Process Calibrators

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PocketCal Milliamp Calibrator

Milliamp Calibrator - Altek

  • Source and Read 0-24mA
  • Simulate 2-wire Transmitters
  • Quik-Chek Pushbuttons
Use the PocketCal 134-2 to simultaneously power and measure two-wire transmitters up to 12V. Simulate the transmitter in circuits from 3 to 45V.

Batteries & three year warranty included


Milliamp Loop Calibrator with Carrying Case

Loop Calibrator - Altek

  • Source to 24mA, Read to 52mA
  • Measure to ±99.9V DC
  • Quickly Simulate 2-wire Transmitterss
The versatile 334A will check, calibrate and troubleshoot all the signals in a 4-20mA process control loop. Simultaneously power and measure two-wire transmitters up to 27V. Simulate the transmitter in circuits from 3 to 45V. Overload protected to 135VAC.

Batteries & three year warranty included


Multifunction Calibrator

Multifunction Calibrator - Altek

  • Calibrate Milliamps, Battery Life 50hr simulate, 20hr source (AA batteries supplied) Volts & Frequency
  • Check Thermocouple & RTD Sensors
  • Use in Place of a DMM for ACV & Ohms
  • Simulate 2-Wire Transmitters
The deluxe Model 820E combines the functions of the 111, 322-1, 334A and 235 calibrators in one compact unit. It also performs frequency calibration and extended voltage measurements.

Batteries & three year warranty included