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Analytical Calibrators Dosing Flow Level LVDT & ADT Mixers Panel Displays Pressure Sludge Control Steam & Water Temperature About Us

422 PLUS  BEST IN CLASS

Calibration Is Lab Accurate & Stable

  • Checkout all your 4-20 mA loops & instruments.
  • Fast calibration with automatic output stepping.
  • Verify Survey Recorders and perform Accuracy Tests.
  • Easy to use in the Plant, Field or Shop.



Instructional

Video

Thermocouple Calibrator Range


322 TC-ds.pdf 422 TC-ds.pdf 422+ MA, TC-ds.pdf 520B, 521B TC-ds.pdf

4 TC Types

Auto step, Source & read

Replacement for the

Altek 322-1 T/C calibrator


14 TC Types

Best accuracy in a hand held unit

Replacement for the

Altek 422 T/C calibrator


Best dual unit on the market!  

Find Hidden Loop Problems with Ground Leak Detection

Source and Read 14 T/C types

plus mV


Single Type

Source only, also mV

Replacement for the

Altek 22 T/C calibrator


14 TC Types

Source only, also mV

Replacement for the

Altek 22 T/C calibrator


Practical Instrument Electronics

Thermocouple Calibrators

PIE Replacement Guide

3 Year Warranty

322

422

422 PLUS

520B

521B