Altek 422 14-Type Universal Thermocouple Calibrator - DISCONTINUED


Key Features:

This Product is DISCONTINUED
Please see the PIECAL 422 & 422Plus as a Recommended Replacement

  • 14 T/C Types plus mill-volts (J, K, T, E, R, S, B, N, G, C, D, P, L, U & mV)
  • Temperature readout and voltage, Reads directly in degrees
  • "QUIK-CHEK® ” switch, Select HI, LO & SET
  • 45 output memory, Three for each T/C type & mV
  • 0.007% Accuracy, °C or°F
  • Field selectable 0.1° or 1μV resolution
Call For Price

Secured and trusted checkout with

Altek 422 is capable of calibrating most transmitters, recorders, controllers, alarms, indicators, data acquisition and computer systems. The 422 is capable of simulating 14 common thermocouple types or DC milli-volts.

General Specifications - Altek 422

Accuracy: ±(0.008% of Reading + 0.006 mV)
Cold junction compensation: Built-in for specified thermocouple type, characterized to T/C curve
Cold junction temperature effect: Within 0.05° per °C change in ambient temperature over operating range
Operating temperature range: -5 to +140°F (-20 to +60°C)
Storage temperature range: -22 to + 175°F (-30 to +80°C)
Relative humidity: 10 to 90%, non-condensing
Zero stability: Included in Cold junction effect
Warm up time: 1 Minute to full rated accuracy
Overload protection: 120 volts AC/DC for 30 seconds on connecting leads, in any mode
Battery life: 9 Volt Alkaline: Nominal 40 hours Low battery: “BAT” indication on LCD at 7 Volts nominal, approximately 10 hours left.
Open thermocouple detection: 450 millisecond check pulse. Nominal threshold, 10 K Ohms. Displays “ — — — —” for open circuit
Normal mode rejection: 50/60 Hz, 50 dB Common mode rejection: 50/60 Hz, 120 dBReference drift: <10 PPM/°C
Overall size: 2 1/2 x 2 5/8 x 5 1/8 inches (63.5 x 66.7 x 130 mm)
Weight: 10.9 oz. (0.31kg)
Carrying case: Included, zippered with belt loop and shoulder strap
Thermocouple Simulator (Source)
   Output impedance: <0.1 ohms
   Source current: up to 8 mA (drives 80mV into 10 Ohms)
   Output noise: <4 microvolts p-p for frequencies of 10 Hz or below
   Overload: Indicates OVER and blanks digits on the display
Read a thermocouple
   Input impedance: >10 Megohms
   Normal mode rejection: 50/60 Hz, 50 dB
   Common mode rejection: 50/60 Hz, 120 dB

Altek 422 Range Table

Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account