Altek 422 14-Type Universal Thermocouple Calibrator - DISCONTINUED

SKU
422
Manufacturer:
Altek
Altek

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
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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

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