THERMOCOUPLE

Altek Model 222A Single-Type Thermocouple Calibrator

Altek Model 322 4-Type Multiple Thermocouple Calibrator

Altek Model 422 14-Type Universal Thermocouple Calibrator
Most Accurate Handheld T/C Calibrators!

• Calibrate All Your T/C Inputs—
  Alarms, recorders, controllers and indicators with 0.1° resolution. 
• Built-In T/C Thermometer—
  Connect the T/C and accurately read the temperature. Instantly recall the minimum and maximum temperatures at any time to check the process.
• Unparalleled Accuracy—
  422 & 322 ±( 0.008% of reading + 0.006 mV).
  222A ±( 0.016% of reading + 0.006 mV).
  Accurate to ±0.2 °C/0.4 °F for types J, K, T, E, N, L & U.
  Accurate to ±0.7 °C/1.3 °F for types R, S, B, G, C, D & P. 
  Millivolt range accurate to ±0.006 mV!
• Quik-Chek Switch—
  Instantly recall three output temperatures per type.
• Automatic Cold Junction Compensation—
  Miniature T/C connector and screw terminals on Models 422 and 322 for stable connections to exclusive Isothermal Block. Model 222A comes with attached thermocouple extention wire for fast and stable connections.
• Display Directly in °C & °F—
  Model 422—14 types J, K, T, E, R, S, B, N, C, G, C, P, L, U & mV. 
  Model 322-1—four types J, T, E, K & mV. 
  Model 322-2—four types B, R, S, K & mV. Model 222A—single type—choose from J, K, T, E, R, S, B, N, C, L or mV.
• Optional Wire Kits with Miniature T/C Connector On One End—
  Kit-1 types J, K, T, E. 
  Kit-2 types B, R/S, K.

TO THE TOP

Altek Model 22 Step Thermocouple Simulator
Pocket-Sized Portable Potentiometer!

• Calibrate All Your T/C Inputs—
  Transmitters, recorders, controllers and alarms.
• Cold Junction Compensated—
  Just connect and calibrate without external compensators or ice baths.
• Simulate Temperatures in °C or °F—
  Thermocouple types J, K, T, E, R, S or B with 22 precise test points.
• Easy-to-Use—
  Operate with one hand-even while wearing gloves.
• Economical Accuracy—
  ±0.1% of Span in degrees (based on NBS, now NIST, Monograph 125).
• Long Battery Life—
  Two AA alkaline batteries last 1000 hours.