Altek 322-1 Thermocouple Calibrator

The Altek 322-1 Thermocouple Calibrator is a precision instrument designed for calibrating thermocouple instruments and systems. It simulates thermocouple outputs, allowing users to test and calibrate temperature measurement devices accurately. The calibrator supports multiple thermocouple types and provides stable and reliable output signals, ensuring precise calibration and troubleshooting of temperature loops. Ideal for field technicians and calibration labs.

Model
Altek 322-1
Calibration
Available on request
Price
$375
Status
In stock
RFQ ref
322-1
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This unit

The Altek 322-1 Thermocouple Calibrator is a precision portable instrument for simulating and measuring thermocouple outputs in field and laboratory environments. It supports J, K, T, E thermocouple types plus millivolt sourcing, enabling technicians to calibrate temperature measurement devices and troubleshoot thermal loops with high accuracy and speed.


Technical Specifications

Output Performance

  • Accuracy: ±(0.008% of Reading + 0.006 mV)

  • Output Impedance: <0.1 ohms

  • Source Current: Up to 8 mA (drives 80 mV into 10 ohms)

  • Output Noise: 10 Megohms

  • Normal Mode Rejection: 50/60 Hz, 50 dB

  • Common Mode Rejection: 50/60 Hz, 120 dB

  • Measurement Resolution: 0.1° or 1° (field selectable); 0.001 mV resolution

  • Open Thermocouple Detection: 450 ms check pulse, 10 kΩ threshold Environmental & Operating Conditions

  • Operating Temperature: -20 to +60°C (-5 to +140°F)

  • Storage Temperature: -30 to +80°C (-22 to +175°F)

  • Relative Humidity: 10 to 90%, non-condensing

  • Cold Junction Compensation: Built-in, characterized to T/C curve

  • Cold Junction Temperature Effect: ≤0.05°C per °C ambient change

  • Reference Drift: 10 MΩ) minimizes loading effects during measurement mode.

Specifications

ParameterValue
Voltage / Current RangeUp to 8 mA
Overload Protection120 V AC/DC

Altek 322-1 — Repair & Calibration Service

Aumictech offers NIST-traceable calibration and repair for the Altek 322-1. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.

Standard Cal
$450
Pass/fail cert + NIST sticker
Cal with Data
$650
Full NIST cert with measured values

Altek 322-1 price

This Altek 322-1 is listed at $375. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.

Altek 322-1 calibration cost

NIST-traceable calibration for the Altek 322-1 is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Turnaround is 1 to 3 business days after receipt. See full calibration details →