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MS7221 Thermocouple Calibrator

The MS7221 is a portable thermocouple calibrator designed for precise simulation and measurement of thermocouple signals. It is used for testing, calibrating, and maintaining temperature instruments across industrial environments.

Key Features

  • Measures and simulates thermocouple output signals.

  • Supports multiple thermocouple types (K, E, J, T, R, B, S, N).

  • High accuracy and stability for field and lab applications.

  • Compact, lightweight design with durable casing.

  • Clear LCD display with user-friendly operation.

  • Auto power-off and low battery indication.

Technical Specifications

Thermocouple Types Supported

  • K, E, J, T, R, B, S, N

Output Range

  • –200°C to +1370°C (depending on thermocouple type)

Accuracy

  • ±(0.02% of reading + 0.5°C)

Resolution

  • 0.1°C

Cold Junction Compensation (CJC)

  • Automatic, with ±0.5°C accuracy

Power Supply

  • 9V battery

Operating Environment

  • Temperature: –10°C to +50°C

  • Humidity: ≤85% RH

Storage Environment

  • Temperature: –20°C to +60°C

  • Humidity: ≤90% RH

Dimensions & Weight

  • 190 × 90 × 40 mm

  • 500 g

Applications

  • Calibration of thermocouple meters and controllers.

  • Simulation of thermocouple signals for system testing.

  • Troubleshooting of temperature measurement systems in industrial plants.

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