High Temperature Dry Block Calibrator (300°C to 1200°C) – H231200

The H231200 High Temperature Dry Block Calibrator is a portable and precision-engineered calibration solution designed for accurate calibration of RTDs, thermocouples, and temperature sensors over a temperature range of 300°C to 1200°C. It provides excellent temperature stability, fast heating, and reliable performance for laboratory and industrial applications. Built for durability and ease of use, the H231200 supports traceable calibration, reduces downtime, improves measurement accuracy, and offers a cost-effective solution for high-temperature calibration requirements.

 

Description

The H231200 High Temperature Dry Block Calibrator is a precision-engineered temperature calibration instrument designed for accurate calibration of thermocouples, RTDs, temperature transmitters, and temperature sensors using the comparison method. Offering a wide temperature range from 300°C to 1200°C, it delivers exceptional temperature stability, fast heating performance, and reliable accuracy for industrial and laboratory applications.

Designed with portability, durability, and ease of operation in mind, the H231200 provides a highly stable isothermal metal block that enables traceable calibration when used with a certified reference sensor. It is an ideal solution for calibration laboratories, manufacturing plants, power stations, aerospace facilities, and process industries requiring dependable high-temperature calibration.

Reliable High-Temperature Calibration Performance

The H231200 High Temperature Dry Block Calibrator is engineered to provide precise and stable temperatures for the calibration of temperature sensing devices through the internationally accepted comparison calibration method. The instrument features a specially designed metal heating block that creates a uniform and stable temperature environment, allowing multiple probes to be calibrated accurately against a certified master reference sensor.

The system uses a high-precision R-Type Thermocouple as the control sensor and a high-performance Kanthal heating element to achieve rapid heating while maintaining excellent temperature stability throughout the operating range.

Its advanced digital temperature controller continuously monitors the block temperature and automatically adjusts heater power through a solid-state relay, ensuring consistent and repeatable calibration results.

Built for Industrial Reliability

The H231200 has been developed with a rugged construction suitable for continuous industrial use. An integrated electric cooling fan protects internal components and improves thermal management during high-temperature operation, increasing instrument life and reliability.

Its compact and portable design allows engineers to perform accurate on-site calibrations without transporting sensors to a laboratory, reducing downtime and improving maintenance efficiency.

Traceable Calibration

For traceable temperature calibration, a certified master RTD or thermocouple can be inserted alongside the sensor under test inside the calibration block. Since the block maintains an extremely uniform temperature, the reference sensor and test sensor experience identical thermal conditions, resulting in highly accurate comparison calibration.

This proven calibration method complies with internationally accepted calibration practices and is widely used in ISO/IEC 17025 calibration laboratories.

Key Features

  • Temperature Range: 300°C to 1200°C
  • High stability and excellent temperature uniformity
  • Precision R-Type thermocouple control sensor
  • High-efficiency Kanthal heating element
  • Isothermal metal block for comparison calibration
  • Digital PID temperature controller
  • Solid-state relay for accurate heater control
  • Rugged industrial construction
  • Portable and lightweight design
  • Fast heating with stable temperature control
  • Integrated cooling fan for thermal protection
  • Suitable for RTDs, thermocouples and temperature sensors
  • Easy operation with minimal maintenance
  • Ideal for laboratory and field calibration

 

Benefits of Using H231200 Dry Block Calibrator

  • Delivers highly accurate temperature calibration
  • Improves measurement reliability
  • Reduces calibration time significantly
  • Minimizes production downtime
  • Portable for field calibration
  • Easy to operate with low maintenance
  • Provides excellent long-term stability
  • Supports traceable calibration procedures
  • Durable construction for industrial environments
  • Cost-effective alternative to laboratory furnaces

 

Why Choose Measurax?

At Measurax, we manufacture precision calibration instruments designed to meet international quality standards. Our calibration equipment combines advanced engineering, reliable performance, and long service life to support industries requiring accurate measurement solutions.

Why customers trust us:

  • Manufacturer & Exporter of Calibration Equipment
  • Wide Temperature Calibration Range
  • High Accuracy Instruments
  • Robust Industrial Design
  • Excellent After-Sales Support
  • Fast Delivery Worldwide
  • Customized Calibration Solutions
  • Competitive Pricing
  • Trusted by Calibration Laboratories & Industries

Frequently Asked Questions (FAQs)

 

1. What is the temperature range of the H231200 Dry Block Calibrator?

The H231200 operates from 300°C to 1200°C, making it ideal for high-temperature calibration applications.

2. Which sensors can be calibrated?

It is suitable for calibrating RTDs, thermocouples, temperature transmitters, temperature probes, and other temperature sensing devices.

3. Is this calibrator suitable for ISO/IEC 17025 laboratories?

Yes. When used with a certified reference sensor, it supports traceable calibration procedures widely accepted by ISO/IEC 17025 laboratories.

4. Is the H231200 portable?

Yes. The instrument is designed for easy transportation and field calibration while maintaining laboratory-grade accuracy.

5. What heating technology is used?

The calibrator uses a high-performance Kanthal heating element controlled by a precision PID controller.

6. Can multiple probes be calibrated together?

Yes. Multiple probes can be inserted into the calibration block depending on the insert configuration.

7. What industries commonly use this product?

Industries including power generation, pharmaceuticals, oil & gas, aerospace, automotive, calibration laboratories, and manufacturing facilities.

Need Accurate High-Temperature Calibration?

Improve your calibration accuracy with the Measurax H231200 High Temperature Dry Block Calibrator. Contact our technical team today for pricing, specifications, or a customized quotation tailored to your calibration requirements.

Additional information

Temperature range at 25 °

300 to 1200 ˚C @ 25˚

Control accuracy PID

±2˚C

Resolution

0.1/1 ˚C

Thermal Instability

±0.3°C at 300°C
±0.5°C at 600°C
±1.0°C at 1200°C

Thermal Non Uniformity (Radi al)

±0.6°C at 300°C
±1.5°C at 600°C
± 2.0°C at 1200°C

Stabilization Time/settling time

10 minutes after set point is achieved

Cooling Time

180 Min.( 1200 °C to Room Temperature) @25°C

Heating Time

120 Min.( Room Temperature to 1200 °C ) @25°C

Environmental Condition

Temperature – 20 °C to 45 °C
Humidity- 0 % to 90 % RH (non-condensing)

Power Supply/Power Consumption

230 V AC , 50 Hz 500 Watt

Weight

14.00 Kgs(approx.)

Construction Size (H x W x D)

383(H) x 230(W) x 304(D) mm

Insert Length

160mm

Insert OD

37mm

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