Accurate temperature control, Professional measurement and calibration constant temperature source
Thermocouple Calibration Furnace Product Selection Table
| Product number | DTL-600BG | DTL-600G | DTL-300G | DTL-TG | DTL-HG |
|---|---|---|---|---|---|
| Temperature range（℃） | 300~1200 | 300~1200 | 300~1200 | 300~1200 | 800~1600 |
| Furnace size（mm） | Φ40×600 | Φ40×600 | Φ40×300 | Φ40×1000 | Φ30×600 |
| Standard Thermocouple Calibration | ● | ● | |||
| Noble metal thermocouple calibration | ● | ● | |||
| Base Metal Thermocouple Calibration | ● | ||||
|
Short thermocouple Calibration |
● | ||||
| Type B Thermocouple Calibration | ● |
| Customized series | ||||
|---|---|---|---|---|
| Product number | DTL-600EG | DTL-600TG | DTL-150G | DTL-IIIG |
| Temperature range（℃） | 300~1300 | 300~1200 | 300~1200 | 300~1200 |
| Furnace size（mm） | Φ40×600 | Φ60×600 | Φ40×150 | Φ40×1000 |
| Standard Thermocouple Calibration | ● | |||
| Noble metal thermocouple calibration | ● | ● | ● | |
| Base Metal Thermocouple Calibration | ● | ● | ● | |
|
Short thermocouple Calibration |
● | ● | ||
Dry Block Calibrator Product Selection Table
| Product numbe | DTG-140G | DTG-150G | DTG-660G | DTG-1000G | DTG-1200G | ETC-150G | ETC-400G |
|---|---|---|---|---|---|---|---|
| Temperature range (°C) | -20~140 | -35~150 | 50~660 | 300~1000 | 300~1200 | -10~150 | 50~400 |
| Dimensions (mm) | 330×170×320 | 285×170×335 | 230×180×125 |
220×160× 100 |
|||
| Soaking block aperture | φ4.5、φ6.5、φ8、φ10 | φ6.5、φ12 | φ4、φ6、φ7 | φ4.5、φ6.5、φ8、φ10 | |||
| Fluctuation (°C) | ±0.15 | ±0.2 | ±0.1 | ||||
| Resolution (°C) | 0.01 | 0.1 | 0.1 | ||||
Dry Block Calibrator Guide
● Dry block calibrator definition
A dry block calibrator is a versatile, portable calibrator. Dry block calibrators heat or cool a metal block to a specific temperature to accurately calibrate temperature sensors. These calibrators provide an option for calibrating in the field, combining value and portability with performance and accuracy.
● Dry block temperature calibration
Dry block temperature calibration normally involves using a metal insert with various sized pre-drilled holes for snugly inserting the temperature sensors like thermocouples, RTD sensors, or thermistors, that needs to be calibrated. By heating or cooling the block to a specific temperature, the sensor is regularly calibrated to help it provide more accurate measurements over time.
● How does a dry block calibrator work
Dearto dry block calibrators have a removeable metal insert with pre-drilled holes in it. Sensors are inserted into the block for measurement and calibration. Dry block calibrators heat or cool the block insert to a specific, stable temperature so the source can be adjusted and used at different test points. Multiple sensors can also be calibrated at the same time, usually one to three sensors fit. Accurate measurements rely on good thermal contact between the metal insert and the temperature sensor, so users are offered a variety of inserts to choose from having different sized holes.
The whole dry block calibrator is designed to have a lightweight, compact enclosure for easy transport and use in field calibration.
● Various names of a dry block calibrator
People refer to a dry block calibrator in many ways including:
Dry block
Dry block temperature calibrator
Dry-well calibrator
Block calibrator
Temperature block
Dry bath temperature calibrator
● High temperature dry block calibrators
A high temperature dry block calibrator can generate test temperatures up to 1200 °C (2192 °F). The types of applications and measurement devices that that require calibration by a high temperature dry block calibrator often include process heating equipment: furnaces, boilers, ovens, steam traps, cooling towers, and reactors.
● Low temperature dry block calibrators
A low temperature dry block calibrator can generate test temperatures as low as -95 °C (-139 °F). The types of applications and measurement devices that require calibration by a low temperature dry block calibrator often include refrigeration, HVAC, freezers, lyophilizes, and process cooling such as in manufacturing liquified gases like liquid nitrogen, oxygen, or liquid natural gas.
● How Does Dry-Block Calibration Compare to Other Calibration Types?
Calibration is critical in ensuring measurement instruments' accuracy and reliability. Dry-block calibration stands out among the various calibration methods due to its unique advantages. However, understanding how it compares to other calibration types, such as liquid bath, fixed-point, and electrical stimulation, is essential for selecting the appropriate method for your specific needs.
Dry-Block Calibration
Dry-block calibration uses a metal block with drilled holes to accommodate sensors and instruments. The block is heated or cooled to a precise temperature, providing a stable and uniform environment for calibration. This method is known for its portability, ease of use, and quick stabilization times. It is particularly effective for field calibration and, when necessary, for a dry, contamination-free environment.
Advantages:
Portability: Compact and easy to transport.
Cleanliness: No liquids involved, preventing contamination.
Speed: Quick stabilization and calibration processes.
Versatility: Suitable for various sensors and instruments.
Liquid Bath Calibration
Liquid bath calibration involves immersing the instrument or sensor in a controlled temperature liquid bath. This method provides excellent thermal stability and uniformity, making it ideal for high-precision calibrations.
Advantages:
Thermal Stability: Provides consistent temperature throughout the bath.
Precision: High accuracy, making it suitable for laboratory settings.
Versatility: Can accommodate various sensor shapes and sizes.
Disadvantages:
Portability: Less portable due to the need for liquid handling.
Maintenance: Regular cleaning and maintenance of bath liquids are required.
Fixed-Point Calibration
Fixed-point calibration utilizes the known physical properties of certain materials at specific temperatures (fixed points) to calibrate thermometers and other temperature-measuring devices. This method is highly accurate but often used for calibrating high-precision reference standards rather than everyday instruments.
Advantages:
Accuracy: Provides the highest accuracy by relying on fundamental physical constants.
Consistency: Repeatable and reliable results.
Disadvantages:
Complexity: Requires specialized equipment and knowledge.
Application: Limited to high-precision reference calibrations.
Electrical Simulation Calibration
Electrical simulation calibration uses electrical signals to simulate temperature conditions, enabling the calibration of instruments without the need for actual temperature changes. This method is efficient and widely used for electronic temperature sensors and transmitters.
Advantages:
Efficiency: Quick and easy to perform.
Non-Invasive: No physical temperature changes are needed.
Versatility: Applicable to various electronic devices and sensors.
Disadvantages:
Realism: This may not fully replicate actual temperature conditions.
Specialized Equipment: Requires precise electrical simulation equipment.
Selecting the proper calibration method depends on various factors, including the required accuracy, the environment, and the calibrated instrument type. Dry-block calibration offers a portable, clean, fast solution, making it ideal for fieldwork and versatile applications. However, other methods like liquid bath calibration, fixed-point calibration, or electrical simulation calibration might be more suitable for high-precision needs, laboratory settings, or electronic devices. Understanding the strengths and limitations of each type ensures that your instruments are calibrated accurately and efficiently, maintaining their reliability and performance.
● Benefits of Dry-Block Calibrators
Dry-block calibrators offer several advantages for various applications. Depending on your use case, they may be the best option for calibration.
Here are some of the main benefits of dry-block calibrators:
Portability. Dry-well calibrators are compact and easy to transport, making them suitable for field calibration.
Wide temperature range. These calibrators can achieve various temperatures and suitable for different calibration needs.
Efficiency. You can reach desired temperatures quickly and maintain it stably with a dry-well calibrator, allowing fast and efficient calibration.
Clean and dry: Unlike liquid baths, dry-wells do not involve fluids, reducing the risk of contamination and mess.
Versatility: They are suitable for a wide range of temperatures, making them useful for various applications across different industries.
● Advantages of Using Dearto Dry-Well Calibrators
Using Dearto dry-well calibrators offers several advantages:
Enhanced Productivity: With features like rapid temperature changes and user-friendly interfaces, Dearto calibrators help streamline the calibration process, saving time and effort.
Improved Accuracy: High stability and advanced control features to ensure precise calibrations, which are critical for maintaining process integrity and product quality.
Flexibility: Dearto calibrators are versatile tools for various calibration tasks because they can accommodate different probe sizes and types.
Robust Construction: Dearto calibrators are built to withstand harsh industrial environments and offer durability and long-lasting performance.
The Dearto Difference
Customer support and service is at the forefront of what we do. When you choose a Dearto dry-well calibrator, you benefit from:
Expert technical support: Access to knowledgeable support staff who can assist with setup, troubleshooting, and maintenance.
Comprehensive warranty: Dearto offers robust warranty programs with every calibrator, ensuring peace of mind and protection.
Training and resources: Dearto provides training materials, user manuals, and online resources to help you get the most out of your calibrator.
Dearto dry-well calibrators are top-of-the-line instruments for precise, reliable, and efficient temperature calibration. With advanced features, a range of models to suit different needs, and robust customer support, Dearto calibrators are the ideal choice for ensuring the accuracy of your temperature measurement devices.
Whether for pharmaceutical, food and beverage, manufacturing, or HVAC applications, Dearto dry-well calibrators provide the accuracy and reliability you need to maintain high standards and comply with regulatory requirements. You can count on Dearto to deliver exceptional performance and support for all your temperature calibration needs.
