DRE series rapid thermal conductivity tester

Introduction to DRE series rapid transient thermal conductivity tester

The model specifications of this series of thermal conductivity testers are as follows:

DRE-2AThermal conductivity tester (transient dual hot wire method)

The DRE-2A thermal conductivity tester uses the transient dual hot wire method to mainly measure the thermal conductivity of liquids. It has the characteristics of fast measurement speed, small sample size required, high accuracy, high resolution, and high reproducibility. Automatically measured by computer control. Widely applicable for measuring the thermal conductivity of working fluids in fields such as petroleum, chemical, biological, pharmaceutical, energy, and power engineering.Main technical parameters:

1. Measurement range: 0.001~5.0 W/(m · K),

2. Temperature range: Standard testing: room temperature. (Temperature controllers are required for testing the thermal conductivity of samples at different temperatures, and the cost is additional, such as -20--120 ℃),

3. Measurement accuracy:<± 3.0%,

1. Sample dosage:<80ml,

2. Measurement time: 10 seconds,

3. Pressure environment: optional vacuum or pressure system (cost additional);

4. Reference standard: ASTM D2717-95,

8. Sample shape: liquid; Gaseous state.

9. Power supply: voltage 220V; frequency 50Hz; power<500W,

10. Communication interface: USB interface.

Instrument configuration: including 1 DRE-2A testing host, 1 set of testing probes, 2 glass test tubes, 1 set of testing software, 1 set of communication interface and data cable, and 1 Lenovo desktop computer.

DRE-2BThermal conductivity tester (transient probe method, small probe)

The DRE-2B thermal conductivity tester adopts the transient probe method and is suitable for measuring the thermal conductivity of high viscosity fluids, gels, particles, powders and other materials. This instrument combines the hot wire method with the probe method, greatly improving the portability of operation while ensuring measurement accuracy. Users only need to insert the detector into the test sample and obtain the thermal conductivity of the test sample through simple software clicks. It is particularly suitable for testing soft materials, finished products with different shapes, and field exploration.

Key Features:

1. Convenient operation, fast testing speed, and accurate measurement

2. Especially suitable for on-site measurement

3. No special shape requirements for the sample

4. Automated testing software, easy to operate

5. The sample temperature tester can test the thermal conductivity of the sample at different temperatures.

Main technical indicators:

1. Measurement range: 0.01~5.0 W/(m · K)

2. Voltage endurance range: Conventional testing is at normal pressure (high-pressure devices can be selected according to user experimental requirements to perform testing at high pressures such as 010Mpa, 015Mpa, etc., at an additional cost);

3. Temperature range: Conventional testing is at room temperature. (Different temperature control systems can be selected according to user experimental requirements, such as -20--100 ℃, 0-100 ℃, room temperature --120 ℃, etc., at an additional cost),

4. Accuracy:<± 3.0%,

5. Sample shape: Loose substances such as liquids, colloids, and loose solids.

6. Sample dosage: length not less than 10cm, diameter not less than 3cm (dosage depends on the size of the probe)

7. Measurement time: 5 minutes,

8. Reference standard: ASTM D5334-92.

9. Power supply: voltage 220V; frequency 50Hz; power<500W,

10. Communication interface: USB interface.

Instrument configuration: including 1 DRE-2B testing host, 1 testing probe, 1 set of testing software, 1 set of communication interface and data cable, and 1 Lenovo desktop computer.

DRE-2CThermal conductivity tester (transient plane heat source method)

The DRE-2C thermal conductivity tester adopts the transient plane heat source method, mainly measuring the thermal conductivity of solids, powders, coatings, films, anisotropic materials, etc. This instrument is based on TPS transient planar heat source technology and uses a Hot Disk as the probe for measuring thermal conductivity.

The advantages of the Hot Disk method are:

(1) Directly measuring heat propagation can save a lot of time;

(2) Will not be affected by contact thermal resistance like the static method;

(3) No special sample preparation is required, only a relatively flat sample surface is needed.

Main technical indicators:

1. Measurement range of thermal conductivity: 0.01100W/mk,

2. Measurement time: 1-600 seconds,

3. Accuracy: better than 5%,

4. Temperature Range: Standard Measurement: Room Temperature (Various temperature ranges for testing can be selected according to customer requirements, with additional costs ranging from -20 ℃ to 120 ℃),

5. Sample size: A relatively flat sample surface with a height greater than 15mm and a diameter greater than 45mm, where the powder material is directly inserted for testing;

6. Instrument reference standard: ISO 22007-2008

7. Easy to operate and fast to test, simply clamp the test probe between two sample blocks and obtain the thermal conductivity of the tested sample through simple software clicks.

8. Power supply: voltage 220V; frequency 50Hz; power<500W,

9. Communication interface: USB interface.

Instrument configuration: including 1 DRE-2C testing host, 1 testing probe, 1 set of testing software, 1 set of communication interface and data cable, 1 Lenovo desktop computer, and 1 sample fixture.

DRE-2DThermal conductivity tester (transient probe method, large probe)

The DRE-2D thermal conductivity tester adopts the transient probe method and is suitable for measuringHigh viscosity fluids, liquids, gels, particles, powdersWait for the thermal conductivity of the material. This instrument combines the hot wire method with the probe method, greatly improving the portability of operation while ensuring measurement accuracy. Users only need to insert the detector into the test sample and obtain the thermal conductivity of the test sample through simple software clicks,Especially suitable for on-site measurement.

Key Features:

1. Convenient operation, fast testing speed, and accurate measurement,

2. Especially suitable for on-site measurement,

3. There are no special shape requirements for the sample,

4. Automated testing software, easy to operate,

5. The sample temperature tester can test the thermal conductivity of the sample at different temperatures.

Main technical indicators:

1. Thermal resistance coefficient range: 20-1000 (k * cm/w);

2. Thermal conductivity range: 0.1-5 (w/m * k);

3. Measurement accuracy:<5%;

4. Measurement temperature range: Conventional testing is at room temperature, and the temperature resistance range of the test probe is -40-120 degrees;

5. Probe size: φ 10 * 1500 (mm); Insertion depth: 600-1500 (mm);

6. Measurement time: 20 minutes;

7. Computer fully automated testing, data processing, and generation of detection reports, which can be printed and output;

8. Power supply: voltage 220V; frequency 50Hz; power<500W

9. Communication interface: USB interface.

Instrument configuration: including 1 DRE-2D testing host, 1 testing probe, 1 set of testing software, 1 set of communication interface and data cable, and 1 Lenovo desktop computer.

DRE-2E Thermal Conductivity Tester (Transient Hot Wire Method)

The DRE-2E instrument uses a cross hot wire (or cross line) sensor for measuring powders and solid block materials. Weld a temperature measuring thermocouple in the middle of the heating wire to measure the temperature of the hot wire. This hot wire has a much thicker diameter than a single hot wire and is less prone to breakage, making it suitable for measuring powders and solid block materials,And it can be measured at relatively high temperatures.But the hotline is a bare wire, and the conductive material cannot be directly detected.

Key Features:

1. Convenient operation, fast testing speed, and accurate measurement

2. Especially suitable for on-site measurement

3. Automated testing software, easy to operate

4. The sample temperature is controlled by a tester, which can test the thermal conductivity of the sample at different temperatures.

Main technical indicators:

1. Thermal conductivity range: 0.01005.0W/mk;

2. Test temperature range: Conventional testing is at room temperature, and the temperature resistance range of the test probe is -20 ℃ to 120 ℃;

3. Test accuracy: ≤± 5%;

4. Probe type: Crossline;

5. Probe parameters: Φ 0.3 × 200mm (nickel chromium wire);

6. Measurement time: 120-600 seconds;

7. Sample type: powder, solid block material (non-conductive);

8. Sample size: 230 × 100 × 50mm;

9. Reference standard: GB/T10297-2015 Determination of thermal conductivity of non-metallic solid materials (hot wire method).

10. Power supply voltage: 220V, power: ≤ 200W.

Instrument configuration: including 1 DRE-2E testing host, testingprobe1aOne set of testing software, one set of communication interface and data cable, and one Lenovo desktop computer (configured according to the contract).

DRE-2G Low Thermal Conductivity Material Rapid Thermal Conductivity Tester (Transient Hot Wire Method)

The DRE-2G instrument uses a single hot wire sensor for measuring powders and solid block materials,Especially low thermal conductivity insulation materials.Hot wire is both a heating element and a temperature measuring element. The characteristic of this sensor is to attach the hot wire to the insulation material. As the hot wire is very small, it is more suitable for measuring lightweight, low heat capacity, and low thermal conductivity materials. But the hotline is a bare wire, and the conductive material cannot be directly detected.

Key Features:

1. Convenient operation, fast testing speed, and accurate measurement

2. Especially suitable for on-site measurement

3. Automated testing software, easy to operate

4. The sample temperature is controlled by a tester, which can test the thermal conductivity of the sample at different temperatures.

Main technical indicators:

1. Thermal conductivity range: 0.00102.0W/mk;

2. Test temperature range: -40 ℃ to 100 ℃;

3. Test accuracy: ≤± 3%;

4. Probe type: single hot wire;

5. Probe parameters: Φ 0.06 × 100mm (platinum wire);

6. Measurement time: 10-600 seconds;

7. Sample type: powder, solid block material, suitable for testing low thermal conductivity materials.

8. Sample size: ≥ 114 × 80 × 40mm;

9. Reference standard: GB/T10297-2015 Determination of thermal conductivity of non-metallic solid materials (hot wire method);

10. Power supply: Voltage: 220V, Power: ≤ 200W;

Instrument configuration: including 1 DRE-2G testing host for testingprobe1aOne set of testing software, one set of communication interface and data cable, and one Lenovo desktop computer (configured according to the contract).

Selection Guide：

DRE-2A mainly measures liquids and gases,

DRE-2B mainly measures loose materials such as liquids and powders,

DRE-2C can mainly measure solid blocks, bulk materials, and colloids,

DRE-2D mainly measures large volume loose materials.

DRE-2E mainly measures powders and solid block materials.

DRE-2G mainly measures low thermal conductivity materials.