tk04 Thermal Conductivity Meter Overview Measuring principle Probes and samples Testing Evaluation Quality analysis Specifications Packages and accessories Application examples
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Technical specification for the TK04 thermal conductivity meter
- instrument
- probes
- software
- reference standards
- options
- show all
Instrument
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| Name | TK04 measuring unit |
| Measuring principle | transient heat flow (needle probe method) |
| Measuring range | 0.1 to 10 W/mK (probe dependent, see below) |
| Accuracy | ± 2 % (probe dependent, see below) |
| Reproducibility | ± 1.5 % |
| Heater current precision | ± 0.01 % |
| Duration of 1 measurement | typically 80 sec (probe dependent, see below) |
| Automatic repetitions | up to 99 measurements per series (unattended) |
| Sample sizes | no upper size limit, arbitrary shape, minimum size probe dependent (see below) |
| Operating temperature | 0 to 45°C |
| Sample temperature | 0 to 70°C (-25 to 125°C on request) |
| Power supply | 220/240 V ~ (50 Hz) ; 100/120 V ~ (60 Hz) |
| Power consumption | ~ 40W |
| Dimensions (W x H x D) | 471 x 147 x 391 mm |
| Weight | 13 kg |
| Interface | RS232 serial interface |
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Probes The minimum sample size indicates the minimal dimensions required for the particular probe type. For testing of materials with high thermal conductivity values larger samples my be necessary.
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| Name | Standard VLQ |
| Probe type | full-space for laboratory use |
| Dimensions | length: 70 mm, diameter: 2 mm (without handle) |
| Measuring range | 0.1 to 10 W/mK |
| Accuracy | ± 2 % |
| Duration of 1 measurement | 80 sec |
| Minimum sample size | diameter: approx. 30 mm, length: 75 mm |
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| Name | Standard HLQ |
| Probe type | half-space for laboratory use |
| Dimensions | diameter: 88 mm, height: 30 mm |
| Measuring range | 0.3 to 10 W/mK |
| Accuracy | ± 2 % |
| Duration of 1 measurement | 80 sec |
| Minimum sample size | diameter: approx. 80 mm, height: approx. 15 mm |
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| Name | Mini HLQ |
| Probe type | half-space for laboratory use with small samples |
| Dimensions | diameter: 50 mm, height: 30 mm |
| Measuring range | 0.3 to 3 W/mK |
| Accuracy | ± 5 % |
| Duration of 1 measurement | 60 sec |
| Minimum sample size | diameter: approx. 50 mm, height: approx. 15 mm |
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| Name | Field VLQ |
| Probe type | full-space for in-situ use |
| Dimensions | length: 300 mm, diameter: 6 mm |
| Measuring range (tested) | 0.6 to 4 W/mK |
| Accuracy | ± 5 % |
| Duration of 1 measurement | 240 sec |
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Software With the TK04 multi-user licence you may install the software on any number of computers required. The modules for measuring/evaluation and for graphics/quality analysis can be installed and used independently.
| Operating system | Windows 98, Me, 2000, XP, 7 |
| CPU | 1 GHz or higher |
| RAM | 512 MB or higher |
| Interface | 1 free serial interface (COM-Port RS232) or USB port with USB-to-serial converter |
| Screen resolution | 1280 x 1024 |
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Reference standards The specified thermal conductivities are approximate values. Each standard is calibrated individually before delivery and is labeled with its exact thermal conductivity value. Dimensions may vary slightly. A datasheet summarizing physical properties and sizes of the reference standards is available for download.
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| Name | Standard ST 1.6 (thermal conductivity approx. 1.6 W/mK) |
| for half-space probe | 110 x 90 x 30 mm |
| for full-space probes | 55 x 55 x 90 mm, with drill hole (Ø 2 mm) |
| for both probe types | 110 x 90 x 55 mm, with drill hole (Ø 2 mm) |
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| Name | Standard ST 0.2 (thermal conductivity approx. 0.2 W/mK) |
| for full-space probes | Ø 60 mm, height 90 mm, with drill hole (Ø 2 mm) |
The users are not required to perform calibration or reference tests themselves. The standards are intended for occasionally checking the function of instrument and probes.
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Options
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| Name | Pressure device with limiter |
| Usage | pressure device with limiter (max. 10 bar / 1.7 kN) for applying controlled pressure to a half-space probe placed on top of a sample |
| Contact pressure | 0 to 10 bar/1.7 kN |
| Dimensions | 290 x 150 mm, height: 420 mm (lever down) / 575 mm (lever up) |
| Weight | 12.9 kg |
| Sample size | height max. 13 cm, other dimensions practically unlimited |
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| Name | Sample container |
| Usage | sample container for powder, fragments and liquids |
| Dimensions | diameter: 100 mm, height: 90 mm (external dimensions, inner diameter matching the Standard HLQ half-space probe) |
| Weight | approx. 1800 g |
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