Quick Thermal Conductivity Meter [QTM-700/QTM-710]

Quick Thermal Conductivity Meter [QTM-700/QTM-710]


QTM-710/QTM-700 can measure thermal conductivity of uniform material easily in a short time.

The thermal conductivity of various samples such as block form or sheet in manufacturing, construction, handcraft, soil or food industry is possible to measure by placing a probe on the surface of sample with the uniform temperature.

  • Thermal insulating material of fiber or foamed plastic
  • Plastic, Glass, Wood, etc.
  • Sheet, Leather, etc.
  • Bread dough, Mashed food, Powder, etc.
  • High heat insulation material, Ceramics, etc.


  • Clear and easy operation with the touch-screen of 5.7 inch color LCD
    Intuitive operation is possible with touch-screen.
  • Quick measurement with 3ch probes
    By connecting the multiple probes (the same type or other type), the equipment can measure samples in series without changing the probes, less waiting time.
  • Easy data transfer with a USB flash drive
    Measurement data transfer to personal computer is easy with a USB flash drive.
    Data is viewable and editable in the spreadsheet software because it is saved in CSV format.
  • Security function
    Password setting and security level can be selected in accordance with the intended use and the environment.
  • Probe is compliant with traceability.
    Traceability system of the thermal conductivity standard substance (reference plate) is established for the purpose of further improvement of the reliability of the measured values
  • Built-in Thin film measurement (QTM-710)
    Thermal conductivity of the sheet sample such as a film and a sheet of fiber products can be measured.
    It is easy to analyze the result since the average and the standard deviation of measurement results are calculated and the rise temperature graph is shown.


Main unit

Specification Contents
Name Quick Thermal Conductivity Meter
Type QTM-710 QTM-700
Method Hot Wire Method
Accuracy※1 Within ±5% reading value per reference plate※2 (room temp. only)
Repeatability※1 3% (at the measurement of reference plate)
Thin film measurement Compatible Not compatible
On-window display 5.7 inch color LCD
Language English / Japanese / Chinese / Korean
External I/O RS232C : 2ch (Printer, Data Acquisition Software) USB : 2ch (Printer, USB flash drive)
Ambient conditions Temperature : 5 to 35℃ Humidity : 85%RH or below (no condensation)
Power supply DC24V 5A (main unit), AC100-240V±10% 50/60Hz (AC adaptor)
Dimensions 262(W)×276(D)×158(H)mm
Weight Approx. 4kg
CE marking CE marking (EN61326-1, EN61010-1), suitable for RoHS


※1 Measurement accuracy and repeatability of Thin film measurement depends on the state of the sample
※2 Reference plate (Quartz glass / Silicone rubber / Polyethylene foam)


< Normal measurement >

Specification Contents
Type PD-11N PD-13N
Dimensions 110(W)×50(D)×100(H)mm 110(W)×50(D)×100(H)mm
Measurement range 0.03-12W/(m K) 0.03-12W/(m K)
Measurement temperature 5-35℃ 5-35℃
Measurement time 60sec 60sec
Sample size 100×50×20 mm or more 100×50×20mm or more
Specification Contents
Type PD-31N
Measurement range 0.06-5W/(m K)
Measurement temperature -100-1000℃
Measurement time 60sec ※
Sample size 100×50×20 mm or more 2 pieces

※Optionally set the Measurement time.

<Thin film measurement>

Specification Contents
Type PD-11N PD-13N
Measurement range 0.03-5W/(m K) 0.03-5W/(m K)
Measurement temperature Room temperature Room temperature
Measurement time 60sec 60sec
Sample size 100×50×t mm or more
t/λ≧1mm/(W/(m K))
100×50×t mm or more
t/λ≧1mm/(W/(m K))


Name of option Model Purpose
Box type probe PD-11N Various measurements of the sample in block, powder and sheet are possible with PD-11N.
Available for thin film measurement
Insulated moisture-proof probe PD-13N Insulation film is applied to PD-11N
Thermal conductivity of materials with moisture and conductive materials are possible to measure with PD-13N.
Available for thin film measurement
High-temperature probe PD-31N PD-31N is a conventional sensor based on the measurement principle of Hot Wire Method. Measurements of thermal conductivity of firebricks or heat insulation materials at high and low temperature are possible.
Vessel for powder Vessel for powder The measurement of thermal conductivity of powder sample is possible with the standard probe (PD-11N).
Data Acquisition Software SOFT-CAP This software can connect your PC with various KEM analytical instruments so that measurement results can be downloaded directly to Microsoft® Excel or stored in CSV file format.
Thermal printer DP-600 Thermal printer by thermal line dot method
Printer IDP-100 Dot matrix printer using an ink ribbon

Compatibility of Main units and Options

Model QTM-710 QTM-700 QTM-500
PD-11N ×
PD-13N ×
PD-31N ×
PD-11 × ×
PD-13 × ×
PD-31 × ×
Vessel for powder
Software for measuring thermal conductivity of thin sheet for QTM × ×
DP-600 ×

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