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KEM Thermal Measuring Instruments

Quick Thermal Conductivity Meter
QTM-710/QTM-700

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

Clear and easy operation with the touch-screen of 5.7 inch color LCD

Intuitive operation is possible with touch-screen. History of measured values can be seen by pressing the display of the measurement result once, and necessary information and operation menu is displayed speedy. Result window.

Quick measurement with 3ch probes

Solid and film can be measured continuously without changing the probe when the same type or other types of various probe are connected.

Built-in Thin film measurement (QTM-710)

Thermal conductivity of the sheeted sample such as a film and a sheet of fiber products is possible to measure.
The result is easy to analyze since an average calculation of the measured value and rise temperature features is able to display.

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
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.

Type	Quick Thermal Conductivity Meter
Model	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	QTM-710 : Able
	QTM-700 : Unable
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)

Heat Flow Sensors

Various sensors are provided as below to best suit your measurement needs.

Specifications

Sensor	Description	Range	T. range
TR2, 6 KR2, 6	General-purpose Low heat flow sensor	12 - 3,500 W/m2	-40 - 150 ℃
TM1 KM1	Low heat flow sensor	12 - 3,500 W/m2	-40 - 150 ℃
T500B, S K500B, S	Surface Type High Heat Flow Sensor	350 - 17,000 W/m2	70 - 500°C
T500B, S-20 K500B, S-20	Surface Type High Heat Flow Sensor Φ20	350 - 17,000 W/m2	70 - 500°C
T750 K750	Embedding Type High Heat Flow Sensor	580 - 58,000 W/m2	200 - 750°C
T750S K750S	Embedding Type High Heat Flow Sensor	580 - 58,000 W/m2	200 - 750°C

WBGT Meter – WBGT-301

For Sports, Events, General Use

The WBGT-301 is a light and portable WBGT Meter, suitable for heat stress risk assessment for sports, events and more.
Packed with functions and features, it is a top-of-the-line WBGT analyzer. It has a simple, yet elegant design with a focus on easy operability, and in an industry-first, achieved conformity to the industry-leading standard “JIS B 7922” (Measurement of WBGT with a Digital Analyzer) as a “Class 1.5” instrument for measurement precision.
The device is dustproof and water-resistant for peace of mind, rated to the equivalent of IP65.
Functions such as data transfer and onboard memory are also available to meet the common needs of users.
The WBGT-301 model is endorsed by the Japan Sport Association, and in addition to sports, is suitable for almost every situation outside of use in industrial settings where Globe temperature measurement over 60°C is required (see WBGT-302 model).

Can measure Wet Bulb Globe Temperature (WBGT), perfect for preventing heat stress-related illness at sporting and other events
The light and portable instrument can be battery-operated, letting you measure WBGT anytime, anywhere
Has a built-in temperature alarm and can save up to 30,000 measurements worth of data
The device is dustproof and water-resistant for peace of mind, rated to the equivalent of IP65
The device has a USB Type-C port for data transfer and for providing external power from a PC or portable battery charger* (as an alternative to using AA batteries)

*only use a portable charger that has compatibility with a low power consumption mode

Model Name	WBGT-301
Intended Use	Heat stress risk management for sports, schools, events, etc.
Precision Rating	JIS Class 1.5 ^*1
Ingress Protection	Equivalent to IP65 ^*2 (dustproof and water resistant)
Display	2.8-inch LCD screen (56mm x 42mm)
Measurement capabilities	WBGT, ambient temperature, relative humidity, globe temperature
Measurement range & (display resolution)	WBGT: 0.0°C - 50.0°C (displayed to nearest 0.1°C)
	Ambient Temperature: 0.0°C - 50.0°C (displayed to nearest 0.1°C)
	Relative Humidity: 10.0% - 90.0%RH (displayed to nearest 0.1%RH)
	Globe Temperature: 0.0°C - 60.0°C (displayed to nearest 0.1°C)
Accuracy *under a natural draft (0.3 to 3 m/sec)	WBGT: ±1.5°C (15°C - 40°C)
	Ambient Temperature: ±0.6°C (20°C - 50°C)
	Relative Humidity: ±3.0% (30% - 90%RH)
	Globe Temperature: ±0.6°C (20°C - 60°C)
Memory capability	Stores the data of up to 30,000 measurements (most recent data saved)
External interface	USB Type C
Communication specification ^*3	USB connection (USB communication/RS communication)
	UART connection
Power source	AA alkaline batteries
	USB
Battery life	Approximately 6 months ^*4
Dimensions	69 (W) x 36 (D) x 272 (L) mm
	2.7 (W) x 1.4 (D) x 10.7 (L) inches
Weight	Approximately 230 g/8.1 oz (battery weight included)
(*1) Sensor accuracy is based on the JIS B 7922 stipulation (Japanese Industrial Standards).
(*2) Devices confirmed to have IPX5-equivalent water resistance at time of shipment. Use as recommended in the user manual. Damage due to liquids is not covered by warranty.
(*3) Please use the specified cable for connection to the device.
(*4) Depending on utilized settings, period of active use, usage environments, etc.

WBGT Meter – WBGT-302

For Workplace Health & Safety

The WBGT-302 is a light and portable WBGT Meter, suitable for heat stress risk assessment on the go or at the worksite.
Packed with functions and features, it is a top-of-the-line WBGT analyzer. It has a simple, yet elegant design with a focus on easy operability, and in an industry-first, achieved conformity to the industry-leading standard “JIS B 7922” (Measurement of WBGT with a Digital Analyzer) as a “Class 1.5” instrument for measurement precision.
The device is dustproof and water-resistant for peace of mind, rated to the equivalent of IP65.
Functions such as data transfer and onboard memory are also available to meet the common needs of users.

Can measure Wet Bulb Globe Temperature (WBGT), perfect for preventing heat stress-related illness at work/industrial settings
Can measure Globe Temperatures up to 80°C, suitable for extremely hot industrial environments
The light and portable instrument can be battery-operated, letting you measure WBGT anytime, anywhere
Has a built-in temperature alarm and can save up to 30,000 measurements worth of data
The device is dustproof and water-resistant for peace of mind, rated to the equivalent of IP65
The device has a USB Type-C port for data transfer and for providing external power from a PC or portable battery charger* (as an alternative to using AA batteries)