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Temperature Sensors
Blue Mark Temperature Sensors
Thermocouple, Resistance Temperature Detector (RTD)
Thermocouple, Resistance Temperature Detector (RTD) We manufacture a variety of thermocouples and resistance temperature detectors (RTD).
These can be special ordered to customer specifications.
Spec. Sheet Download


Blue Mark Adhesive Type Temperature Sensor ST-50, ST-51, ST-51S
Exposed Tip Type Temperature Sensor ST-50B, ST-51B
Easy temperature measurement
Temperature can be measured by simply applying the tip of the sensor to a tiny object or inserting the sensor into tiny gaps.

Spec. Sheet Download


Blue Mark Fine Surface Temperature Sensor ST-55, ST-56
Temperature Sensor ST-55, ST-56 The ST-55/56 PFA/ceramic coated thermocouples were designed for use on small surface areas. These sensors are able to measure many points in a small surface area or, by using an adhesive type ST-55, the sensor can stick to an exact spot for measurement.
It is a K thermocouple type capable of measuring temperature up to 500 °C (932 °F).
Accuracy is ± 0.5 % ±1 °C.
Spec. Sheet Download


Blue Mark Temperature Sensor (Type K Thermocouple) ST-230, ST-230L
ST-230 Temperature Sensor  For static surface
 Temperature range : 0 to 300°C

 Handheld Digital Thermometer
 DP-350*A, DP-700
ST-230
ST-230L Temperature Sensor  
ST-230L


Blue Mark Temperature Sensor (Type K Thermocouple) JB-160
JB-160 Temperature Sensor
JB-160
 For semi-solid, viscous material and liquid
 Temperature range : -40 to 650°C (Ø 1.6mm) ,  -40 to 750°C (Ø 3.2mm)

 Handheld Digital Thermometer
 DP-350*A, DP-700

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