Rainbow Electronics Co.,Ltd.

OperationAs a non power thermometer, it is designed to indicate the temperature according to the liquid expanding cofficient, so that you can always check the temperature without electrical equipments,...

Sensors & Transmitters Rainbow Electronics Co.,Ltd. 30 Dec 2025 ( )

Get Your Quote Now : Place of origin : Korea

ApplicationYou can check the temperature form -40°C to 120°C with this product. The Low temperature applications are for freezer, freezing ware house, agricultural greenhouse, icehouse and the High temperature applications are for water heater, boiler, sauna and so forth.

- temperature range : -40°C ~ +40°C / 0°C~120°C- size : 50mm x 30mm- weight : 45g- the length of capillary : Standard 1,000mm

model	Temperature range	capillary dimension	bulb dimension	Error scope
TMRB-040-32B	-40°C~+40°C	1000 mm	BRASS	±3°C
TMRB-120-32B	0°C~120°C	1000 mm	BRASS	±3°C

Technical Specifications

Item	Specifications	Remarks
Update Date	Rainbow Electronics Co.,Ltd.	2025
Lead time	within 30 days	Can be expedited
Material	See product manual	Request Inspection Report
Application	Applicable to multiple industries	Complies with standards
Keywords	Thermostat,Thermometer,capillary thermostats,Heater,Bimetal,Sensor