1.Installation and Measurement

• The length of the protective tube immersed in the measured medium must be greater than the length of the temperature sensing element. Generally, the immersion length should be greater than 100mm. For thermometers with a range of 0-50 ℃, the immersion length is recommended to be greater than 150mm. ‌

• The installation position should accurately reflect the temperature of the measured medium, avoiding external interference and mechanical damage.

• Select the appropriate type of bimetallic thermometer based on measurement requirements, such as axial, radial, or universal.

2. Operating environment

• Bimetallic thermometers should operate normally within an ambient temperature range of -30 ℃ to 80 ℃. Exceeding this range may affect measurement accuracy and the lifespan of the thermometer.

• Not suitable for measuring the temperature of media in open containers, as such environments can easily cause external interference or damage to the thermometer.

• Avoid using bimetallic thermometers with live contacts in areas with high vibration to avoid affecting the reliability of the contact operation.

3. Operation and maintenance

• Avoid directly twisting the thermometer head to avoid damaging internal components or affecting measurement accuracy.

• Regularly inspect the thermometer, it is generally recommended to conduct an inspection every six months.

• Avoid colliding with the protective tube of the thermometer and do not bend or deform it.

• Regularly clean the casing and temperature sensing elements of the thermometer, keeping them dry and ventilated.

4.Other precautions

• The temperature at which bimetallic thermometers often operate should be within the range of 1/2 to 3/4 of the dial scale to maintain measurement accuracy and stability.

• When using, it is necessary to select a suitable temperature sensor installation boss to ensure that the thermometer is firmly installed in the measuring position.

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