WZ/WR series temperature sensor

thermal resistor

Industrial assembled resistance thermometers are commonly used as temperature sensors in conjunction with display instruments, recording instruments, and electronic regulators. It can directly measure various production processes from-200℃ to420The surface temperature of liquids, vapors, gases, and solids within the temperature range of ℃. According to national regulations, our company has produced products that meet the requirementsIECThe International Standard Dividing MarksPt100Platinum thermistor meets professional standards and has a division numberCu50There are two main types of assembled copper thermistors, which are uniformly designed thermistors.

Temperature measurement range and accuracy

thermocouple

Industrial assembled thermocouples are commonly used as temperature sensors in conjunction with display instruments, recording instruments, and electronic regulators. It can directly measure various production processes from0℃~1800The surface temperature of liquids, vapors, gases, and solids within the temperature range of ℃. According to national regulations, our company has produced products that meet the requirementsIECPlatinum rhodium with international standard division marks30Platinum rhodium6Platinum rhodium13-铂，铂铑10Platinum, nickel chromium nickel silicon, nickel chromium copper nickel four major types of assembled and uniformly designed thermocouples.

Temperature measurement range and accuracy

Note "t”The measured temperature of the temperature sensing element

Thermal response time:

When there is a step change in temperature, the output of the thermocouple changes to a level equivalent to that change50%The required time is called thermal response timeT0.5express.

Thermocouple nominal pressure:

Generally refers to the static external pressure that the protective tube can withstand at room temperature without breaking.actually,Allowing work pressure is not only related to the protective tube material,Diameter and wall thickness are related,And also its structural form,Installation method,The depth of insertion and the flow rate and type of the measured medium are related.

Minimum insertion depth of thermocouple:

It should not be less than the outer diameter of its protective tube8~10times(Special product exceptions)

Thermocouple insulation resistance(room temperature)：

The test voltage for insulation resistance at room temperature is DC500V±50V,The atmospheric condition for measuring insulation resistance at room temperature is temperature15~35℃,relative humidity45%,atmospheric pressure86~106Kpa.

a,For lengths exceeding1The product of the insulation resistance value at room temperature and its length of a meter thermocouple should not be less than100MΩ*m

namely:Rr*L≥100MΩ*m L＞1M

in the formula:Rr-Thermocouple length,m

b,For lengths equal to or less than1Mi's thermocouple,Its insulation resistance value at room temperature should be less than100MΩ

Upper limit temperature insulation resistance