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Jinzhou Jingwei Instrument Co., Ltd
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    No. 212 Jinyi Street, Taihe District, Jinzhou City, Liaoning Province
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JTR-8012 Intelligent Rail Temperature Transmitter
JTR-8012 Intelligent Rail Temperature Transmitter
Product details

Input type: 2/3/4 wire PT100 and tungsten rhenium/B/R/S/N/K/J/T/E thermocouple

Output mode: 0~10V (adjustable). RS485 (optional)

Output resolution: 1mv

Data update cycle: 0.5 seconds

Thermocouple cold junction compensation accuracy (AT25 ℃): (maximum) ± 0.1 ℃

Operating environment: -30~70 ℃~95% relative humidity

Special function: Can be matched with sensors to achieve ultra-high precision measurement.

When the thermocouple is input, an external temperature compensation element can be connected to achieve instant compensation.

Sensor open circuit indicator light alarm.

Electrical isolation: The power input output/RS485 are isolated from each other, with an isolation voltage of 600V

Power supply: 18~36VDC (other ranges can be customized)

Accuracy (AT25 ℃&AT0.5 sampling rate maximum):

Note 1: The numerical/analog conversion accuracy and temperature drift given in the table are for the output range of 0-10V.

Other range calculation methods: digital/analog conversion accuracy=0.05% * 10/range; Numerical/Analog Conversion Temperature Drift=0.002 * 10/Range.

For example, 1-5V output: digital/analog conversion accuracy=0.05% * 10/(5-1)=0.125%

Note 2: Total digital accuracy of thermocouple measurement: analog-to-digital conversion accuracy+0.1 ℃ (cold end compensation accuracy)

Note 3: The total accuracy of the transmitter is: analog-to-digital conversion accuracy+analog-to-digital conversion accuracy. Please refer to the previous section on "About Accuracy" for the calculation method

Overall accuracy after using sensor matching function (transmitter+sensor)

Note 1: The sensors listed in the table are the most commonly used, stable, and representative sensors for various temperature ranges; For more information on the accuracy of a wider temperature range, please consult the manufacturer.

Note 2: The thermocouple matching function is a patented technology that needs to be completed before leaving the factory.

Note 3: The accuracy of the thermocouples in the table already includes the cold junction compensation accuracy and does not require additional stacking.


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