JTR -10.02 million can input intelligent temperature transmitter
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Keywords: JTR -10.02 million can input intelligent temperature transmitter
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Product Description
Input type: 2/3/4 wire PT100/PT1000 and tungsten rhenium/B/R/S/N/K/J/T/E type thermocouple
Output mode: two-wire 4 ~ 20mA current loop
Output resolution: 1μA
Data update rate: 2 seconds-thermocouple 1 second -2/4 wire thermal resistance 1.5 seconds -3 wire thermal resistance
Thermocouple cold junction compensation accuracy (AT 25 ℃):(max) ± 0.05 ℃
Operating environment:-35~85 ℃ 0 ~ 95% relative humidity
Special function: can be matched with the sensor, to achieve ultra-high precision measurement.
When the thermocouple is input, the temperature compensation element can be externally connected to realize instant compensation.
Electrical isolation: non-isolated
Power supply: 6 ~ 36VDC
Accuracy (AT 25 ℃ maximum):
Enter model number | Range (℃) | A/D conversion accuracy | D/A conversion accuracy | Influence of 1 ℃ of environment change (temperature drift) |
PT100 | -200~500 | ±0.05℃ | ± 0.075% of range | 0.003 ℃ |
Type B thermocouple | 300~1820 | ± 1.40 ℃ | ± 0.075% of range | 0.050 ℃ |
S-type thermocouple | 0~1768 | ± 0.65 ℃ | ± 0.075% of range | 0.040 ℃ |
N-type thermocouple | -200~1300 | ± 0.35 ℃ | ± 0.075% of range | 0.035 ℃ |
K-type thermocouple | -180~1372 | ± 0.25 ℃ | ± 0.075% of range | 0.034 ℃ |
J-type thermocouple | -180~760 | ± 0.20 ℃ | ± 0.075% of range | 0.011 ℃ |
T-type thermocouple | -200~400 | ± 0.20 ℃ | ± 0.075% of range | 0.015 ℃ |
Type E thermocouple | -50~1000 | ± 0.17 ℃ | ± 0.075% of range | 0.009 ℃ |
digital/analog conversion |
|
|
| 0.0025% Span |
Note 1: Total digital accuracy of thermocouple measurement: analog/digital conversion accuracy 0.05 ℃ (cold end compensation accuracy)
Note 2: Total accuracy of the transmitter: analog-to-digital conversion accuracy, digital-to-analog conversion accuracy, please refer to the previous "about accuracy" for calculation method"
Overall accuracy after using sensor matching function (transmitter sensor)
Enter model number | Range (℃) | Accuracy of analog/digital conversion (℃) |
PT100 | -50~200 | ±0.05 |
S-type thermocouple | 0~650 | ±0.70 |
650~1100 | ±1.50 | |
N-type thermocouple | 0~650 | ±0.40 |
650~1100 | ±1.90 | |
T-type thermocouple | -200~-70 | ±0.40 |
-70~400 | ±0.20 |
Note 1: The sensors listed in the table are the most commonly used, stable and representative sensors in each temperature range. Consult the manufacturer for details of accuracy in a wider temperature range.
Note 2: The thermocouple matching function is a patented technology and must be completed before leaving the factory.
Note 3: The accuracy of thermocouples in the table includes the accuracy of cold junction compensation and does not need to be superimposed separately.
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