JTR-1002 Universal Input Intelligent Temperature Transmitter - Product

Input type: 2/3/4-wire PT100/PT1000 and tungsten-rhenium/B/R/S/N/K/J/T/E thermocouples

Output mode: two-wire 4~20mA current loop

Output resolution: 1μA

Data update rate: 2 seconds - thermocouple 1s - 2/4-wire thermal resistor 1.5s - 3-wire thermal resistor

Thermocouple cold end compensation accuracy (AT25℃): (maximum) ±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 thermocouple input, an external temperature compensation element can be connected to achieve instant compensation.

Electrical isolation: non-isolated type

Power supply: 6~36VDC

Accuracy (AT25℃ Max):

Enter model number	Range (℃)	A/D conversion accuracy	D/A conversion accuracy	Impact of environment change of 1 ℃ (temperature drift)
PT100	-200~500	± 0.05 ℃	±0.075% of range	0.003 ℃
B-Type 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 ℃
E-type thermocouple	-50 to 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)

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

Enter model number	Range (℃)	A/D conversion accuracy (℃)
PT100	-50 ~ 200	± 0.05
S-type thermocouple	0 ~ 650	± 0.70
S-type thermocouple	650 ~ 1100	± 1.50
N-type thermocouple	0 ~ 650	± 0.40
N-type thermocouple	650 ~ 1100	± 1.90
T-Type thermocouple	-200 ~ -70	± 0.40
T-Type thermocouple	-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. For details of accuracy in a wider temperature range, please consult the manufacturer.

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.