• Description
  • Inquiry



MTR420 is integrated smart temperature transmitter, designed for Liquid, gas, steam and air temperature measurement, adopt advanced Pt100 temperature sensitive element and intelligent laser resistance adjustment for temperature compensation, as 4-20ma output, RS485,0-5v,0-10vdc, widely used in boiler, furnace, petroleum, metallurgy,chemicals, ceramic, mechanical, heating dealing and various process industrial fields.



  • High accuracy and stability, Advanced performance,
  • Built-in cold junction compensation, un-linear calibration circuit
  • Measure range: -200 to 200
  • Output: 4-20ma, 2 wire; RS485, 0-5VDC, 0-10V Output
  • Reverse polarity & current limiting protection
  • Tube Diameter: Ф6mm, Ф8mm, Ф12mm, Ф16mm
  • Power supply: 10V to 30VDC, 24VDC as standard



Accuracy 0.5%FS, 0.2%FS Process connection 1/2’’NPT, 1/4’’NPT M27X2, M20X1.5
Stability ≤0.1%/year Electrical connector M20X1.5
Element Pt100 thread material 304SS; 316SS
Measurement range -50 to 200 ℃ Tube material 304SS;316SS
  -200 to 200℃ Housing material Aluminum alloy with spray
Element number Single element Output 4-20mA, 0-10vdc, 0-5vdc
Element Diameter Ф6mm, Ф8mm, Ф12mm, Ф16mm RS485, standard modbus-rtu
Junction type Underground Electrical Connector Hirschman plug, Cable, M12 plug
Overload pressure 200%FS Power supply 24VDC±20%
Max. pressure 10Mpa Working temperature -30 to 80℃
IP protection IP65 Relative humidity 0 to 90%



Order Code

MTR420 Smart Integrated Temperature Transmitter
Order Code: E.g.: MTR420-DT1AP2D6NL100N Description
MTR420 X X X X X X X Smart Digital Temperature Transmitter

Measured Temperature

T1             0 to 100degC
T2             -50 to 200degc
T3             -200 to 200degC
Output A           4-20mA, 2 wire
V           0-5VDC
V2           0-10VDC
R           RS485 output, standard MODBUS-RTU protocol
Process Connection P1         G1/2’’, thread, fixed
P2         1/2’’NPT, thread, fixed
P3         G1/4’’, thread, fixed
P4         1/4’’NPT, thread, fixed
P5         M20X 15, thread, fixed
P6         M14x1.5, thread, fixed
P7         M27X2.0, thread, fixed
PX         customized
Protection tube stem diameter D6       Ф6mm
D8       Ф8mm
D10       Ф10mm
D12       Ф12mm
DX       Customized

Stem Extended Length including thread

N     None
E     Extended length including thread: 100mm
E5     Extended length including thread: 50mm
Stem Insert Length (mm) LX   L100:L=100mm
Others N None
A2 0.2%FS high accuracy
M 316SS protection tube material
X Others

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