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Quick Details

  • Place of Origin: Shaanxi, China (Mainland)
  • Brand Name: GAIMC
  • Model Number: GTM104
  • Usage: Industrial
  • Theory: Temperature Transmitter
  • Accuracy: ≤0.2% or 0.2K
  • Temperature range: -200~+850℃
  • Output: 4-20mA
  • Input: RTD,Pt100, Cu50, Pt1000
  • Power: 9-30VDC
  • Lightening protection: ±4000V (5 times)
  • Range setting: Slide switch
  • Current limitation: ≤25mA
  • Response time: 1S
  • EFT interference resistance: ±4000V
  • Temperature drift: 0.008%FS/1℃
  • Product name: 4-20mA din rail pt100 temperature transmitter

Packaging & Delivery

Packaging Details netural export package
Delivery Time 10 days after payment confirmed

4-20mA din rail pt100 temperature transmitter


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Product Description





GTM104 slide switch RTD transmitter is an intelligent two-wire PC programmable RTD transmitter with its range set by slide switch. It could linearize RTD input for 4-20mA (two-wire) output and transmit the output signal to system control equipment like DCS or PLC with features of sensor damage or short circuit preset. The product is powered by output circuit (no separate power needed).


Product Show


1. GTM104 adopts circuit design with lightening protection and EFT resistant function, thus the product is lightening resistant. The product could protect related equipment effectively under 5 continuous inductive thunder (≤±4000V).

2. Both input and output could resist ±4000V EFT interference.

3. GTM104 RTD transmitter could effectively protect equipment damage from faradism, switch on and off of high capacity equipment in power system, line fault, switching, operation of frequency conversion equipment or welding machine, etc.

4. Product with compact structure design and easy for installation.

5. Super low consumption inner circuit design will greatly reduce temperature drift caused by heat dissipation of instrument components. This had improved long period stability of the product and prolonged its service life.

6. Operating temperature range for the product is -40~+85℃. GTM104 RTD transmitter could operate under harsh environment.






Configuration mode

Slide switch + PC programmable

Separate power debugging and signal



Pt100, Cu50, Pt1000


Temperature range




≤0.2% or 0.2K



4-20mA (two-wire)


In case of sensor failure (open or short circuit), output of GTM104 will decrease to ≤3.6mA or increase to ≥21.5mA

Calculation of max. load

(Power V-9V)/ 0.025A (Output current)

Current limitation




Response time


Lightening protection

±4000V (5 times)

EFT interference resistance


Operating temperature range


Temperature drift


Long period stability

≤0.1℃ / year or 0.05% / year




Electrical connection diagram
Type selection
Company Information


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China (Mainland) | Manufacturer, Trading Company
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Supplier's Trade Assurance Limit: US $279,000
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