Temperature sensor amplifier

WTK-3

The WTK-3 converts the low-voltage thermocouple signal into a 1–5 mA current signal on a 16 VDC supply. The detachable terminal strip is well suited to retrofits and servicing of older measurement systems. A built-in sensor compensates for ambient temperature fluctuations

Every amplifier in the WTK series works with a type K or J thermocouple and is compatible with the Autronica Sunderland Forge temperature transmitter. The model is equivalent to GA-3

Technical specification

Supply voltage: 16 VDC
Output signal: 1–5 mA
Signal on sensor failure: 0,5–1 mA
Maximum current draw: 10 mA
Load resistance: 0–1400 Ω
Operating temperature: -25 °C do +75 °C
Temperature compensation range: 0 °C do +70 °C
Accuracy: < ±1,0 % zakresu sygnału wyjściowego
Repeatability: < ±0,2 % zakresu sygnału wyjściowego
Dimensions (H × W × D): 44 × 50 × 50 mm
Weight: 67,5 g
Ingress protection: IP64

Available versions

Model WTK-3 is manufactured in versions for different temperature ranges and thermocouple types

Autronica	Marel	Range	Sensor type
GA-3 /E	WTK-3 /E	0 °C do 160 °C	K NiCr-NiAl
GA-3 /B	WTK-3 /B	0 °C do 300 °C	K NiCr-NiAl
GA-3 /A	WTK-3 /A	0 °C do 600 °C	K NiCr-NiAl
GA-3 /N	WTK-3 /N	0 °C do 900 °C	K NiCr-NiAl
GA-3 /G	WTK-3 /G	0 °C do 300 °C	J Fe-Constantan
GA-3 /F	WTK-3 /F	0 °C do 600 °C	J Fe-Constantan

Ask about WTK-3

We sell, select and service WTK amplifiers. We are happy to help choose the right version for your measurement setup

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