Race Grade Sensors

RaceGrade DTM Fluid Temp Sensor

The RG.SN.5022 is an NTC (Negative temperature coefficient) temperature sensor. The resistance of the sensor element decreases with increasing air temperature. It is designed as a fluid temp sensor and is not recommended for air temperature due to a slower response time. It is an unpowered sensor and therefore requires that the input line is pulled up, so that the resistance change will result in a voltage drop in the input pin. It is generally recommended to connect the sensor to an AT input on a MoTeC device, as these inputs include a 1k pullup to 5V.

Thread: 1/8 NPT

The voltage information below is provided assuming the sensor is setup on an input including a 1k pullup resistor to 5V. If this is not the case, then the resistance row must be used to calibrate the sensor instead.

15873

9256

5572

3457

2830

2205

1443

992

660

475

329

244

175

134

99

80

60

47

Voltage

4.704

4.512

4.239

3.878

3.695

3.440

2.953

2.490

1.988

1.610

1.238

0.981

0.745

0.591

0.450

0.368

0.283

0.224

Deg C

-10

0

10

20

25

30

40

50

60

70

80

90

100

110

120

130

140


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