Pt100 sensor: -90 to +250 °C, metal rod
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Pt100 sensor in a metal rod. 4 mm in diameter for a temperature range of -90 to +250 °C. Teflon cable 3 m.
This version of the sensor is suitable for basic high-accuracy temperature measurement using Papago 2PT ETH. It can also be used as a Pt100 sensor for other devices and converters that are able to measure temperature from Pt100 sensors.
Technical parameters of the Pt100 sensor
| Sensor type | Pt100 / 3850 ppm/°C |
| Accuracy class B | ±(0,3 + 0,005 | t | ) in °C |
| Connection | 4-wire |
| Measuring range | -90 to +250 °C |
| Maximum measuring current | 3 mA |
| Recommended measuring current | 1 mA |
| Sensor coating | IP 64 |
| Response time | τ0,5 < 5 s (in flowing water > 0,2 m/s) |
| Housing material | Stainless steel (DIN 1.4301) |
| Housing diameter | 4,0 ± 0,1 mm |
| Housing length | 60 mm |
| Cable length | 3 m |
| Cable type | teflon, shielded |
| Shielding connection | cable shielding is not electrically connected to the sensor or housing |
| Lead resistance | 0,254 / 1m at 25 °C |
| Temperature resistance of cable | -100 to +250 °C |
| Recommended distance of the cable from the power cables | up to 0,5 m (according to the nature of interference) |
Connection of Pt100 to Papago
The sensor is connected to Papago 2PT ETH using four wires. Individual colours are connected to the following terminals:
- Blue ... D+
- Red ... S+
- White ... S-
- Black ... D-
This picture shows the three most common ways to connect the Pt100 sensor. These are known as two-, three- or four-wire connection. If there is no special reason to connecti it otherwise, we recommend using the four-wire connection.
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