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270-WQ101 Submersible Temperature Sensor

Submersible Temperature Sensor
270-WQ101 Submersible Temperature Sensor
The 270-WQ101 Submersible Temperature Sensor is a rugged reliable water temperature measuring device. The temperature transmitter probe is molded to 25' of marine grade cable, with lengths up to 500' available. The temperature sensor has a two wire configuration for minimum current draw.
Product Details

The 270-WQ101 Submersible Temperature Sensor is a rugged reliable water temperature measuring device. The temperature transmitter probe is molded to 25' of marine grade cable, with lengths up to 500' available. The temperature sensor has a two wire configuration for minimum current draw. The temperature transmitter's electronics are completely encapsulated in marine grade epoxy within a stainless steel housing.

The 270-WQ101 produces a 4-20 mA output signal which is an industrial standard signal for process control monitoring. Most PLCs (Programmable Logic Controller), RTUs (Remote Telemetry Unit), and data acquisition systems accept this signal directly. If a voltage signal is required, the sensor output may be converted by reading the voltage across a precision resistor in series with the signal wire. When the 4-20 mA signal is dropped across a 250 ohm resistor, the output will be 1 to 5 Vdc. If the 4-20 mA signal is dropped across a 125 ohm resistor, the output will be halved to 0.5 to 2.5 Vdc.

Specifications

  • Output: 4-20 mA (two wire loop configuration)
  • Range: -50°C to +50°C
  • Accuracy: ± 0.2°F or ± 0.1°C
  • Maximum pressure: 200 psi (open water)
  • Operating voltage: 10-36 Vdc
  • Current draw: Same as sensor output
  • Warm-up time: 5 seconds minimum
  • Operating temperature: -58 to 122°F (-50 to 50°C)
  • Size of probe: 3/4" diameter x 4-1/2" long (1.9 cm x 11.4 cm)
  • Weight: 8 ounces (227 g)

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