• 4-20 mA output
  • Marine grade cable with strain relief
  • Fully encapsulated electronics
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Product Description
The Global Water Surface Temperature Sensors are high quality, rugged instruments with a precision RTD calibrated to US National Standards.  The surface temperature sensor's output is 4-20 mA with a two wire configuration.  Each of the surface temperature sensors is mounted on 25 ft of marine grade cable, with lengths up to 500 ft available upon request.  The surface temperature sensor's electronics are completely encapsulated in marine grade epoxy within an ABS plastic housing. Surface Temperature Sensor Applications
The surface temperature sensors are well suited for many applications including, pipe temperature monitoring, solar panel temperature, water tanks, control panels, battery monitoring, and many others. What is Temperature and How is it Affected?
Temperature is typically measured in degrees Celsius or Fahrenheit.  To accurately measure temperature the surface temperature sensor should be mounted in direct contact with the surface to be measured.  Using the surface temperature sensor's included silicone heat transfer compound will ensure that temperature transfer from the monitored surface to the sensor's heatsink will be efficient, minimizing the impact of ambient temperature on the measurement.  Dirt or other insulators, like paper labels, can cause errors in the surface temperature sensor's reading or cause slower response times.
Surface Temperature Sensor
Sensor Type: 100ohm Platinum Class A RTD
Output: 4-20 mA
Range: -58°F to +185°F (-50°C to +85°C)
Accuracy: ±0.5°F (±0.25°C)
Operating Voltage: 10-36 VDC
Current Draw: Same as sensor output current
Warm-Up Time: 3 seconds minimum
Adhesive Type: 3M #4910 Acrylic
Storage Temp: -67°F to +195°F (-55°C to +90°C)
Sensing Surface: 0.75x1.5 inch (19x38 mm) Aluminum
Housing: 2.0x1.1x3.8 inch (5x2.8x9.7 cm)(WxHxL) ABS
Weight: 13oz (368g) with 25 ft of cable

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