Outdoor Air Temperature Sensor

This sensor is used to measure the outside air temperature to allow the DDC system to coordinate the mechanical systems with actual building load conditions, enabling such strategies as free cooling, optimum start/stop, and supply temperature reset. The housing is made from PVC and stainless steel fittings which shield the probe from direct sunlight. There are three thermistor based models, and one RTD version to provide compatibility with the majority of DDC systems.

Product Highlights:

  • High-accurancy
  • Manufactured to industrial standards
  • Long term protection from moisture
  • PVC electrical enclosure:UL approved for outdoor use
  • Housing:extends over the probe to protect from sunlight radiation
  • 10,000 ohm Thermistor ‘Type2’ Accuracy: +/- 0.2C
  • Platinum RTD Accuracy: +/- 0.4C
  • 1/2” NPT threaded fitting to accept a short length of 1/2” pipe or PVC

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Description

OAT Outdoor Air Sensor

Installation

The OAT sensor can be mounted on the outside of the building using the following guidelines: Choose a spot on the north face out of direct sun light as much as possible. Mount the sensor where it can be serviced, staying away from exhaust ducts. Point the probe downwards to avoid catching rain. To install the sensor, drill a 3/4” (20mm) hole through the wall, and pipe the sensor to an electrical junction box on the inside of the wall. Two conductors are required, 18ga, unshielded twisted pair is common.

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Additional information

Weight 0.23 kg