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Surface Duct Mount Humidity Transmitter

TRUERH HE6700 Series

The HE-6700 sensors provide humidity and temperature sensing inside ducts and rooftop economizers. They are suitable for use with Johnson Controls direct mount Economizer controllers. The All-Polymer humidity element senses over the entire range of 0 to 100% RH, resisting corrosion and is housed in a plastic enclosure that is easy to install. These sensors are factory calibrated to NIST standards.

The ±2% models ship with NIST certificates of conformance to validate use in demanding HVAC applications.

Temperature and humidity information from the HE-67xx can be used to precisely calculate enthalpy, playing an important part in determining an energy-efficient and cost-effective economization strategy. Duct humidity is an important factor in the overall quality of indoor air. The HE-67xx allows you to monitor and compare duct humidity with levels recommended inASHRAE ventilation standards.

Features and Benefits
  • TRUERH circuitry and calibration techniques for which patent protection is pending
  • All-Polymer humidity sensor patented sensing element improves sensor’s corrosion resistance
  • Humidity and Temperature Sensor in One Unit eliminates need for separate sensors; reduces installation time and cost
  • The 2% RH accurate model includes a National Institute of Standards and Technology (NIST) certificate of conformance to document higher precision for 2% models
  • Senses RH Over Full 0 to 100% Range, accommodating a wide range of applications
  • Protective membrane protects sensors from contamination
  • Quick-mount, 2-screw installation reduces installation time
  • Compact enclosure for mounting inside ducts designed for rooftop unit applications and retrofits; enables surface-mount installation
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