Johnson Controls HE-69S3-0NP0 Sensor

The Johnson Controls HE-69S3-0NP0 is a high-precision duct mount humidity and temperature sensor designed for demanding commercial HVAC applications. Featuring a 0-100% relative humidity range with ±3% accuracy, this unit utilizes a polymer thin-film capacitive sensing element for stable performance and rapid recovery from saturation. This model functions as the direct replacement for the HE-67S3-0N00P, providing a seamless field upgrade while maintaining the same 1035 Ohm platinum silicon temperature sensor output for precise thermal monitoring. Built for long-term reliability, the sensor housing is optimized for duct airflow sensing, ensuring accurate readings across varying air velocities. Integrating this HVAC relative humidity transmitter into your building automation system ensures tighter control over indoor air quality (IAQ) and thermal comfort through efficient analog RH signal output. Technicians can rely on the HE-693S-0NP0 duct probe for industrial-grade durability and simplified installation in existing Johnson Controls Metasys architectures.

• Direct Field Replacement: Specifically engineered to replace the legacy Johnson Controls HE-67S3-0N00P without requiring major wiring modifications.
• Integrated Temperature Sensing: Features a 1035 Ohm silicon sensor to provide dual-function monitoring in a single duct penetration.
• Resilient Sensor Core: The thin-film humidity element resists the effects of pollutants and high-humidity environments, reducing sensor drift over time.
• Standardized Output: Provides a consistent 0-10 VDC or 4-20 mA output (depending on configuration) for universal controller compatibility.

Is the HE-69S3-0NP0 compatible with older Metasys controllers?
Yes, as the direct replacement for the HE-67S3-0N00P, this unit maintains the specific 1035 Ohm resistance curve required by older system protocols while offering improved humidity sensing stability.

What is the typical response time for the humidity element?
The polymer sensor is designed for fast response in duct environments, typically reaching equilibrium in less than 20 seconds depending on air velocity.

Does this unit require field calibration upon installation?
The unit is factory-calibrated to ±3% RH. While field calibration is possible, it is typically unnecessary for standard commercial applications during initial startup.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.