HE-69120NP-0 Johnson Controls Humidity Element

Overview

The Johnson Controls HE-69120NP-0 is a duct-mount humidity transmitter designed to accurately measure relative humidity and temperature within commercial and light industrial HVAC systems. It features an all-plastic enclosure optimized for duct insertion to enhance thermal performance and building automation integration.

Features

• Combined relative humidity and temperature sensing in a single unit
• TrueRH circuitry for precise, long-term calibration stability
• User-selectable analog output voltage ranges
• All-plastic material complies with UL flammability ratings for plenum use
• High resistance to chemical corrosion via all-polymer construction

Specifications

• Humidity Accuracy: ±2% Relative Humidity (RH)
• Temperature Sensor: 1000 Ohm Thin-Film Nickel (Ni1000)
• Humidity Output Signal: Proportional 0 VDC to 10 VDC or 0 VDC to 5 VDC
• Input Power: 14 VDC to 30 VDC or 20 VAC to 30 VAC (24 VAC/VDC nominal)
• Humidity Measurement Range: 0% to 100% RH

Applications

• Commercial air handling units (AHUs) and plenums
• Building automation systems (BAS)
• HVAC humidity control loops
• Indoor air quality (IAQ) monitoring
• Ventilation and energy management systems