HE-69135NS-0 Johnson Controls Humidity Element

Overview

The Johnson Controls HE-69135NS-0 is a surface-mount duct humidity element and temperature sensor designed for precise environmental monitoring inside HVAC ducts and rooftop economizers. Combining relative humidity and temperature sensing into a single, compact unit, it features an all-plastic housing that enhances thermal performance and simplifies surface installation.

Features

• Dual Sensing Capability: Integrates both relative humidity and temperature sensors into one enclosure to minimize unit and installation costs.
• High-Accuracy Humidity Element: Measures relative humidity across a full range of 0 to 100% RH with an accuracy of ±3%.
• Quality Temperature Sensor: Built with a 1.0k ohm thin-film nickel temperature sensor for reliable thermal data.
• Built-in Protective Membrane: Safeguards internal sensors from potential environmental contamination to ensure long-term stability.
• Streamlined Installation: Employs a quick-mount, two-screw surface installation process with a 1/4-inch male spade connection terminal.

Specifications

• Relative Humidity Accuracy: ±3% RH for the 20% to 80% RH range at 77°F (25°C).
• Temperature Sensor Type: 1.0k ohm thin-film nickel sensor.
• Input Voltage Requirements: 14 to 30 VDC or 20 to 30 VAC at 50/60 Hz, Class 2.
• Output Signal Range: 0 to 5 VDC proportional output for humidity tracking.
• Operating Temperature Range: 32°F to 140°F (0°C to 60°C).
• Dimensions: 3 inches Width x 3 inches Height x 1.23 inches Depth.
• Regulatory Certifications: UL Listed, Plenum-rated (UL 2043), and compliant with NIST standards.

Applications

• Designed for air ducts and rooftop economizer units within commercial HVAC frameworks.
• Utilized alongside direct-mount economizer controllers to calculate indoor air enthalpy accurately.
• Ideal for building automation strategies prioritizing optimal indoor air quality and cost-effective energy use.