HE-69S30NP-0 Johnson Controls Humidity Transmitter

Overview

The Johnson Controls HE-69S30NP-0 is a duct probe humidity element combined with a temperature sensor, designed to provide accurate relative humidity and temperature monitoring inside HVAC ducts. It features an all-plastic enclosure suitable for plenum installations.

Features

• Combines relative humidity and temperature sensing in a single device
• Employs a silicon temperature sensor with a 1,035 ohm reference resistance
• Provides true 3% relative humidity accuracy
• Features a user-selectable output voltage range of 0-10 VDC or 0-5 VDC
• Constructed with all-plastic materials that meet plenum flammability ratings

Specifications

• Power Requirements: 14 to 30 VDC or 20 to 30 VAC
• Humidity Accuracy: +/-3% RH
• Output Signal: 0-10 VDC or 0-5 VDC proportional range
• Temperature Sensor Type: Silicon element
• Probe Length: 6.25 inches
• Ambient Operating Temperature: 32 degrees F to 140 degrees F

Applications

• Measuring relative humidity and temperature inside supply or return air ducts
• Calculating enthalpy for energy-efficient economization strategies
• Monitoring duct humidity to maintain indoor air quality and comply with ventilation standards