Xylem-McDonnell & Miller 194 Humidity Sensor, 4-20 mA, -40–150°F, 10–90% RH

Description

The Xylem-McDonnell & Miller Model 194 is a precision air humidity sensor engineered for reliable monitoring in commercial and industrial HVAC applications. Delivering a 4-20 mA output signal that is inversely proportional to relative humidity, this sensor integrates seamlessly into building automation systems and control panels where accurate humidity data is critical.

Key Features

• 4-20 mA output signal inversely proportional to air relative humidity for straightforward BAS integration
• Wide operating temperature range of -40°F to 150°F (-40°C to 65.6°C) for use in demanding environments
• Operating humidity range of 10% to 90% RH, covering typical commercial and industrial conditions
• Two 1/4″ quick-connect terminals for fast, tool-free field wiring
• Compact, durable construction suited for duct or space mounting

Application

Ideal for use in air handling units, ductwork, and building automation systems where continuous, accurate relative humidity monitoring is required. The inverse 4-20 mA output simplifies wiring to controllers and data acquisition systems, reducing installation time and potential for error.

Specifications

• Model: 194
• Output Signal: 4-20 mA (inversely proportional to RH)
• Operating Temperature: -40°F to 150°F
• Operating Humidity Range: 10% to 90% RH
• Terminals: Two 1/4″ quick-connect
• Brand: Xylem-McDonnell & Miller