22HT-54 Belimo Sensor

Overview

The Belimo 22HT-54 is an active contact temperature sensor providing a 4-20 mA current output signal for surface pipe measurements. Its spring-loaded contact pin ensures optimal thermal coupling for accurate HVAC system control.

Features

• Active 4…20 mA current loop output signal for reliable long-distance transmission
• Spring-loaded brass contact pin for rapid and accurate thermal transfer
• Multi-range selection for custom temperature scale configuration
• Included pipe fixing clamp for convenient mounting
• Rugged NEMA 4X / IP65 housing with 1/2″ NPT conduit adapter

Specifications

• Output Signal: 4…20 mA
• Measuring Element: Active contact transducer
• Mounting: Pipe clamp included (up to 4.3″ / 110 mm)
• Supply Voltage: 24 V DC
• Enclosure Rating: NEMA 4X / IP65

Applications

• Surface temperature monitoring on hot and chilled water pipe networks
• Process temperature measurement in HVAC hydronic loops
• Non-invasive fluid temperature tracking in building management systems