Belimo 22DTH-55M : Duct Humidity / Temperature Sensor, 2% Accuracy, RH Outputs: 0-5 VDC or 0-10 VDC, Temperature Transmitter 0-5 VDC or 0-10 VDC, Modbus Communication, UL Enclosure Type 4X/IP65
The Belimo 22DTH-55M is a duct-mounted humidity and temperature sensor with impressive accuracy (2%) and a wide range of output options. It features dual analog outputs (0-5 VDC or 0-10 VDC) for both humidity and temperature, along with Modbus communication for digital integration. This sensor boasts durable construction with a UL Type 4X/IP65 enclosure, making it ideal for harsh environments. The 22DTH-55M's flexibility and accuracy make it a top choice for various HVAC and industrial applications.
Specifications
| Voltage AC/DC | AC/DC 24 V |
| Electrical Connection | Terminals |
| Measured Values | Temperature/Humidity |
| Output Signal | 0...5 V / 0...10 V / Modbus |
| Measuring Range Humidity | 0...100% RH non-condensing / Adjustable via Modbus |
| Measuring Range Temperature | Adjustable via Modbus / -20...80°C [-5...175°F] |
| Communication | Modbus RTU |
| Output Voltage [Range] | 2 x 0...5 V, 0...10 V, min. resistance 10 kΩ |
| Output signal active note | Output 0...5/10 V with jumper adjustable |
| Probe Length | 5.5" [140 mm] |
Datasheets
 | Technical data sheet – Belimo 22DTH-55M |
| Installation Instructions for Belimo 22DTH Series |
| Belimo Sensor Brochure |
| Sensors Master Format - Consultant Specifications |
- Sensor Type:
- Duct
- Output Signal:
- 0-5 VDC or 0-10 VDC
- Temperature Element:
- Transmitter
- Supported Protocols:
- Modbus
- Humidity Element:
- 2%
- CO2 Element:
- None
- Display:
- No Display
- Probe Length:
- 8
