Belimo 22DTH-53MM : Duct Humidity / Temperature Sensor, 2% Accuracy, RH Outputs: 4-20 mA, 10K Type III Thermistor, UL Enclosure Type 4X/IP65
The Belimo 22DTH-53MM is a duct sensor that accurately measures both humidity and temperature, making it ideal for optimizing HVAC systems in commercial and industrial buildings. With ±2% RH accuracy and a wide operating range of 0-100% RH and -30°F to 160°F, the 22DTH-53MM provides reliable data for precise control of airflow, humidity, and temperature.
This versatile sensor features 4-20 mA outputs for humidity and 10K Type III Thermistor, for the emperature output, simplifying integration into building automation systems. Its rugged UL Type 4X/IP65 enclosure protects against dust, dirt, and water spray, ensuring long-lasting performance even in harsh environments.
Key features:
- ±2% RH accuracy for precise humidity control
- Wide operating range: 0-100% RH, -30°F to 160°F
- 4-20 mA outputs for both humidity and temperature
- UL Type 4X/IP65 enclosure for durability
- Compact design for easy installation
Specifications
| Voltage AC/DC | AC/DC 24 V |
| Electrical Connection | Terminals |
| Measured Values | Temperature/Humidity |
| Output Signal | 4...20 mA / NTC10k3 (Precon) |
| Measuring Range Humidity | 0...100% RH non-condensing |
| Measuring Range Temperature | -30...160°F [-35...70°C] |
| Output Voltage [Range] | 1x 4...20 mA, max. resistance 500 Ω |
| Output signal passive temperature | NTC10k3 (Precon) |
| Probe Length | 5.5" [140 mm] |
Datasheets
 | Technical data sheet – Belimo 22DTH-53MM |
| Installation Instructions for Belimo 22DTH Series |
| Belimo Sensor Brochure |
| Sensors Master Format - Consultant Specifications |
- Sensor Type:
- Duct
- Output Signal:
- 4-20mA
- Temperature Element:
- 10K Type III
- Supported Protocols:
- None
- Humidity Element:
- 2%
- CO2 Element:
- None
- Display:
- No Display
- Probe Length:
- 8
