Belimo 22DTH-51MB : Duct Humidity / Temperature Sensor, 2% Accuracy, RH Outputs: 0-5 VDC or 0-10 VDC, 1K Platinum RTD, UL Enclosure Type 4X/IP65
The Belimo 22DTH-51MB sensor delivers precise ±2% RH and temperature readings for demanding HVAC applications. Its analog outputs (0-5 VDC or 0-10 VDC) and Pt1000 RTD compatibility offer flexible integration, while the NEMA 4X/IP65 enclosure safeguards against harsh environments.
Key features:
- High accuracy: ±2% RH, ensuring reliable climate control
- Wide measurement range: 0-100% RH non-condensing, -30 to 160°F (-35 to 70°C)
- Versatile outputs: 0-5 VDC or 0-10 VDC, Pt1000 RTD
- Durable construction: NEMA 4X/IP65 rated enclosure for lasting performance
Ideal for:
- HVAC systems requiring precise humidity and temperature control
- Data centers and server rooms
- Industrial ventilation applications
- Greenhouses and agricultural facilities
Specifications
| Voltage AC/DC | AC/DC 24 V |
| Electrical Connection | Terminals |
| Measured Values | Temperature/Humidity |
| Output Signal | 0...5 V / 0...10 V / Pt1000 |
| Measuring Range Humidity | 0...100% RH non-condensing |
| Measuring Range Temperature | -30...160°F [-35...70°C] |
| Output Voltage [Range] | 1 x 0...5 V, 0...10 V, min. resistance 10 kΩ |
| Output signal passive temperature | Pt1000 |
| Output signal active note | Output 0...5/10 V with jumper adjustable |
| Probe Length | 5.5" [140 mm] |
Datasheets
 | Technical data sheet – Belimo 22DTH-51MB |
| 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:
- 1K Platinum RTD
- Supported Protocols:
- None
- Humidity Element:
- 2%
- CO2 Element:
- None
- Display:
- No Display
- Probe Length:
- 8
