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Belimo 22DTH-51M Duct Temperature and Humidity Sensor - Duct Temperature & Humidity Sensors
BelimoDuct Temperature & Humidity Sensors

Belimo 22DTH-51M Duct Temperature and Humidity Sensor

The BELIMO 22DTH-51M is a duct-mounted temperature and humidity sensor with a plastic housing and no display. It provides a temperature signal output of 0 to 10 V and 0 to 5 V, with a temperature accuracy of ±0.50°F…

SKU 3G-OTH-68462

Also listed as: 22DTH51M · 22DTH 51M

Brand
Belimo
Item
22DTH-51M Duct Temperature and Humidity Sensor
Category
Duct Temperature & Humidity Sensors
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Belimo
Manufacturer Part Number
22DTH-51M
Type
-40°F to 200°F, 0 to 10 V/0 to 5 V, Polycarbonate, Plastic
Display
No Display
Housing
Plastic
Includes
1/2 in NPT Conduit Adapter
Product Type
Duct Temperature and Humidity Sensor
Mounting Location
Duct Mount
Temperature Signal
10 kohm All-Polymer 0 to 5 V
Temperature Accuracy
±0.50°F
Relative Humidity Range
95%
Temperature Signal Output
0 to 10 V
Electrical Connection Type
Screw Terminals
Relative Humidity Accuracy
±2% 0 to 80% RH @ 77°F

Technical Documents

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Belimo Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BELIMO 22DTH-51M is a duct-mounted temperature and humidity sensor with a plastic housing and no display. It provides a temperature signal output of 0 to 10 V and 0 to 5 V, with a temperature accuracy of ±0.50°F over a -40°F to 200°F range. The sensor measures relative humidity up to 95% with an accuracy of ±2% from 0 to 80% RH at 77°F, and includes a 1/2 in NPT conduit adapter with screw terminal electrical connections.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the BELIMO 22DTH-51M duct temp/hum sensor used for?

The BELIMO 22DTH-51M is used for monitoring and controlling temperature and relative humidity in HVAC duct systems. It is commonly applied in commercial buildings, clean rooms, and industrial ventilation to maintain environmental conditions. The sensor outputs 0 to 10 V or 0 to 5 V signals for integration with building automation systems.

What are the specifications of the BELIMO 22DTH-51M?

The BELIMO 22DTH-51M is a duct-mounted sensor with a plastic housing and no display. It measures temperature from -40°F to 200°F with ±0.50°F accuracy, and relative humidity up to 95% with ±2% accuracy from 0 to 80% RH at 77°F. It includes a 1/2 in NPT conduit adapter and screw terminal connections.

Where to buy the BELIMO 22DTH-51M worldwide?

You can source the BELIMO 22DTH-51M through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this BELIMO duct temperature and humidity sensor.

How to install the BELIMO 22DTH-51M duct sensor?

Install the BELIMO 22DTH-51M by mounting it in the duct using the included 1/2 in NPT conduit adapter. Connect wiring to the screw terminals per the wiring diagram, ensuring the 0 to 10 V or 0 to 5 V signal is correctly configured. Avoid placing the sensor near heat sources or condensation points for accurate readings.

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Belimo Products

3G Electric supplies Belimo duct temperature & humidity sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
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Siemens
Duct-mounted sensor for temperature and relative humidity measurement in HVAC systems. Provides a 4 to 20 mA humidity output with a range of 0 to 95% RH and accuracy of ±5% of full scale. Temperature accuracy is ±0.50 K over 32°F to 122°F. Compatible with BACnet MS/TP building automation protocols. Housing is plastic with screw terminal connections
Siemens
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Duct-mounted sensor for measuring temperature and relative humidity in HVAC air handling systems. Features a digital display, plastic housing, and screw terminal connections. Temperature range 32°F to 122°F with ±0.50 K accuracy; humidity range 0 to 100% with ±5% full scale accuracy. Provides 4 to 20 mA humidity output and communicates via MP-Bus protocol
Duct-mount humidity sensor with plastic housing and adjustable probe. Measures relative humidity from 30 to 70% with ±5% full scale accuracy. Outputs 0 to 10V DC signal via screw terminals. Compatible with MP-Bus building automation protocols for integration into HVAC control systems
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Duct-mount humidity sensor with plastic housing and adjustable probe. Measures relative humidity from 30 to 70% with ±5% full scale accuracy. Outputs 0 to 10V DC signal via screw terminals. Compatible with MP-Bus building automation protocols for integration into HVAC control systems
Siemens
Siemens
Duct-mounted sensor for measuring temperature and relative humidity in HVAC air streams. Temperature range 32°F to 122°F with ±0.50 K accuracy; humidity range 0 to 100% with ±5% full-scale accuracy. Provides 0 to 10V DC humidity output. Plastic housing with screw terminals, no display. Compatible with BACnet IP building automation systems
Siemens
Siemens
Duct-mounted sensor for temperature and humidity measurement in HVAC systems. Provides a 4 to 20 mA humidity output and communicates via BACnet MS/TP. Temperature range 32°F to 122°F with ±0.50 K accuracy; relative humidity range 0 to 100% with ±5% full scale accuracy. Polycarbonate housing with screw terminals
Siemens
Siemens
Duct-mounted sensor for measuring relative humidity (0 to 100%) and temperature (32°F to 122°F). Provides a 0 to 10V DC humidity output with ±5% full scale accuracy and ±0.50 K temperature accuracy. Features a digital display, plastic housing, screw terminals, and BACnet IP protocol for integration with building automation systems

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