Belimo 22DTH-51ML Sensor
The Belimo 22DTH-51ML is a high-precision duct sensor engineered for demanding HVACR environments that require integrated humidity and temperature monitoring. This unit features a selectable 0-5V or 0-10V active output for humidity, alongside a passive NTC10k2 (10k type 2) thermistor for accurate temperature feedback. Built with a polymer capacitive sensor and a stainless steel wire mesh filter, it ensures long-term stability and resistance to contaminants. The 5.5-inch probe and NEMA 4X / IP65 rated enclosure make it a reliable choice for air handlers and plenum applications where moisture and dust protection are critical. Technicians can field-configure the device to output relative humidity, absolute humidity, dew point, or enthalpy, providing maximum flexibility for building automation systems and economizer control. Designed for AC/DC 24V nominal voltage, the tool-free housing and pluggable terminals streamline installation for contractors. This sensor is an essential component for maintaining indoor air quality and optimizing thermal loads in commercial ductwork.
Key Benefits
- Dual-Function Monitoring: Combines active humidity and passive temperature sensing in one unit to reduce installation time and cabinet wiring.
- Environmental Resilience: The NEMA 4X enclosure provides superior protection against corrosion and moisture in harsh mechanical rooms.
- Precision Accuracy: ±2% humidity accuracy across the standard operating range ensures tight control for sensitive HVAC applications.
- Field Selectable Outputs: Easily switch between 0-10VDC and 0-5VDC signals using on-board jumpers to match BAS controller requirements.
- Advanced Measurements: Capable of calculating enthalpy and dew point, removing the need for external math blocks in your controller.
Common Questions
What is the compatible temperature sensor type for the 22DTH-51ML?
This specific model utilizes a passive NTC10k (10k2) thermistor, which is a standard curve for many industry controllers. Always verify your controller's input type before installation.
Can the humidity output be changed from voltage to current?
The 22DTH-51ML provides voltage outputs (0-5/10V). If your system strictly requires a 4-20mA loop, you should look for the corresponding 22DTH-51M series model designed for current signals.
Is the mounting flange included with the sensor?
Yes, each unit comes with a 19.5 mm mounting flange and a 1/2-inch NPT conduit adapter to facilitate secure duct mounting and electrical connection.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $217.93
-65%$217.93
$76.28Belimo 22DTH-51ML Sensor
The Belimo 22DTH-51ML is a high-precision duct sensor engineered for demanding HVACR environments that require integrated humidity and temperature monitoring. This unit features a selectable 0-5V or 0-10V active output for humidity, alongside a passive NTC10k2 (10k type 2) thermistor for accurate temperature feedback. Built with a polymer capacitive sensor and a stainless steel wire mesh filter, it ensures long-term stability and resistance to contaminants. The 5.5-inch probe and NEMA 4X / IP65 rated enclosure make it a reliable choice for air handlers and plenum applications where moisture and dust protection are critical. Technicians can field-configure the device to output relative humidity, absolute humidity, dew point, or enthalpy, providing maximum flexibility for building automation systems and economizer control. Designed for AC/DC 24V nominal voltage, the tool-free housing and pluggable terminals streamline installation for contractors. This sensor is an essential component for maintaining indoor air quality and optimizing thermal loads in commercial ductwork.
Key Benefits
- Dual-Function Monitoring: Combines active humidity and passive temperature sensing in one unit to reduce installation time and cabinet wiring.
- Environmental Resilience: The NEMA 4X enclosure provides superior protection against corrosion and moisture in harsh mechanical rooms.
- Precision Accuracy: ±2% humidity accuracy across the standard operating range ensures tight control for sensitive HVAC applications.
- Field Selectable Outputs: Easily switch between 0-10VDC and 0-5VDC signals using on-board jumpers to match BAS controller requirements.
- Advanced Measurements: Capable of calculating enthalpy and dew point, removing the need for external math blocks in your controller.
Common Questions
What is the compatible temperature sensor type for the 22DTH-51ML?
This specific model utilizes a passive NTC10k (10k2) thermistor, which is a standard curve for many industry controllers. Always verify your controller's input type before installation.
Can the humidity output be changed from voltage to current?
The 22DTH-51ML provides voltage outputs (0-5/10V). If your system strictly requires a 4-20mA loop, you should look for the corresponding 22DTH-51M series model designed for current signals.
Is the mounting flange included with the sensor?
Yes, each unit comes with a 19.5 mm mounting flange and a 1/2-inch NPT conduit adapter to facilitate secure duct mounting and electrical connection.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Belimo 22DTH-51ML is a high-precision duct sensor engineered for demanding HVACR environments that require integrated humidity and temperature monitoring. This unit features a selectable 0-5V or 0-10V active output for humidity, alongside a passive NTC10k2 (10k type 2) thermistor for accurate temperature feedback. Built with a polymer capacitive sensor and a stainless steel wire mesh filter, it ensures long-term stability and resistance to contaminants. The 5.5-inch probe and NEMA 4X / IP65 rated enclosure make it a reliable choice for air handlers and plenum applications where moisture and dust protection are critical. Technicians can field-configure the device to output relative humidity, absolute humidity, dew point, or enthalpy, providing maximum flexibility for building automation systems and economizer control. Designed for AC/DC 24V nominal voltage, the tool-free housing and pluggable terminals streamline installation for contractors. This sensor is an essential component for maintaining indoor air quality and optimizing thermal loads in commercial ductwork.
Key Benefits
- Dual-Function Monitoring: Combines active humidity and passive temperature sensing in one unit to reduce installation time and cabinet wiring.
- Environmental Resilience: The NEMA 4X enclosure provides superior protection against corrosion and moisture in harsh mechanical rooms.
- Precision Accuracy: ±2% humidity accuracy across the standard operating range ensures tight control for sensitive HVAC applications.
- Field Selectable Outputs: Easily switch between 0-10VDC and 0-5VDC signals using on-board jumpers to match BAS controller requirements.
- Advanced Measurements: Capable of calculating enthalpy and dew point, removing the need for external math blocks in your controller.
Common Questions
What is the compatible temperature sensor type for the 22DTH-51ML?
This specific model utilizes a passive NTC10k (10k2) thermistor, which is a standard curve for many industry controllers. Always verify your controller's input type before installation.
Can the humidity output be changed from voltage to current?
The 22DTH-51ML provides voltage outputs (0-5/10V). If your system strictly requires a 4-20mA loop, you should look for the corresponding 22DTH-51M series model designed for current signals.
Is the mounting flange included with the sensor?
Yes, each unit comes with a 19.5 mm mounting flange and a 1/2-inch NPT conduit adapter to facilitate secure duct mounting and electrical connection.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
