Duct Hygrostat, w/Internal Setpoint MPN:QFM81.21
Duct Hygrostat, w/Internal Setpoint
The Siemens Duct Hygrostat is a reliable and accurate humidity sensor designed for use in building automation systems. It measures and controls humidity levels in return ducts, ensuring a comfortable and healthy indoor environment. With its analog display and all-polymer sensing element, this hygrostat provides precise readings and long-lasting performance. Compatible with various building automation protocols, including BACnet and LonWorks, it seamlessly integrates with existing systems. Ideal for use in commercial and industrial buildings, the Siemens Duct Hygrostat helps maintain optimal humidity levels, preventing damage to equipment and ensuring a safe working environment.
Top product features:
- Analog display allows for easy monitoring of hygrostat readings.
- All-polymer sensing element provides a durable and long-lasting measurement capability.
- Screw terminals enable easy electrical connection for integration with building automation systems.
Top product applications:
- Duct Hygrostat for controlling humidity levels in return air ducts of commercial HVAC systems.
- Duct Hygrostat for monitoring and regulating humidity levels in data centers and server rooms.
- Duct Hygrostat for maintaining optimal humidity levels in museums and art galleries to preserve sensitive artwork and artifacts.
Duct Hygrostat, Display Type Analog, Sensing Element Type All-Polymer, Mounting Location Return Duct Mount, Wall Mount, Housing Material Polycarbonate, Housing Color Gray, Probe Length Not Applicable, Temperature Accuracy Not Applicable, Electrical Connection Type Screw Terminals, For Use With Building Automation Systems Building Automation System Compatible, Compatible Building Automation Protocols BACnet IP, BACnet MS/TP, LonWorks, LoRaWAN, Modbus, MP-Bus, Measurement Type Single
Additional Information
- Country of Origin: CH
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 20 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 10.10
- Package Width: 5.90
- Package Height: 3.30
- Package Weight: 1.03
Product info last updated on February 5, 2026 2:07am UTC
Category: HVACR and Appliance Controls