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SIEMENS Temperature and Humidity Sensor: Wall Mount - Room Temperature & Humidity Sensors
SIEMENSRoom Temperature & Humidity Sensors

SIEMENS Temperature and Humidity Sensor: Wall Mount

SKU 3G-OTH-70779

Brand
SIEMENS
Item
Temperature and Humidity Sensor: Wall Mount
Category
Room Temperature & Humidity Sensors
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Technical Specifications

SIEMENS
Brand
SIEMENS
Display
Digital Display
Housing
Plastic
Includes
Trim Rings
Product Type
Room Temperature and Humidity Sensor
Humidity Output
0 to 10V DC
Mounting Location
Wall Mount
Temperature Accuracy
±0.54°F
Relative Humidity Range
0 to 100%
Manufacturer Part Number
QFA3212.FWSN
Electrical Connection Type
Plug-In
Relative Humidity Accuracy
±2% of Full Scale
Compatible Building Automation Protocols
LoRaWAN
For Use With Building Automation Systems
Building Automation System Compatible
View Full Spec Sheet

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

Used in

Common applications for SIEMENS
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

SIEMENS Products

3G Electric supplies SIEMENS room 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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Temperature and Humidity Sensor: Wall Mount, Digital, -40°F to 158°F, 4 to 20 mA, Polycarbonate (MPN QFA3171D). Key specifications — Humidity Output: 4 to 20 mA; Temperature Signal Output: 4 to 20 mA; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: MP-Bus; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.
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Temperature and Humidity Sensor: Wall Mount, Digital, -40°F to 158°F, 4 to 20 mA, Polycarbonate (MPN QFA3171D). Key specifications — Humidity Output: 4 to 20 mA; Temperature Signal Output: 4 to 20 mA; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: MP-Bus; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.
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Temperature and Humidity Sensor: Wall Mount, -40°F to 158°F, 0 to 10V DC, Polycarbonate, Plastic (MPN QFA3160). Key specifications — Humidity Output: 0 to 10V DC; Temperature Signal Output: 0 to 10V DC; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: BACnet IP; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.
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Temperature and Humidity Sensor: Wall Mount, -40°F to 158°F, 4 to 20 mA, Polycarbonate, Plastic (MPN QFA3171). Key specifications — Humidity Output: 4 to 20 mA; Temperature Signal Output: 4 to 20 mA; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: LoRaWAN; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.
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Temperature and Humidity Sensor: Wall Mount, Digital, -40°F to 158°F, 0 to 10V DC, Polycarbonate (MPN QFA3160D). Key specifications — Humidity Output: 0 to 10V DC; Temperature Signal Output: 0 to 10V DC; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: BACnet IP; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.
Temperature and Humidity Sensor: Wall Mount, Digital, 55°F to 95°F, Polycarbonate, Plastic (MPN QFA3280.FWSC). Key specifications — Humidity Output: 4 to 20 mA; Includes: Anchors; Relative Humidity Accuracy: ±2% of Full Scale; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS; Electrical Connection Type: Plug-In.
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Temperature and Humidity Sensor: Wall Mount, Digital, 55°F to 95°F, Polycarbonate, Plastic (MPN QFA3280.FWSC). Key specifications — Humidity Output: 4 to 20 mA; Includes: Anchors; Relative Humidity Accuracy: ±2% of Full Scale; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS; Electrical Connection Type: Plug-In.
Temperature and Humidity Sensor: Wall Mount, Digital, 55°F to 95°F, Polycarbonate, Plastic (MPN QFA3230.FWSN). Key specifications — Humidity Output: 4 to 20 mA; Includes: Matching Gaskets; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: BACnet MS/TP; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.
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Temperature and Humidity Sensor: Wall Mount, Digital, 55°F to 95°F, Polycarbonate, Plastic (MPN QFA3230.FWSN). Key specifications — Humidity Output: 4 to 20 mA; Includes: Matching Gaskets; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: BACnet MS/TP; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.
Temperature and Humidity Sensor: Wall Mount, 32°F to 131°F, Polycarbonate, Single Measurement (MPN QFA3212.EWSN). Key specifications — Humidity Output: 4 to 20 mA; Includes: Anchors; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: BACnet MS/TP; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.
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Temperature and Humidity Sensor: Wall Mount, 32°F to 131°F, Polycarbonate, Single Measurement (MPN QFA3212.EWSN). Key specifications — Humidity Output: 4 to 20 mA; Includes: Anchors; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: BACnet MS/TP; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.
Temperature and Humidity Sensor: Wall Mount, Digital, 32°F to 122°F, Polycarbonate, Plastic (MPN QFA32SS.FWSN). Key specifications — Humidity Output: 0 to 5V DC; Includes: Trim Rings; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: Modbus; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.
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Temperature and Humidity Sensor: Wall Mount, Digital, 32°F to 122°F, Polycarbonate, Plastic (MPN QFA32SS.FWSN). Key specifications — Humidity Output: 0 to 5V DC; Includes: Trim Rings; Relative Humidity Accuracy: ±2% of Full Scale; Compatible Building Automation Protocols: Modbus; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Room Temperature and Humidity Sensor; Brand: SIEMENS.