Siemens QPM21 Series Temperature & Humidity Sensor, Duct, ±5 %RH
- RS Stock No.:
- 639-256
- Mfr. Part No.:
- QPM2162D / BPZ:QPM2162D
- Brand:
- Siemens
Subtotal (1 unit)*
£913.27
(exc. VAT)
£1,095.92
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 01 July 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £913.27 |
*price indicative
- RS Stock No.:
- 639-256
- Mfr. Part No.:
- QPM2162D / BPZ:QPM2162D
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | Temperature & Humidity Sensor | |
| Sub Type | Duct Air Quality Sensor | |
| Accuracy | ±5 %RH | |
| Mount Type | Duct | |
| Minimum Operating Temperature | -5°C | |
| Maximum Operating Temperature | 50°C | |
| Minimum Supply Voltage | 15V | |
| Maximum Supply Voltage | 35V | |
| Height | 274mm | |
| Standards/Approvals | UL 873, CE, RCM, EN 60730-1, RoHS | |
| Series | QPM21 | |
| Length | 80mm | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Temperature & Humidity Sensor | ||
Sub Type Duct Air Quality Sensor | ||
Accuracy ±5 %RH | ||
Mount Type Duct | ||
Minimum Operating Temperature -5°C | ||
Maximum Operating Temperature 50°C | ||
Minimum Supply Voltage 15V | ||
Maximum Supply Voltage 35V | ||
Height 274mm | ||
Standards/Approvals UL 873, CE, RCM, EN 60730-1, RoHS | ||
Series QPM21 | ||
Length 80mm | ||
Automotive Standard No | ||
RoHS Status: Exempt
- COO (Country of Origin):
- CN
The Siemens Duct Air Quality Sensor is a multifunctional sensor designed to measure CO₂ concentration, temperature, and relative humidity in HVAC duct systems, featuring a built-in digital display for real-time monitoring and diagnostics. Its triple-sensing capability, combined with visual feedback and analog output flexibility, makes it ideal for smart ventilation systems in commercial buildings, schools, and offices where transparency and precision in air quality control are essential.
Maintenance free sensing element
No recalibrations required
CE and UKCA compliant
RoHS compliant
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