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 11 June 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 | |
| Maximum Operating Temperature | 50°C | |
| Minimum Operating Temperature | -5°C | |
| Minimum Supply Voltage | 15V | |
| Maximum Supply Voltage | 35V | |
| Standards/Approvals | UL 873, CE, RCM, EN 60730-1, RoHS | |
| Length | 80mm | |
| Series | QPM21 | |
| Height | 274mm | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Temperature & Humidity Sensor | ||
Sub Type Duct Air Quality Sensor | ||
Accuracy ±5 %RH | ||
Mount Type Duct | ||
Maximum Operating Temperature 50°C | ||
Minimum Operating Temperature -5°C | ||
Minimum Supply Voltage 15V | ||
Maximum Supply Voltage 35V | ||
Standards/Approvals UL 873, CE, RCM, EN 60730-1, RoHS | ||
Length 80mm | ||
Series QPM21 | ||
Height 274mm | ||
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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