Description
Siemens QAE2174.015
Reliable immersion temperature sensor for accurate water pipe temperature measurement in HVAC systems
| Brand | Siemens |
| Model | QAE2174.015 |
| Voltage | Passive NTC sensor (no supply voltage required) |
| Country of Origin | Germany |
| Weight | 0.15 kg |
| Dimensions | 120 x 12 x 12 mm (probe 100 mm) |
| Warranty | 12 months |
| Certifications | CE, RoHS |
| SKU / MPN | QAE2174.015 |
| What’s in the box | Immersion temperature sensor, mounting clamp, installation instructions |
| Sensor Element | NTC 10 kΩ |
| Temperature Range | -30 °C to +130 °C |
| Probe Length | 100 mm |
| Protection Class | IP54 |
| Time Constant | Approx. 7 s (in water) |
| Connection | 2-wire, screw terminals |
Key benefits: High accuracy NTC sensing, robust immersion probe design, easy installation on standard pipework, long-term stability, compatible with Siemens building automation controllers
Typical applications: Hot water heating systems, chilled water monitoring, boiler control loops, district heating substations, HVAC plant room monitoring
Lifecycle: Active product, widely available in HVAC automation portfolios
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Exact match for many brands
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Susan Y. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.