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Product Description
Siemens QBM81-3 Differential Pressure Monitor is an air pressure monitor with the differential pressure switch QBM 81-3 intended to keep an eye on the performance of the fans and air filters. Additionally, for clean rooms, kitchens, etc., pressure monitoring is a important parameter in the industries for safety.
Features of Siemens QBM81-3 Differential Pressure Monitor:
- 4 to 20 mA output signal powered by a loop (QBE3100)
- SPDT contact output (QBM81)
- Compact construction
- Quick and simple installation using a single screw to secure an integrated mounting bracket and snap-on cover.
- Multiple mounting positions with a resettable zero point (QBM3100).
- Ultra-low susceptibility to temperature
- There is no mechanical aging.
Additional Information
Manufacturer | Siemens |
---|---|
Model No | QBM81-3 |
Range | 20…300 Pa |
Type of switch | Single-pole change-over, multi-layer contact |
Switching differential | Factory set |
Reset | Automatic |
Protection class | IP54 |
Ambient Temperature | -40 to +85 °C (-40 to +185 °F) |
Operating Humidity | <90 % r.h. (non-condensing) |
Weight | 0.19 kg with mounting bracket |
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