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Siemens QBM81-10 Differential Pressure Monitor is for air and nonaggressive gases. The differential pressure between the two pressure connections deflects a springloaded diaphragm. This special diaphragm ensures the long-term stability of switching points. Each type is engraved with individual scales for very precise adjustment.
Features of Siemens QBM81-10 Differential Pressure Monitor:
- For ventilation and air conditioning plants
- To monitor air filters, airflow, fan belts
- To monitor the pressure in clean rooms, kitchens, etc.
- Easy to mount
- >1 Mio switching cycles
- Highly precise setting
- Long-term stability
|Pressure Range||100 to 1000 Pa|
|Digital Outputs||1-pin , Potential-free , Switchover contact|
|Permissible Operating Pressure||7500 Pa|
|Ambient Temperature||-30...85 °C|
|Mounting||Diaphragm vertical, pressure connection pointing downward|
|Digital Output, Switching Voltage||DC 24 V / AC 24...250 V|
|Digital Output, Switching Current||0.01...5 (3) A|
|Pressure connection||Connection branch, 6.2 mm dia|
|Degree of protection||IP54|
|Dimension (Ø x L)||81 x 90 mm|