Siemens QBM81-10 Differential Pressure Monitor

Product Id : 157441


Siemens QBM81-10 Differential Pressure Monitor is used as a flow switch or filter monitor in air ducts. It is used for air and nonaggressive gases.

Applications: ventilation and air conditioning plants, air filters, airflow, fan belts, monitor the pressure in clean rooms, kitchens

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Country : United States

Product Description

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

Additional Information

Weight 1 kg
Manufacturer Siemens
Model No QBM81-10
Measuring Parameters Pressure
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
Weight 1.19 Kgs

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