Siemens® QBM81-5 Differential Pressure Monitor

Product Id : 157351


Siemens® QBM81-5 Differential Pressure Monitor uses proven sensing technology to deliver accurate and repeatable data in applications that require monitoring of differential pressure.QBM Series Differential Pressure Devices can be used in a wide range of applications where differential air pressure monitoring is required.
Applications: HVAC, Cleanrooms, HEPA Filter,  Prevailing Airflows,Laminar Flow.

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Country : United States

Product Description

Siemens® QBM81-5 Differential Pressure Monitor used for air and nonaggressive gases. Differential Pressure Switches are used to monitor differential pressure, under pressure, and overpressure in HVAC installations.
Features of Siemens QBM81-5 Differential Pressure Monitor :

  • Integral Mounting Bracket and Snap‑On Cover with a Single Screw for Easy Installation
  • Loop Powered 4-20 mA Output Signal
  • Ultra‑Low Susceptibility to Temperature
  • Resettable Zero Point
  • No Mechanical Aging

Additional Information

Weight 1 kg
Manufacturer Siemens
Model No QBM81-5
Digital Outputs 1-pin , Potential-free , Switchover contact
Permissible Operating Pressure 7500 Pa
Ambient Temperature -20...85 °C
Mounting Diaphragm vertical, pressure connection pointing downward
Range 50…500 Pa
Digital Output DC 24 V
Switching Voltage AC 24...250 V
Switching Current 0.01...5 (3) A
Pressure connection Connection branch, 6.2 mm dia
Degree of Protection IP54
Dimensions (Ø x L) 81 x 90 mm
Supply Scope 1 unit of Siemens QBM 81-5, 2 duct adaptors, 4 fixing screws, 2 m tubing, 5/8 mm diameter & Instruction manual
Weight 200 Grams

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