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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
|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|
|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|
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