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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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