Siemens QBM65-1U Differential Pressure Sensor
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DIFFERENTIAL PRESSURE SENSOR
Siemens QBM65-1U is a precision differential pressure sensor designed for HVAC systems. It features a pressure range of -50 to +50 Pa, fast 10 ms response time, and compact IP54-rated polycarbonate housing.±500“10V24vACAirDiaphragmdifferentialHousingHvacIP54lowOutputPAPolycarbonatePressPressureQBMQBM65-1USensorSiemensTransducer
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SIEMENS QBM65-1U DIFFERENTIAL PRESSURE SENSOR
The Siemens QBM65-1U is a compact and accurate differential pressure sensor designed for monitoring air and non-aggressive gases in HVAC systems. Its robust design and fast response time make it suitable for industrial applications requiring reliable low-pressure measurement and control.
Manufacturer: SIEMENS
Type: DIFFERENTIAL PRESSURE SENSOR
Model: QBM65-1U
Part No.: 120614A
| Pressure Range | -50 / . +50 Pa |
| Max. Pressure | 5000 Pa |
| Operating Voltage | AC 24 V, DC 13.5...33 V |
| Power Consumption | 0.5 VA |
| Output Voltage | 0 / .. 10 VDC |
| Current Consumption | < 10 mA |
| Sensing Element | Pressure diaphragm |
| Pressure Connection | Connection branch, 6.2 mm dia. |
| Electrical Connection | Screw terminals |
| Response Time | 10 ms |
| Mounting Position | Membrane vertical, pressure connection nipples at the bottom |
| Dimensions (W x H x D) | 101 x 86 x 49 mm |
| Housing Material | Polycarbonate |
| Type of Protection | IP 54 |
| Cable Inlet | PG 11 cable gland |
| Pressure Connections | Plastic Nozzle 6.2 mm |























