Siemens QBM81-3 Differential Pressure Sensor
SIEMENS QBM81-3 PRESSURE SENSOR
The Siemens QBM81-3 is a high-precision pressure sensor engineered for reliable monitoring and control in HVAC and industrial environments. With a compact design and wide operating range, it ensures stable performance across a variety of low-pressure applications.
Manufacturer: SIEMENS
Type: Pressure Sensor
Model: QBM81-3
| Digital Outputs | CO: 1, Potential-free |
| Permissible Operating Pressure | 7.5 kPa |
| Measuring Range (Pressure) | 20 / 300 Pa |
| Digital Output Switching Voltage | AC 24 / 250 V; 24 V |
| Digital Output Switching Current | 0.01 / 5 (3)A |
| Ambient Temperature (Operation) | -20 / 85 °C |
| Mounting Position | Diaphragm vertical, pressure connection pointing downward |
| Pressure Connection | Connecting branch diameter 6.2 mm |
| Degree of Protection | IP54 |
| Dimensions (Dia x L) | 81 x 90 mm |
