Point-level detection for alarm and protection functions
The BBDM-1M-LS is a 1 MHz ultrasonic liquid level switch transducer for high and low level alarms, liquid presence detection, pump protection, and liquid level control in industrial equipment.
Its operating range is -20 to +60 °C, with pressure up to 10 kgf or 1 MPa and IP68 protection.
Standard technical specifications
| Parameter | Specification |
|---|---|
| Model | BBDM-1M-LS |
| Center frequency | 1 MHz ±5% |
| Minimum impedance | 8 Ω ±20% |
| Capacitance | 8,000 pF ±20% at 1 kHz |
| Operating voltage | Peak voltage below 300 Vpp |
| Operating temperature | -20 to +60 °C |
| Pressure rating | Up to 10 kgf or 1 MPa |
| Housing material | Customer-supplied |
| Protection rating | IP68 |
Available configurations
| Center frequency | Housing material | Operating temperature |
|---|---|---|
| 1 MHz ±5% | Customer-supplied | -20 to +60 °C |
| 1,000 kHz ±5% | 316 | -40 to +80 °C |
Applications
- High and low liquid-level alarms
- Liquid presence or absence detection
- Pump protection
- Liquid-level control in industrial equipment