Ultrasonic level switch BBDM-1M-LS

for liquidsfor pump controlfor tanks

Overview
The BBDM-1M-LS is a 1 MHz ultrasonic liquid level switch transducer designed for high/low level alarms, liquid presence detection, pump protection and level control in industrial equipment. It supports operation from -20 to +60 °C, up to 10 kgf (1 MPa) pressure and offers IP68 ingress protection. The transducer is supplied without a fixed housing to allow customer-specific integration.

Key specifications

• 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 (1 MPa)
• Housing material: Customer-supplied
• Protection rating: IP68
• Available variant: 1,000 kHz ±5%, housing 316, operating temp -40 to +80 °C

Available configurations

• 1 MHz ±5% — housing: customer-supplied — operating temp: -20 to +60 °C
• 1,000 kHz ±5% — housing: 316 stainless steel — operating temp: -40 to +80 °C

Applications

• High and low liquid-level alarms
• Liquid presence or absence detection
• Pump protection and dry-run prevention
• Liquid-level control in tanks, vessels and process equipment

Benefits for OEMs and integrators

• Frequency and electrical characteristics suited for industrial level-sensing circuits
• Customer-specified housing option for seamless mechanical integration
• Wide pressure and temperature variants for diverse installation environments
• IP68 rating for submerged or washdown applications