Ultrasonic level switch BBDM-4M-LS

for liquidsfor overflow detectionfor pump control

Overview
The BBDM-4M-LS is a 4 MHz ultrasonic liquid level switch transducer designed for high/low level alarms, liquid presence detection, pump protection and level control in industrial equipment.

Operational environment
Operating temperature: -40 to +80°C.
Pressure rating: up to 10 kgf (1 MPa).
Protection rating: IP68.

Technical data for the sensing interface

• Model — BBDM-4M-LS
• Center frequency — 4 MHz ±5%
• Minimum impedance — 85 Ω ±20%
• Capacitance — 800 pF ±20% at 1 kHz
• Operating voltage — Peak voltage <75 Vpp
• Operating temperature — -40 to +80°C
• Pressure rating — ≤10 kgf (1 MPa)
• Protection rating — IP68

Liquid-state applications

• High and low level alarms in vessels
• Liquid presence or absence detection
• Pump protection
• Level control in industrial equipment

Technical specifications

• Model: BBDM-4M-LS
• Center frequency: 4 MHz ±5%
• Minimum impedance: 85 Ω ±20%
• Capacitance: 800 pF ±20% at 1 kHz
• Operating voltage: Peak voltage <75 Vpp
• Operating temperature range: -40 to +80°C
• Pressure rating: ≤10 kgf or 1 MPa
• Protection rating: IP68
• Primary uses: level switching for alarms, presence detection, pump protection and industrial level control