Underwater depth sensor BBDM-1M-UW

Product overview
The BBDM-1M-UW is a 1 MHz ultrasonic transducer designed for short-range underwater depth measurement, precision liquid-level and proximity sensing, and target detection. Its 6° narrow beam and an approximate 50 mm blind zone deliver improved distance resolution for applications requiring fine range discrimination.

Key Features

• 1 MHz center operating frequency
• 6° narrow beam for high distance resolution
• Approx. 50 mm blind zone
• IP68-rated housing for continuous submersion
• Maximum working pressure 1.6 MPa

Technical Specifications
Center operating frequency - 1 MHz ±5%
Beam angle - 6°
Bandwidth - 10%
Overall sensitivity - >250 mV (measured at 10 Vp-p, 10 cycles, 70 mm)
Minimum parallel resistance - 120 Ω ±30%
Static capacitance - 1200 pF ±20%
Maximum operating voltage - <200 V (pulsed, 2% duty cycle)
Operating temperature - 0 to 95°C
Maximum working pressure - 1.6 MPa
Housing material - ABS
Blind zone - Approx. 50 mm
Protection rating - IP68

Applications

• Short-range underwater depth measurement
• Precision distance measurement in liquids
• Proximity detection and underwater positioning
• Underwater obstacle and target detection

Technical details

• Model: BBDM-1M-UW
• Center operating frequency: 1 MHz ±5%
• Beam angle: 6° (narrow beam for increased distance resolution)
• Bandwidth: 10%
• Overall sensitivity: >250 mV (measured at 10 Vp-p, 10 cycles, 70 mm)
• Minimum parallel resistance: 120 Ω ±30%
• Static capacitance: 1200 pF ±20%
• Maximum operating voltage: <200 V (pulsed, 2% duty cycle)
• Operating temperature range: 0 to 95°C
• Maximum working pressure: 1.6 MPa
• Blind zone: ≈50 mm
• Housing material: ABS
• Protection rating: IP68