Product Overview
The BBDM-50KR8MLT measures air distance from 0.3 to 8 m and operates at temperatures down to -40°C. Its IP67 construction and built-in 10 kΩ thermistor support cold storage, cold-climate outdoor equipment, industrial level measurement and ranging systems requiring temperature compensation.
Key Features
- Reference detection range of 0.3 to 8 m
- Operating temperature from -40 to 70°C
- IP67 protection
- Built-in 10 kΩ thermistor
- ABS or PVDF housing
- Four-core shielded cable connection
Technical Specifications
| Parameter | Specification |
|---|---|
| Center frequency | 50 kHz |
| Bandwidth | ±4% |
| Reference detection range | 0.3 to 8 m |
| Blind zone | <0.3 m |
| Beam angle (-3 dB) | 12° ±2° |
| Overall sensitivity | ≥-72 dB at 300 Vp-p, 50 cycles and 1 m separation |
| Electrostatic capacitance | 160 pF ±20% |
| Minimum parallel impedance | 300 Ω ±30% |
| Maximum operating voltage | <800 V at 2% pulse duty cycle |
| Operating temperature | -40 to 70°C |
| Protection rating | IP67 |
| Dimensions | Φ54 × 108 mm |
| Mounting | Circumference fixing |
| Housing material | ABS or PVDF |
| Temperature element | MF58-10K-5%-3435 thermistor |
| Wiring | Red: positive; yellow: negative; blue/green: temperature; silver: shield |
Applications
- Cold storage and cold-chain equipment
- Outdoor ranging in cold climates
- Industrial level and height measurement
- Ultrasonic measurement requiring temperature compensation
- OEM low-temperature ranging systems
Selection Information
For selection, specify the range, minimum operating temperature, target size, mounting interface, drive voltage and cable length.