Pipeline Inspection Sonar Series
The J-Series Pipeline Inspection Sonar is primarily used for rapid inspection and diagnosis inside municipal drainage pipelines. During operation, it can generate cross-sectional images of the pipeline without the need to drain the liquid inside, allowing for intuitive visualization of the pipeline wall and sediment conditions.
With relevant functional expansion modules, it can integrate CCTV video inspection and sonar inspection into one system, enabling simultaneous detection above and below the waterline.
physical image
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L-1 |
L-2 |
L-3 |
Usage effect

Application field

technical indicators
| indicator name | indicator value |
| Sonar probe | Frequency: 2.25MHz, taper: 1.4 °, 360 ° scan |
| measurement range | 0.25-6m |
| range resolution | 1/250 of full scale; 0.25m:1mm; 0.5m:2mm 0.75m:3mm; 1m-6m:2mm |
| range | 0.25m,0.50m,0.75m,1m,2m,3m,4m,5m,6m |
| step distance | 0.45°,0.9° |
| Maximum working depth | 600m (customizable for higher voltage resistance) |
| cable | Standard configuration: 1.5 meters (length can be customized) |
| interface | BHJ-1: RS-485 interface BHJ-2/BHJ-3: 100Mbps Ethernet interface |
| power supply | 20-24V DC, not less than 5 watts |
| size | Diameter 79.4mm, total length 273mm (BHJ-1) Diameter 68mm, total length 203mm (BHJ-2) Diameter 56mm, total length 100mm (BHJ-3) |
| material | Special aluminum and polyurethane |
| software | Self developed Chinese software |







