Chasing - Distance Lock Sonar

CHASING Distance Lock Sonar is specially designed for CHASING M2 and CHASING M2 PRO ROV. It enables the ROV to achieve lock-distance inspection and automatic collision prevention, making various inspections more accurate and efficient.

Lock the Distance in Four Directions Separately

The sonar can automatically calculate the distance between it and the obstacles in the front, left, right, and bottom of the ROV. After setting the distance to the obstacles on the App, ROV can perform automatic lock-distance inspection and automatic collision avoidance.

Efficient Automatic Inspection

In the lock-distance mode, the ROV can automatically inspect from top to bottom around the fishing nets or any column-shaped facilities, thereby reducing the difficulty of underwater operations and making various inspections more accurate and efficient.

  • Application: Underwater collision avoidance and Underwater fixed range
  • Range: 0.25m - 5m
  • Blind Spot: Less than 20 cm
  • Measurement Accuracy: ±25mm
  • Resolution: 1 mm
  • Launch Angle:  13° ± 2°, 26° between axis-1 and axis-2
  • Power Supply: 10.8 VDC - 26.4 VDC (measurement range will vary depending on voltage)
  • Storage Temperature: -20 ℃ - 60 ℃ (non-frozen environment)
  • Probe Installation:  Fixed installation
  • Protection Level:  IP68
  • Sonar Installation Base (default):  64 × 64.8 × 79mm
  • Sonar Installation Base (optional):  64 × 64.8 × 153mm
  • Sonar Installation Base Weight (default):  54g
  • Sonar Installation Base Weight (optional):  108g
  • Maximum Diving Depth:  150 m
  • Size of Distance Lock Sonar:  Upper cover: 81.3 × 30mm, Housing: 79.3 × 55.9mm
  • Weight of Distance Lock Sonar:  286 ± 5 g
  • Communication:  TTL communication

We highly recommend that you have insurance when you are flying drones.  We have found that offers some of the best options for Drone Insurance.


If you are interested in Renting this product checkout our Rental website at

We work with 2 different companies for financing.  Each Organization has their own criteria for purchases.

 BNC Financial
Specializes in equipment funding from $500 and up. Follow this link to to the the financing application.

 First Pacific Funding
Financing options from $5000 and up. Follow this link to go to the financing application.

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