Overview
The CHASING Laser Scaler is an add-on for underwater size and length estimation. It projects two red laser dots spaced 10 ± 0.5 cm apart to help divers and ROV operators gauge dimensions such as aquaculture specimens or the length of cracks in boats, dams, and other structures. Compact and light (≈190 g), the module mounts to CHASING ROVs and operates reliably from -10 °C to 45 °C.
Key Features
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Fast underwater range-finding: Dual red beams with fixed 10 cm spacing provide immediate visual scale in photos and live video.
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Clear visibility: 3–5 mm beam exit diameter for crisp reference points.
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Field-ready build: Lightweight ≈190 g unit with a compact 132 × 70 × 36.5 mm form factor.
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Wide operating window: -10 °C ~ 45 °C working temperature for varied environments.
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Simple integration: Designed for CHASING M2 S, CHASING M2 PRO, and CHASING M2 PRO MAX.
Specifications
| Item | Value |
|---|---|
| Size | 132 × 70 × 36.5 mm |
| Weight | ≈190 g |
| Working Temperature | -10 °C ~ 45 °C |
| Beam Exit Diameter | 3–5 mm |
| Laser Spacing | 10 ± 0.5 cm |
| Laser Color | Red |
Compatibility
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CHASING M2 S
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CHASING M2 PRO
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CHASING M2 PRO MAX
What’s in the Box
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Laser Scaler ×1
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M3×8 screws ×10
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Document package ×1
Typical Applications
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Measuring the size of aquaculture products underwater
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Estimating the length of cracks or defects in hulls, dams, and concrete structures
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Providing a known scale for inspection photos and video documentation
Notes
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The CHASING Laser Scaler supplies a visual reference scale; measurements are derived from camera images using the known 10 cm spacing between dots.
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Always follow local regulations and safety practices for laser use.
Details

CHASING Laser Scaler is specially designed for underwater range-finding. It uses eight red laser beams spaced 10cm apart to estimate sizes of aquaculture products, lengths of boat and dam cracks, and more.

Measure aquaculture products, crack lengths, and more with this quick and easy-to-use underwater range-finding chaser laser scaler. Reduce manual operation risks and costs with its fast and accurate measurements.

Laser Scaler: 132x70x36.5mm, 190g, -10°C to 45°C, 3-5mm beam, 10±0.5cm spacing, red laser.

Laser scaler, 10 M3x8 screws, and a document package included in the box.
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