This is the instruction manual of TOPCON RL-H3C rotating laser.
The RL-H3C rotating laser is a Class 2 visible‑laser instrument designed for precise layout and leveling tasks. The manual outlines general handling precautions, storage recommendations, and safety warnings to prevent injury, fire, or equipment damage.
It details how to power on the device, select precision modes, perform horizontal and vertical calibrations, and interpret error codes. Battery replacement, cleaning, and environmental limits are also covered, followed by a full specification table for quick reference.
| Accuracy | ±3.6mm/50m (±15 ”) |
|---|---|
| Automatic correction range | ±3° |
| Beam detecting range | Approx. 2m~300m diameter (6ft~980ft) |
| Rotational speed | 600 r.p.m |
| Laser power output | 0.8mW (Max.) |
| Power supply | Four C size alkaline manganese dry batteries |
| Operating time | Approx. 60 hours at +20°C (+68°F) |
| IP rating | IP56 |
| Operating temperature | -20°C~+50°C (-4°F~+122°F) |
| Dimensions | 167(L)×182(W)×189(H) mm (6.5×7.1×7.4 in) |
| Weight | 1.9 kg (4.1 lb) |
Remove the batteries and keep the instrument dry; never store a damp instrument.
The power turns off automatically if no laser beam is detected for about 30 minutes.