Key facts
- Brand
- Topcon
- Model
- RL-H3C
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-05
Start here

TOPCON RL-H3C Rotating Laser User Manual
This manual introduces the TOPCON RL-H3C Rotating Laser, covering basic operation, safety precautions, and handling instructions. It lists the standard package components, explains laser safety classifications, and describes how to power the instrument and use the level sensor.
Detailed sections guide users through battery replacement, calibration of the X and Y axes, error code troubleshooting, and provide full technical specifications such as accuracy, beam range, and environmental limits.
TOPCON RL-H3C specifications
| Accuracy | ±3.6mm/50m (±15 ") |
|---|---|
| Automatic correction range | ±3° |
| Beam detecting range | Approx. 2m~300m diameter (6ft~980ft) |
| Rotational speeds | 600 r.p.m |
| Laser source | Laser diode (Visible, 650nm) |
| Laser power output | 0.8mW (Max.) |
| Laser class | Class 2 laser product |
| Power supply | 4 x C size dry cell batteries (alkaline) |
| Operating time | Approx. 60 hours at +20°C |
| Protection rating | IP56 |
| Operating temperature | -20°C~+50°C |
| Dimensions | 167(L)×182(W)×189(H) mm |
| Weight | 1.9 kg (including dry batteries) |
All TOPCON RL-H3C documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What laser classification does the RL‑H3C have?
It is classified as a Class 2 laser product.
How is the auto shut‑off delay defined?
The instrument powers off automatically after approximately 30 minutes without beam detection.
How should the batteries be stored when the instrument is not in use?
Remove the batteries and keep the instrument dry; never store a damp instrument.
What does the auto shut‑off function do?
The power turns off automatically if no laser beam is detected for about 30 minutes.
