Brand: SONY
Category: Measurement Device
Document Type: Manual
Language: EN
Manual for LH51 / LH52
Uploaded: Nov. 21, 2025, 6:19 p.m.
Manual Publish Date: 1997-01-01
Warranty Information
No specific warranty period is mentioned in the provided pages.
Basic Operation Summary
This manual covers the operation of the SONY LH51/LH52 display units. Key operations include:
- Initial Settings: Setting resolution, polarity, minimum display unit, linear compensation, and other parameters before operation.
- Powering On/Off and Resetting: Basic key operations for turning the unit on/off and resetting values.
- Mode Selection: Switching between Absolute (ABS) and Incremental (INC) modes, as well as specialized modes like Bolt hole circle/Simple R cutting and Absolute zero point detection.
- Data Handling: Preset data recall, data storage, and mid-point calculation.
- Axis Operations: Selecting axes (X, Y, Z) for commands and inputting values.
- Lathe Functions (LH52): Tool coordinating and adding functions for lathing applications.
- Milling Functions (LH51): Bolt hole circle and simple R cutting functions.
Refer to specific sections for detailed procedures on each function.
Troubleshooting and error codes
| Display | Meaning | Cause |
|---|---|---|
| Error | Scale disconnected | When the scale is not connected: Turn off the unit, connect the scale, and turn it back on. The display will reset to "0". For LH52 Z-axis error: Adjust display settings as per section 5-1-17 if the third axis is not used. |
| F000000 | Excessive speed | The scale moved faster than the display unit's maximum response speed. (This alarm also triggers with strong machine vibrations.) |
| SONY (blinking) | Overflow | 'F' is displayed at the most significant digit when the display overflows. |
| Faulty memory data | Memory data corrupted by noise. |