| Place of Origin | Taiwan |
| Brand Name | SENTRY OPTRONICS CORP. |
| Model Number | ST513 |
| Power | Electronic |
| Sensor Designation | UVAB |
| Measuring range | 290~370 mm |
| Memory | 20 points |
| Feature | Automatic measuring |
| Low battery indicator | YES |
| Weight | 202 g |
| Dimension | 140*49*29 mm |
| Sensor probe | 165*50*36 mm |
| Power supply | 9V Battery |
Taiwan Ban-Ciao Dist., Sanmin Rd., Sec. 1, No.122, 3F
Contact Person Ms. Vanessa Lu