| Brand | Yato |
| Entity responsible for this product in the EU | TOYA S.A.More |
| Series | GRF |
| Measuring range | 110 m |
| Minimum measurement distance | 1 m |
| Telescope magnification | 32x |
| Standard deviation per 1 km of double levelling | ±1 mm |
| Accuracy of height measurement for a single measurement at 30 m | 1 mm |
| Addition constant | 0 |
| Multiplication factor | 100 |
| Horizontal wheel: pitch / pitch interval | 360 / 1 ˚ |
| Compensator range | ±15' |
| Accuracy of the compensator | ±0.5" |
| Type of compensator | pneumatic |
| Accuracy of the box vial | 8′ / 2 mm |
| Dimensions | 210x135x140 mm |
| Lens diameter | 38 mm |
| Tripod connection size | 5/8" (15.9 mm) |
| Tripod included | yes |
| Working temperature range | -20 ~ +50 ˚C |
| Storage temperature | -20 ~ +50 ˚C |
| Protection grade | IP66 |
| Weight | 1.4 kg |
| Set includes | leveller, tripod, surveying patch, vertical, adjustment pin, Allen spanner, transport case |
| Symbol | YT-30551 |
Optical leveller for surveying and construction, complete with tripod and 5 m surveying staff. Factory calibrated, ready to use. Equipped with an IP66-rated housing, which means complete protection against dust and heavy rain. Top-quality optics, a pneumatically damped compensator and a working range of up to 110 metres guarantee repeatable, precise operation in all conditions.
- Coverage: 110 m (within 1 to 55 metres)
- height measurement accuracy in a single measurement: 1.0 mm/30 m
- deviation per 1 km of double levelling: ± 1.0 mm
- accuracy of the box vial: 8′/2 mm
- pneumatic compensator
- compensator levelling range: ±15′
- image: vertical
- scope magnification: 32 x
- field of vision: 1°20'
- lens diameter: 38mm
- minimum measurement distance: 1m
- multiplication factor: 100, accuracy 0.5''
- pitch, horizontal circle: 1°
- Waterproof: IP66
- Tripod mount: 5/8''
- weight: 1.4kg
- tripod, surveying staff, shock-absorbing plastic case, plumb bob, allen key, adjustment pin, calibration certificate, instruction manual
