The Yato YT-30551 auto level belongs to the GRF series and is factory calibrated, ready to use. It is equipped with a pneumatically damped compensator and high-quality optics, ensuring repeatable and precise measurements in all conditions.
With a measuring range of up to 110 m, accuracy of ±1 mm per 1 km of double levelling, and 1 mm height measurement precision at 30 m, it guarantees reliable results. The IP66-rated housing provides complete protection against dust and heavy rain, making it suitable for outdoor construction sites.
The set includes a tripod, 5 m surveying staff, plumb bob, Allen key, adjustment pin, calibration certificate, and transport case, offering a complete solution for professional surveyors and construction teams.
TECHNICAL DETAILS:
| Specification | Details |
| Brand | Yato |
| Model | YT-30551 |
| Series | GRF |
| Product Type | Auto Level |
| Measuring Range | 110 m |
| Minimum Measurement Distance | 1 m |
| Telescope Magnification | 32x |
| Standard Deviation (1 km double levelling) | ±1 mm |
| Accuracy (height measurement at 30 m) | 1 mm |
| Addition Constant | 0 |
| Multiplication Factor | 100 |
| Horizontal Circle Pitch | 360° / 1° |
| Compensator Range | ±15′ |
| Compensator Accuracy | ±0.5″ |
| Compensator Type | Pneumatic |
| Box Vial Accuracy | 8′ / 2 mm |
| Lens Diameter | 38 mm |
| Dimensions | 210 × 135 × 140 mm |
| Tripod Connection Size | 5/8″ (15.9 mm) |
| Working Temperature Range | -20 ~ +50 °C |
EN 
FR