GEO-ALLEN CO.,LTD.
Punctuality, Quality, Rigor, and Service (P/Q/R/S)
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Main Features and Use:
The telecope is inner focusing with sharp image. Therule is easy to read estimat with high reading precision. The vertical axis is semi-mobile, turing smoothly, high directional preision.
The horizontal standard deviation of one measurement is not larger than ±6″,the vertical standard deviation of one measurement is no langer than ±10°.
The instrument is mainly used for low level control measurement,engineering measurement, wire measurement and construction measurement etc.
Specifications
| 1. Telescope: | J6E( Erect Image ) |
| Magnification: | 30X |
| Clear Objective Aperture: | φ40mm |
| Field of view: | 1°20′ |
| Shortest Focusing Distance: | 2m |
| Multiplication Factor: | 100 |
| Additive Constant: | 0 |
| 2. Reading microscope (Scale): | |
| Granduation Interval: | 1° |
| Smallest Interval Reading: | 1′ |
| Estimation: | 0.1′ |
| 3.Bubble Sensitivity: | |
| Plate level: | 30″/2mm |
| Index level: | 30"/2mm |
| Circular level: | 8′/2mm |
| 4.Optical Plummet: | |
| Magnification: | 0.85~1.7x |
| Field of View: | 4° |
| Focusing Distance(from the head plane): | 0.8~1.5m |
| Net weight: | 3.5kg |
