Customization: | Available |
---|---|
Magnification: | 30 &Times |
Angle Measuring Mode: | Absolute Encoder |
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Model | DT402 | DT405 | DT402L | DT405L |
Telescope | ||||
Objective lens | 45mm | |||
Magnification | 30× | |||
Image | Erect | |||
Field of view | 1°30′ | |||
Minimum focus | 1m | |||
Stadia constant | 0 | |||
Stadia ratio | 100 | |||
Angle measurement | ||||
Method | Absolute Encoder | |||
Mininum reading | 1″/5″/10″/20″or 0.2mgon/1mgon/2mgon | |||
Accuracy*2 | 2" | 5" | 2" | 5" |
Compensating Range | ± 3′ | |||
Compensations setting accuracy | 1" | |||
Diameter of circle | 79mm | |||
Display | LCD on double sides | |||
Illumination | Reticle,LCD display back light | |||
Plate level | 30"/mm | |||
Circular level | 8'/mm | |||
Optical Plummet | ||||
Image | Erect | / | ||
Magnification | 3× | |||
shortest focus | 0.5m | |||
Accuracy | ±0.8mm/1.5m | |||
Laser plummet | ||||
Accuracy | / | ±1.0mm/1.5m | ||
Laser class | class 2*(IEC 60825-1) | |||
Laser wave | 635nm | |||
Power | ||||
Battery | 6V Ni-Mh rechargable battery or 4pcs of AA battery | |||
Operating time | 35 hrs(backlight on);50hrs (backlight off) | |||
Others | ||||
Serial interface | RS-232C | |||
Dimension | 153*175*340mm | |||
Weight | ≤4.5kg | |||
Operating temperature | -20ºC - +50ºC | |||
Water and Dust Protection | IP55 |