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Automatic Levels (AT-G Series)

Automatic Levels (AT-G Series)
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AUTOMATIC LEVELS Surveying and engineering Automatic Levels n Waterproof sealed telescope construction n Angular reading to 10 mins. n Dual speed focusing n Clampless fine adjustment AT-G Series

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Optional accesories Diagonal eyepieces By using the diagonal eyepiece in place of the standard telescope eyepiece means that easier viewing is possible for low setup positions or in confined spaces. Illuminator-5 Provides light to the telescope reticle when insufficient light is available, for example in tunnels or at night. Optical micrometer Get greater accuracy from AT-G series auto levels using the optical micrometer. During a one kilometre double levelling run, accuracy can be improved to ±0.4 mm. The optical micrometer attaches to front of objective lens with a counter weight attached...

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4 3 2 1 5 1 2 3 4 Rapid instrument set-up Very fast instrument set-up is possible using a dome head tripod. The base plate is specially shaped for fixing on top of dome head tripods. Ergonomic Focus Adjustment Lightweight, composite, dry-nitrogen charged body Fine Horizontal Adjustment Rapid Levelling System Rubber Eyepiece Cap Horizontal Circle reading to 10’ (AT-G1) 6 6 5

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Angular reading to 10 minutes (AT-G1) The model AT-G1 has a glass horizontal circle which is graduated in 10 minute (10c) divisions and every degree (one grade) from 0° to 360° (0 g to 400 g). Readings are made possible through a 25 x microscope, with only a slight shift of the eye, from the telescope eyepiece. The horizontal circle freely rotates for zero alignment. Rubber eyepiece cap Sighting through Topcon’s AT-G series is safe for anyone who wears spectacles. With their protective rubber eyepiece caps, scratches and abrasions are reduced or eliminated completely. Rapid, stable...

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SPECIFICATIONS* AT-G1 AT-G2 AT-G3 TELESCOPE Length 229 mm 229 mm 230 mm Image erect erect erect Magnification 32 x 32 x 30 x Objective lens 45 mm 45 mm 40 mm Relative brightness 1.98 1.98 1.78 Field of view 1°20’ 1°20’ 1°30’ Resolving power 2.5“ 2.5“ 3.0“ Minimum focus 1.0 m 1.0 m 0.5 m Stadia constant 0 m 0 m 0 m Stadia ratio 100 100 100 CIRCULAR LEVEL Sensitivity 8’ / 2 mm 8’ / 2 mm 8’ / 2 mm AUTOMATIC LEVELING Without optical micrometer ±0.7 mm ±0.7 mm ±1.5 mm With optical micrometer ±0.4 mm ±0.4 mm ±1.0 mm HORIZONTAL CIRCLE Diameter 90 mm 117 mm 117 mm Minimum division 10’ (0.1 g) 1° (1...

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Your local authorised Topcon distributor is: grafit-werbeagentur.de The Leader in Positioning Technology ... Topcon is the worldwide leading developer and manufacturer of precision positioning equipment and offers the widest selection of innovative precision GPS systems, laser, optical surveying, machine control, GIS and agriculture products. T170EN - English - A www.topcon.eu

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