Topcon DT309

Topcon 9-Second Digital Theodolite DT-309

Measures horizontal and vertical angles
9-second accuracy
2.5-inch telescope resolving power
Dual axis compensator
Compensating Range: +/- 3
Absolute encoder
Reticle illumination
Optical plummet
Detachable tribrach
RS232C serial port
Water resistant and dustproof to IP-66
Dual backlit LCD display
Up to 140-hour battery life
Easy-to-use LCD backlit display
Long-lasting Li-ion or AA battery life Powered by the Topcon BDC Li-Ion platform!
Removable handle
Operating Temp: -20°C – 50°C
Storage Temp: -30°C – 60°C