Nikon DTM-502 Series Instruction Manual page 172

Tribrach:
Level vial sensitivity
DTM-552
Plate level vial:
Circular level vial:
DTM-532
Plate level vial:
Circular level vial:
DTM-522
Plate level vial:
Circular level vial:
Optical plummet
Image:
Magnification:
Field of view:
Focusing range:
Display/key
Type:
Connections in the base of instrument
Communications:
External power supply:
Battery pack BC-80
Output voltage:
Continuous operation time:
Environmental performance
Operating temperature range:
Storage temperature range:
Dimensions
Main unit:
Carrying case:
Detachable
20''/2mm
10'/2mm
30''/2mm
10'/2mm
30''/2mm
10'/2mm
Erect
3X
5°
0.5m ~ Infinity /1.6ft ~ Infinity
Graphic LCD 128 x 64 with backlight
illumination with 25 keys
Both face-left and -right sides of all
models are equipped with display/key.
Type RS-232C
Baud 38400 Max. ASYNC
Input voltage DC 7.2 ~ 11V
DC7.2V, rechargeable
10.5hours
(angle/distance measurements)
-20°C ~ +50°C/-4°F ~ +122°F
-25°C ~ +60°C/-13°F ~ +140°F
166 (W) x 156 (D) x 365 (H)mm
488 x 282 x 261mm
5
5-3