Pentax ETH-302 Instruction Manual page 46

Vertical axis
Single
Sensitivity of vials
Plate vial
ETH-302
ETH-305
ETH-310
ETH-320
Circular vial
Tribrach type
Detachable
Optical plummet
Magnification
Focusing range
Power source
Type
Operation time (Alkaline)
Water resistant
IP x4
Ambient temperature
- 10 °C to + 50 °C
Height
215 mm
Dimensions
Instrument (including batteries) W168 x H330 x L158mm/4.6kg
46
30"/2 mm
30"/2 mm
40"/2 mm
40"/2 mm
8'
3 x
0.5 m to Infinity
4 x AA dry battery
(NiMH2300mAh) 25 to 28 hrs.
25 to 28 hrs.