NEDO ET-5 Electronic Theodolite with Optical Plummet

ET-5 with optical plummet

ET-5 with laser plummet

Ref.-No.

460 812-613

460 814-613

Magnification

30x

30x

Shortest focusing distance

1.35 m

1.35 m

Clear objective aperture

45 mm

45 mm

Minimum reading

1’’ or 5’’

1’’ or 5’’

Accuracy

5’’

5’’

Angle units

degrees(0-360 ) / gon(0-400) / mil (0-6400)

degrees(0-360 )/ gon(0-400) / mil (0-6400)

Spirit level

30’’/2 mm

30’’/2 mm

Circular bubble

8’/2 mm

8’/2 mm

Connecting thread of tribrach

5/8’’ BSW

5/8’’ BSW

Operating temperature

-20°C to +50°C

-20°C to +50°C

Power supply

4 x 1.5 V AA or rechargeable batteries

4 x 1.5 V AA or rechargeable batteries

Magnification optical plummet

3x

Accuracy optical plummet

± 0.5 mm/1.5 m

Accuracy laser plummet

<1 mW, laser class 2, 650 nm

Accuracy laser plummet

± 1.5 mm/1.5 m

Protection class

IP 54

IP 54