DISTANCE MEASUREMENT |
Range with Nikon specified prisms (Good conditions) With reflector sheet 5 cm x 5 cm ( 2 in x 2 in) |
Nivo3.M |
1.5 m to 300 m (4.9 ft to 984 ft) |
With single prism 6.25 cm (2.5 in) |
Nivo3.M |
1.5 m to 5,000 m (4.9 ft to 16,404 ft) |
Range reflectorless mode |
Nivo3.M |
Goodi |
Normaliv |
Difficultv |
KGCiii (18%) |
280 m (920 ft) |
250 m (820 ft) |
200 m (656 ft) |
KGCiii (90%) |
500 m (1,640 ft) |
500 m (1,640 ft) |
300 m (984 ft) |
Shortest possible range |
1.5m (4.9 ft) |
Accuracyvi (Precise mode) ISO17123-4 |
Prism |
±(2+2 ppm × D) mm |
Reflectorless |
±(3+2 ppm x D) mm |
Measuring intervalvii |
Prism mode |
Precise mode |
Normal mode |
Nivo3.M |
1.5 s |
0.8 s |
Reflectorless modeviii |
Nivo3.M |
1.8 s |
1.0 s |
Least count |
1 mm (0.002 ft) |
10 mm (0.02 ft) |
ANGLE MEASUREMENT |
ISO 17123-3 accuracy (horizontal and vertical) |
3"/1 mgon Nivo3.M |
Reading system |
Absolute encoder |
Circle diameter |
62 mm (2.4 in) |
Horizontal/Vertical angle |
Diametrical Nivo3.M |
Minimum increment |
Degree: 1/5/10" Gon: 0.2/1/2 mgon MIL6400: 0.005/0.02/0.05 mil |
TELESCOPE |
Tube length |
125 mm (4.9 in) |
Image |
Erect |
Magnification |
30× (18x/36x with optional eyepieces) |
Nivo3.M Effective diameter of objective |
45 mm (1.8 in) |
Nivo3.M EDM diameter |
.50 mm (2.0 in) |
Field of view |
1°20' |
Resolving power |
3" |
Minimum focusing distance |
1.5 m (4.9 ft) |
Laser Pointer |
Coaxial Red Light |
TILT SENSOR |
Type |
Dual-axis |
Method |
Liquid-electric detection |
Compensation range |
±3.5' |
COMMUNICATIONS |
Communication ports |
1 x serial (RS-232C) |
Wireless communications |
integrated Bluetooth |
POWER |
Internal Li-ion battery (x2) |
Output voltage |
3.8 V DC |
Operating timeix Nivo3.M |
approx. 10 hours (continuous distance/angle measurement) approx. 26 hours (distance/angle measurement every 30 seconds) approx. 31 hours (continuous angle measurement) |
Charging time Full charge |
4 hours |
GENERAL SPECIFICATIONS |
Level vials |
Sensitivity of circular level vial |
10'/2 mm |
Optical plummet |
Image |
Erect |
Magnification |
3× |
Field of view |
5° |
Focusing range |
0.5 m (1.6 ft) to ∞ |
Display face 1 |
backlit, graphic LCD (128x64 pixel) |
Display face 2 |
backlit, graphic LCD (128x64 pixel) |
Laser plummet (optional) |
4 levels |
Point memory |
10,000 records |
Dimensions (W x D x H) |
149 mm x 145 mm x 306 mm (5.8 in x 5.7 in x 12.0 in) |
Weight (approx.) Nivo3.M Main unit (without batteries) |
3.7 kg (8.1 lb) |
Battery |
0.1 kg (0.2 lb) |
ENVIRONMENTAL |
Operating temperature range |
–20 °C to +50 °C (–4 °F to +122 °F) |
Storage temperature range |
–25 °C to +60 °C (–13°F to +140 °F) |
Atmospheric correction |
Temperature range |
–40 °C to +60 °C (–40 °F to +140 °F) |
Barometric pressure |
400 mmHg to 999 mmHg/533 hPa to 1,332 hPa/15.8 inHg to 39.3 inHg |
Dust and water protection |
IP66 |