| Model |
NPR-362,
NPR-352, NPR-332 |
| DISTANCE
MEASUREMENT |
| Reflectorless
mode (white
target)*1 |
1.5 m to 300 m (4.9 ft to 980 ft) |
| Range with Nikon specified
prisms |
|
| Good conditions (No
haze, visibility over 40 km (25 miles)) |
| With reflector sheet (5 × 5
cm) |
1.5 m to 270 m (4.9
ft to 885 ft) |
| With single
prism 6.25 cm (2.5 in) |
3,000 m (9,840 ft) |
| Normal
conditions (Ordinary haze, visibility approx. 20 km (12.4 miles)) |
| With reflector
sheet (5 x 5 cm) |
1.5
m to 270 m (4.9 ft to 885 ft) |
| With
single prism 6.25 cm (2.5 in) |
3,000
m (9,840 ft) |
| Accuracy (Precise
mode) |
| Prism |
±(2+2
ppm × D)
mm (NPR-362/352 )*4
±(3+2
ppm × D) mm
(NPR-332)*5 |
| Reflectorless
/Reflector sheet*5 |
±(3+2
ppm × D) mm |
| Measuring interval*2 |
| Prism
mode |
| Precise
mode |
1.5 sec. |
| Normal
mode |
0.8 sec. |
| Reflectorless
mode |
| Precise
mode |
1.8 sec. |
| Normal
mode |
1.0 sec. |
| Least count |
| Precise
mode |
1 mm
(0.002 ft) |
| Normal
mode |
10 mm
(0.02 ft) |
| ANGLE MEASUREMENT |
| DIN
18723 accuracy (horizontal and vertical) |
3"/1
mgon (NPR-362)
5"/1.5 mgon (NPR-352/332) |
| Reading
system |
Photoelectric
detection by incremental encoder |
| Circle
diameter |
88 mm
(3.46 in) |
| Horizontal angle |
Diametrical
(NPR-362/352)
Single (NPR-332) |
| Vertical angle |
Single |
| Minimum
increment (Degree, Gon, MIL6400) |
Degree:
1/5/10"
Gon: 0.2/1/2 mgon
MIL6400: 0.005/0.02/0.05 mil |
| TELESCOPE |
| Tube Length |
158 mm
(6.22 in) |
| Image |
Erect |
| Magnification |
33× (21×/X41
with optional eyepieces) |
| Effective diameter of objective |
45 mm (1.77 in) |
| EDM |
50 mm
(1.97 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
(NPR-362/352)
Single-axis (NPR-332) |
| Method |
Liquid-electric
detection |
| Compensation
range |
±3' |
| Setting
accuracy |
1" |
| COMMUNICATIONS |
| Communication
ports |
1 x
serial (RS-232C) |
| POWER |
Clip-on BC-65 NiMH battery
|
| Output
voltage |
7.2
V DC |
| Operating
time*3 |
approx.
8 hours (continuous distance/angle measurement)
approx. 16 hours (distance/angle measurement every 30 seconds)
approx. 30 hours (continuous angle measurement) |
| Charging time |
| Full
charge |
3 hours |
| GENERAL SPECIFICATIONS |
| Level vials |
| Sensitivity
of Plate level vial |
30"/2
mm |
| Sensitivity
of Circular level vial |
10'/2
mm |
| Optical plummet |
| Image |
Erect |
| Magnification |
3x |
| Field
of view |
5° |
| Focusing
range |
0.5
m (1.6 ft) to ∞ |
| Display |
Both
sides, graphic LCD (128 × 64 pixel) (NPR-362/352)
Single side, graphic LCD (128 x 64 pixel) (NPR-332) |
| Point memory |
10,000
records |
| Dimensions (W x D x
H) |
168
mm x 173 mm x 347 mm
(6.6 in x 6.8 in x 13.7 in) |
| Weight (approx.) |
| Main unit (without
battery) |
5.0 kg
(11.0 lb) (NPR-362/352)
4.9 kg (10.8 lb) (NPR-332) |
| BC-65 battery |
0.4 kg (0.9 lb) |
| Carrying case |
4.4 kg (9.7 lb) |
| ENVIRONMENTAL |
| Ambient temperature range |
–20 °C
to +50 °C (–4 °F to +122 °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 |
IP56 |
| CERTIFICATION |
Class B Part 15 FCC certification,
CE Mark approval.
Laser safety IEC 60825-1 am2:2001
Reflectorless mode: Class 3R
Laser Pointer: Class 3R
Prism mode: Class 1 |
