Spectra Precision Nikon NPL-322 - Manual (Page 2)

Distance measurement
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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 200 m (4.9 ft to 787 ft)
With single prism 6.25 cm (2.5 in):
3,000 m (9,840 ft)
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Range reflectorless mode
- KGC (18%) 1
Good: 250 m (820 ft)
Normal: 200 m (656 ft)
Difficult: 150 m (492 ft)
- KGC (90%) 1
Good: 400 m (1312 ft)
Normal: 350 m (1148 ft)
Difficult: 250 m (820 ft)
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Accuracy ISO 17123-4 (Precise mode)
- Prism 2 : ±(2+2 ppm × D) mm
- Reflectorless/Reflector sheet 3 :
±(3+3 ppm × D) mm
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Measuring interval 4
- Prism mode
Precise mode: 1.8 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
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ISO 17123-3 accuracy (horizontal and
vertical): 2”/0.6 mgon, 5”/1.5 mgon
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Reading system: Photoelectric detection
by incremental encoder
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Circle diameter: 88 mm (3.46 in)
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Horizontal angle: 2”:Diametrical, 5”:Single
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Vertical angle: Single
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Minimum increment (Degree, Gon, MIL6400):
Degree: 1/5/10”, Gon: 0.2/1/2 mgon,
MIL6400: 0.005/0.02/0.05 mil
Telescope
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Tube length: 125 mm (4.9 in)
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Image: Erect
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Magnification: 30×
(18x/36x with optional eyepieces)
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Effective diameter of objective: 45 mm (1.77in)
- EDM: 50 mm (1.97 in)
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Field of view: 1°20’
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Resolving power: 3”
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Minimum focusing distance: 1.5 m (4.9 ft)
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Laser Pointer: Coaxial Red Light
Tilt Sensor
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Type: Single-axis
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Method: Liquid-electric detection
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Compensation range: ±3’
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Setting accuracy: 1”
Communications
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Communication ports: 1 x serial (RS-232C)
General Specifications
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Level vials
- Sensitivity of Plate level vial: 30”/2 mm
- Sensitivity of Circular level vial: 10’/2 mm
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Optical plummet
- Image: Erect
- Magnification: 3×
- Field of view: 5°
- Focusing range: 0.5 m (1.6 ft) to ∞
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Display:
2”:Both sides, backlit, graphic LCD
(128 × 64 pixel),
5”:Single side, backlit, graphic LCD
(128x64 pixel)
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Point memory: 10,000 records
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Dimensions (W x D x H): 168 mm x 173 mm x
355 mm (6.6 in x 6.8 in x 13.1 in)
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Weight (approx.)
- Main unit (without battery): 4.9 kg (10.8 lb)
- BC-65 battery: 0.1 kg (0.2 lb)
- Carrying case: 2.5 kg (5.5 lb)
- Dual charger and AC adaptor: 0.6 kg (1.3 lb)
Power
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Clip-on Li-on battery
- Output voltage: 3.8 V DC
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Operating time 5
- approx. 4.5 hours
(continuous distance/angle measurement)
- approx. 11 hours (distance/angle
measurement every 30 seconds)
- approx. 22 hours
(continuous angle measurement)
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Charging time
- Full charge: 4 hours
- External power supply: N/A
Environmental
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Ambient temperature range: –20 °C to +50 °C
(–4 °F to +122 °F)
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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
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Dust and water protection: IP54
Certification
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Class B Part 15 FCC certification,
CE Mark approval.
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Laser safety IEC60825-1:2007
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Reflectorless mode: Class 1
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Laser Pointer: Class 2
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Prism mode: Class 1
(1) Kodak Gray Card, Catalog number E1527795
(2) ±(2+3 ppm × D) mm –20 °C to –10 °C, +40 °C to +50 °C
(–4 °F to +14 °F, +104 °F to +122 °F) 1.5m to 5m ± (5 + 3
ppm × D) mm
(3) 1.5m to 5m ± (10 + 3 ppm × D) mm
(4) Measuring time may vary depending on measuring distance
and conditions. For the initial measurement, it may take a
few seconds.
(5) Battery life specification at 25 °C (77 °F). Operation time
may be shorter if battery is not new. Operation time may be
shorter in low temperatures.
Nikon NPL-322 Series Total Stations
Specifications subject to change without notice.
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