|
Model |
NTS-322 |
NTS-325 |
NTS-352 |
NTS-355 |
|
Memory |
8000 Points |
8000 Points |
8000 Points |
8000 Points |
|
Telescope |
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|
Image |
Erect |
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|
Magnification |
30× |
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|
Objective Aperture |
45mm (EDM: 50mm) |
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|
Tube Length |
154mm |
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|
Resolution Power |
4" |
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|
Field of View |
1°30' |
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|
Shortest Focusing Distance |
1m |
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|
Multiplication Constant |
100 |
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|
Additive Constant |
0 |
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|
Stadia Accuracy |
≤0.4%D |
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| Angle Measure | ||||
|
Accuracy (DIN18723) |
2" |
5" |
2" |
5" |
|
Reading System |
Incremental Photo-electronic Encoder |
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|
Detecting Method (HZ/V Angle) |
Dual |
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|
Circles (HZ/V) |
Ø79mm |
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|
Min. Reading |
1" or 5" |
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|
Unit |
360°/400Gon/6400mil selectable |
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|
Distance Measure (under normal weather condition) |
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|
with Single Prism |
1800m |
1600m |
1800m |
1600m |
|
with Triple Prisms |
2500m |
2300m |
2600m |
2300m |
|
Accuracy |
±(3mm+2ppm×D) |
±(2mm+2ppm×D) |
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|
Maxi/Min. Count |
Max: 999999.999m; Min: 1mm |
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|
Distance Unit |
M or Ft selectable |
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|
Measuring Time |
6"-Single Shot; 3"-Repeated; 1"-Tracking |
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|
Circular/Plate Bubbles |
Circular: 8'/2mm; Plate: 30"/2mm |
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| Atmospheric Correction | ||||
|
Temperature |
°C or °F |
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|
Air Pressure |
hPa/mmHg/inHg |
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|
Atmospheric Deflection & Earth Curvature |
K=0.14/0.20/0 selectable |
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|
Prism Constance |
0mm/30mm |
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| Optical Plummet | ||||
|
Image |
Erect |
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|
Magnification |
3× |
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|
Field of View |
5° |
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|
Focusing Range |
0.5m ~ ∞ |
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| Vertical Compensator | ||||
|
Type |
Liquid-eletric Detection/Plate Level |
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|
Resolution |
±1" |
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|
Plate Level |
30"/2mm |
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|
Working Range |
±3' |
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|
Display |
LCD: 2-sided, 4-lines (illuminated Panels) |
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|
Data Port (Interface) |
RS-232C |
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| Power Supply | ||||
|
Battery NB-20A |
Rechargeable Ni-H; Output: DC 6V |
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|
Operating Time |
3hrs (with small battery: NB-10A) or |
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|
Charger |
220V or 110V, 50HZ |
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|
Ambient Temperature |
-20°C ~ +45° C |
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|
Tribrach |
Detachable |
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|
Standard Accessories |
Refer to ET-02/ET-05 |
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|
Central Thread |
5/8”×11 |
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|
Recommended Tripod |
Heavy-duty Tripods |
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|
Packing Details |
1pc per Carton; 12kgs per Carton; |
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| Note: Any updating may occur without prior notice | ||||
