FEATURES
■ Handy EDM Head
■ Complete Application Programs
■ Extended Internal Memory (Max. 17000 Points)
■ Convenient Data Management System
■ Superior Waterproof & Dustproof Capabilities
■ Min. Reading 0.1mm
Distance measurement (visible laser)
- Type …………… red laser
- carrier wave …………… 0.670μm
- Measuring system …………… Basic frequency 60MHZ
- EDMtype …………… coaxial
- Display (least count) …………… 1mm
- Laser facula …………… approx.7×14㎜ / 20m（reflectorless mode only）
approx.10×20㎜ / 50m
- Accuracy
With reflector:
| EDM measuring program | Accuracy Standard deviation | Time per measurement |
| fine | 2㎜＋2ppm | ＜1.8s |
| fast | 3㎜＋2ppm | ＜1.2s |
| tracking | 5㎜＋2ppm | ＜0.8s |
| IR-tape | 5㎜＋2ppm | ＜1.2s |
Without reflector:
| EDM measuring program | Accuracy Standard deviation | Time per measurement |
| Reflectorless fine | 5＋2ppm | ＜1.2s |
| Reflectorless tracking | 10＋2ppm | ＜0.8s |
h.Range
With reflector
| Atmospheric conditions | Standard prism | Reflector tape |
| 5km(Haze) | 1000m | 300m |
| 20km(Good weather) | 5000m | 800m |
Without reflector
| Atmospheric conditions | No reflector（white target）※ | No reflector (grey,0.18) |
| Object in strong sunlight, severe heat shimmer | 160m | 100m |
| Object in shade, or sky overcast | 200m | 120m |
Kodak Grey Card used with exposure meter for reflected light
Other Specification
| Display | Max：999999.999ｍ Min：0.１ｍｍ |
| Unit | m/ft Selectable |
| Average measuring times | The average value of２～255 times |
| Meteorologic Correction | Manual input, Auto correction |
| Atmospheric refraction and
earth curvature correction | Manual input, Auto correction
K=0.14/0.2 Selectable |
| Reflection prism correction | Manual input, Auto correction |
Telescope
Image Erect
Magnification ３０×
Effective aperture ４５ｍｍ (EDM 48ｍｍ)
Resolving power ４″
Field of view １°３０′
Minimum focus １ｍ
Stadia ratio １００
Sight distance precision ≤０．４％Ｄ
Tube length 154ｍｍ
Angle Measurement
Measuring method Photoelectric detection by incremental encoder
Dia of circle (vertical, horizontal) 79ｍｍ
Minimum reading １″／５″Selectable
Detection method Horizontal： Dual
Vertical ：Dual
Measuring unit 360°／400gon／6400mil Selectable
Vertical angle０° Zenith０°／Horizontal０°Selectable
Accuracy NTS-352R：２″
NTS-355R：５″
Vial
Plate vial 30″／2ｍｍ
Circular vial 8′／2ｍｍ
Vertical Compensator
System Liquid-electric detection/plate vial
Compensation range ±３′
Resolving power １″
Optical Plummet
Image Erect
Magnification 3×
Focusing range 0.5ｍ～∝
Field of view ５°
Display
Type LCD，Four lines，digital
Data Communication
Port ＲＳ－２３２Ｃ
On-board Battery
Power resource Rechargeable Ni-H battery
Voltage DC６Ｖ
Type of battery NB－20B Battery
NB—20C Battery (Selectable)
Continuous operation time NB－20B 8hrs
NB—20C 12hrs
Operation Environment
Operating temperature －20°～＋45℃
Size & weight
Dimension 160×150×330ｍｍ
Weight (Exclude Battery) 5.2ｋｇ
