Product Details

FEATURES

Handy EDM Head
Complete Application Programs
Extended Internal Memory (Max. 24000 Points)
Convenient Data Management System
Superior Waterproof & Dustproof Capabilities, IP66
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 / 20mreflectorless mode only

approx.10×20 / 50m

Accuracy

With reflector:

EDM measuring program	Accuracy Standard deviation	Time per measurement
fine	22ppm	1s
fast	32ppm	1.2s
tracking	52ppm	0.5s
IR-tape	52ppm	1.2s

Without reflector:

EDM measuring program	Accuracy Standard deviation	Time per measurement
Reflectorless fine	52ppm	1s
Reflectorless tracking	102ppm	0.5s

h.Range(20km visible normal condition)

With reflector

Atmospheric conditions	Standard prism	Reflector tape
5km(Haze)	1000m	300m
20km(Good weather)	5000m	800m

Without reflector

Atmospheric conditions	No reflectorwhite 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	Max999999.999Min0.
Unit	m/ft Selectable
Average measuring times	The average value of∼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 ×
Effective aperture (EDM 48)
Resolving power
Field of view °
Minimum focus
Stadia ratio
Sight distance precision ≤.
Tube length 154

Angle Measurement ------------------------------------------
Measuring method Photoelectric detection by incremental encoder
Dia of circle (vertical, horizontal) 79
Minimum reading Selectable
Detection method Horizontal Dual
Vertical Dual
Measuring unit 360°400gon6400mil Selectable
Vertical angle° Zenith°Horizontal°Selectable
Accuracy NTS-352R
NTS-355R

Vial ----------------------------------------------------------
Plate vial 302
Circular vial 82

Vertical Compensator----------------------------------------------------
System Liquid-electric detection/plate vial
Compensation range ±
Resolving power

Optical Plummet------------------------------------------------
Image Erect
Magnification 3×
Focusing range 0.5∼∝
Field of view °

Display ---------------------------------------------------------------
Type LCD,Four lines,digital

Data Communication---------------------------------------------
Port

On-board Battery-----------------------------------------------
Power resource Rechargeable Ni-H battery
Voltage DC
Type of battery NB20B Battery
NB20C Battery (Selectable)
Continuous operation time 8hrs(small battery)
10hrs(big battery)
Operation Environment ----------------------------------------------
Operating temperature 20°∼50

Size & weight ------------------------------------------------
Dimension 160×150×330
Weight (Exclude Battery) 5.2