Baseline Supply

The NTS-665R 2" total station Features a High-density 8-line LCD large screen, graphic display, Icons menu; High speed: 32-bit CPU for high speed operation, 2MB space for programs storage; Large memory: 16MB space for data storage, available for saving 40000 blocks of measured data.

MODEL	NTS-662R (2" 2+2ppm)	NTS-665R (5" 2+2ppm)	NTS-662 (2" 2+2ppm)	NTS-665 (5" 2+2ppm)
Telescope
Image	Erect
Magnification	30X
Effective Aperture	45mm(DTM 50mm)
Resolving Power	3"
Field Of View	1°30'
Minimum Focus	1m
Distance Measurement (under Fair Weather Condition)
Range w/ Prism	4,000 meters (12,000ft)
Range w/ non-prism	200 meters (600ft)		N/S
Accuracy w/ Prism	2mm+2ppmxD	2mm+2ppmxD	2mm+2ppmxD	3mm+2ppmxD
Accuracy w/ non-prism	5mm+3ppmxD		N/S
Minimum Count	1mm
Distance Unit	ft. or m selectable
Measuring Time
Fine	1.8 Sec.
Tracking	0.6 Sec.
Maximum display	999999.999m
Atmospheric Correction
Temperature	C or F
Atmospheric Pressure	hPa/mmH/inHg
Earth Curvature Correction	k=0.14/0.20/0
Prism Constant	0 mm / 30 mm
Angle Measurement
Measurement Method	Absolute Encoder
Detection Method	Horizontal: Dual; Vertical: Dual
Accuracy	2"	5"	2"	5"
Minimum Readout	1" or 5"
Sensitivity of Vials
Plate Vial	30"/2mm
Vertical Compensation	Yes
Type	Liquid-electric detection/Plate level
Compensation Range	+/-3'
Resolution	1"
Optical Plummet
Image	Erect
Magnification	3X
Focus Rang	0.5m-infinity
Display	Dual display, LCD, with Graph
Data Port	RS-232
Battery	7.2v NiH Rechargeable
Operation Time	8hrs
Charging Time	1.5 hrs..
Operating Temperature	-20°C~+45°C
Tribrach	Detachable
Tripod Thread	5/8"X11

Triple coaxial, double fiber optic light path, simplified optic light structure; Absolute encoding, manual initialization free, angle measurement accuracy and reliability improved; Dual axis compensation Long range measurement: single prism 4.0km, reflectorless mode 200m (650ft)