STONEX R3

project	Subproject	description
telescope	Imaging	Just like
	Magnification	30×
	Lens tube length	160mm
	Resolution	2.8″
	Field of view	1°30′
	Effective aperture	44mm
Angle measurement part	Angle measurement method	Absolute coding system
	Precision	level 2
	Minimum display reading	1″
	Display unit	360° / 400 gon / 6400 mil
Ranging part	Ranging light source	650~690nm
	measure time	0.5s (quick test)
	Spot diameter	12mm×24mm (at 50m)
	Laser pointing	Switchable laser pointer
	Laser class	Class 3
	No prism	800 m
	Single prism	3500 m
	Prism accuracy	2mm+2×10 -6×D
	Prism-free accuracy	3mm+2×10-6 ×D
	Prism constant correction	-99.9mm +99.9mm
	Minimum reading	Precision measurement mode 1 mm Tracking measurement mode 10 mm
	Temperature setting range	−40℃+60℃
	temperature range	Step size 1℃
	Atmospheric pressure correction	500 hPa-1500 hPa
	Atmospheric pressure	Step length 1hPa
Level	Long level	30″/ 2 mm
	Circular level	8′ / 2 mm
Laser plummet	wavelength	635 nm
	Laser class	Class 2
	Precision	±1.5 mm / 1.5m
	Spot size/energy	Adjustable
	Maximum output power	0.7 -1.0 mW, adjustable through software switch
Compensator	Compensation method	Dual axis compensation
	Compensation method	Graphical
	The scope of work	±4′
	Resolution	1″
Onboard battery	power supply	lithium battery
	Voltage	DC 7.4V
	operating hours	About 20 h (25℃, measurement + distance measurement, interval 30s), only when measuring angle> 24 h
Display/Button	Types of	2.8 inch color screen
	illumination	LCD backlight
	button	Full numeric keyboard
data transmission	Interface Type	USB interface
	Bluetooth transmission	stand by
Environmental indicators	Operating temperature	-20℃ – 50℃
	storage temperature	-40℃ – 60℃
	Waterproof and dustproof	IP 54