φ350 Digital Measuring Projector
JT21
Usages
The instrument can test effectively profile, section and surface shapes of various complex work-pieces, such as templates, punching pieces, cams, gears, forming cutters, mercerizes etc. Owing to its front-inclined projecting screen, so It is also suitable for comparative measurement and test, such as projecting image's portray and observation of work-piece's profile and shape etc. It is widely used in workshops and measuring station of those industries: Machinery, instruments & meters, watches, moulds and electronics and so on.

Technical Parameters
Projection Screen:
-Screen diameter: Φ300mm
-Rotary range: 0 ~360°
-Rotary angle resolution: 1'
-Rotary angle accuracy: 4'
-Objective
Magnification View-field on object(mm) Working distance(mm)
5X Φ70 163.10
10X Φ35 89.05
20X Φ17.5 57.20
50X Φ7 58
-Magnification Error 0.08%
-Worktable
Size of worktable(mm) X Axis travel(mm) Y Axis travel(mm) Z Axis travel(mm)
380*230mm 200 100 100
-Linear scale resolution: 0.001mm
-Accuracy of X. Y axis: (3+L/75)μm L unit: Mm

Model	JT21
Projection Screen	φ350mm
Rotation Range	0°~360°
Resolution of the rotary angle	1′
Accuracy of the rotary angle	4′
Objective Magnification Power	5X 10X 20X 50X
Objective Visual Field	φ70mm φ35mm φ17.5mm φ7mm
Objective Working Distance	163.1mm 89.05mm 57.2mm 58mm
Error of magnification	0.08%
Range of X-coordinate (mm)	200mm
Range of Y-coordinate (mm)	100mm
Z -coordinate (Focusing)(mm)	0~100mm
Worktable area	380mm×230mm
Resolution	0.001mm
Image	Reverse
Accuracy of Instrument	(3+L/75)μm
Load Capacity	5kg
Overall Size(mm)	854×480×1401
Transmission Lighting	12V 100W Halogen tungsten lamp
Reflecting Lighting	12V 100W Halogen tungsten lamp
Rated Voltage
Mainframe Weight	138kg

Founded in 1966, Guiyang Xintian OETECH Co., Ltd is a large-scale enterprise whichspecialized in high precision optical measuring instruments. With more than 50 years'experiences in product development and manufacturing, it integrates development,production and marketing of optical, machinery, electrical and computing technology togetherto provides customer excellent and advanced solutions. Guiyang Xintian covers an area ofover 700k square meters and has 400 employees, and established 8 subsidiaries includingGuiyang Xinhao OETECH Co.,Ltd,Guiyang Xinhong Casting Co.,Ltd and 2 Research&Development centers in Guiyang and ShanghaiGuiyang Xintian OETECH Co., Ltd is the largest optical instruments production base with thelongest history in China which belonging to the 1st-grade measurement servicesassociation.The 1st periscope on the nuclear-powered submarine, the 1st three-dimensionalcoordinate measurement machine and the 1st large-scale projector of China were all born inGuiyang Xintian. Now Guiyang Xintian is engaged in nearly 20 categories and more than 100models of precision optical measuring instruments such as Profile projectors,Toolmaker'smicroscope, Video measuring machine, Length measuring Machine, Angle instruments,physical-analytical instruments, linear scale, Digital Readout Box, etc. Our products arewidely used in the metrological and testing services of aerospace, machinery, electronic,petroleum, chemical, metallurgical industries . Our products are exported to over 40 countriesａnd regions worldwide such as USA,Germany,Japan, Iltaly, etc.