Shanghai Hengyide Electronic Technology Co.,Ltd Ltd.
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| MODEL | iM-52 |
| Magnification / Resolving power | 30x / 2.5” |
| Length | 171mm (6.7in.) |
| Objective aperture | 45mm |
| Minimum focus | 1.3m (4.3ft.) |
| Minimum Display | 1"/5" |
| Accuracy | 2” |
| Dual-axis compensator | Dual-axis liquid tilt sensor |
| Collimation compensation | On/Off (selectable) |
| Reflectorless | 0.3 to 500m |
| Reflective sheet | 1.3 to 500m |
| Mini prisms | 1.3 to 2,500m |
| One prism | 1.3 to 4,000m |
| Operating system | Linux |
| Control panel location | On both faces |
Specification:
| MODEL | iM-52 |
| Telescope | |
| Magnification / Resolving power | 30x / 2.5'' |
| Others | Length : 171mm (6.7in.), Objective aperture : 45mm (1.8in.) (48mm (1.9in.) for EDM), Image: Erect, Field of view:1°30’(26m/1,000m), Minimum focus: 1.3m (4.3ft.) Reticle illumination: 5 brightness levels |
| Angle Measurement | |
| Minimum Display (selectable) | 1"/5" (0.0002 / 0.001gon, 0.005 / 0.02mil) |
| Accuracy (ISO 17123-3:2001) | 2” |
| Dual-axis compensator | Dual-axis liquid tilt sensor, working range: ±6’ |
| Collimation compensation | On/Off (selectable) |
| Distance Measurement | |
| Laser output | Reflectorless mode : Class 3R / Prism/sheet mode : Class 1 |
| Reflectorless 0.3 to 500m (1,640ft.) | |
| Reflective sheet RS90N-K: 1.3 to 500m (4.3 to 1,640ft.), RS50N-K: 1.3 to 300m (4.3 to 980ft.), RS10N-K: 1.3 to 100m (4.3 to 320ft.) | |
| Mini prisms CP01: 1.3 to 2,500m (4.3 to 8,200ft.), OR1PA: 1.3 to 500m (4.3 to 1,640ft.) | |
| One prism 1.3 to 4,000m (4.3 to 13,120ft.) | |
| Minimum Display | Fine / Rapid : 0.0001m (0.001ft. / 1/16 in.) / 0.001m (0.005ft. / 1/8 in.) (selectable) Tracking / Road : 0.001m (0.005ft. / 1/8in.) / 0.01m (0.02ft. / 1/2 in.) (selectable) |
| Accuracy (ISO 17123-4:2001) (D=measuring distance in mm) | Reflectorless (2 + 2ppm x D) mm |
| Reflective sheet (2 + 2ppm x D) mm | |
| Prism (1.5 + 2ppm x D) mm | |
| Measuring time | Fine 0.9s (initial 1.5s) |
| Rapid 0.6s (initial 1.3s) | |
| Tracking 0.4s (initial 1.3s) | |
| OS, Interface and Data management | |
| Operating system | Linux |
| Display / Keyboard | Graphic LCD, 192 x 80 dots, backlight : on/off (Selectable) / Alphanumeric keyboard / 28 keys with backlight |
| Control panel location | On both faces |
| Data storage | Internal memory Approx. 50,000 points |
| Plug-in memory device USB flash memory (max. 32GB) | |
| Interface | Serial RS-232C, USB2.0 (Type A, for USB flash memory) |
| modem (option) | Class 1.5, Operating range: up to 10m |
| General | |
| Laser-pointer | Coaxial red laser using EDM beam |
| Levels | Graphic 6’ (Inner Circle) |
| Circular level (on tribrach) 10’ / 2 mm | |
| Plummet | Optical Magnification:3x,Minimum focus:0.5m(19.7in)from tribrach bottom |
| Laser(option) Red laser diode(635nm±10nm), Beam accuracy:<=1.0mm 1.3m,Class 2 laser product | |
| Dust and water protection / Operating temperature | IP66 (IEC 60529:2001) / -20 to +60ºC (-4 to +140ºF) |
| Size with handle | 183(W)x 181(D)x 348(H)mm (On both faces) |
| Instrument height | 192.5mm from tribrach mounting surface |
| Weight with battery & tribrach | Approx. 5.1kg (11.3lb) |
| Power Supply | |
| Battery | Li-ion rechargeable battery BDC46C |
| Operating time (20ºC) | Approx. 14hours |