supply of geography lab equipments geography lab equipment , aqua meter accessories , stainless steel electrodes , continuous contact spools , geophysical survey cable , hammers , multimeter , measuring tape , laser distance measurer 150 meter 1. working range : 400 feet/ 150 m 2. laser class : 2 3. accuracy : ± 1.5 mm 4. camera : + zoom 5. display : 2.8 inch ips colour display 6. connectivity : bluetooth smart (low energy) 7. memory capacity : 50 measurements 8. dust and splash protection : ip 54 9. power supply batteries : 3 x quality aa alkaline batteries 10. tripod thread : plastic, 1/4 inch , laser distance meter 40meters 1. measurement accuracy : +/- 1.5mm 2. measurement units : mm/in/ft 3. measurement time : < 0.5sec 4. continuous measurement function : yes 5. area measurement function :yes. 6. volume measurement function : yes 7. pythagorean measurement function : yes 8. add/subtract function: yes 9. min/max value: yes 10. automatic backlight: yes 11. button/key sound : yes 12.laser level : ii 13. laser type : 635 nm, < 1 mw 14. battery: 1.5v 3*aaa 15. carrying pouch : yes , topographical maps (laminated) 1:50000 different sheets covering areas including kerala. , topographical maps (laminated) 1:25000 different sheets covering areas including kerala. , auto level 1. length: 214mm, 2. magnification: 24x, 3. objective aperture: 32mm, 4. resolving power: 4”, 5. field of view (at 100m/328ft.) : 1025’ (2.5m/8.2ft), 6. minimum focus : 0.2m (7.9 in.) from end of telescope and 0.3m (1ft.) from instrument center), 7. stadia ratio : 100, 8. diameter : 99mm (3.9in), 9. water resistance ipx6, 10. weight l.5kg, 11. size : 122x214x140mm (4.8 x8.42x5.51 inch) with all standard accessories and below listed items 1. aluminium telescopic tripod 2. 5m x 5sec aluminium leveling staff , digital planimeter , scientific calculators , handheld gps navigator 1. unit dimensions, : wxhxd 2.1 x 4.0 x 1.3 (5.4 x 10.3 x 3.3 cm) 2. display size ,: wxh 1.4 x 1.7 (3.6 x 4.3 cm); 2.2 diag (5.6 cm) 3. display resolution, :wxh 128 x 160 pixels 4. high sensitivity receiver: yes interface :usb 5. base map : yes 6. waypoints/favorites/locations: 1000 routes 50 track log 10,000 points, 100 saved tracks 7. area calculation yes , soil sampler , water level indicator (dipmeter) with audio and light indicator 100 m tape length 100 m weight 3.0 kg indicator audio and visual tape graduation m/cm/mm , black board/white board geometry set - (big size)black board geometry set made up of high quality plastic/wood 1.compass cum divider ; 2.protractor 3. set square 45 degree ,60 degree each ; 4. duster ; 5. set of compass attachments ; 6. white board marker holder ; 7. ruler -100 cm 8. carry bag .