lab equipments supplying lab equipment for environmental studies lab , digital ph meter range: 0- 14 ph resolution: 0.01 ph accuracy: ± 0.01 ph± 1 digit slope correction : 80% to 120 % display :3 ½digit led power supply : 230 v± 10 %, 50 hz ac , digital spectrophotometer wave length range: 340 – 960 nm wave length resolution : 1 nm wave length accuracy :± 2.5 nm wave length repeatability : ± 2.5 nm photometricrange : %t :0 to 100 % absorbance : 0 to 1.999 concentration :0 to 1999 photometricresolution: %t :0.01 % t absorbance : 0.001 abs. concentration :1 detector : silicon photodiode mono-chromator : 600 lines / mm light source : 6 v, 1 amp, tungsten halogen lamp display : 3 ½digit led display power supply : 230 v± 10 %, 50 hz ac , digitaldissolved oxygen meter do range: 0 to 20 ppm resolution : 0.1 ppm accuracy : ± 0.5 ppm ± 1 digit display :3 ½digit led power supply : 230 v± 10 %, 50 hz ac , digital turbidity meter range: 0 to 1000 ntu resolution : 1 ntu accuracy : ± 3 % ( fs ) ± 1 digit sample system : 30 mm clear glass test tube light source : led, 3 v, 0.3 amp detector : photodiode display :3 ½digit led power supply : 230 v± 10 %, 50 hz ac , jar test apparatus capacity : 1 litre with four stirrer variable speed drive from 20 to 100 rpm through 1 / 20 h.p motor mounted on a mild steel housing, supported by four rods on a bench.stirring paddles are of stainless steel with adjustable height. , magnetic stirrer: stirring capacity : 5 litres magnetic stirrer with hotplate and digital speed indicator.pmdc motor for higher torque even at low speeds. , analytical balance: laboratory balance capacity : 300 g readability : 0.0001 g ( 1 mg ) repeatability ( ± ) = 0.001 g pan size : 80 mm display : lcd with backlight tare range: full power supply:ac 220 v / 50-60 hz , vacuum pump free air displacement -1.8 cfm, ultimate vacuum-5 pa, voltage-220v-50 / 60hz => limited