tender for supply of one spectrophotometer and one laminar air-flow for the department of botany & forestry in the c us of the vidyasagar university , supply of instruments , spectrophotometer: type of product: uv/vis spectrophotometer spectral bandwidth: 3nm optical system: ct single beam, grating 1200 lines/mm stray light: ≤0.3 % t @ 340 nm stability: ±0.002 a/h 500 nm display : led light source: deuterium & tungsten lamp wavelength range: 190-800 nm or better power supply: ac 220 v range: photometric range: 0-200% t accuracy : ±1 nm (wavelength), ±0.5% t (photometric) repeatability: 1 nm (wavelength), 0.2% t (photometric) wavelength interval: 1 nm mode: t, a, c to be supplied: 4 glass & 4 quartz cuvettes warranty: 3 years onsite , laminar air-flow: • type of product: horizontal laminar airflow cabinet key features: • horizontal unidirectional airflow • class 100 (iso 5) environment • air velocity 0.45 m/s or better • hepa filtration (99.99% efficiency) • polycarbonate side panels for visibility • stainless steel work table • low vibration blower • material: ss 304 work table, ms powder coated body/ stainless steel body specification: to be provided a sterile particle free work environment. by passing 99.99% efficient heap-filtered air horizontally across the robust stainless steel work surface to ensure ultimate product sterility and an unobstructed work zone. low-vibration, unidirectional airflow hood for applications where product protection is the absolute priority, including tissue culture, microbial transfer, media preparation etc.