purchase and installation of photocatalytic reactor , photocatalytic reactor , minimun 8-watt lamps, configured with not lessthan 6 top- and 8 side-lamp positions, controlled by switches. dimensions: minimum - external: 18” wide, 21” deep (with exhaust) and 16.5” high (46 x 53 x42 cm), internal: 12” wide, 12” deep and 8.5” high (30 x 30 x 22 cm) input power rating: 220 vac, 50/60 hz cycle, 3 amps lamp power for use with 8 watt lamps with f8t5 connectors. approximate length 12 inches. housing material: external: stainless steel internal (chamber): al 5052-h32 (aluminum alloy) ambient temperature: can be maintain between 10 ºc and 35 ºc chamber temperature: not higher than 3-4 ºc above room temperature humidity: must be between 0% and 95% (non-condensing) portable carousel: bottom plate height: approx. 2.5” above chamber floor, must hold atleast 16 tubes, speed: minimum 4 rpm, batteries required, diameter: 5”, must accommodate samples in test tubes of up to 5/8” (16mm) in diameter portable turntable: diameter: 9 3/16 inches, height: approx. 2.5” above chamber floor, speed: 4 rpm, batteries required magnetic stirrer: speed: adjustable, min speed: 100 rpm, max speed: 1000 rpm, max volume that can be stirred: 0.26 gallons (1l) power meter: calibration factor for visible light provided by manufacturer, calibration factor for photo reactor lamps provided by manufacter, requires 9 v transistor type battery (one provided), display: 3.5” lcd, sampling time: 0.4 sec, operating temperature: 0 - 50ºc at a maximum of 80% relative humidity, batteries required gas inlet: rear mounted bulkhead gas connector, gas should not dissipate in the chamber, should be used with environmental chamber only. hour meter: built-in to the unit, keeps track of the number of hours the unit has been in operation, safe exhaust: abs material, exhaust tube provided: 4” diameter, max length: ~ 8’, built-in fan: 3100 rpm, airflow: 110 cfm safety interlock: turns off lamps when door is open, indicator led’s