tender for purchase of equipments ( s.no 1 to s.no 2 ) for civil department = limited- 2 jar test apparatus • uniform stirring of up to 6 samples simultaneously. stirring rods should be adjusted individually during mixing • digital display which should clearly indicate the speed of rotational variable speed 1-200rpm.• heavy duty 1/20hp motor with gear train mounted on a mild steel housing.• stainless steel stirring paddlers with adjustable height. paddles to be driven by electronically controller variable speed.• locking collars or stirring rods permit adjustment height of paddle height. • spacing of 6 (150mm) between stirring rods so as to permit use up to 1000ml beaker.• the digital timer to be set to count down from 1 to 99 minutes.• housing material: crc / ms sheet duly powder coated. • power consumption : 220/230v ac supply 50hz single phase• motor : 1/ 20hp motor good quality • illumination : built in illuminator • beaker : 6 nos 1000 ml beaker 3 tds testing device (pen type)• tds measurement range: generally 0 to 2000 ppm (mg/l) or 0 to 10.00 ppt (g/l) for higher ranges.• resolution: 1 ppm (0-1999 ppm) or 0.01 ppt (over 2000 ppm).• accuracy: ±2% full scale (f.s.).• tds conversion factor: selectable or fixed (typically 0.45 to 1.0; 0.5 is standard).• temperature compensation: automatic (atc) from 0 to 50°c (32 to 122°f).• temperature range: 0.0 to 50.0°c / 32.0 to 122.0°f.• calibration: automatic or manual, typically 1-point.• probe/electrode: graphite or stainless steel for conductivity.• display: large lcd with simultaneous tds and temperature readings.• power: 4 x 1.5v button cells (e.g., lr44 or ag13).• battery life: approximately 100-200 hours of continuous use. please enable macros to view boq information