tender for purchase of equipment , probe sonicator , frequency - 15-25 khz; process capacity - 0.1-500 ml (approx.); standard probe - 6 mm (1/4); optional probes - 2 mm, 3 mm, 8 mm, 10 mm, and 12 mm; display - 7-inch touch screen; display functions - temperature, power, time, and other operating parameters; temperature range - 0-99°c; timer - selectable; overload protection - available; user password protection - available; input method - touch screen control; data memory - 20 groups; output power - 6.5-650 w (adjustable); power supply - ac 220 v, 50 hz; dimensions - 490 × 370 × 280 mm (l × w × h); weight - 10 kg + 5 kg (sound-proof enclosure); warranty - 1 year; probe specifications: φ2 probe - process capacity: 0.2-5 ml, power ratio: 1-35%; φ3 probe - process capacity: 3-10 ml, power ratio: 1-45%; φ6 probe (standard) - process capacity: 10-100 ml, power ratio: 1-70%; φ8 probe - process capacity: 20-200 ml, power ratio: 1-80%; φ10 probe - process capacity: 30-300 ml, power ratio: 1-90%; φ12 probe - process capacity: 50-500 ml, power ratio: 10-90%; optional probes available - 2 mm, 3 mm, 8 mm, 10 mm, and 12 mm.