Product Description Digital PID Microprocessor Controller Patented CLS (Custom Logical Safety) System Volume Capacity 17L / 25L / 37L / 55L. Auto Tuning function for exact temp. control 99h 59m Timer with Time Delay ON-OFF Temperature Range Amb.+ 5.0 100.0 C 20 to 180 rpm Shaking Speed Shaking amplitude 25 30 35mm (30mm Standard) Standard offer : Complete Spring Wire Rack & Stainless Steel Gable Cover Optional : Test Tube Rack Universal Platform for mounting Flask Clamp Spring Wire Rack Handy Cooler BS-06 The Lab Companion Shaking Water Baths model BS-06: has a capacity of 17L and has a temperature range of Amb. +5C 100C with an accuracy of +/- 0.1C at 50C and uniformity +/- 0.2C at 50C. It dimensions 430 x 440 x 355 mm externally and requires a power source of 230VAC 60HZ 4.0 A 120VAC 60HZ 8.0A. The unit weighs 26Kg. This model has a PID Controlled microprocessor with touch pad and Digital Display and can heat up to 50C within 40 mins. BS-11 The Lab Companion Shaking Water Baths model BS-11 has a capacity of 25L and has a temperature range of Amb. +5C 100C with an accuracy of +/- 0.1C at 50C and uniformity +/- 0.2C at 50C. It dimensions 550 x 440 x 355 mm externally and requires a power source of 230VAC 60HZ 4.5 A 120VAC 60HZ 9.0A. The unit weighs 30Kg. This model has a PID Controlled microprocessor with touch pad and Digital Display and can heat up to 50C within 40 mins. BS-21 The Lab Companion Shaking Water Baths model BS-21 has a capacity of 37L and has a temperature range of Amb. +5C 100C with an accuracy of +/- 0.1C at 50C and uniformity +/- 0.2C at 50C. It dimensions 710 x 440 x 355 mm externally and requires a power source of 230VAC 50/60HZ 9.0 A. The unit weighs 35Kg.This model has a PID Controlled microprocessor with touch pad and Digital Display and can heat up to 50C within 40 mins. BS-31 The Lab Companion Shaking Water Baths model BS-31 has a capacity of 55L and has a temperature range of Amb. +5C 100C with an accuracy of +/- 0.1C at 50C and uniformity +/- 0.2C at 50C. It dimensions 860 x 490 x 355 mm externally and requires a power source of 230VAC 50/60HZ 11.5 A. The unit weighs 42Kg.This model has a PID Controlled microprocessor with touch pad and Digital Display and can heat up to 50C within 40 mins.