1.Ideal for a wide range of laboratory applications requiring controlled temperature with orbital shaking motion. 2.Suitable for long time operation up to weeks and months. 3.Separate switches for speed ON/ OFF and heater ON/ OFF. 4.Individual readout for RPM and digital readout for temperature. 5.All stainless steel inner tank, platform and clamps. 6.Maintenance-free induction brushless motor 7.Differential clamps available 8.Microprocessor based on PID temperature control 9.Speed and temperature adjustable lModel: TS-680 Speed: 10~ 250rpm Orbit diameter: 25mm Speed readout: Tachometer Temperature control: PID Temperature readout: Digital Working temperature range: Ambient + 5 ~ 75 Stability: + / -0.2 Power supply: 110V, 60Hz/ 220V, 50Hz Power watts: 1200W Platform: 450* 290 Inner tank size ( mm) : 560* 405* 200 Size( mm) : 740* 530* 450 Weight ( kg) ( N.W./ G.W.) : 50.0/ 53.0