Great value compact lightweight and extremely colourful this HANNA stirrer is equipped with a speed sensing device coupled with a frequency voltage converter to monitor the speed and ensure optimum safety every time it is used.A compact magnetic stirrer with impact and chemically resistant ABS case. The stirrer features a variable speed control 100 - 1000 rpm and incorporates a speed limiter. A green LED indicates ';Power on"".Several mini-stirrers can be placed on the laboratory bench at once. Power-indicating LED lights also assure users from a distance that the stirrer is working. The durable plastic covering will resist harmful effects of accidentally spilled chemicals.The HI-180E-2 is a green compact lightweight and budget priced mini magnetic stirrer. Unlike most budget priced stirrers the HI-180 series incorporate electronic controls that allow the user to regulate the speed. In addition a Speedsafe mechanism assures that the maximum speed will never be exceeded.The HI-180E-2 is supplied with a 25mm long Teflon coated stirrer bar. and instructions.Specification:Maximum stirring capacity: 1 litre.Speed range: 100 - 1000 rpm.Operating temperature: 0 - 50°C.Humidity: 90% max.Dimensions: 137 x 51mm diameter x height.Mass: 640g.Power supply: 220/240V 50/60Hz.