This is a cost effective analogue hotplate and stirrer from Medline. It offers a large heating area of 180 x 180mm with safe controlled heating up to 400°C. Constructed from chemically resistant ceramic coated steel this laboratory hotplate stirrer delivers excellent reliability with reproducible results at a sensible price. A screwed 12.5mm screwed thread is included for the addition of a retort rod (not included).The 'MS' Series has the following features and specification:Case Construction: Steel with chemical resistant coatingStage area: 180 x 180mmTemperature: Up to 400C (max)Speed range: 100 - 1500 rpmPower supply: 220 V a.c.