Floc-Testers ET740 Lovibond Floc-Testers ET750 Lovibond Highlights Continuously variable stirring speed Digital display Height adjustment of the stirring blades during operation Timer featur Applications Flocculant Manufacturer Waste Water Treatment Plants Laboratories Research Centres Universities ET 740 ( laboratory ) Stirring places 4 Stirring speed control 10 - 300 revolutions per minute Resolution 1 revolution Timer 1 - 999 minutes or 0 - 99 hours ( continuous ) Power supply 100 240 V 50 - 60 Hz Weight approx. 13 kg Dimensions ( mm ) 645 L x 347 W x 260 H EC-conformity CE Order code 2 41 91 55 ET 750 ( laboratory ) Stirring places 6 Stirring speed control 10 - 300 revolutions per minute Resolution 1 revolution Timer 1 - 999 minutes or 0 - 99 hours ( continuous ) Power supply 100 240 V 50 - 60 Hz Weight approx. 17 kg Dimensions ( mm ) 935 L x 347 W x 260 H EC-conformity CE Order code 2 41 91 60