Envco – Environmental Equipment

An easy, quick method for sub-sampling plankton samples. Each spool takes the same size sample time after time. Sometimes called aliquot samplers, these wide bore pipettes are ideal for accurately filling Sedgewick-Rafter, Palmer Cell or Ward Counting Wheel. In three sizes, each with two different, changeable Delrin™ plastic spools - spool size determines sample size. Easy-grip plastic handles, aluminum shafts and transparent bodies. Available with and without spring-loaded plungers. Ship wt: 2 lbs

Hensen Stempel™ Pipettes
Small: 1, 2 mL spools
Large: 5, 10 mL spools
Extra Large: 25, 50 mL spools

Small
1806-D50 Pipette, small, no spring
1806-D52 Pipette, small, with spring

Large
1805-C40 Pipette, large, no spring
1805-C42 Pipette, large, with spring

Extra Large
1807-A12 Pipette, extra large, with spring