US$ 27.99
change speed
Insulated 10
configurable as fixed or movable in compound setups
and instructions for general electronics diagnostics
Minute Timer Lab Equipment and Supplies_Metal Labware change speedEconomical minute timer setting intervals up to one hour via a top knob, sounding a signal at the end of the period for classroom reaction monitoring and general laboratory run timing.
US$ 27.99
US$ 30.99
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US$ 26.99