Minute Timer Lab Equipment and Supplies_Metal Labware Four-meter 6A extension cord with

Four-meter 6A extension cord with one 3-pin and three 2-pin sockets and a switched indicator-light handle

Battery-powered portable digital voltmeter measuring 0-20V DC at plus-or-minus 1-digit accuracy on a large LCD

fixed bipolar 8V and high-voltage 125/250V DC outputs

Regulated dual AC/DC power supply displaying voltage and current on independent digital readouts

configurable as fixed or movable in compound setups

Minute Timer Lab Equipment and Supplies_Metal Labware Four-meter 6A extension cord withEconomical 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.