Electronics

2-Channel Oscilloscope

Great scope for beginners and basic work, yet enough features for the professional. Two-channel. Component tester, beam find, and dual time base. Features: dual or single trace operation; calibrated 20-step time base with x10 magnifier; AUTO/NOR... More.

Conductivity Water Tester

Lamp brightness is controlled by the conductivity of liquid in which the two electrodes are immersed. No exposed metal parts. More.

Electroscope Assembly Unit

Rubber stopper, alligator clip allows you to easily replace the aluminum sleaves, ball and rod, ready to be inserted in 250 ml narrow-mouth flask. Uses any type foil. More.

Electrostatic Generator

Astound your class with 5" sparks! Raise hair instantly – no shock hazard. 200,000V potential in humidities up to 90%. Special formula neoprene belt lasts up to 500 hours (spare included). Plastic molded base and housing, 18 cm aluminum globe,... More.

Heavy-Duty 9V Battery

Heavy-duty 9V carbon-zinc batteries. Ideal for general lab work. Super cells provide up to twice the life of ordinary general-purpose cells. Battery brands may vary. More.

Platinum Electrodes – Replacement Parts for Hoffman Electrolysis Apparatus

These flat electrodes were designed for the Hoffman Electrolysis Apparatus. The platinum lead wires are sealed in glass tubes. The glass tubes are inserted in No. 1 rubber stoppers. These electrodes will fit SB11120M and SB10809M listed. More.

Battery Holder for 4 “D” Cells

Four size “D” battery holders mounted on a strong plastic base. Each cell can be individually tapped to draw current or in addition of one, two, three, or four to give 1.5V, 3V, 4.5V, or 6V. Can be used with 4 mm banana plug leads or with cr... More.

Student Electricity Assortment

Have your students exploring the wide world of electricity, including circuits, currents, and switches right at their fingertips! This assortment is a must need for those looking for classroom electrical supplies. Includes box of 10, 1.5V mini lamp bulb... More.

Plastic “D” Battery Holder

Pack of four “D” detachable battery holders that secure four batteries in parallel or series. More.

Metal Detector

This multi-sensing metal detector distinguishes between metal and non-metal objects, displaying readings using tone and LEDs to indicate intensity. Learn how magnetic fields can be used for industrial and recreational purposes. Features adjustme... More.