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Newton’s color disc of 75 mm diameter is mounted on the axle of a small motor, which is fitted on a plastic case. 4 mm sockets are provided for connections. It operates on 4 – 6 V DC.

This setup is designed to investigate the charging and discharging characteristics of typical re-chargeable battery. With external voltmeter and ammeter connected, you can manually measure the input and output energy by taking reading from these meters. A toggle switch is provided to select between charging and discharging. Connection are made via 4 mm plugs.

This panel is used to demonstrate the number systems such as binary, decimal and hexadecimal numbers. Toggle switches used to activate the displays showing the particular number entered. Input may be entered either as decimal or binary numbers with a toggle switch for mode selection. Decimal numbers are shown on a three digit seven segment LED display. 12 V / 2 A DC adaptor is required to operate it.

Rod with pointed end, overall length 80 mm approx.

Achromatic, standard international threads, interchangeable. x40, x 60 and x100 objectives are spring loaded and are retraceable for safety of slides and to avoid damage to objective lens.

ST SERIES
Parfocal distance 37 mm