Physics

These low cost batteries have 2 year shelf life and are suitable for low drain applications.

These low cost batteries have 2 year shelf life and are suitable for low drain applications.

These low cost batteries have 2 year shelf life and are suitable for low drain applications.

These low cost batteries have 2 year shelf life and are suitable for low drain applications.

These low cost batteries have 2 year shelf life and are suitable for low drain applications.

These low cost batteries have 2 year shelf life and are suitable for low drain applications.

Gold leaf, pack 6.

This digital xenon stroboscope is a lightweight, sturdy and compact instrument which features digital, variable flashing rate adjustment and external triggering facility. The bright xenon tube makes it ideal for educational uses such as wave, motion and vibration experiments. Supplied with a mains lead. Specifications: 60 to 18,000 rpm, to 300 Hz, External triggering signal, Power supply: 240 V AC, 50 Hz. Dimensions (L x H x W): 215 x 140 x 150 mm.

This Sonometer pickup contains a single guitar-type magnetic pickup. When placed under a moving steel wire, such as on Sonometer, an emf is induced in the pickup which can be displayed on an oscilloscope. Period, frequency and amplitude measurements can then be taken from the oscilloscope screen. The whole unit, constructed in clear acrylic, measures approximately 90 x 40 x 20 mm and comes with integral 4 mm sockets and instructions for use.

A generator for producing mechanical vibrations when used with function generator. The input is fed to coil which is mounted within the field of cylindrical permanent magnet. The unit is fuse protected. Locking mechanism protects from shock during transit and when changing accessories. Max input 6V/1A. Dimensions (L x W x H): 100 x 100 x 120 mm.

This 4W, 8 Ohm Mylar-cone loudspeaker comes mounted on an acrylic base, so that it can be used either vertically or horizontally. The front of the speaker has a hard protective cover with drilled holes. Dimensions (Speaker Dia.): 60 mm. Overall Dimensions (H x W x D): 120 x 90 x 40 mm.

For use with SI30825. A thin layer of sand is spread over the plate and resonance patterns (""Chladni"" figures) can be observed at certain frequencies. The plate resonances are audible.

Steel strips giving six vibrating lengths. For use with SI30825. Fundamental frequencies at 11, 15, 21, 36 and 50 Hz can be readily observed. Interesting standing waves can be seen up to 300 Hz and heard up to 900 Hz.

For use with SI30825. A thin layer of sand is spread over the plate and resonance patterns (""Chladni"" figures) can be observed at certain frequencies. The plate resonances are audible.

For use with SI30825 for demonstrating the relationship between frequency and the number of vibrational nodes. Dimensions (Dia.): 290mm.

Aluminium. Boxed set of 8. Range C.256 Hz to C512 Hz.

This wave machine, which comes in kit form and must be self-assembled, is designed to demonstrate the theory of waves. The kit comprises: transverse wave machine with 80 arms spaced on nylon line with detachable weights to provide an example of transverse wave propagation in which movements of the rods create the waves; Two loaded elastic cords to illustrate transverse wave motion; An extension spring with weights, for the propagation of both longitudinal and transverse waves; teacher's book which describes the experiments and gives detailed quantitative analysis.

To demonstrate form and propagation of longitudinal and transverse waves. This simple wave demonstrator rotates a set of cams that raise and lower 24 vertical rods with plastic highlighted tips for easy viewing. It is 480 mm long, strong, and almost silent in operation. Lubrication is not required and students can see from both sides. Eight of the rods are turned at 90 degrees to simulate transverse wave motion. The handle is fitted with a circular scale marked in degrees of rotation.

This vibration generator is a sturdy, user-friendly tool for providing electronically controlled waves. Ripples can be created for the study of wave motion. (Recommended for use with square wave generator). Dimensions: 140 mm, overall diameter: 114 mm. The amplitude is +/- 3 mm.

A Slinky-type spring for wave demonstration, with a wooden storage stand. Stand helps protect the spring in storage and keep it in good condition. Closed Spring Dimensions (Dia. x L): 72 x 220 mm. Base Dimensions (L x W x H): 150 x 150 x 355 mm.

This quality spring is ideal for producing longitudinal waves with vibration generator connected to a signal generator. Spring constant 4.7 N/m. Closed Dimensions (L x Dia.): 155 x 27 mm.

For use with SI30825. For demonstrating standing waves. Dimensions (L): 2 metres.

Flat section steel wire in helical coil.

This battery has a 7 year shelf life and are suitable for high drain rate applications (although lithium cells may work better in some applications). It also has better low temperature performance than Zinc cells.

These batteries have 7 year shelf life and are suitable for high drain rate applications (although lithium cells may work better in some applications). They also have better low temperature performance than Zinc cells.

These batteries have 7 year shelf life and are suitable for high drain rate applications (although lithium cells may work better in some applications). They also have better low temperature performance than Zinc cells.

These batteries have 7 year shelf life and are suitable for high drain rate applications (although lithium cells may work better in some applications). They also have better low temperature performance than Zinc cells.

These batteries have 7 year shelf life and are suitable for high drain rate applications (although lithium cells may work better in some applications). They also have better low temperature performance than Zinc cells.

This battery has a 7 year shelf life and are suitable for high drain rate applications (although lithium cells may work better in some applications). It also has better low temperature performance than Zinc cells.

The SDS5032E is a general purpose 2 channel digital oscilloscope with large 200 mm colour display, making it ideal for education and industrial environments. Complete with USB output to PC. Specifications and Features: • Bandwidth: 30 MHz • Sample Rate (real time): 250 MSa/s (125 MSa/s per channel) • Memory depth: 10 KB • Maths functions: Add, subtract, multiply, division and FFT • 20 automatic measurements • Auto-scale function • Standard interface: USB, USB flash drive, LAN, VGA • Bandwidth: 30 MHz • Waveform storage: 15 waveforms • Vertical Sensitivity: 5 mV/div~10 V/div (at input) • Vertical resolution: 8 bit • Trigger Type: Edge, Pulse, Video, Slope • Trigger Mode: Auto, Normal, Single

For watches, calculators etc.

For watches, calculators etc.

For watches, calculators etc.

For watches, calculators etc.

Test the condition of your batteries using this low-cost, versatile and compact battery tester. The tester uses the power of the battery you are testing to power itself, so does not require batteries. • Suitable for checking the state of Zinc chloride, Alkaline and Rechargeable batteries • Will test AAA, AA, C, D, 9V PP3 and batteries

Holds 4 x D (R20) batteries with outputs at 1.5, 3, 4.5 and 6 V. Batteries and leads not supplied. Each output has 4 mm socket.

Packs of 5.

Battery Holder, AA Size.

Battery holder, 2 x AA batteries, with leads.

Battery Holder D Size. Pack of 5.

PP3 snaps with leads. Pack of 10.

For watches, calculators etc.

For watches, calculators etc.

This timer is most suited for an investigational approach for students to gain sound understanding of the concepts of time and motion. Two pairs of sockets alternately start and stop the timer, one pair operating in make mode, the other in break mode. The start/stop switches can be either mechanical or electronic. The timer is auto-ranging for ease of use and has clear 13mm digital display and has robust metal case with durable powder coat finish. An illuminated on/off switch is mounted on the rear panel adjacent to fused appliance inlet. • Electrical Supply: 220-240 V AC 50-60 Hz • Dimensions (W x L x H): 179 x190 x 85 mm • Mass: 1.6 kg • Ranges: 0 to 9.999s; 10 to 99.99s; 100 to 999.9s; 1000 to 9999s • Accuracy: ±0.01%

For use as a light operated timing gate. Comprises a photodetector and light source each housed in a robust ABS case spaced 40 mm apart on a plastic rod. Light source housing has a battery compartment and on/off switch. Photodetector housing is fitted with pair of 4 mm sockets to allow connection to electronic timers. When the timing gate is switched on it creates a short circuit between the two output sockets, this then becomes an open circuit each time the light beam is interrupted. Consequently the timing gate can be used as a remote switching device in wide range of dynamics experiments.

Pump plate for SO180500.

Bell jar for SO180500.

An effective and compact alternative to the traditional Bell in a Jar apparatus. Comprising a strong acrylic vessel, with a simple buzzer circuit. The vessel has an outlet through which air can be evacuated using a vacuum pump (not included). The buzzer is mounted on foam to reduce transmission of sound to the vessel walls. When the air is evacuated, the sound of the buzzer is attenuated, as there is no air through which the sound is transmitted to the walls of the vessel. Dimensions (H x dia): 140 x 100 mm

For use with a standard bell jar for demonstration experiments involving low pressure. The plate is made of PVC and has a vacuum connection fitting with valve and thumb screw for the return air. Two standard 4 mm jack connectors are provided with 4 mm jack connectors available inside the jar. Tube Dimensions (Dia.): 10 mm. Plate Dimensions (Dia.): 210 mm. • For use with 150 mm diameter bell jars only

A crystal microphone giving 10-20 mV output without batteries. Used for displaying students' voices on sensitive oscilloscope, or for speed of sound experiments. Fitted with mm colour coded sockets. • Frequency range: 100-10,000 Hz • Impedance: 200 Ω • Sensitivity: mV/Pa/kHz