Wire Helix (Slinky) - 165mm
Ideal for demonstrating different types of waves. Flat-section steel wire in helical coil,
Dimensions:
Diameter: 75mm
Height: 165mm
Wire Helix (Slinky) - 110mm
Height: 110mm
Ideal for demonstration purposes where standard size items may be considered inconveniently small. This set consists of a rectangular block, 190 x 110mm; an equilateral triangular prism, side length 190mm; and a right angled triangular prism, h
A comprehensive kit for investigating the properties of silicon photo-voltaic (solar) cells as a source of useful power, in an interesting and practical manner. The kit comprises eight individual 0.4V 100 mA cells. These may be accommodated in the base ‘tray’ which provides physical support...
Spare slit plates for the Light Box and Optical Set.
The bare light box, with formers for a collimating lens and slit plates.
Ideal for use by children, these mirrors are flexible, unbreakable and can be cut into different shapes. They can be taped together for multiple reflections.
Both sides are covered with a protective film.
Dimensions: 75 x 25mm
Pack size: 10
Spare collimating lens for Ray Optics Boxes.
Spare slit plates for Low Cost Ray Box.
Dimentions: 45mm x 75mm
Range: 0 to 19.99A.
Input impedence: 0.01?.
Overload capability: 100V.
Frequency response: ±2%: 0 to 10kHz.
Display: 31/2 digit LCD with polarity and low battery indication.
Battery: Internal 9v battery PP3 or equivalent (...
Digital Milliammeter
0 to 199.9mA d.c. only.
Internal resistance: 1?.
Display: 31/2 digit LCD with polarity and low battery indication
Battery: Internal 9v battery PP3 or equivalent (not included).
Expected Battery life: 5000 hours
Autom...
A.C. Voltmeter
Range: 0 to 19.99V.
Input impedence: 1M?.
Frequency response, ±2%: 0 to 10kHz.
Battery: Internal 9v battery PP3 o...
Spare slit plates for Philip Harris Ray Optics Box.
Dimensions: 50mm x 100mm
Optically worked faces
Ground edges
Refractive index: 1.52.
Focal Length: 50mm,
Diameter: 38mm,
Power: +20D
Sold in packs of 5
Dimensions: +20D
Focal Length: 100mm
Diameter: 50mm
Power: +10D
Dimensions: +10D
Focal Length: 200mm
Power: +5D
Dimensions: +5D
Focal Length: 300mm
Power: +3.3D
Dimensions: +3.3D
Focal Length: 500mm
Power: +2D
Sold in Packs of 5
Dimensions: +2D
Spare 50mm double convex cylindrical lens for Philip Harris Ray Optics Box.
Range 0 to 1999nC.
Accuracy: ±10% of F.S.D.
Battery: Internal 9v battery PP3 or equivalent (not includ...
A comprehensive kit of magnets and accessories in a compartmented storage case.
Dimensions of case: 320mm x 220mm x 50mm.
A traditional demonstration apparatus brought up to date, it consists of two plastic hemispheres with an effective O-ring seal and 6mm plastic valve. When evacuated a force in excess of 1400N is required to separate them. The can be evacuated with Hand Operated Pump B8A78931.
To determine the value of ‘g’ by timing the fall of a steel ball.
The release unit consists of a plate 90 x 45 x 3mm carrying a pair of metal clips connected to 4mm sockets. The clips are opened, thus dropping the ball and breaking the contact between the clips.
The trip unit is...
An ideal solution to the common physics experiment demonstrating that sound will not travel in a vacuum.
Place the bell jar on the pump plate, briefly connect the power supply. The bell can be heard ringing. Connect the vacuum pump to the pump plate and evacuate as much air as possible. Cl...
Tinplate box with 130mm sides. The vertical faces of the box are blackened, roughened, varnished and polished respectively. The top opening is 75mm diameter and is fitted with a lid. The apparatus is filled with water maintained at boiling point by a low bunsen flame. Infra-red sensors may be use...
Easy-Read Attachment - 20mA d.c. Attachment
The black shunts adapt the Easy-Read for current measurement, and their sockets are found in the ends of the attachment (current passes through). The orange multipliers adapt the Easy-Read for voltage measurements, and have their sockets on the fr...
MFA - Microelectronics For All
MFA is one of the most popular and accessible microelectronics teaching packages.
This board is used to establish the ideas of inputs and outputs, high and low ‘logic’ levels, and how decisions are based on a set of conditions.
The board car...
Motion QED is a popular self-contained unit designed to store and calculate times, speeds and accelerations.
Specification:
Event Timer: From 2 to 8 readings, timing each event.
Interval Timing: From 1 to 4 readings: up to 4 successive obstructions on any combina...
The Fast Timer is a versatile, portable instrument for timing brief events with two ranges: 1 to 999.9ms and 1 to 9999μs. The inputs can be controlled by light gates, microphones or mechanical switches, connected via 4mm sockets. Two sockets provide 0 and 5V for connection to sensors if re...
Easy-Read Attachments - 20V a.c. Attachment
Easy-Read Attachments - 10A d.c. Attachment
Easy-Read Attachments - 20V d.c. Attachment
The black shunts adapt the Easy-Read for current measurement, and their sockets are found in the ends of the attachment (current passes through). The orange multipliers adapt the Easy-Read for voltage measurements, and have their sockets on the f...
Easy-Read Attachments - 1A/10A a.c. Attachment
The black shunts adapt the Easy-Read for current measurement, and their sockets are found in the ends of the attachment (current passes through). The orange multipliers adapt the Easy-Read for voltage measurements, and have their sockets on the...
Based on our exclusive Motion QED unit the kit contains: one Motion QED unit, one Master Light Gate and one Slave Light Gate. Up to eight transitions of the light gates can be sensed and the times stored by the Motion QED unit.
For connection to Motion QED only. As above except both power and signal are carried by a single DIN lead. A further DIN lead connects the master light gate to a slave light gate. The 2 DIN leads included in the kit replace the need for eight 4mm leads, carrying both signal and power.
MFA is a simple but powerful introduction to microelectronics. With emphasis on practical problem-solving, it will challenge your students to use the building blocks of electronics: input-process-output.
The USB contains a comprehensive set of PDF publications designed to introduce the...
This fits atop a lantern battery and connects to MFA via a 50cm lead and keyed plug.
• 30MHz bandwidth
• 250mS/s per channel
• =5.8ns rise time
• 8 inch colour TFT LCD display
• Dual channel with external trigger
• Normal sample, peak detect and average sampling mode
• Record length...
Use the meter to monitor and measure the energy useage of any 13 amp rated electrical appliance. Plug the meter in to a powered mains socket and then plug the appliance you want to monitor into it. It also calculates the cost of electricty used and assesses the carbon footprint.
&bul...
Store, dispense and cut Parafilm®, tapes and labels. ABS dispenser designed with a safety razor that slides and cuts with no damage to fingers. Supplied with two easily exchangeable cutting blades. 120 x 156 x 171mm.
An economically priced, high-quality, precision manufactured instrument capable of quantitative work. The main structural parts including the collimator and telescope bodies are manufactured from heavy castings for durability and precision. This lab-quality spectrometer offers excellent quality a...
A battery operated LED Ray Box comprising of a die cast enclosure which delivers white light but runs much cooler than conventional incandescent lamp models. It uses the latest cool ultra bright LED technology giving superior white light. Supplied complete with slit plate and its own battery powe...