• Maximum rating: 250V a.c. Pack of 1 "

  A miniature double pole double throw slide switch suitable for panel mounting. Connections are by solder tags.

  • Maximum rating: 250V a.c., 0.25A

  • Dimensions of body: 15 x 8 x 7mm

  • Fixing centres: 19mm

  • Pack of five

A set of 16 discs (25mm in diameter) for demonstrating that some metals are magnetic, whilst others are not, and for general metal identification e Pack of 1 "

This is useful for demonstrating that some metals are magnetic whilst others are not, and for general metal identification exercises.

Comprises of sixteen discs, 25mm diameter, two each of mild steel, brass, nickel, silver, bronze, aluminium and copper.

One of each pair is stamped...

A set of twelve metal strips for magnetism work. Each stamped with a key letter for identification. Ideal for experiments to demonstrate magnetic p Pack of 1

A set of twelve metal strips for magnetism work. Each stamped with a key letter for identification.

WARNING! Not Suitable for Children under 3 yea Pack of 1

Each Plotting Compass is in a metal case.

Diameter:16mm

Pack size: 10

WARNING! Not Suitable for Children under 3 years due to small parts.

This product contains magnets or magnetic components.

Magnets can cause serious or fatal injury if swallowed.

The Philip Harris range of digital meters have been designed to provide accurate, high quality instruments for education applications. The design o Pack of 1 "

Range: 0 to 19.99A d.c. only.

Internal resistance: 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 eq...

The Philip Harris range of digital meters have been designed to provide accurate, high quality instruments for education applications. The design Pack of 1

Digital Voltmeter

0 to 19.99V D.C only.

Overload capability: ±100V.

Internal resistance: 1M?.

Display: 31/2 digit LCD with polarity and low battery indication.

Battery: Internal 9v battery PP3 or equivalent (not included).

Expect...

• Iron,
• Steel,
• A Pack of 1 "

  The Materials Collection comprises of twenty magnetic and non-magnetic materials:

  The set includes:

  Iron, steel, aluminium, wood, polythene, brass, rubber, copper, wool, nylon, cork, lead, zinc, carbon, glass, PVC, cotton, cardboard, perspex and nickel.

  "

• Frequency: 420Hz approx.
• Current: 17mA max.
• Output: 83dB at 0.2m
• Di Pack of 1

  Transistorised type with 100mm flying leads. Frequency 420Hz approx. Current: 17mA max. Output: 83dB at 0.2m.

  Dimensions: 23 x 17 x 15mm.

A miniature push button switch with a momentary push-to-make single pole action. Connections are by solder tags, and the switch may be mounted on a Pack of 1 "

A miniature push button switch with a momentary push-to-make single pole action. Connections are by solder tags, and the switch may be mounted on a panel having a 7mm diameter hole via its threaded bush and nut. Maximum rating: 250V a.c., 0.5A. Button diameter: 6mm.

Dimensions:...

Low voltage d.c. electric motor suitable for model making and similar applications. Has cylindrical body with either white metal or phosphor bronze Pack of 1

A range of low voltage d.c. electric motors suitable for model making and similar applications. All have cylindrical bodies with either white metal or phosphor bronze bearings. Electrical connection is by solder tags on the rear end clips. EACH.

Voltage range: 1.5 - 3V

Torque g/cm...

Low voltage d.c. electric motor suitable for model making and similar applications. Has cylindrical body with either white metal or phosphor bronze Pack of 1

A range of low voltage d.c. electric motors suitable for model making and similar applications. All have cylindrical bodies with either white metal or phosphor bronze bearings. Electrical connection is by solder tags on the rear end clips. EACH.

Voltage range: 3-6V

Torque g/com...

In the BEK Advanced Kit, the components are mounted on bright yellow plastic bases, each with two 4mm diameter sockets. Excellent for more advanced Pack of 1

Kit Contains:

5000? Thermistor

1N5401 Diode

White LED (30mA Max)

100? 5W Variable resistor

1k? 0.5W resistor

470? resistor

100? 1W resistor

47? 2W resistor

22? 2W resistor

10? 2W resistor

2200uF capacitor

10F super cap...

BEK NTC Thermistor mounted on a yellow baseplate with sockets to accommodate the connection of 4mm plug leads. Excellent for general circuit work.< Pack of 1

BEK 5kOHMs NTC Thermistor

BEK general purpose Diode mounted on a yellow baseplate with sockets to accommodate the connection of 4mm plug leads. Excellent for general circui Pack of 1 "

A general purpose diode, 3A maximum current

BEK Super Capacitor mounted on a yellow baseplate with sockets to accommodate the connection of 4mm plug leads. Excellent for general circuit work Pack of 1

BEK 10F Super Capacitor

The Unilab BEK Ammeter is a new addition to the Unilab Basic Electricity Kit range. This simple, miniature Ammeter is an ideal way to make current Pack of 1 "

The Unilab BEK Ammeter is new addition to the Unilab Basic Electricity Kit. This simple, miniature, Ammeter is an ideal way

to make current measurements in electrical circuits. If the maximum current of 2A is exceeded, the Ammeter will automatically limit the current to 0.5A (Typ) and wil...

The Unilab BEK Voltmeter is a new addition to the Unilab Basic Electricity Kit. This simple, miniature Voltmeter is an ideal way to make Voltage me Pack of 1 "

The Unilab BEK Voltmeter is new addition to the Unilab Basic Electricity Kit. This simple, miniature, Voltmeter is an ideal way to make Voltage measurements in electrical circuits.

Specification:

Resolution 10 mV

Accuracy ...

BEK Storage Tray Foam Insert fits inside a Gratnells tray. Compartments fitted for BEK Tiles. Perfect for seeing which tiles are available or mis Pack of 1

BEK Storage Tray Foam Insert fitting a Gratnells tray. Perfect for seeing which tiles are availble or missing

UNI-T's UT139B is a True RMS Auto Range Digital Multimeter with 4000 display count and 1kHz bandwidth, featuring VFC, NCV, Max/Min/Rel measurements Pack of 1 "

UNI-T's UT139B is a True RMS Auto Range Digital Multimeter with 4000 display count and 1kHz bandwidth, featuring VFC, NCV, Max/Min/Rel measurements.

The meter can measure AC/DC Voltage and Current, variable frequency voltage (V.F.C.), resistance, diode, circuit on-off, capacitance, fre...

Gr Pack of 1

An assembly supports a coil so that it can be easily slide up and down a support tube and locked in position. When a small cylindrical magnet (supp Pack of 1

These Search Coils consist of 5000 turns of very fine copper wire on a bobbin fixed at one end of fibreglass board (electrically insulated and non Pack of 1

This premium Van de Graaff Generator is designed to allow students to clearly see how this apparatus generates the electrostatic charge necessary t Pack of 1

The Alpha Electronics Kits have been designed to incorporate electronic applications into Physics lessons. The various boards offer versatility an Pack of 1

• 10 x Easy-Read Meters
• 10 x 10A d.c. attachments
• 10 Pack of 1

Consisting of a steel frame with lockable, adjustable jaws which will accept 50mm x 20mm ferrite slab magnets or neodymium button magnets. The fie Pack of 1

This Electromagnetic System developed by Lascells is a self-contained unit allowing students to study the effect of current and number of coils on Pack of 1

The Inverse Square Law apparatus provides a simple way of establishing the relationship between count rate and distance for gamma radiation emitted Pack of 1

• Contains 200mm x 250mm grid for plotting electric fields (20 grids per page)
< Pack of 1

Simple and handy, shows the magnetic lines of forces when a magnet is placed, 46 compasses fixed around the magnet to realize the magnetic lines of Pack of 1

This BSEN 61010 compliant mains coil, when used with the current version of the Dissectible Transformer (B8H26564) and Induction Accessories Set (B Pack of 1

A set of 7 discs (25mm in diameter) for demonstrating that some metals are magnetic, whilst others are not, and for general metal identification ex Pack of 1

The ball will not pass through the ring if it is hot and the ring is cold, but i Pack of 1

For demonstrating the differential expansion of 2 metals by the curvature produced when the strip is heated in a Bunsen flame. Comprises strips of Pack of 1

• Dimensions: 75mm x 50mm< Pack of 1

Comprising a cylinder, one half of which is wood, the other half metal. If paper is wrapped tightly round the cylinder and the rod is briefly held Pack of 1

Comprising bars of copper, iron, aluminium and brass with nominal thermal conductivities of 395, 72, 240 and 128 Wm-1K-1 respectively, each 80mm x Pack of 1

In use, the tube is mounted vertically in a retort stand. Convection curr Pack of 1

They may be Pack of 1