Electricity & Electronics

This moving coil meter is fitted onto large carrier and provides an easy visual reading of current.

Locktronics Resistor, 3.9 ohm, 3 W, 5%.

Locktronics resistor, 10 ohm, 3W, 5%

Locktronics resistor, 100 ohm, 3W, 5%.

Locktronics Potentiometer, 250 ohm.

Locktronics Potentiometer, 100 k.

Locktronics thermistor, 470 ohm, NTC.

Locktronics Diode, power, 1 A, 50 V.

Locktronics connecting link.

Locktronics lampholder, MES.

Locktronics LED, red.

Locktronics blank carrier, small.

Locktronics motor, 3 to 12 V DC, 0.7 A.

Locktronics motor, 6 V, open frame.

Locktronics reed relay, normally open.

Locktronics switch, push to make, metal strip.

Locktronics reed switch, normally open.

Locktronics solenoid.

Locktronics buzzer, 6 V, 15 mA.

This carrier connects an external power supply to a carrier with a battery symbol on it to allow 'plug top' power supplies to be used with Locktronics kits.

35 pillar Locktronics baseboard used to mount your Locktronics carriers onto to build your circuit.

16 pillar Locktronics baseboard onto which you can securely mount your Locktronics carriers to build your circuit. Board comes with battery retaining clips.

Locktronics battery retaining clip.

This kit provides comprehensive range of practical assignments for electricity and magnetism and is ideal for those who are studying science and electricity for science students. The kit is supplied with comprehensive set of worksheets that cover the electrical and electronic principles. Suitable for students of Physics aged 16 to 18. Kit contains: • Plastic trays lids • 1 Power supply • 1 Small bar magnet • 3 MES bulb, 6 V, 0.04 A • 1 Capacitor, 22,000 µF, Electrolytic 16 V • 1 Locktronics User Guide • 1 Resistor, 100 ohm, 1 W, 5% (DIN) • 1 Capacitor, 1,000 µF, Electrolytic 30 V • 1 Resistor, 10 ohm, 1 W 5% (DIN) • 1 Resistor, 47 ohm, 1/2 W, 5% (DIN) • Transformer, 2:1 turns ratio • 1 Light dependent resistor • 1 Resistor, 1 k, 1/4 W, 5% (DIN) • 1 Resistor, 10 k, 1/4 W, 5% (DIN) • 1 Resistor, 270 ohm, 1/2 W, 5% (DIN) • 1 Potentiometer, 250 ohm (DIN) • 1 Resistor, 5.6 k, 1/4 W, 5% (DIN) • 1 Resistor, 3.9 ohm, 3 W, 5% (DIN) • 1 Resistor, 68 ohm 1/2 W, 5% (DIN) • 12 Connecting Links • 3 Lamp holders, MES • 1 x 400 turn induction coil • 1 Thermistor, 4.7 k, NTC (DIN) • 1 Capacitor, 2,200 µF, Electrolytic, 25 V • 1 Capacitor, 1 µF, Polyester • 1 Switch, on/off, metal strip • 1 Resistor, 22 k, 1/4 W, 5% (DIN) • 1 Choke, 47 mH • 1 Resistor, 2.2 k, 1/4 W, 5% (DIN) • LED, red, 12V (SB) • 1 Curriculum CD ROM • 3 AA battery holder carrier • 1 x 1:1 transformer with retractable ferrite core • 1 Nichrome Wire Carrier, 0.075 500 mm • 1 Nichrome Wire Carrier, 0.075 250 mm • 1 Nichrome Wire Carrier, 0.21 500 mm • 1 Constantan Wire Carrier, 0.075 500 mm • 1 Power supply carrier with battery symbol • 7 x 5 metric baseboard with 4 mm pillars Topics students can study include: • Batteries in series and parallel • Internal resistance of batteries • Power dissipation and efficiency • Potential dividers • Resistivity • Kirchoff's laws • AC circuits • Capacitors • Transformers

This kit provides comprehensive range of practical assignments into electricity and magnetism and is ideal for those who are studying science and electricity within wide variety of academic or vocational courses. The kit is supplied with comprehensive set of worksheets that covers the electrical properties of materials, and introduces students to electricity. Suitable for pupils from age 11 upwards. Kit contains: • 1 Locktronics blister pack clear tray insert • 1 Adjustable DC power supply • 2 BNC male to dual 4 mm binding posts • 1 AC voltage source carrier • 1 Resistor, 100 ohm, 1 W, 5% (DIN) • 1 Low power solar motor • 1 Resistor, 1 k, 1/4 W, 5% (DIN) • 2 Resistors, 10 k, 1/4 W, 5% (DIN) • 1 Potentiometer, 10 k (DIN) • 1Capacitor, 0.1 µF, Polyester • 9 Connecting Links • 1 Thermistor, 470 ohm, NTC (DIN) • 2 Leads, red, 500 mm, 4 mm to 4 mm stackable • 3 Leads, black, 500 mm, 4 mm to 4 mm stackable • 1 Lead, blue, 500 mm, 4 mm to 4 mm stackable • 1 Capacitor, 100 µF, Electrolytic, 25 V • 1 Capacitor, 1 µF, Polyester • 1 Op Amp Carrier (TL081) with 2 mm to 4 mm Lead • 1 LED, red, 12 V (SB) • 1 LED, green, 12 V (SB) • 1 Dual rail power supply carrier • 1 Speaker • 1 Voltmeter, +/- 7.5 V The following experiments and learning objectives are covered: • Electrical properties of materials • Simple circuits • Heat and magnetism • Basic circuit symbols • Current flow • Series and parallel circuits • Patterns of voltage and current • Electrical sensors • Relays and electromagnets

This kit is complete teaching and storage solution with classroom friendly trays and foam to keep carriers tidy and secure. The solution comes with baseboard with battery retaining clips, power supply and power supply carrier allowing you to choose the most appropriate power source for teaching simple circuits. Extensive curriculum is provided to guide the teaching and learning of electricity required at Key Stage 2. Kit contains: • 1 x Deep storage tray with lid, foam insert and daughter tray • 1 x International power supply • 3 x 2.5 V, 0.2 A MES bulbs • 1 x Locktronics baseboard with battery retaining clips • 9 x Connecting Links • 3x Lampholder carriers • 1 x 75 mm black lead • 1 x 75 mm red lead • 1 x Press switch • 1 x On/off switch • 1 x Buzzer • 1 x Motor • 1 x Curriculum pack CD ROM • 1x Power supply carrier with battery symbol

19 mm width. In rolls of 20 m.

Socket in the top providing an in-line stackable facility. The lead wire is clamped in position by screw located at the bottom of the socket. Sold in packs of 5.

Socket in the top providing an in-line stackable facility. The lead wire is clamped in position by screw located at the bottom of the socket. Sold in packs of 5.

Rheostats ideal for school use. Consisting of heavily oxidised resistance wire wound upon vitreous enamelled steel tube and locked into place with ceramic cement, multi-leaf phosphor bronze heavy duty sliding contact on nickel plated rod. Robust enamelled die-cast end stands and 4 mm socket terminals. Dimensions (Dia.): 43 mm.

Rheostats ideal for school use. Consisting of heavily oxidised resistance wire wound upon vitreous enamelled steel tube and locked into place with ceramic cement, multi-leaf phosphor bronze heavy duty sliding contact on nickel plated rod. Robust enamelled die-cast end stands and 4 mm socket terminals. Dimensions (Dia.): 43 mm.

Rheostats ideal for school use. Consisting of heavily oxidised resistance wire wound upon vitreous enamelled steel tube and locked into place with ceramic cement, multi-leaf phosphor bronze heavy duty sliding contact on nickel plated rod. Robust enamelled die-cast end stands and 4 mm socket terminals. Dimensions (Dia.): 43 mm.

Rheostats ideal for school use. Consisting of heavily oxidised resistance wire wound upon vitreous enamelled steel tube and locked into place with ceramic cement, multi-leaf phosphor bronze heavy duty sliding contact on nickel plated rod. Robust enamelled die-cast end stands and 4 mm socket terminals. Dimensions (Dia.): 43 mm.

Rheostats ideal for school use. Consisting of heavily oxidised resistance wire wound upon vitreous enamelled steel tube and locked into place with ceramic cement, multi-leaf phosphor bronze heavy duty sliding contact on nickel plated rod. Robust enamelled die-cast end stands and 4 mm socket terminals. Dimensions (Dia.): 43 mm.

Rheostats ideal for school use. Consisting of heavily oxidised resistance wire wound upon vitreous enamelled steel tube and locked into place with ceramic cement, multi-leaf phosphor bronze heavy duty sliding contact on nickel plated rod. Robust enamelled die-cast end stands and 4 mm socket terminals. Dimensions (Dia.): 43 mm.

Rheostats ideal for school use. Consisting of heavily oxidised resistance wire wound upon vitreous enamelled steel tube and locked into place with ceramic cement, multi-leaf phosphor bronze heavy duty sliding contact on nickel plated rod. Robust enamelled die-cast end stands and 4 mm socket terminals. Dimensions (Dia.): 43 mm.

Rheostats ideal for school use. Consisting of heavily oxidised resistance wire wound upon vitreous enamelled steel tube and locked into place with ceramic cement, multi-leaf phosphor bronze heavy duty sliding contact on nickel plated rod. Robust enamelled die-cast end stands and 4 mm socket terminals. Dimensions (Dia.): 43 mm.

Slide wire pattern with four gaps for known and unknown resistors. A straight resistance wire stretched along metric scale mounted on wooden base. Wire can be easily replaced if damaged or broken. Complete with jockey. All connections are low resistance and via standard 4 mm sockets. Length: 1.5 m.

Slide wire pattern mounted on rigid anodized aluminium base fitted with a metric scale with two equal lengths of constantan wire running across their length. Connection to the resistance wires is made via 4 mm sockets. Resistance wires located along the meter rules, giving total length of 2 metres. Complete with knife jockey. Resistance of wire approx 2 Ω/m.

Jockey for Potentiometer

A four decade resistance box covering to 9999Ω in 1Ω steps. Plastic enclosure box with resistance values 5% tolerance. Dimensions (L x W x H): 165 x 80 x 50 mm.

This apparatus provides the basis for student investigations into resistance. Four wires, 500 mm long mounted on an acrylic base and connected via 4 mm sockets. The wires are all Nichrome with diameters of 1.0, 0.8, 0.63 and 0.4 mm giving resistances in the range 0.4 to ohms. A graduated mm scale is included allowing resistance length and resistance This apparatus provides the basis for student investigations into resistance. diameter investigations to be easily covered. Dimensions (L): 500mm.

Mini substitution unit using a single rotary switch to select from twelve values all at 5% 0.5 W. Values in are 100, 330, 470, 680, 1k, 3.3k, 4.7k, 6.8k, 10k, 33k, 47k and 100k. Connections via 4 mm sockets.

A decade resistance substitution box ideally suited for school or college use. The box will simulate resistances from to 999,999 Ω in 1 Ω steps. The value selected is clearly indicated on the dials.

This apparatus contains an NTC bead thermistor with nominal resistance of 4.7 kΩ in a glass tube with electrical connection made by means of 4 mm sockets. Students from KS3 to Post-16 can carry out practical investigations into the thermistor characteristics. Full instructions and specimen results included. Dimensions (L): 220 mm.

Conducting putty is a useful aid to teaching resistivity and the relationship between length and cross-sectional area on resistance. A cylinder 60 mm long and 20 mm in diameter has a resistance of approximately 20 Ω. Can readily be connected into an electrical circuit and both length and diameter can easily be altered by 're-moulding' the putty. Although harmless, plastic gloves are provided to prevent hands from becoming stained. Approx. 100 g.

A 4 mm screw-socket which can be mounted on to panels up to 12.7 mm thick. Supplied in packs of 5. • Current: 10 max • Height above panel: 24-32 mm • 14 mm outer diameter • Thread size 4BA

A 4 mm screw-socket which can be mounted on to panels up to 12.7 mm thick. Supplied in packs of 5. • Current: 10 max • Height above panel: 24-32 mm • 14 mm outer diameter • Thread size 4BA

A handy sized, more environmentally friendly lead-free alloy solder which contains non-corrosive flux. Size: 1 mm dia. X 2 m long. Contains 99.3% tin and 0.7% copper.

General purpose soldering iron to BS3456 (2.14) featuring the same double shaft principle as CS-18. Very low current leakage (1 uA maximum). 230V AC with PVC cable and fitted 13A mains plug to BS1363A. Supplied with 3 mm bit. Operating tip temperature: 420°C.