| Radiant Heater Unit 
A compact, 400W radiant heater which has several advantages over others on the market. These are: Cost -the heater is 25% cheaper than the leading competitor - more if you purchase a class set. Ease of use - the unit can be used by four groups simultaneously. Power - the heater is 400W, our competitor's is 300W. Reliability - the rugged radiant lamp element is guaranteed for 10,000 hours! Safety - the radiant element is enclosed in a porcelain outer and is protected by a sturdy, fingerproof earthed cage. The unit gives out virtually no light - the 400W is almost all converted to heat energy. The heater is mounted on a sturdy, powder coated steel base fitted with an illuminated rocker switch.. Radiant Heater Unit £99.00 Class set (10+) £90.00 + free P&P Microscope Lamp £12.60 A compact quartz halogen lamp with adjustable head and arm and on/off switch. Complete with 20W quartz halogen lamp and mains plug. Battery Holders 
Holds 4 D cells with outputs at 1.5, 3, 4.5 and 6V. Two types; -4mm with colour coded 4mm socket outputs -crocodile clip outputs Battery Holder 4mm sockets £9.45 Battery Holder crocodile clips £9.45 Goggles Standard 
Anti-mist, impact and splash resistant goggles for general laboratory use. Pack of 20 £16.00 Small 
Anti-mist, impact and splash resistant goggles for general laboratory use. Smaller size than our standard goggles, so particularly suited to Primary School use. Pack of 20 £20.00 | EK1 Electricity Kit £22.00 
A basic electricity kit for primary schools. The unit comprises a box which holds four “D” cells. The lid of the box is fitted with output terminals giving 1.5, 3, 4.5 or 6V.The lid is also fitted with two 6V lamps and two rocker switches. This allows the pupils to explore series and parallel wiring, the use of switches, conductors and insulators etc. The unit may also be used as a battery holder for other electricity experiments. Comes complete with 4mm plugged leads. Requires 4xD cells – we recommend Alkaline Manganese type. Technician’s Friend £6.99
A superb addition to the toolbox. Amongst other things, it allows for the checking of mains plug fuses without dismantling the plug, tests for breaks in mains cables, checks out 3cm wave apparatus, tests microwave doors for leakage and a 101 other things too numerous to mention.Essentially it is an electric field strength meter. Resistance Substitution Box 
A 6 decade resistance substitution box ideally suited to school or college use. The box will simulate resistances from 1ohm to 999,999ohms in 1ohm steps. The value selected is clearly indicated on the dials. An additional 1Kohm resistor is provided allowing the user to use the unit as a potential divider. Resistance Substitution Box £39.00 Capacitance Substitution Box 
A 5 decade capacitance substitution box ideally suited to school or college use. The unit will simulate capacitances from 100pF to9.9999uF in 100pF steps. Output is via 4mm terminal posts. Capacitance Substitution Box £45.00 Plasma Ball 
A large, 8" diameter Plasma ball that looks fantastic in a darkened room. The unit may be used for illustrating E=hv, capacitance effects, voltage breakdown of gases, differing energy states etc. Used with our technicians' friend tester you can demonstrate electric field strength. A valuable addition to any science department and a real wow for open days. Plasma Ball £50.00 | | |
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