Mini National Grid

Other equipment needed is two standard 4mm plugged leads and a power supply capable of delivering 2-3 volts at 1 amp.

Description

Code: ENG1050

Our mini national grid system is a very cost-effective way of teaching the principles used by the National Grid to supply electrical power to our homes. This kit comprises two printed circuit boards and a set of “HT” leads to interconnect them and is SELV (Safety /Separated Extra Low-Voltage) classed, which means that no part of the system is at more than 50 volts – which means it is very safe and suitable for student use. The system allows the user to compare electrical transmission at low and high voltages and the results are displayed by the brightness of the two on-board MES lamps which are supplied.

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DescriptionOther equipment needed is two standard 4mm plugged leads and a power supply capable of delivering 2-3 volts at 1 amp.

Code: EPU0201

A very popular and compact Westminster power supply that is ideal for school use in Key stage 4 and 5 physics lessons with its tough steel case protected by a tough powder coated finish that will last years of use. The unit will deliver up to 16A AC or DC through its colour coded terminal posts. This power supply is very popular for use in electromagnet experiments.

Code: ERS8050

A six-decade resistance substitution box designed for use in educational establishments.

Code: EPU0113

A compact power supply offering 2, 4, 6, 8, 10, and 12 volts at currents of up to 5A. Both dc and ac outputs may be used simultaneously up to the rated output. The output is protected by a push button cut-out. The unit is 2A fused on the back panel and comes complete with a moulded mains lead and plug. 4 units are designed to fit in a shallow Gratnell tray.

Pack of 10 24V 21W Small Bayonet Cap (SBC) Radial Filament Lamps.
Solid steel Small Bayonet Cap (SBC) lamp holder with a tough powder coat paint finish and a solid brass lamp holder with 2 x 4mm electrical sockets. Ready to use supplied with a 12V 24W Lamp.
Content

Code: ENG1050

Our mini national grid system is a very cost-effective way of teaching the principles used by the National Grid to supply electrical power to our homes. This kit comprises two printed circuit boards and a set of "HT" leads to interconnect them and is SELV (Safety /Separated Extra Low-Voltage) classed, which means that no part of the system is at more than 50 volts - which means it is very safe and suitable for student use. The system allows the user to compare electrical transmission at low and high voltages and the results are displayed by the brightness of the two on-board MES lamps which are supplied.
  • AC & DC Output: Voltages 1-2V
  • Current 16A
  • Voltage type - Fixed
  • Output type - Full wave rectified DC & AC
  • Mains input 230/240V AC, 50Hz
  • Supplied with mains plug and lead
  • Manufactured in the UK
  • Simulates resistances from 1Ω to 999,999Ω in 1Ω steps
  • The required resistance is set by selecting the correct value from six rotary decade switches which clearly indicate the value selected by the student
  • An additional 1kΩ resistor is provided connected between one of the terminals of the internal resistance and a third terminal so the unit can be used as an accurate potential divider
  • All outputs are on 4mm terminals with 4mm sockets
  • Housed in a tough ABS box with non-slip rubber feet
  • Voltage rating 250V
  • Power rating 600mW
  • Dimensions 110 x 75 x 50mm
  • Designed and manufactured in the UK
Specification 
  • Input Supply voltage 230V dc 
  • Supply frequency 50Hz 
  • Mains fuse Rear panel 2A, 20mm quick blow Mains plug 3A 
  • Output Voltage 2, 4, 6, 8, 10, 12V ac nominal 1, 3, 5, 7, 9, 11V full wave rectified dc nominal
  • Maximum output current 5A ac or dc
  • Manufactured in the UK

Code: OPR1221

Pack of 10 24V 21W Small Bayonet Cap (SBC) Radial Filament Lamps.

Code: OPM5024

Pack of 10 Solid steel Small Bayonet Cap (SBC) lamp holder with a tough powder coat paint finish and a solid brass lamp holder with 2 x 4mm electrical sockets. Ready to use supplied with a 12V 24W Lamp.
Weight
DimensionsN/AN/AN/AN/AN/AN/A
Additional information