Technology Supplies Ltd Power Supplies & Instrumentation

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	Miniature Regulated PSU 300ma Ref: 250-540sc 300mA DC battery eliminator. Tamper proof case. DC voltages 3 4.5 6 7.5 9 & 12v. Regulated 300mA & 500mA versions. Plug directly into a 13A 3pin mains socket. Reverse polarity switch & LED mains indicator. Internal thermal overload fuse protection. 2M lead. Please note. These units are not suitable for recharging batteries. £5.95(Excluding: VAT at 17.5%)


	Professional Bench PowerSupply Ref: 250-554sc High performance 0-30V/5A professional regulated bench power supply. The unit is housed in a rugged metal cabinet, and is designed for full load continuous use for up to 8 hours. - Low noise and ripple - Preset voltage and current option - Auto voltage/current switchover - Automatic cutout protection - Dual LED displays Specifications: Output voltage 0-30V (accuracy +- 0.1% + 1) Voltage resolution 10mV Output current 20mA - 5A (accuracy +- 0.4% + 1) Current resolution 10mA Load effect CV: 1x10-4 +2mV CC: 2x10-4 +2mA Temperature coefficient 150ppm/oC Ripple and noise <0.5mV RMS Response time <100us LED display 4 digits voltage. 3 digits current. Dimensions 330x130x165mm Weight 7.2Kg Fixed voltage output 5V 1A (ripple & noise <0.3mV RMS) £89.95(Excluding: VAT at 17.5%)


	Battery Replacement PSU Ref: 260-314sc A low cost alternative to dry cell batteries. Housed in a robust ABS plastic case. Ideally suited as a replacement in applications where batteries are normally used. Smoothed and regulated d.c. over those ranges selected by rotary switch. Output is via 4mm red and black sockets. Voltage outputs 1.5 3 4.5 and 6V at 1A. Electrical supply: 220-240 a.c. 50-60Hz 12VA. Dimensions: 100 x 150 x 80mm. Weight: 0.85kg. £49.50(Excluding: VAT at 17.5%)


	Student Power Supply Lockable Ref: 260-315sc Voltage 2/4/6/9/12/14V a.c. or unsmoothed d.c. at 4A continuously or up to 5A for periods of 1 hour. Voltage ranges are selected and locked by means of a removable key. In any incidence of overload including direct short a current sensing circuit breaker mounted on the front panel will operate and disconnect the output voltage. Outputs are taken from colour coded 4mm sockets mounted on the front panel. An illuminated on/off switch is mounted on the rear panel adjacent to a fused appliance inlet. Housed in a robust metal case with a durable powder coated finish. Supplied with key and instructions. A pair of graphs showing how the output voltage of this power supply varies as the current supplied is increased is included in the instruction leaflet. Electrical Supply: 220-240V a.c. 50-60Hz. Dimensions: 179 x 190 x 85mm. Weight: 3.2kg £88.99(Excluding: VAT at 17.5%)


	Key for 260-315 Ref: 260-316sc Spare key for Student Power Supply 260-315. £2.67(Excluding: VAT at 17.5%)


	Student Power Supply non-lock Ref: 260-317sc Voltage 2/4/6/9/12/14V are selectable by rotating switch. It will deliver up to 4A output continuous and max current for one hour 5A either a.c. or d.c. output sockets and is ideal for all heater or lamp requirements. The a.c. and d.c. ouputs can be used simultaneously provided that the current doesn’t exceed 4A in total. Fitted with a thermal overload protector. An illuminated on/off switch is mounted on the rear panel adjacent to a fused appliance inlet. Enclosed in a robust metal case with a durable powder coated paint finish. Supplied with a detachable mains lead and instruction leaflet. Electrical Supply: 220-240V a.c. 50-60Hz. Dimensions: 179 x 190 x 85mm. Weight: 3.2kg £77.47(Excluding: VAT at 17.5%)


	Varivolt Power Supply Non-lock Ref: 260-318sc Continuously variable 0-12V a.c. and full wave rectified d.c. at maximum 6A continuously or 8A for short periods. Resettable thermal cut-out. Outputs from two pairs of colour coded 4mm sockets. Output voltage is indicated by means of a calibrated scale. An illuminated on/off switch is mounted on the rear panel adjacent to a fused IEC mains inlet. Enclosed in a robust metal case with a durable powder coated finish. Electrical Supply: 220-240V a.c. 50-60Hz. Dimensions: 255 x 220 x 110mm. Weight: 4.75kg. £147.99(Excluding: VAT at 17.5%)


	Power Supply 5A ac/dc 2-12V Ref: 260-340sc Simultaneous use of ac and dc up to 5A continuous. Short term current up to 7A. Safety features include a keyswitch which inhibits voltages above 6V. Housed in a rugged steel case. It has a push button reset. £98.70(Excluding: VAT at 17.5%)


	Power Supply 5A ac/dc 1-12V Ref: 260-341sc Simultaneous use of ac and dc up to 5A continuous. Short term current up to 7A. Safety features include a keyswitch which inhibits voltages above 6V. Housed in a rugged steel case. It has an automatically resetting cut-out. £98.70(Excluding: VAT at 17.5%)


	Power Supply 8A ac/dc 2-12V Ref: 260-342sc A solid general purpose power supply giving 2 4 6 8 10 and 12V ac/dc at up to 8A continuous. Apart from the standard automatic short circuit protection the unit contains a unique electronic locking system. By inserting a screwdriver into a hole on the underside of the case the maximum available output is clearly displayed on a bank of LED's on the front panel. Ac or dc is available through two pairs of terminal posts - ac/dc selection is made via a removable key. £107.10(Excluding: VAT at 17.5%)


	Power Supply EHT 5kV Ref: 260-343sc Continuously variable output from 100V to 5kV displayed on a 0 to 5kV barmeter. £225.00(Excluding: VAT at 17.5%)


	Signal Generator Eagle Ref: 290-134sc A good quality high performance signal generator covering the frequency range 1Hz to 100kHz with sine square and triangular waveform outputs. Housed in a traditional metal case and designed for use from 240V 50Hz mains supplies. The output is available from 4mm sockets at high impedance (600O) or low impedance (4 - 15O) for loudspeakers etc. £130.86(Excluding: VAT at 17.5%)


	PSU Current Limited 5v 1amp Ref: 250-545sc Current limited to a maximum of 1A. This makes it particularly suitable to electronics worl where high short-circuit currents can damage sensitive components. Recommended for Locktronics. £38.58(Excluding: VAT at 17.5%)


	Power Supply Unit 5v Ref: 250-546sc These robust units can be used with a range of electronic and construction kits such as MFA System Alpha Omega Lego and Locktronics. They are double insulated fully regulated stabilised and feature overload and short circuit protection. Each unit has 4mm output sockets and an LED short circuit indicator fitted to the front of the power supply. £27.56(Excluding: VAT at 17.5%)


	Power Supply 6v Ref: 250-547sc These robust units can be used with a range of electronic and construction kits such as MFA System Alpha Omega Lego and Locktronics. They are double insulated fully regulated stabilised and feature overload and short circuit protection. Each unit has 4mm output sockets and an LED short circuit indicator fitted to the front of the power supply. £27.56(Excluding: VAT at 17.5%)


	Power Supply 9v Ref: 250-548sc These robust units can be used with a range of electronic and construction kits such as MFA System Alpha Omega Lego and Locktronics. They are double insulated fully regulated stabilised and feature overload and short circuit protection. Each unit has 4mm output sockets and an LED short circuit indicator fitted to the front of the power supply. £27.56(Excluding: VAT at 17.5%)


	Universal Mains Adaptor Ref: 250-549sc For use with a wide range of portable equipment. DC voltages 1.5 3 4.5 6 7.5 9 & 12v. Regulated and stabilised output. 1.2 Amp current maximum. Double insulated. Complete with 6 interchangeable. Adaptors mains cable & plug. £10.75(Excluding: VAT at 17.5%)


	Variable PSU 312 1.5 30V 1 amp Ref: 250-557sc Variable Power Supply Unit 3-12V 1 amp. This is a continuously variable 1 amp DC PSU which delivers 3 to 12 volts of smoothed regulated power. The maximum output voltage can be limited easily. It has an automatic cut-out alarm and LED indicator if overloaded or short circuited and automatic reset when the fault is removed. £72.75(Excluding: VAT at 17.5%)

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