Power Supplies


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Power Supply, DC, Regulated, ± 15V, 1A

Code: CHPS0001

A universal DC power supply with continuously adjustable output from 0 to ±15V at 1A current rating, obtainable through a set of three colour coded 4mm shielded sockets and can be varied using the voltage control knob provided on the front panel. Negative voltage with respect to zero through green socket can be had from black socket marked '-', while positive voltage can be had from red socket marked '+'. A 4 digit, 7 segment bright red LED display shows the voltage reading at any instant. The power supply also provides a fix 5V DC output at 1A through another pair of 4mm colour coded sockets. Input fused protected. Output is overload and short circuit protected. The complete unit housed in a specially designed two part aluminum extrusion with insulated plastics side supports for safety. The front panel has an additional 4mm socket for earthing and indicator type ON/OFF switch. Designed for continuous use. Input : 230V ± 10% AC, 47-53Hz Output : 0-15V DC, continuously variable, and 5V DC fixed Current Output : Maximum 1A Stabilization : 0.5% Ripple : 5mV Supplied complete with detachable mains cord.

Smoothing Unit

Code: CHPS0004

A highly performance particularly appropriate for wide range of unregulated DC power supplies. Specially designed to reduce ripples of any un-smoothed DC power supply and to convert into smoothed DC output. Unit comprises of a LC network of an inductor with two 2200µF/63V capacitors. Whole assembly is housed inside an aluminum extrusion channel fitted with high grade sturdy covers with ventilation facility to keep it cool even after operating it for a long time. Scratch proof PVC film is used on front panel to represent the internal circuit used inside the unit.

Electromagnetics Power Unit

Code: CHPS0007

It is fully appropriate where a high current at low voltage is required to perform the experiments associated with magnetic field outputs are available via. 4mm safety terminals with AC voltage at centered taped 1-0-1V and DC at 2V fixed with 10A max. current rating. Whole assembly is housed inside an aluminum extrusion channel fitted with high grade sturdy covers. ABS (Acrylo Nitrile Butadiene Styrene) moulded side covers are used for this unit with ventilation facility to keep it cool even to operate it for a long time. Operating Voltage 110V/220V±10% 50/60Hz selectable via. slider switch

Ripple Tank Controller

Code: CHPS0010

Two fully independent continuously variable DC outputs 0-4.5V each through a pair of colour coded 4mm safety sockets indicated with ripple motor and stroboscope motor supply respectively. A fixed 12V / 48W AC output to power the lamp that accompanies the ripple tank. A beep sound will generate in case of short circuit. Specification: Output voltage 0-4.5V DC regulated variable (for ripple motor & stroboscope motor) Output current 1A DC max. AC output voltage 12V max. (for lamp) Output current 4A AC max. Operating condition 0-40°C, 95 % Rh Operating voltage 110V/220V ±10%, 50Hz / 60Hz selectable via. slider switch.

Fixed Output Power Supply

Code: CHPS0013

Specially designed power supply for study the different characteristics of operational amplifiers where a +15V, 0, -15V DC regulated voltage is required. Whole assembly is housed inside an aluminium extrusion channel fitted with high grade sturdy covers with ventilation fan to keep it cool even to operate it for a long time. A buzzer sound will generate on short circuit and on overload condition. Specification: (1) Output voltage ±15V regulated D.C (2) Output current 1A max. (3) Fuse rating 500 mA / 250V AC (4) Operating Voltage 110V/220V±10% 50/60Hz AC Main

Power Supply, AC / DC, Continuously Variable

Code: CHPS0016

the unit provides continuously variable AC output from 0-25V through a heavy duty step down variable transformer and equivalent DC output through bridge rectifier, at a maximum of 5A current. AC output can be had from a pair of yellow 4mm socket terminals, while DC from a pair of colour-coded socket terminals. The output voltage can be varied through a rotary knob on the front panel and can be read on 4 digit, 7 segment bright red LED display with a toggle switch to select AC or DC measurement. Both input and output protected through slow blow fuse. The complete unit housed in a specially designed two part aluminum extrusion with insulated plastics side supports for safety. With indicator type ON/OFF switch. Designed for continuous use. Supplied with detachable mains lead.

Eht Power Unit

Code: CHPS0019

This is a specially designed universal floating high voltage power source with digital display useful for supplying charge for quantitative electrostatic experiments and also for gas discharge tubes needing a filament supply or even spectrum tubes. A continuously variable output up to 5kV by a transformer having specially insulated winding to withstand EHT voltages. The transformer is tapped directly to provide 6V/3A AC for filament supply. A rotary control knob provided on the front panel adjusts the EHT output from 0 to 5000V DC with a non hazardous maximum load capacity of 2mA (short circuit current) which can be directly read out from a digital meter. All outputs available through 4mm shrouded sockets and are clearly marked for their respective outputs. Whole assembly is housed inside an aluminum extrusion channel fitted with high grade sturdy covers. ABS (Acrylo Nitrile Butadiene Styrene) moulded side covers with ventilation fan to keep it cool even to operate it for a long time. Operating Voltage 110V/220V±10%, 50/60Hz selectable via. slider switch.

Regulated Power Supply

Code: CHPS0022

It is a highly performance, fully IC regulated single output DC power supply particularly suitable for wide range of industrial and laboratory use involving experimental set ups and circuit development applications. The output from the power supply is continuously variable from 0-15V DC at a maximum of 2A through 4mm colour coded safety sockets. The front panel Voltage and current control knobs are provided for adjustments in out put voltage and current respectively. The front panel also has separate 3*1/2 digit LED display for each variable section to monitor output voltage and load current. Whole assembly is housed inside an aluminum extrusion channel fitted with high grade sturdy covers with ventilation facility to keep it cool even after operating it for a long time. Specification:- Output Voltage : 0-15V D.C, Continuously variable Output Current : 0-2A maximum, continuously variable Display : 3*1/2 digit 7 segment LED display for voltage and current Input Voltage : 110V/220V±10%, 50Hz/60Hz Operating Conditions 0-40°C, 95%RH

Power Supply Unit

Code: CHPS0025

A versatile, advanced continuously variable power supply can be used with a No. of experiments. Simply rotate the knob fitted on the front panel to select the appropriate voltage and the voltage will denote on the front panel meter. Two selector switches just below the (DPM) digital panel meter one for the selection of current and voltage meter and another for A.C and D.C. Whole assembly is housed inside an aluminium extrusion channel fitted with high grade sturdy covers. ABS (Acrylo Nitrile Butadiene Styrene) moulded side covers are used for this unit with ventilation fan to keep it cool even for operating it for a long time. A buzzer sound will generate on short circuit and on overload condition. Specification: - Output Voltage : 0-25V D.C, Continuously variable Output Current : 0-8A maximum Display : 3*1/2 digit 7 segment LED display for voltage and current Input Voltage : 110V/220V±10%, 50Hz/60Hz Operating Conditions 0-40°C, 95%RH

Power Supply, 3V Dc

Code: CHPS0028

A simple, economical, power supply providing fixed output of 3V at 1A. Useful for low voltage experiments at moderately high current ratings such as in electromagnetism. Sturdy sheet metal casing with toggle type ON/OFF switch and indicator lamp on front panel. Output available through a pair of colour coded 4mm socket terminals. Supplied with 2-core mains flexible lead.

Power Supply, Eht, 0-5Kv Dc

Code: CHPS0031

This is a specially designed universal floating high voltage power source useful for supplying charge for quantitative electrostatic experiments and also for gas discharge tubes needing a filament supply, or even spectrum tubes. Provides a continuously variable output up to 5kV by a transformer having specially insulated windings to withstand EHT voltages. The fully floating EHT circuit is particularly useful for discharge tube experiments so that the positive or negative terminal may be safely connected to earth and / or one side of the filament. The transformer is tapped directly to provide 6V/1A AC or 12V/0.5A AC filament heating supply, which is also insulated for EHT voltages. A rotary control knob provided on the front panel adjusts the EHT output from 0 to 5000V DC with a non-hazardous maximum load capacity of 3mA (short circuit current) which can be read directly from an analog moving coil meter. All outputs available through 4mm shielded sockets and are clearly marked for their respective outputs. Both input and output fuse protected. The complete unit housed in a specially designed two part aluminum extrusion with insulated plastics side supports for safety. With indicator type ON/OFF switch. Supplied complete with detachable mains lead. Operates on 220-240V AC, 50Hz.

Power Supply For Mass Of Electron Apparatus

Code: CHPS0034

Specially designed power supply for mass of electron apparatus. A 12V fixed DC voltage is available from the colour-coded sockets and current is regulated with the help of the knob fitted on the front panel of the power supply. A dual range highly calibrated analogue meter is used to read out the output voltage and current from the supply and the selection of voltage/current is made via. a mini rocker switch. A fixed high voltage DC 250V/1mA is available on colour-coded socket and 12V/1A AC voltage on yellow colour sockets. Earthing provision is also provided in this power supply. Safety sockets are used to eliminate the risk of shock from high voltage. Illuminated rocker switch is used to power 'ON' the power supply with an indication that the supply is in running stage.

Student New Power Supply

Code: CHPS0037

Specifications
  • Output Voltage: 0~300V adjustable
  • Output Current: 300mA
  • Load Regulation: 30mV
  • Line Regulation: 30mV
  • Ripple: 50mV
  • Display: 3digits LCD with back light
  • Protection: Over current
  • Input Voltage: 220~240VAC±10%
  • Dimensions: 108(W)X154(H)X240(D)mm
  • Weight: 5kg

Student New Power Supply

Code: CHPS0040

  • Features Constant current output
  • Continuously adjustable
  • Short circuit and over voltage protection
  • 3 ½ digits LCD current meter Specifications
  • Output Current: 0~2A(4 steps)
  • Max Voltage: 25V
  • Resolution: 10µ A(0~20mA) 100µA (20~100~200mA) 1mA (200mA~2A)
  • Load Regulation: 0.2%
  • Line Regulation : 0.2%
  • Display: 3 ½ digits LCD with backlight.
  • Input Voltage: 110~127VAC±10% 60Hz 220~240VAC±10% 50Hz switchable
  • Dimensions: 132(W)X160(H)X270(D)mm
  • Weight: 4kg

Power Supply, Ac/Dc, Low Voltage, Stepped

Code: CHPS0043

Similar to Cat No. 2040080, but stepped output voltage in same steps at 2A maximum current selectable through a positive click stop rotary knob. With indicator type ON/OFF switch. Input fused for circuit protection. Operates on 220-240V AC, 50/60Hz. Supplied complete with 2-core mains flexible lead.

Power Supply Ac/Dc

Code: CHPS0046

imply select the appropriate voltage to substitute for all of your battery needs up to 12V. A low voltage AC/DC power supply provides output voltage 1-12V with a step of 1V selectable through a rotary switch mounted underneath the front panel of power supply housed in a well painted metallic box with a knob which rotates with clockwise direction, stop to select the desired value as indicated alongside index mark on the knob. Protection against electrical overload or short circuit is provided by a thermal circuit breaker. AC voltage is available through a pair of blue shrouded sockets, where as DC voltage through a pair of colour coded sockets. A rocker switch is fitted on the front panel, which will light up when we switch ON the power supply. An earthing point is given in between AC and DC output. Main Input : 220-240 V AC, 50Hz Output Voltage : AC/DC 1-12 Volts Current rating : 6A max Primary protection : 2A fuse Secondary protection : Re-settable thermal circuit breaker

Battery Eliminators

Code: CHPS0049

Housed in sturdy, well painted, sheet metal case. Full wave bridge rectifiers, double wound transformers with good-quality enameled copper wire and high-grade laminations minimize losses while ensure continuous trouble-free operation over prolonged use. With toggle type ON/OFF switch and indicator. Multiple tapping output voltages available are 2, 4, 6, 8, 10 and 12V, through a pair of 4mm socket terminals and selectable through rotary knob with positive click stops. Input fused for circuit protection. Operates on 220-240V AC, 50/60Hz. Available in current ratings 2040520/1 500mA 2040520/2 1A 2040520/3 2A 2040520/4 5A Other Ratings also available on specific request.

Power Supply Ac & Dc

Code: CHPS0052

Features
  • Both AC and DC output (DC unregulated)
  • Ease operation
  • Over current protection Specifications
  • AC output 0~25V/2A
  • DC output 0~3V/10A 0~25V/2A
  • Input Voltage 220~240VAC±10%
  • Dimensions 215(W)X110(H)X210(D)mm
  • Weight 5k

Power Supply Ac & Dc

Code: CHPS0055

  • Specifications AC output:6V/10A, 12V/10A, 24V/5A
  • DC output current: 10A
  • Output accuracy: 2.5%
  • Input voltage: 110~127VAC±10%
  • 220~240VAC±10%
  • Dimensions(WXHXD): 215X120X260mm
  • Weight: 5.5kg

Power Supply Ac & Dc

Code: CHPS0058

Specifications
  • AC output: 6V/10A, 12V/10A, 24A/5A
  • DC output voltage ; 6V, 12V, 24A
  • DC output current : 10A
  • DC line regulation : 3%
  • DC load regulation : 5%
  • DC ripple voltage : 50mV
  • Output accuracy: 2.5%
  • Input Voltage : 110~127VAC±10% / 220 ~ 240VAC± 10%
  • Dimensions (WXHXD) : 215X120X260mm
  • Weight: 6kg
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