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Product -> Electrical & Electronics

Starlac offer wide range of Physics Instruments like Electronics Instruments for Educational Institution like School, Colleges. Starlac Electrical & Electronics Instruments range are Resistance Boxes, Condenser Boxes, Potentiometers, Electronic Cell, Oscilloscope.

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Power Supply 12V AC and DC
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Power Supply 12V AC and DC   (EE - 640)

Specifications :-

Mains Input :

220-240V 50/60 Hz

OutputVoltage :

0 to 12V a.c. in 2V steps.
0 to 12V d.c. in 2V steps

Protection :

Both outputs are provided with overload protection.

Output Current :

1Amp, 2 Amp, 3 Amp


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Power Supply, Continuously Variable, 25V
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Power Supply, Continuously Variable, 25V   (EE - 641)

Gives continuously variable a.c. and d.c. output upto 10A for a.c. and 10A for d.c. Two meters are provided to indicate both a.c. and d.c. voltages and current. An internal fuse is provided for input and a resettable cut-out for output. With detachable 1.5 metre mains lead.

Specifications :-

Mains Input :

220-240V 50/60 Hz

Output Voltages :

0 to 25V a.c. and undersmoothened full wave rectified d.c.

Output Current :

10A maximum a.c., 8A maximum d.c.

Voltage Selection :

Rotary continuously variable transformer
operated by a large knob on front panel.

Metering :

A.C. and D.C. output voltages by a moving coil
meter with selector switch to select a.c. or d.c.

Circuit Protection :

Mains input 3A internal glass fuselink. Output
is protected by a resettable cut-out.

Output Terminals :

Colour coded 4mm sockets.


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Power Supply Continuously variable   (EE - 642)

Similar to but current capacity 5 Amps.


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Power Supplies, Regulated, Digital
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Power Supplies, Regulated, Digital   (EE - 643)

These power supplies are d.c. regulated, stabilised, short circuit and overload protected, easy and safe to use as a power source for electronic equipment. The power supply can be operated in either constant voltage on constant current mode. Both voltage and current and precisely regulated with low output ripple. Voltage and current readings are displayed on two separate 3 ½ digit meters.

Output voltage, single or double, is continuously adjustable from 0 to 30vots by coarse and fine controls.

Specifications :-

Mains Input :

3 ½ digit panel meters separately for voltage and current.

Accuracy of DPM :

±0.2% of readings, ±2 least count

Regulation :

±0.05 for current, ±0.05 for voltage

Ripple :

Lessthan3mv,r.m.s.

Input Voltage :

230 Volts ± 10%, 50Hz

Capacity :

1Amp 2 Amp 5 Amp


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Power Supplies, Regulated analogue
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Power Supplies, Regulated analogue   (EE - 644)

As above but output indication is through separate analogue meters.

Capacity

1Amp

2 Amp

5 Amp


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Power Supply H.T.
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Power Supply H.T.   (EE - 645)

General purpose H.T. unit for use with thermionic tubes etc. provides two continuously variable d.c. outputs of 0-25V and 0-300V and a fixed a.c. output of 6.3V for valve heaters. The two d.c. voltages are continuously and indepedently variable. Three meters are provided for reading HT, Bias and LT voltages.

Specifications :-

Main Input :

220-240V, 50/60 Hz Output

HT :

0 to 300V d.c. at 30mA

Bias :

0 to 25V d.c. at 5mA

LT :

6.3V a.c. at 2 Amps

Load Regulation HT :

±1%

Line Regulation HT :

±0.5%

Output Terminals :

Colour coded 4mm sockets with one green socket for earthing.

Metering :

Three meters to measure HT volts, HT current, Bias voltage.


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Power Supply E.H.T.
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Power Supply E.H.T.   (EE - 646)

The unit provides a continuously variable E.H.T. output from 0 to 5KV d.c. with a low voltage output of 6.3volt d.c. and is ideal for vacuum tubes etc.

This unit uses a low voltage transistor inverter circuit and E.H.T. transformer. The high a.c. voltage is rectified and smoothened. A meter calibrated 0 to 5KV is connnected to control output voltage.

Output: E.H.T. 0 to 5KV d.c. continuously variable. Terminal output voltage indicated by meter. Max short circuit current is safelt at 3mA. A heater supply 6.3V a.c. at 4A is fully isolated & insulated for 5KV

Protection: Mains 500mA antisurge fuse. Output overload protected, E.H.T. max current limited to 3mA.


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Battery Eliminator
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Battery Eliminator   (EE - 647)

These are built in nicely finished steel, cabinets having lock type terminals, On/Off switch, and jewel light. Full wave bridge rectifiers, double wound transformers are used with copper wire and high-grade laminations to avoid losses. Input 230 volts A.C. and output 2,4,6,8,10 and 12 V D.C.

 

A

B

C

D

Current Max.

500mA

1 Amps

2 Amps

5 Amps


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Demonstration Meter
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Demonstration Meter   (EE - 648)

Horizontal type. Fitted with transparent top in bakelitecase, all components are visible, with two 4mm socket terminals.


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Interscale Demonstration Meters
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Interscale Demonstration Meters   (EE - 649)

Moving coil type. Basic sensitivity of meter is 5mA, 100mV f.s.d. The meters can be used to demonstrate the working principle of AC or DC ammeters or voltmeters with interchangeable dials. Different dials are available. Housed in a Plastic/Wooden case, with plastic in front and rear. a) Wooden case b) Plastic case


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Dials For Interscale Demonstration Meter
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Dials For Interscale Demonstration Meter   (EE - 650)

For use with interscale demonstration meters. Each dial comprises a laminated plastic panel with sealed moulded box at one end which contains the shunt or voltage multiplier appropriate to the scale.

Range

Cat.No./AC Scale

Cat.No./DC Scale

2.5-0-2.5mA

-

8603/DC/2.5mA

0-10mA

8603/AC/100mA

8603/DC/10mA

0-50mA

8603/AC/50mA

8603/DC/50mA

0-100mA

8603/AC/100mA

8603/DC/100mA

0-500mA

8603/AC/500mA

8603/DC/500mA

10-0-10mA

-

8603/DC/0-10mA

 

Range

Cat. No./AC Scale

Cat. No./DC Scale

0-1A

8603/AC/1A

8603/DC/1A

0-5A

8603/AC/5A

8603/DC/5A

0-10A

8603/AC/10A

8603/DC/10A

5-0-5V

-

8603/DC/0-5V

0-1V

8603/AC/1V

8603/DC/1V

0-5V

8603/AC/5V

8603/DC/5V

0-10V

8603/AC/10V

8603/DC/10V

0-15V

8603/AC/15V

8603/DC/15V

0-30V

8603/AC/30V

8603/DC/30V

0-50V

8603/AC/50V

8603/DC/50V

0-100V

8603/AC/100V

8603/DC/100V

0-300V

8603/AC/300V

8603/DC/300V

0-500mV

-

8603/DC/500mV

0-150V

8603/AC/150V

8603/DC/150V


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METERS, MOVING COIL, DC   (EE - 651)


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Rectangular Dia
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Rectangular Dia   (EE - 651-RE)

Round Dial EE - 651-RE

Case :

Clear Acrylic front cover with ABS plastic box

Accuracy Class :

±2.5% FSD

Scale length :

85mm (approx) with knife edge pointer

Desk Stand :

Front Terminal, unbreakable ABS plastic moulded

Size :

100xl00xl40mm approx.

 

Type

Range

Round

Square

Rectangular

Ammeter DC

0-1 amp

R01

SQ1

RE1

Ammeter DC

0-10amp

R02

SQ2

RE2

Ammeter

0-1 &

Double Range DC

0-5A

R03

SQ3

RE3

Ammeter

0-50mA,

Triple Range DC

0-500mA

R04 & 0-5A

SQ4

RE4

Milliammeter D.C

0-10mA

R05

SQ5

RE5

Milliammeter D.C

0-100mA

R06

SQ6

RE6

Milliammeter D.C

0-500mA

R07

SQ7

RE7

AC Ammeter Rectifier type With

current transformer

0-1Amp

R08

SQ8

RE8

Voltmeter D.C

0-5Volts

R09

SQ9

RE9

Voltmeter D.C

0-10Volts

R010

SQ10

RE10

Voltmeter 0-5 &

Double Range D.C

0-15V

R011

SQ11

RE11

Millivoltmeter D.C

0-100mV

R012

SQ12

RE12

Triple Range

Voltmeter D.C

3-15-30V

R013

SQ13

RE13

Galvanometer D.C

50-0-50µA

R014

SQ14

RE14

Galvanometer D.C

3.5-0-3.5mA

R015

SQ15

RE15

Galvanometer D.C

35-0-35mV

R016

SQ16

RE16

Type

Range

Round

Square

Rectangular

Triple Range

50µA, 500µA

Galvanometer D.C

& 5mA

R017

SQ17

RE17


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METERS, MOVING COIL, DC
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METERS, MOVING COIL, DC   (EE - 651-RO)

Round Dial EE - 651-RO

Case :

ABS plastic Case

Accuracy Class :

±2.5% FSD

Scale length :

50mm (approx) with knife edge pointer

Desk Stand :

Top Terminal, ABS plastic moulded.

Size :

90xll0x90mm approx.

 

Type

Range

Round

Square

Rectangular

Ammeter DC

0-1 amp

R01

SQ1

RE1

Ammeter DC

0-10amp

R02

SQ2

RE2

Ammeter

0-1 &

Double Range DC

0-5A

R03

SQ3

RE3

Ammeter

0-50mA,

Triple Range DC

0-500mA

R04 & 0-5A

SQ4

RE4

Milliammeter D.C

0-10mA

R05

SQ5

RE5

Milliammeter D.C

0-100mA

R06

SQ6

RE6

Milliammeter D.C

0-500mA

R07

SQ7

RE7

AC Ammeter Rectifier type With

current transformer

0-1Amp

R08

SQ8

RE8

Voltmeter D.C

0-5Volts

R09

SQ9

RE9

Voltmeter D.C

0-10Volts

R010

SQ10

RE10

Voltmeter 0-5 &

Double Range D.C

0-15V

R011

SQ11

RE11

Millivoltmeter D.C

0-100mV

R012

SQ12

RE12

Triple Range

Voltmeter D.C

3-15-30V

R013

SQ13

RE13

Galvanometer D.C

50-0-50µA

R014

SQ14

RE14

Galvanometer D.C

3.5-0-3.5mA

R015

SQ15

RE15

Galvanometer D.C

35-0-35mV

R016

SQ16

RE16

Type

Range

Round

Square

Rectangular

Triple Range

50µA, 500µA

Galvanometer D.C

& 5mA

R017

SQ17

RE17


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Square Dial
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Square Dial   (EE - 651-SQ)

Round Dial EE - 651-SQ

Case :

Clear Acrylic front cover with ABS plastic box

Accuracy Class :

±2.5% FSD

Scale length :

60mm (approx) with knife edge pointer

Desk Stand :

Front Terminal, unbreakable ABS plastic moulded

Size :

90xll0xl25mm approx.

 

Type

Range

Round

Square

Rectangular

Ammeter DC

0-1 amp

R01

SQ1

RE1

Ammeter DC

0-10amp

R02

SQ2

RE2

Ammeter

0-1 &

Double Range DC

0-5A

R03

SQ3

RE3

Ammeter

0-50mA,

Triple Range DC

0-500mA

R04 & 0-5A

SQ4

RE4

Milliammeter D.C

0-10mA

R05

SQ5

RE5

Milliammeter D.C

0-100mA

R06

SQ6

RE6

Milliammeter D.C

0-500mA

R07

SQ7

RE7

AC Ammeter Rectifier type With

current transformer

0-1Amp

R08

SQ8

RE8

Voltmeter D.C

0-5Volts

R09

SQ9

RE9

Voltmeter D.C

0-10Volts

R010

SQ10

RE10

Voltmeter 0-5 &

Double Range D.C

0-15V

R011

SQ11

RE11

Millivoltmeter D.C

0-100mV

R012

SQ12

RE12

Triple Range

Voltmeter D.C

3-15-30V

R013

SQ13

RE13

Galvanometer D.C

50-0-50µA

R014

SQ14

RE14

Galvanometer D.C

3.5-0-3.5mA

R015

SQ15

RE15

Galvanometer D.C

35-0-35mV

R016

SQ16

RE16

Type

Range

Round

Square

Rectangular

Triple Range

50µA, 500µA

Galvanometer D.C

& 5mA

R017

SQ17

RE17


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