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MECHANICS
PROPERTIES OF SOLIDS
PROPERTIES OF FLUIDS
PROPERTIES OF GASES
WAVES & SOUND
OPTICS
LIGHT
HEAT
ELECTROSTATICS
ELECTRICITY
MAGNETISM
ELECTRO MAGNETISM
OSCILLOSCOPES
SIGNAL GENERATORS
ELECTRONICS
RHEOSTAT , SLIDING CONTACT

FOR USE AS SERIES RESISTANCE OR POTENTIAL DIVIDER.COMPRISES OF INSULATOR TUBE,WOUNDED OXIDISED EUREKA WIRE MOUNTED ON BAKELITE FEETS , WITH LAMINATED BRUSH CONTACTS OF PHOSPHOR BRONZE STRIP,NICKEL PLATED ROD & 4 MM SOCKET TERMINALS.

AMPS
LENGTH , CM
AMPS
15
20
25
30
35
40
45
50
14
0.5
0.8
1.1
1.4
1.7
2.0
2.3
2.6
14
12
0.9
1.4
1.9
2.4
2.8
3.3
3.8
4.6
12
10
1.4
2.0
2.8
3.5
4.3
5.0
5.8
6.5
10
7
3.0
4.0
5.0
6.5
8.0
9.0
10.0
11.0
7
6
3.5
5.5
7.5
9.0
11.0
13.0
15.0
17.0
6
5
5
8
11
14
17
20
23.0
26
5
...
4.2
10
15
20
25
30
35
40
45
4.2
3.3
14
20
28
34
42
48
58
64
3.3
2.8
19
28
38
48
57
66
76
86
2.8
2.3
26
41
56
71
86
102
114
128
2.3
...
1.8
45
70
95
115
140
160
185
210
1.8
1.6
64
96
125
160
190
225
250
290
1.6
1.4
80
120
160
200
245
285
325
360
1.4
1.2
115
170
230
290
345
400
450
500
1.2
1.0
150
225
300
375
450
525
600
675
1.0
0.8
200
300
400
500
600
700
800
925
0.8
0.6
350
500
675
850
1000
1150
1350
1500
0.6
0.5
500
750
1000
1250
1500
1800
2050
2300
0.5
0.4
840
1250
1650
2070
2500
2900
3350
3700
0.4
0.3
1400
2100
2900
3600
4300
5100
6000
6800
0.3


Prod ID: RS-5301

 

RHEOSTAT WITH PERFORATED COVER

IT HAS AN PERFORATED COVER FOR SAFETY. AND VALUES SAME AS ABOVE.

NOTE * RHEOSTATS OF ANY OTHER RANGE CAN BE MANUFACTURED AS PER SPECIFICATIONS REQUIRED.

Prod ID: RWPC-5302

 

AMMETER

MOVING COIL , D.C. IN PLASTIC CASE , DIAMETER 65 MM , FITTED ON STAND WITH 4 MM SOCKET TERMINALS , SCALE 50 MM. ACCURACY
± 2% F.S.D. RANGE : 0 - 1 TO 10 AMPS .

MOVING COIL , D.C. TRANSPARENT ACRYLIC COVER , DIAL,ON STAND WITH 4 MM SOCKET TERMINALS, SCALE 60 MM. ACCURACY ± 2% F.S.D. RANGE : 0 - 1 TO 10 AMPS .


MILLI AMMETER : RANGE : 0 - 1 TO 1000 Ma.

MICRO AMMETER RANGE: 0-25 µa-30 µa
...................................: 0-50µa
...................................: 0-100µa
...................................: 0-250µa - 300 µa
...................................: 0-500 µa

Prod ID: A-5303


VOLTMETER

MOVING COIL , D.C. IN PLASTIC CASE , DIAMETER 65 MM , FITTED ON STAND WITH 4 MM SOCKET TERMINALS , SCALE 50 MM. ACCURACY ± 2% F.S.D. RANGE : 0 - 1 TO 600 V.

MOVING COIL , D.C. TRANSPARENT ACRYLIC COVER , DIAL,ON STAND WITH 4 MM SOCKET TERMINALS, SCALE 60 MM. ACCURACY ± 2% F.S.D. RANGE : 0 - 1 TO 600 V.

MILLI VOLTMETER RANGE : 0 - 1 mv
.....................................: 0 - 25mv
.....................................: 0 - 60 mv
.....................................: 0 - 1000 mv

ALSO AVAILABLE DUAL RANGE METERS
ALSO AVAILABLE A.C. VOLTMETER , AMMETER & MILLIAMMETER ( RECTIFIER TYPE )

Prod ID: V-5304


GALVANOMETER

MOVING COIL , D.C. IN PLASTIC CASE , DIAMETER 65 MM , FITTED ON STAND WITH 4 MM SOCKET TERMINALS , SCALE 50 MM.
ACCURACY ± 2% F.S.D.
SCALE : 25-0-25
..........: 35-0-35
..........: 50-0-50 .

Prod ID:G-5305


INTER SCALE ( DEMONSTRATION METER )

A MAGNETICALLY DAMPED , SPRING - CONTROLLED MOVING COIL MOVEMENT WITH A POINTER , 140 +/- 5 MM LONG HAVING A SPADE-SHAPED END IS HOUSED IN A WOODEN CASE 220 X 110 X 280 MM HIGH WITH GLASS FRONT AND REAR PANELS TO ENABLE ALL WORKING PARTS TO BE CLEARLY SEEN.WITH PAIR OF 4 MM SOCKET TERMINALS AND SIDE ZERO ADJUSTMENT CONTROL. THE SCALES, 130 MM LONG ARE BOLDLY MARKED AND FIGURED ON BOTH SIDES SO AS TO BE CLEARLY VISIBLE TO THE CLASS FROM THE FRONT AND TO THE DEMONSTRATOR FROM THE REAR. EACH SCALE IS FITTED THROUGH A SLOT IN THE SIDE OF THE CASE AND HAS A PLUG CONNECTOR WHICH ALSO SERVES TO LOCATE AND ALIGN THE SCALE POSITIVELY IN POSITION. BASIC SENSITIVITY OF THE METER IS 5 MILLI-AMPEAR f.s.d. THE METER CAN BE USED FOR DEMONSTRATION OF A.C. OR D.C. AMMETER OR VOLTMETER WITH THE INTERCHANGEABLE SCALES.

INTERSCALE DIALS : ALL INTERSCALE DIALS CARRY WITH THEM THE NECESSARY ACCESSORIES FOR CONVERTING THE METER TO THAT PARTICULAR RANGE OR FUNCTION.

TYPE
RANGE
RANGE
RANGE
RANGE
mA , D.C.
2.5-0-2.5
0-10
0-100
0-500
Amp, D.C.
0-1
0-5
-
-
Volt, D.C.
5-0-5
0-5
0-15
0-300
Amp, A.C.
0-0.1
0-1
0-5
-
Volt, A.C.
0-5
0-15
0-300
-


Prod ID: IS-5306


WHEAT STONE BRIDGE , PORTABLE

THE BRIDGE IS EXTREMELY USEFUL FOR RESISTANCE MEASUREMENTS WITH A FAIR DEGREE OF PRECISION .WITH BUILT IN SENSITIVE GALVANOMETER AND DRY BATTERY.WITH 4 DECADES OF 10 X 1 , 10 X 10 , 10 X 100 & 10 X 1000 ohms, WITH A SINGLE ROTARY SWITCH FURNISHES 7 RANGE
MULTIPLIERS OF X 1000 , X 100 , X10 , X 1 ,X 0.1 , X 0.01 X & 0.001.
RANGE OF MEASUREMENT IS 0.001 ohm TO 11.1 meg-ohms
ACCURACY BETTER THAN +/- 0.1%

ALSO AVAILABLE WITH VARIEY & MURRAY LOOP TEST FOR LOCATION OF FAULTS IN CABLES.

Prod ID: WP-5307

 

RESISTANCE BOXES : PLUG TYPE

INTERCHANGEABLE PLUGS HAVING MOULDED BAKELITE TOP IN WOODEN BOX WITH BAKELITE TOP,WITH NON-INDUCTIVE WOUND. ACCURACY +/- 0.1%.

RANGE
OHMS
TOTAL OHMS
0.1
TO
1
2
0.1
TO
5
11
0.1
TO
10
21
1
TO
50
110
1
TO
100
210
1
TO
500
1110
1
TO
1000
2110
1
TO
5000
11110
1
TO
10000
21110

Prod ID : RP-5308


RESISTANCE BOX , DIAL TYPE

WOUND NON-INDUCTIVELY ,THE COILS ARE MOUNTED ON STEMS OF THE DIAL STUDS WITH A BALL CLICK DEVICE TO ENSURE CORRECT LOCATION WITH PHOSPHOR-BRONZE BRUSH .
ACCURACY : +/- 0.1 %.
RANGE
: 0.1 TO 10000 ohms.

Prod ID : RD-5309

 

RESISTANCE COILS

IN TRANSPARENT CASE : RANGE 0.1 TO 500 ohms , NON-INDUCTIVELY WOUND WITH TWO TERMINALS. RESISTANCE OHMS 0.1 - 500.

ROUND BAKELITE :TWO TERMINALS ,CONSTANTAN COILS , 0.1 TO 1000 OHMS.

RECTANGULAR BAKELITE :TWO TERMINALS , MAGANIN COILS, 0.1 TO 1000 OHMS.

RECTANGULAR BAKELITE :FOUR TERMINALS , MAGANIN COILS, 0.1 TO 1000 OHMS
.

STANDARD RESISTANCE : OIL FILLED,ROUND BRASS,MANGANIN COILS, 0.001 TO 1000 OHMS .

Prod ID : RC-5310


POTENTIOMETER (ONE WIRE / FOUR WIRE )

IT CONSISTS OF A WOODEN BASE WITH BRASS BLOCKS, FITTED WITH 4 MM SOCKET TERMINALS AND A 100 CM WOODEN SCALE.A KNIFE EDGE JOCKEY IS ALSO SUPPLIED.

Prod ID : P-5311

 

METRE BRIDGE , CAREY FOSTER

FOUR-GAP TYPE MOUNTED ON WOODEN BASE ,SCALE GRADUATED 0 TO 100 CM X 1 MM. WITH NICKELLED BRASS STRIPS AND CONNECTING PIECES ,WITH 4 MM SOCKET TERMINALS .COMPLETE WITH KNIFE EDGE JOCKEY .

Prod ID : MC-5312

 

TERMINALS

MOULDED PLASTIC HEAD , PILLAR WITH 4 MM SOCKET ,SHANK THREADED. COMPLETE WITH NUTS AND INSULATING WASHERS.

Prod ID : T-5313

 

CELL HOLDER

MOULDED BASE TO HOLD FOUR DRY CELL OF 1.5 V .WITH FACILITY TO SELECT 1.5 , 3 , 4.5 & 6 VOLTS.

Prod ID : CH-5314


KNIFE SWITCH, DOUBLE

DOUBLE POLE , DOUBLE THROW, FITTED ON BAKELITE BASE FOR PANEL MOUNTING.

Prod ID : KS-5315-A

 

KNIFE SWITCH, SINGLE

SINGLE POLE , SINGLE THROW, FITTED ON BAKELITE BASE FOR PANEL MOUNTING.

Prod ID : KS-5315-B

 

KNIFE SWITCH

LOW VOLTAGE ,WITH PLATED CONTACTS AND SCREW ,MOUNTED ON INSULATED PLATE WITH THREE 4 MM SOCKET TERMINALS.
AVALABLE IN
SINGLE POLE DOUBLE THROW
DOUBLE POLE DOUBLE THROW.

Prod ID : KS-5315-C + Size

 

PLUG KEY

FOR MAKING OR BREAKING THE ELECTRICAL CIRCUITS , BRASS PLUG AND BRASS BLOCKS WITH TAPPERED HOLE ,ON A BAKELITE BASE.

AVAILABLE : ONE WAY .......TWO WAY .......THREE WAY.

Prod ID : PK-5316


COMMUTATOR RVERSING KEY

USED FOR REVERSING THE DIRECTION OF CURRENT IN AN ELECTRI CIRCUIT QUICKLY BY TURNING THE LEVER ON THE CIRCULAR STRIPS.THE KEYS HAS LAMINATED PHOSPHOR-BRONZE BRUSHES MOUNTED ON AN INSULATED HANDLE.

Prod ID : CRK-5317


TAPPING KEY

USED FOR SUDDEN MAKE OR BREAK OF ELECTRICAL CIRCUITS MOUNTED ON A BAKELITE BASE WITH TERMINALS.

AVAILABLE : ONE WAY .......TWO WAY.

Prod ID : TK-5318

 

BATTERY CHARGER

FOR CHARGING BATTERIES. IN METALLIC CASE WITH AMMETER,AWITCH FOR 6V / 12V CHARGING,WITH OUTPUT FUSE AND INDICATOR LAMP. COMPLETE WITH BATTERY TERMINALS AND MAIN CABLE. OPERATES ON 230 VOLTS
50Hz.
AVALABLE IN 2 , 4 & 6 AMPS.

ALSO AVALABLE IN OTHER RANGES

Prod ID : PEBC-53182

 

POWER SUPPLY

FOR GENERAL USE EXPERIMENT ,ENCASED IN A METAL CASE WITH TERMINALS FOR OUTPUT VOLTAGE FOR 2 , 4 , 6 , 8 , 10 , 12 VOLTS AC OR DC AT 3 , 4 , 5 AMP. INPUT VOLTAGE 220 VOLTS ,50HZ .

Prod ID : PS-5319

 

POWER SUPPLY , REGULATED , D.C.

3 DIGIT DIGITAL METERS FOR V & I
CONSTANT CURRENT , CONSTANT VOLTAGE TYPE.
LOAD REGULATION 0.5%
RIPPLE LESS THAN 5 Mv .

ALSO AVAILABLE : REGULATED POWER SUPPLY CONTINOUSLY VARIABLE
...........................: REGULATED POWER SUPPLY WITH OVER LOAD BUZZER AND DIGITAL METERS.
...........................: FIXED POWER SUPPLY

Prod ID : PRD-5320


REGULATED POWER SUPPLY , RESEARCH

THIS IS A SOPHISTICATED DC REGULATED POWER SOURCE HAVING RANGE 0 TO 30 VOLT AND CURRENT CARRING CAPACITY OF 0 TO 2 AMP. THE VOLTAGE AND CURRENT CAN BE CONTINUOUSLY VARIABLE. METERING FOR VOLTAGE AND CURRENT ARE SEPARATELY PROVIDED. THE POWER SUPPLY EMPLOYS CMOS DEVICES AND INTEGRATED CIRCUITS TO OBTAIN HIGH REGULATION AND LOW CONTENT. THE POWER SUPPLY S IDEALLY SUITED FOR INDUSTRIES , RESEARCH AND EDUCATIONAL INSTITUTIONS.

Prod ID : RR-5321


AUTO TRANSFORMER , VARIABLE

IT GIVES VARIABLE OUT PUT AC VOLTAGE VARYING FROM 0 TO 240 VOLTS. INPUT 220 VOLTS , 50HZ. INSULATED & ENCASED IN A METAL CASE WITH ROTATING KNOB & MARKED SCALE ON THE TOP.

AVAILABLE : 2 AMPS .......4 AMPS .......8 AMPS .

Prod ID : AV-5322

 

DEMONSTRATION TRANSFORMER

THE PRIMARY COIL IS OF 220 VOLTS AND TWO INTERCHANGEABLE SECONDARY COILS GIVES AN OUT PUT OF 6 V & 12 V AT 2 AMPS.COMPLETE WITH 2 METERS OF CORD & PLUG CONNECTIONS.

Prod ID : DT-5323


MULTI METERS

4 DIGIT L C D DISPLAY.
DC VOLTAGE UPTO 1000V IN FIVE RANGES , ACCURACY
± 0.05%
AC VOLTAGE UPTO 750V IN FIVE RANGES , ACCURACY
± 1.0%
DC CURRENT UPTO 20A IN FIVE RANGES , ACCURACY
± 0.75%
AC CURRENT UPTO 20A IN FIVE RANGES , ACCURACY
± 0.75%
RESISTANCE UPTO 20M OHMS IN SEVEN RANGES , ACCURACY
± 0.2%

AUDIBLE CONTINUITY CHECK , DIODE TEST , HFE TEST.
POWER SOURCE : ONE 9V BATTERY
DIMENSIONS : 200 X 91 X 42 MM ( H X W X D )
WEIGHT : 350 GRAMS APPROX.

ALSO AVAILABLE OTHER VARITIES OF MULTI METERS. HAND HELD AND BENCH TOP TYPE.

Prod ID : MM-5324

 

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