Download ELECTRICAL AND ELECTRONICS DEPARTMENT A1. Electrical

ELECTRICAL AND ELECTRONICS DEPARTMENT
A1. Electrical Science Laboratory
SI.
No.
Name of the
Equipment
Description
1.
Function Generator
10
Waveform: Sine, Triangle, Square, variable duty,
cycle pulse & variable slope ramp. Frequency Range
: 0.01Hz to 100MHz in 10 decade ranges. Frequency
Indication Accuracy: + 5% of the full scale. Max. O/P
level : 20V pp in open circuit. 10V pp into 50W
2.
Cathode Ray
Oscilloscope
Dual channel: - 0-100MHz with probes, Sensitivity
2mV/Div- 10V/Div, Rise time < 25nS, Input
impedance = 1MW, Display mode channel1,
channel2, dual, Sweep time :- 0.1msec – 0.5 sec/div,
Accuracy:- + 5%, Trigger mode :- Auto, Normal, TV.
10
36500-00
3.
100 MHz Digital
Storage Oscilloscope
The Digital Storage Oscilloscope should have following
features:
*2 channels
*Automatic Measurements
*FFT measurements
*External Trigger Input
*Auto set facility
*Autoranging facility
*Waveform and Setup Memory
*TFT Color LCD display
5
49800-00
SIGNAL ACQUISITION:
Bandwidth
: Single Shot - 100 MHz
Repetitive – 100 MHz
Sample Rate : 1 GS/s on each Channel
Channels
:2
Sensitivity
: 2mV to 5V/div
Vertical Zoom : vertically expand or compress a live or
stopped waveform
TIME BASE SYSTEM:
Time/Division Range : 5nS to 50s/div
Record Length : 2.5 K points (each Channel)
Qty
7800-00
Horizontal zoom
: Horizontally expand or
compress a live or stopped waveform
TRIGGERING SYSTEM:
Trigger Type
Width (or Glitch)
: Edge, Video, Pulse
WAVEFORM PROCESSING:
Arithmetic Operators : Add, Subtract, Multiply, FFT
Sources
: CH1 - CH2, CH2 - CH1, CH1 + CH2,
CH1XCH2
I/O interfaces:
The Oscilloscope should have minimum 2 USB 2.0 ports
and facility to connect with a PC and PictBridge
compatible printers through USB Port. Necessary software
should also be provided for PC Communication, which
should capture waveforms, measurement data and
oscilloscope settings on an external PC, while enabling
easy documentation and analysis of measurement results
using standard applications including Microsoft Excel and
Word.
4.
D.C. Regulated
Power Supply
5.
Variable Choke Coil
GENERAL:
The instrument should meet all EMC and Safety standards,
and to be provided with 2 Nos. 10x 100 MHz Probes,
Operational Manual, Power Cord and NIST Traceable
Calibration Certificate.
3 years minimum Warranty for the instrument should
be offered and after Sales service facility should be
available.
Oscilloscopes will be used by students of this Institute
hence all Classroom and Lab Resource CD containing
various lab experiments for oscilloscopes and probes
should be provided.
OUTPUT 32V/2A, ±15V/0.5A, 5V/5A
12
Input Voltage 230V AC, ±10%, 50Hz, 1 Phase
Line Regulation CV :
32V/2A: ±0.01% ±2mV
±15V/0.5A: ±0.1%
5V/5A: ±0.1%
Line Regulation CC
32V/2A : ±0.1% ±250μA
single Phase 10 A / 50Hz continuous variable Inductor
( Inductive Load)
3
3200-00
320-00
6.
Single phase AutoTransformer
Single Phase / 10 A / Autotransformer
( Variac )
15
4650-00
Air cooled, wheel mounted and manually operated.
Input voltage – 230V, 50Hz, 1ph, 15A, Output
Voltage – 0-270V, for laboratory use
7.
Decade Inductance
Decade inductance box with 4 dials , accuracy to be
maintained at the level of 2% 1KHz.
A) 0.1 mH to 1.111 H
B) 1 mH to 11.11 H
C) 10 mH 111.1 H
8.
Fixed capacitance
Fixed capacitance box made from high quality polished
wood, accuracy to be maintained at the level of 2 to 4%.
9.
Rheostat
Slide wire Rheostats wound with heavily oxidized
iron free Ni-Cu wire, vitreous enameled still tubes,
mechanically robust moisture proof, high insulation,
Gauges of wire used as per recommendation of IS
8622-1977, length 40cm, wound on single/ double
tub
10.
Fixed inductor
(Ferrite core)
1120-00
each
10
10
10
4
425-00
4
665-00
a)
0-25-50 Ohm
b)
0-100-200 Ohm
4
665-00
c)
0-10 Ohm
4
465-00
d)
0-200-400 Ohm
4
950-00
e) 0-300 Ohm
4
490-00
f) 0-50 Ohm
4
365-00
100,200,500 µ H
2
12-00 each
20
3200-00
1,2,5,10,20,50,100,200,500 mH
1,2,5 HChoose any of the above
11.
Digital Multimeter 3
¾ Digit
DC Voltage : 400mV / 4V / 40V / 400V / 1000V (±0.5%).
AC Voltage : 400mV / 4V / 40V / 400V / 750V (±0.5%).
DC Current : 400μA / 4000 μA / 40mA / 400mA / 10A
(±1.0%).
AC Current : 400μA / 4000 μA / 40mA / 400mA / 10A
(±1 0%).
Resistance : 400Ω / 4kΩ / 40kΩ / 400kΩ / 4MΩ / 40MΩ
(±1.0%).
Capacitance : 4nF / 40nF / 400nF / 4μF / 40μF / 200μF(
±2.5%).
Frequency : 100 / 1000 / 10k / 100k / 1M / 30MHz
(±0.5%).
Special Functions :
Diode Test.
Transistor Test.
Continuity Buzzer.
Low Battery Indication.
Data Hold.
Auto Power Off.
Function Protection.
Shock Proof Protection.
Relative value measurment.
Frequency / Duty Cycle measuring -0.1 - 99.9%.
Input Impedance : 10M.
Sampling Rate : 3 times/s.
AC Frequency Response : 40 - 400 Hz.
Operation Way : Auto Range.
Max. Display : 3999
12.
1-Ph
(Dynometer Type)
UPF Wattmeter, class 1, in eng plastic case, voltage 150300-600V, Current 1/2A or 2.5/5A or 5/10A (Any one
range)
10
1900-00
3
4650-00
13.
Lamp Load
Fitted in wooden board with 10 Nos of bulb holder
and 10 Nos of 5A switches of 230V
14.
Fixed Resistance
1 Watt
a) 25Ω
b) 200 Ω
15.
VERIFICATION
OF LAWS &
NETWORK
THEOREMS IN DC
CIRCUITS
Experiments:
01. To verify Kirchoff’s current law and voltage law.
02. Verification of the series & parallel laws for
resistances.
03. Verification of Superposition Theorem.
04. Study of potential divider.
05. Verification of Maximum Power Transfer Theorem.
06. To verify Thevenin’s Theorem and to find equivalent
voltage source circuit.
07. To verify Norton’s Theorem and to find equivalent
current source circuit.
The board consists of following built-in parts:
01. 0-30V D.C. at 100 mA, continuously variable IC
Regulated Power Supply.
02. +9V D.C. at 100 mA, IC Regulated Power Supply.
03. +5V D.C. at 100 mA , IC Regulated Power Supply.
04. D.C. Voltmeter, 65mm rectangular dial with switch
selectable ranges of 0.5, 1.5, 25 & 50V.
05. D.C. Ammeter, 65mm rectangular dial with switch
selectable ranges of 0.05, 0.5, 5, 50 & 100mA.
35-00
3
3
1
14500-00
Group A2. Measurement Laboratory
Sl.No.
Name of the
Equipment
Description
Range
1.
CALIBRATIO
N OF A
SINGLEPHASE
ENERGY
METER BY (I)
DIRECT
LOADING
METHOD(II)
COMPARING
WITH A SUBSTANDARD
METER.
The complete Experimental Set-up consists of
the followings :
01. Energy meter mechanical single phase :
Under test (Local)
02. Energy meter mechanical single phase : Substandard meter (ISI Mark)
03. Moving Iron AC portable voltmeter / : In
housed in bakelite case with knife edge pointer
& anti parallax mirror scale of
ammeter/ wattmeter 140mm length, spring
controlled movement, having accuracy class 1.0.
3.1 Voltmeter range 0–300 Volt
3.2 Ammeter range 0–10 Amp.
3.3 Dynamometer type Wattmeter single phase,
multirange, current coil 5/10Amp., Potential coil
75/150/300 Volt.
04. Variac : Variable voltage transformer
table/floor mounting with enclosure input 230V,
output
0–270V at 8 Amp.
05. Variable Load : Uses 18 heating rods of
70E, 750 Watt each, based on cement asbestos
sheet of size
15.75 x 23.85 inch, Output are on terminal with
connecting series & parallel
connections by switches, to obtain different
loads 35 to 210 ohms app.
06. Digital Stop Clock
4
29800-00
2.
Digital
Energy Meter
Single phase (240V) & three phase (440V),
vertically mounted, accuracy not to
deteriorate due to transportation , accuracy +
1%, operating frequency 45 to 55 Hz, basic
current 5A, starting current 0.5% of basic
current.
4+
4
1650-00
3.
Wattmeter
Portable, fitted in teak wood case nicely
(Dynamomete polished with leather handle, desk type,
4
1900-00
a)
50/75/30
Qt
y
r)
knife edge pointer, anti parallax mirror,
single/ multi range, single element for single
phase, accuracy class 1, power factor unity.
0V, 2.5A
b)
50/75/30
0V,
5/10A
4
2900-00
c)
150/300/
600V,
5/10A
2
2900-00
d) 150/
300/600
V,
10/20A
2
6500-00
e)
2
100V, 1A
1900-00
f)
250 2
V, 1A
1900-00
g)
250V,
2.5A
2
1900-00
h)
2
250V, 5A
1900-00
4.
Wattmeter
Portable, fitted in teak wood case nicely
(Dynamomete polished with leather handle, desk type,
r)
knife edge pointer, anti parallax mirror,
single/ multi range, three phase four wire,
accuracy class 1, power factor unity.
250/440
4
V, 2.5/5A
1900-00
5.
Wattmeter
Desk mounted laboratory use horizontal
type 1ph , Electrodynamometer type, 2.5 / 5
A, 75/150/300V,unity power factor. (2)
Desk mounted laboratory use horizontal
type 1ph, Electrodynamometer type, 35W,
70W, 150W, low power factor.
As in
Specifica
tion
2
3500-00
6.
VTVM
(Vacuum Tube
Voltmeter)
01. D.C. VOLTAGE (DCV) : 0-1500 Volts DC
covered in 7 ranges with full scale deflections of
1.5, 5, 15, 50, 150,500
& 1500 Volts.
02. A.C. VOLTAGE (ACV) : 0-1500 Volts AC
covered in 7 ranges with full scale deflections of
1.5, 5, 15, 50, 150, 500 & 1500
Volts.
03. RESISTANCE (Ohms) : 0-1000 M Ohms
covered in 7 ranges with full scale deflections 0-
As in
specificati
on
3
7650-00
1K, 10K, 100K Ohms, 1M, 10M, 100M &
1000M Ohms.
04. INPUT IMPEDANCE : DCV : 11 Meg
(1Meg in probe).
05. ACCURACY : DCV : ± 3% of full scale.
ACV : ± 5% of full scale.
OHMS : Within ± 3% total scale length.
06. AF-RF RESPONSE : ± 3% : 30 Hz to 500
KHz.
: ± 10% : 15 Hz to 5 MHz.
07. SENSITIVITY OF METER USED : 200
mA D.C.
7.
AC Bridge
with all
accessories
A)
Anderson
Bridge
The board consists of the following built-in parts
:
01. Anderson Bridge circuit with arms values.
02. Potentiometer for varying one arm.
03. Three different value inductances.
04. Potentiometer with calibrated dial.
05. Five capacitors selected by a band switch.
06. Audio Amplifier with its IC regulated Power
Supply.
07. One KHz Sine Wave Oscillator with its IC
regulated Power Supply.
08. Speaker.
2
16500-00
B)
Schering
Bridge
The board consists of the following built-in parts
:
01. Schering Bridge circuit with arms values.
02. ±12 VDC at 100 mA, IC Regulated Power
Supply internally connected.
03. 1KHz Sinewave oscillator having output 015 Vpp.
04. Audio amplifier and speaker for null
detector.
05. Three unknown value of capacitors
selectable by a band switch.
06. Potentiometer for balancing the bridge.
07. Band switch to select one from six different
values of resistance.
2
16500-00
C)
Carey foster
bridge
2
9800-00
D)
MAXWELL’S
L/C BRIDGE
2
16500-00
7650-00
The board consists of the following built-in
parts:
01. ±12V D.C. at 100mA, IC regulated Power
Supply internally connected.
02. 1 KHz Sine Wave Oscillator.
E)
Hay’s Bridge
8.
DC Bridge
03. Audio Amplifier and speaker for null
detection.
04. Five unknown values of capacitors
selectable by a band switch.
05. Three unknown values of inductors
selectable by a band switch.
06. Two decade resistances in 100 ohm steps.
07. Potentiometer and adequate no. of other
electronic components.
The board consists of the following built-in parts
:
01. Hay's Bridge circuit with arm values
02. ±12V DC at 100 mA, IC Regulated Power
Supply internally connected.
03. 1 KHz Sinewave oscillator Output 0 - 15
Vpp.
04. Audio Amplifier and Speaker for Null
detection.
05. Three Unknown Value of Inductor
Selectable by a band Switch.
06. Potentiometer 10 turn for Selecting desired
Resistance Value.
07. Potentiometer for balancing the bridge.
2
17200-00
Wheatstone
Bridge
The board consists of the following built in
parts:
01. +5V D.C. At 100mA IC regulated power
supply internally connected.
02. Galvanometer, 65mm rectangular dial to
read 30-0-30.
03. Six decade resistance of different range.
3
4500-00
9.
D.C. Regulated
Power Supply
OUTPUT 32V/2A, ±15V/0.5A, 5V/5A
Input Voltage 230V AC, ±10%, 50Hz, 1 Phase
Line Regulation CV :
32V/2A: ±0.01% ±2mV
±15V/0.5A: ±0.1%
5V/5A: ±0.1%
Line Regulation CC
32V/2A : ±0.1% ±250μA
12
As quoted
10.
Power Factor
Meter
Portable desk type digital power factor
meter. 5A , 250V, single phase, 5A, 440V,
three phase.
As in
specificat
ion
3
7800-00
11.
Loading
rheostat
Loading Rheostat, single phase, fitted with
heavy duty, porcelain based tubular switches
suitable for working voltage 250V with
protective devices MCB, knife switch etc.
30A in
steps of
3
17600-00
each
1A – 1
Nos. ,
2A – 1
Nos. ,
5A – 1
Nos.
12.
Portable
Current
Transformer
Multi-range portable 50Hz, secondary current
5A, accuracy class 1, dry core type, bar primary,
15VA burden.
500/300/1 2
50/100/50/
30/5A
3980-00
13.
Potential
Transformer
Portable dry core laboratory use potential
transformer to work on 50Hz, 440 /220V power
supply system.
a)
440
/220V,
15VA
Burden
b)
440
/110V,
15VA
Burden
2
2980-00 each
a) 0-300V
4
900-00
b) 0-600V
4
900-00
c) 0-150V
4
900
d) 0-100V
4
900
e) 0- 75V
4
900
f) 0-50V
4
900
g) 0-25V
4
900
a) 0-5A
4
900—00
b) 015A
4
1450-00
c) 010A
4
1450-00
d) 0-
4
900
e) 0-
4
900
f) 0500mA
4
900
g) 0300mA
4
900
h) 0200mA
4
900
i) 0100mA
4
900
14.
Voltmeter, MI
Portable meter housed in strong Bakelite body
with carrying handle
Accuracy: 1%
15.
Ammeter, MI
Portable meter housed in strong Bakelite body
with carrying handle
Accuracy: 1%
2
1A
2A
16.
Voltmeter, MC
Portable meter housed in strong Bakelite body
with carrying handle
a) 0-300V
5
750
b) 0-150V
5
750
c) 0-50V
5
750
d) 0-25V
5
750
e) 0-15V
5
750
f) 0-10V
5
750
a) 0- 1A
5
750-00
b) 0- 10A
5
1120-00
c) 0- 3A
5
750
d) 0- 5A
5
750
e) 0-25A
5
750
f) 0300mA
5
750
g) 0500mA
5
750
Standard
20
Accuracy: 1%
17.
Ammeter, MC
Portable meter housed in strong Bakelite body
with carrying handle
Accuracy: 1%
18.
19.
Digital
Multimeter
4 ½ Digit 19999 counts TRMS with capacitance,
frequency, diode and audible continuity
Rheostat
Slide wire rheostats wound with heavily
oxidized iron free Ni-Cu wire, vitreous
enameled still tubes, mechanically robust
moisture proof, high insulation, Gauges of wire
used as per recommendation of IS8622-1977,
length 40cm, wound on single / double tub.
450-00
a) 10
Ohm,10A
Single
tube
b) 15
Ohm,10A
Double
tube
c) 25
Ohm,5A
Single
tube
d) 12
Ohm, 5A
Single
tube
e) 19
Ohm, 5A
Single
tube
f) 50
Ohm, 2.5
A Single
tube
3
3
980-00
1480-00
3
450-00
3
450-00
3
450-00
3
450-00
20.
Fixed
capacitance
Fixed capacitance box made from high quality
polished wood, accuracy to be maintained at the
level of 2 to 4%.
21.
Digital Stop
clock
(999.9 Sec)
22.
Stroboscope
Laboratory type stroboscope for measuring rpm.
g) 100
Ohm, 2A
Single
tube
h) 150
Ohm, 2A
Single
tube
i) 200
Ohm,
1.5A
Single
tube
j) 300
Ohm,
1.5A
Single
tube
k) 350
Ohm,
1.5A
Double
tube
l) 400
Ohm, 1A
Single
tube
m) 650
Ohm,0.5A
Single
tube
n) 1000
Ohm,0.8A
Single
tube
o)1240
Ohm,0.5A
Single
tube
a)36micro
F, 440V
3
3
5
0-9,999
rpm
1
450-00
3
450-00
3
450-00
3
450-00
3
850-00
3
650-00
3
650-00
3
1230-00
3
1230-00
475-00
650-00
6650-00
23.
LCR-Q meter,
Variables Measured : L, C, R & Q.
Measurement Modes : Series or parallel
equivalent.
Measurement Frequency: User selectable 100Hz
or 1KHz.
Maximum Voltage across Component
(approx.).: 0.285V rms (0.8V p-p)
Measuring Update Rate : 2 per second.
Maximum Time for Valid Reading after User
Connecting Components : 1 second.
Display : 4 digit, 7 segment
Connection to Component Under Test : 4
terminal integral test jig.
Measurement Ranges
Inductance : 0.1μH to 9999H.
Capacitance : 0.1pF to 9999μF.
Resistance : 0.001 ohm to 100M ohm.
Quality Factor : 0.1 to 99.
Disipation Factor : 0.1 to 99.
Basic Accuracy valid for L, C & R
Measurement: ±0.25% of reading ±1 digit.
Ultimate Resolution
Inductance : 0.1μH.
Capacitance : 0.1pF.
Resistance : 0.001 ohm.
Quality Factor : 0.01
Group A3. Electrical Machine Lab
12200-00
As in
specificati
on
1
SL
.
No
.
1.
Name of the Equipement
Induction Motor – DC generator set
Technical Specification
Qty
1. Induction motor : Slip Ring 1 set 66500-00
type Induction motor, 5 HP,
400 volts, 1450 rpm, Rotor
Resistance : 3-phase, star
connected, 60 / phase, cont.
variable
2. DC Generator : 3 KW, 220
volts, DC, 1500 rpm, shunt
type
Motor and generator are placed
on strong frame and coupled with
flexible coupling.
All the terminals of the motors,
generators, etc. brought to the Hylam 1
sheet
(80cm
X
120
cm, No
thickness=20mm)
for
flexible
connection. Starter ,MCB’s, ICDP,s
should be fitted on the panel with
necessary terminal knobs.
Auxiliary items
1. Field regulator : 0- 220V/2A 1No
.
2. DOL
stator
for
starting
1No
5HP,400V,1450RPM
.
3. Variac : 10A, 3 Ph
4. Rheostat : Screw motion type cont.
1No
5. variable rheostat,
.
6. 1K / 2A for field control
: Screw motion type cont. variable
1No
rheostat,
.
7. 30 /20A for armature 1No
.
control.
8. Load : Resistive Load Box, 1No
220 volts, 20 amps, Step .
variable (10A, 5A, 2A, 2A,
1No
1A)
.
1No
.
2
Synchronous generator – DC motor
set
.
1. Synchronous generator – 1set
3.75 KW, 4 pole, 0.8 pf
salient type 440V, field
76500-00
voltage 220V.
2. Compound type DC motor –
3.75 KW, 1500 rpm with
interpoles.
Motor and generator are placed on
strong frame and coupled with
flexible coupling.
All the terminals of the motors, 1
generators, etc. brought to the Hylam No
sheet
(80cm
X
120
cm,
thickness=20mm)
for
flexible
connection. Starter ,MCB’s, ICDP,s
should be fitted on the panel with
necessary terminal knobs.
1No
Auxiliary items
1.
2.
3.
4.
.
1No
3 point DOL stator
Field regulator : 0- 220V/2A .
1No
Variac : 8A, 3 Ph
.
Screw motion type cont. variable
1No
rheostat, 1K /2A for field
.
control .
5. Screw motion type cont. variable
rheostat, 20 /20A for armature1No
.
control
6. PF meter
7. Load : Resistive Load Box,
220 volts, 20 amps, Step
1No
variable (10A, 5A, 2A, 2A,
.
1A) –
1No
.
3
Synchronous generator – synchronous
motor set.
1set
1. Synchronous generator – 3
KW, 4 pole, 0.8 pf
cylindrical type 440V, field
1set
voltage 220V.
2. Synchronous motor 3 ph, 4
pole, 3 KW 440V, cylindrical
type.
Motor and generator are placed
on strong frame and coupled
with flexible coupling.
All the terminals of the motors, 1
83200-00
generators, etc. brought to the Hylam No.
sheet
(80cm
X
120
cm,
thickness=20mm)
for
flexible
connection. Starter ,MCB’s, ICDP,s
should be fitted on the panel with
necessary terminal knobs.
1No
Auxiliary items
1. Inductive load box – 0 –
10A/400V
2. Load : Resistive Load Box, 3
ph, 10 amps, Step variable
(5A, 2A, 2A, 1A)
4.
DC generator – DC motor set
.
1No
.
1. DC generator – 220V, 3 KW 1set
compound type, 1450 rpm
with inter poles
2. Compound type DC motor – 1set
3.75 KW, 1450 rpm with
inter poles.
Motor and generator are placed
on strong frame and coupled
with flexible coupling.
1No
.
All the terminals of the motors, generators,
etc. brought to the Hylam sheet (80cm X
120 cm, thickness=20mm) for flexible
connection. Starter ,MCB’s, ICDP,s should
be fitted on the panel with necessary
terminal knobs.
49800-00
1No
.
1No
1. 3 point DC stator
2. Field regulator : 0- 220V/2A .
1No
3. Screw motion type cont. variable
.
Auxiliary items
rheostat, 1K /2A for field
control .
4. Screw motion type cont. variable
1No
rheostat, 30 /20A for armature.
control
5.Load : Resistive Load Box,
220 volts, 20 amps, Step variable
1No
(10A, 5A, 2A, 2A, 1A)
.
5.
DC generator – DC motor set
1. DC generator – 220V, 3 KW 1Set 49800-00
shunt type, 1450 rpm with
1Set
inter poles
2. Series type DC motor – 3.75 .
KW, 1450 rpm with inter
poles.
Motor and generator are placed
on strong frame and coupled
with flexible coupling.
1
All the terminals of the motors, generators,
etc. brought to the Hylam sheet (80cm X
120 cm, thickness=20mm) for flexible
connection. Starter ,MCB’s, ICDP,s should
be fitted on the panel with necessary
terminal knobs.
Auxiliary items
1
No.
1. 3 point DC stator
2. Field regulator : 0- 220V/2A 1
3. Screw motion type cont. variableNo.
1
rheostat, 1K /2A for field control
.
No.
4. Screw motion type cont. variable
rheostat, 30 /20A for armature1
control
No.
5. Load : Resistive Load Box,
220 volts, 20 amps, Step
1
No.
variable (10A, 5A, 2A, 2A,
1A)
1
No.
6.
DC compound motor with mechanical
load arrangement
DC compound motor 230V, 0.5 HP,
1500 RPM WITH MECHANICAL
LOAD, Spring balance.
1set
56500-00
1No
All the terminals of the motors, etc. brought
to the Hylam sheet (80cm X 120. cm,
thickness=20mm) for flexible connection.
Starter ,MCB’s, ICDP,s should be fitted on
the panel with necessary terminal knobs.
Auxiliary items
1No
1. 3 point DC stator
2. Screw motion type cont. variable.
1
rheostat, 500 /1A for field control
No.
.
3. Screw motion type cont. variable
rheostat, 100 /4A for armature 1No
contr
7.
DC Series motor with mechanical load DC series motor 230V, 0.5 HP, 1500
arrangement
RPM
WITH MECHANICAL LOAD,
Spring balance.
.
1set
56500-00
1No
All the terminals of the motors, etc. brought
,
to the Hylam sheet (80cm X 120 cm .
thickness=20mm) for flexible connection.
Starter ,MCB’s, ICDP,s should be fitted on
the panel with necessary terminal knobs.
8.
DC shunt motor with mechanical load
arrangement
DC shunt motor 230V, 0.5 HP, 1500 1set 63400-00
RPM
WITH MECHANICAL LOAD,
Spring balance.
All the terminals of the motors, etc. brought
to the Hylam sheet (80cm X 120 cm,
thickness=20mm) for flexible connection.
Starter ,MCB’s, ICDP,s should be fitted on
the panel with necessary terminal knobs.
1No
1. 3 point DC stator
2. Screw motion type cont. variable.
1No .
rheostat, 500 /1A for field control
.
3. Screw motion type cont. variable
rheostat, 100 /4A for armature1No
contr
.
9.
Induction motor with mechanical load
arrangement
1- Phase Squirrel cage type
induction motor, capacitor
start , 230V, 0.5 HP, 1450
RPM
1set
76500-00
1No
All the terminals of the motors, etc. brought
to the Hylam sheet (80cm X 120 cm, .
thickness=20mm) for flexible connection.
Starter ,MCB’s, ICDP,s should be fitted on
the panel with necessary terminal knobs.
Variac – 270V/5A
10.
11.
Induction motor with mechanical load
arrangement
Synchronous motor with mechanical
load arrangement
1No
.
1set
88600-00
3- phase Slip ring type induction
motor, 440V, 4.8A, 1450 RPM
1No
All the terminals of the motors, etc. brought
to the Hylam sheet (80cm X 120 cm, .
thickness=20mm) for flexible connection.
Starter ,MCB’s, ICDP,s should be fitted on
the panel with necessary terminal knobs.
Variac – 8A, 3 ph
1No
.
Synchronous motor 3 ph, 4 pole, 3
KW 440V, salient type.
1set
1No
.
All the terminals of the motors, etc. brought
,
to the Hylam sheet (80cm X 120 cm
thickness=20mm) for flexible connection.
Starter ,MCB’s, ICDP,s should be fitted on
the panel with necessary terminal knobs.
79800-00
Variac – 8A, 3 ph
12.
Synchronous motor with mechanical
load arrangement
Synchronous motor cylindrical type
230V, 0.5 HP, 1450 RPM
1
No.
1set
79800-00
1No
All the terminals of the motors, etc. brought
,
to the Hylam sheet (80cm X 120 cm .
thickness=20mm) for flexible connection.
Starter ,MCB’s, ICDP,s should be fitted on
the panel with necessary terminal knobs.
Variac – 270V/5A
13.
Heat run test of a Single-Phase
Transformer
Transformer : 1 KVA, Primary :
230 volts, Secondary : 115 volts,
single phase, 50 Hz,
Normally air cool
1
No.
2
No.
46500-00
All the terminals of the transformer,1No
etc.
.
brought to the Hylam sheet (80cm X 120
cm,
thickness=20mm) for flexible connection.
Auxiliary items
1. Variac : Single phase,
table top type, portable, 0250 volts, 10 amps
2. Thermometers : 0– 2000 C,
Hg. thermometer
14.
of Single-phase Transformer
determining the sharing of loads
1
No.
2
No.
Transformer : 1 KVA, Primary : 2No 62300-00
230 volts, Secondary : 115 volts, .
single phase, 50 Hz,
Normally air cool
All the terminals of the transformer, etc.
brought to the Hylam sheet (80cm X 120
cm,
thickness=20mm) for flexible connection.
Auxiliary items
1No
.
1. Variac : Single phase, table
1No
top type, portable, 0-250
.
volts, 10 amps
2. Load : Resistive Load Box,
230 / 115 volts, 10 amps,
Step variable (5A, 2A, 2A,
1A)
15.
1 KVA, 50 Hz, normally air cooled,2
Connect Three-Phase transformer in Y-,
No.
CRGO
-Y, Y-Y, - and to determine
core, Input : 400 volts, Output : 230
the relationship between line
volts
voltages & phase voltages.
(In each transformer).
All the terminals of Primary and
Secondary coils are brought out on a
panel for different type of primary and
secondary
connection (i.e. Y-, -Y, Y-Y, -, VV etc.)
84500-00
16.
DC Power supply unit.
1
Set
19000-00
Input Side : 230 volts, singlephase, 50 Hz.
With DP MCB, Fuse protection,
AC voltmeter, Indicator lamps in
each phase.
Output Side : 0 – 220 volts
(continuous variable, 50 Amps.,
With DP MCB, fuse protection, DC
voltmeter, DC Ammeter indicator
lamp.
AC to DC conversion by Bridge
Rectifier with free-Wheel diode. LC
filter and snaber protection.
Operation : Servo control based Push
bottom control for increase/decrease
the voltage.
Floor mounted, self stand, MS Angle
frame & MS Sheet Body with
enamel paint.
17.
Single phase Transformer
3 KVA / 220 Pri. – 115 V Sec. / 50 hz. /
air cooled / copper
wound / Single Phase core type
transformer with sheet metal
enclosure. With 50% and 86.6%
tappings on both side
18.
Wattmeter (Dynamometer)
Portable, fitted in teak wood case
nicely polished with leather handle,
desk type, knife edge pointer, anti
parallax mirror, single/ multi range,
single element for single phase,
accuracy class 1, power factor unity.
10
No.
4650-00
As quoted
4
No.
a)
50/75/300V, 2.5A
b)
300V, 5A, LPF, UPF
4No
.
c)
500V, 10 A
6No
.
d)
500V , 5A
6
No.
e)
0-300-600V/0-5-10A
4
No.
19
Tachometer
(Contact type) rpm provided with
male, female & surface Rubber
center. , 60-50,000 RPM
5
No.
3200—00
20.
Tachometer
(Non-contact type), Rpm provided
with male, female & surface Rubber
center., 60-1,00,000 RPM
5
No.
3600-00
21.
Rheostats
Wire wound / single tube / rheostats
made in unbreakable metallic tube
with silicon clay coating.
650-00
a)
10 Ohm, 7.5A
3
No.
b)
50Ohm, 3.4A
3
No.
650-00
c)
200 Ohm, 1.7A
3
No.
365-00
d)
300 Ohm, 1.4A
3
No.
365-00
e) 400 Ohm, 1.2A
22
Digital Multimeter
4 ½ Digit 19999 counts TRMS with
capacitance, frequency, diode and
audible continuity
23.
Voltmeter, MI,
Portable meter housed in strong
Bakelite body with carrying handle,
Accuracy: 1%
3
No.
365-00
5
No.
450-00
As quoted
6
No.
a) 0-300V
24.
Ammeter, MI
b) 0-600V
6
No.
c) 0-150V
6
No.
d) 0-100V
4
No.
e) 0- 75V
3
No.
f) 0-50V
3
No.
g) 0-25V
3
No.
Portable meter housed in strong
Bakelite body with carrying handle
6
No.
a) 0-5A
b) 0-15A
6No
.
c) 0-10A
6
No.
d) 0-1A
6
No.
e) 0-20A
2
No.
f) 0-500mA
2
No.
g) 0-300mA
6
As quoted
No.
h) 0-200mA
2
No.
i) 0-100mA
2
No.
25.
Voltmeter, MC
Portable meter housed in strong
Bakelite body with carrying handle,
Accuracy: 1%
As quoted
8
No.
a) 0-300V
b) 0-150V
2
No.
c) 0-50V
2
No.
d) 0-25V
2
No.
e) 0-15V
2
No.
f) 0-10V
2
No.
g) 0-300V
8
No.
26.
Ammeter, MC
Portable meter housed in strong
Bakelite body with carrying handle,
Accuracy: 1%
As quoted
a) 0- 1A
4
No.
b) 0- 10A
4
No.
c) 0- 3A
4
No.
d) 0- 5A
6
No.
e) 0-25A
6
No.
f) 0- 1A
4
No.
g) 0- 15A
4
No.
27.
Phase sequence indicator
Portable phase sequence indicator
suitable to work on 50–500V, 25 to
50Hz supply
3
No.
GROUP B
ELECTRONICS AND COMMUNICATION DEPARTMENT
LEC/DEC laboratory
No
1.
Item
Cathode Ray
Oscilloscope
Description/ Technical Specification
Dual Channel:- 2 Channel Oscilloscope with probes, 40
MHz Trigger Bandwidth
Sensitivity 2mV/ Div-10V/ Div, Rise time < 25 ns,
input impedance=1MW, Display mode: channel1,
channel2, dual, Sweep time:- 0.1 msec-0.5msec/ div,
Accuracy:- +/- (5) %, Trigger mode:- Auto, Normal,
TV Component & continuity Tester, Microcontroller
based design,
Qty
20
2450000
16x2 Alpha numeric LCD with backlit
Alternate triggering
Gold Plated BNC Connectors
(Economical & Space saving)
DC Power Supply in built: +/-12V & +/- 5V
Display size: 8x10 cm (approx.)
Trace rotation: Adjustable on front panel.
Calibrator: Square wave generator 1KHz (approx..),
0.2V +1% for probe compensation.
Power consumption: 50VA (approx.)
Hold-off: Variable control for stable triggering
Slope: Positive or Negative
2.
20 MHz Function Waveform: Sine, Triangle, Square, variable duty, cycle
Generator
pulse & variable slope ramp.
Frequency Range: 0.2Hz-20MHz in 8Decade
Range,0.2Hz 150MHz(1s) EXT Frequency Counter.
Frequency Indication Accuracy: +5% of the full scale.
Max.
O/P level: 20V pp in open circuit. 10V pp into 50W
Attenuation: 20 dB, 40 dB, 60 dB (20 dB approx.
variable in
between)
Display: 3 1/2 digit LED.
20
4800-00
3.
D.C. Power
Supply
30
2900-00
DC Outputs
Fixed: +15V, +12V, & +5V,1A;
Variable: 0 to +30V, 2 A;
Coarse & Fine adjustment
Portable desk type with input 240V AC supply,
appropriate
fuse fitted, Digital display for voltage and current,
Adjustable
current limiter
4.
110-00
Moving coil DC
Ammeter
5.
Moving coil DC
Voltmeter
6.
Digital
Multimeter
7.
Universal IC
Tester (Digital
and Analog)
8.
Digital
Experimental
Board (Digital
Lab Board)
a) (0-200) μA
b) (0-200) mA
20
20
a) (0-12) V
b) (0-25) V
20
20
30
110-00
110-00
Functions
 AC/DC voltage measurement
 AC/DC Current(Micro-Milli-10 (or above)
ampere)
 Resistance(few Ω - several MΩ)
measurement
 Capacitance(Nano/Micro Farad)
measurement
 Frequency
 Continuity test buzzer sounds if R <50Ω
 Diode test
 Transistor test
 Digital display
 Continuity test etc
 Test most of the Digital IC’s(including all 74 series
and opamps), Microprocessors, Static & dynamic
RAM & peripheral IC’S.
 Automatic testing of IC. No wiring or reference IC.
 40 pin ZIF to test IC’s in DIP package.
 Protection Against wrong insertion.
 Repeated testing of same IC without re-entering the
IC no.
 Auto find the number of Digital IC’s up to 20 pins
or more.
 Display the probable equivalents of Digital IC’s.
 LCD Display
 Audible sound for bad IC.
 Inbuilt Power supply.
On-Board Breadboard, Pulse Generator with
TTL/CMOS.
Size of Bread-board: (172.5 X 128.5) mm
DC on-board power supply: +5V, 1 A;-5V,500mA
+3V to + 15V, 500 mA (variable)
-3V to -15V,500mA (variable)
Pulsar generator on Board: (Frequency range,approx.)
1Hz- 1MHz
in 6 steps; variable in between steps
110-00
900-00
2
1860000
20
1230000
(Amplitude,approx) 3V -15V (CMOS), 5V (TTL)
Pulsar switches: 2 Nos. (Push to on)
Data switches: 16 Nos. (Toggle switches for both TTL &
CMOS mode)
LED display: 8 Nos. (TTL/CMOS mode)
BCD - Seven segment Display: 2 Nos.
Logic probe: Logic level indicator for TTL/CMOS (7
segment)
Power requirement: 230V ±10%, 50 Hz.
9.
Soldering &
Desoldering
station
1
Complete set
650-00