| SCIENTIFIC INSTRUMENTS |
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A.F. Oscillator TE-95 (Bridge Experiments)
A fix frequency Oscillator for Bridge Experiments, workable
on 220 Volts 50 Hz, Giving variable output 0 to 10 volts P-P at 1000 Hz.
Accuracy ±2% Output impedance 600 Ohms.
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A.F.
Oscillator TE-93 (Function Generator)
Generates
frequency from 1 Hz to 250 KHz in 5 steps wave form is sine square and
Triangular. Output is variable from 0 to 10 Volts Accuracy ± 3% or 2 Hz.
Output Impedance 50 ohms. Solid State. Workable on 220 v 50 Hz complete
I.C. version with coarse and fine controls for output and frequency select.
Dimension 11"x5 1/2 x 5" |
A.F. Oscillator TE-93-B
(Digital)
same as above, with digital read out. specification ;
wave form sin\sq \ triangular frequency Range:1Hz to 250 k Hz in five
selectable bands. Amplitude: 1to10 V P-P for continuous variation in
three coarse steps and a fine control.
Output impedance-50 ohm
Read out- Digital
Dimension: 13"x6"x5" |
A.F. Oscillator TE-91 (Function Generator) Cum Digital
Frequency
Meter Variable from 1 Hz to 1 MHz in five decade ranges Accuracy ±2% or 1
Hz. Six steps output 1 mV to 20V open circuit, continuously variable.
Frequency response ±0.3 db from 20 Hz to 20 KHz. Setting at KHz, 0-5 dB,
10 Hz to100 KHz. Output Impedance 600 Ohms. The instrument is solid state
and workable on 220 Volts 50 Hz. Sine, Square waves, Read out Digital.
Frequency meter can be used to read 10 Hz to 10 MHz and seperate terminals
in provided for that.
Dimension
: 13"x6"x5" |
R.F. Oscillator TE-92
Variable 100 KHz to 30 MHz. The instrument is to
deliver modulated output and continuous wave form. The frequency
range is covered in eight bands , modulation frequency is 400 Hz, and also
available on output terminals. M Modulation depth 30% Accuracy ±2% |
R.F. Oscillator TE-92
General use of instruments is in ultra sound and letcher wire
experiments. Generate frequency 3 MHz with high output volts. The
frequency is calibrated on dial. |
R.F. Oscillator (AM/FM)TE-92C
Union
instrument for testing Radio and T.V. Set variable from 200 KHz to 280 MHz
in seven band output modulated at 400 Hz and 1 KHz with calibrated
dial. F.M. modulating automatically switched above 50 MHz, output
variable 0 to 200 m.V |
Crystal
Marker Generator : T E-120
Instruments is standard frequency generator, workable 220V 50 Hz, crystal used
is of fundamental frequency of 1 MHz, Frequency output level is T.T.L.
compatible. Four decade dividing circuit is used to make it variable 1 Hz
to 1 MHz. Digital indicator 4 digit. |
T.V.
Pattern Generator TE-121 (Black and
White)
The
Instrument generate seven type of pattern and sound of 1 KHz. It is ideal
for T.V. Testing and alignment of sync circuit and quick testing of R.F. I.F.
Video and sound circuits. The equipment work on all 12 channel of T.V. It
is generates pin point frequency for the desired channel. The design is as
per C.C.I.R. standard. Workable on 220 V 50 Hz (The Pattern generated are
cross, horizontal, vertical, dot, side cross and blank). |
T.V.
Pattern Generator TE-121 (Black and
White)
The
instrument find application for checking coloured T.V. Line frame, time bass,
linearity, picture, dimensions, video, I.F. sound and functional performance of
Audio/Video Stages. It give four coloured and three black and white
patterns. Specifications : Line frequency-15625 Hz Fixed |
Pulse
Generator : TE-123
The
instrument produces rectangular pulses. The pulse rate and the pulse width
is variable. The pulse amplitude can be selected to trigger T.T.L.
Circuit. Specification :-
Pulse
Time : 10 Micro sec. to 1 sec. variable
External Triggering : 2-20 Volts.
Pulse Width : 1 Micro sec. to 1 sec.
Output Voltage : 1 Volt to 15 Volts
Rise Time : 10 sec. in 50 ohms load. |
Conductivity Bridge TE-94
This
instrument is to measure Conductance of Electrolyte solution or its
Resistance directly. Working frequencies are 50 Hz and 1 KHz. Direct
calibration in MHO. Resistance 0.1 Ohms to 1 Meg ohms. Conductance 1 MHO
to 1 Micro MHz in seven ranges, Accuracy ±1% mid scale and ±3% on both
ends. Null detection on meter with Conductivity Cell.
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L.C.R. Bridge TE-98
Fully
Solid state instrument, workable on 220 V 50 Hz or on 9 Volts Battery,
useful for the wide range measurement of Resistance, Capacitance and
Inductance.
Resistance Range : 0.01 Ohms to 1 Meg Ohms in seven ranges. Capacitance 2
PF to 110 MFD. Inductance 2 micro Henries to 110 Henry in seven ranges
Accuracy ±1%, D-0.001 to 10Q=1 to 10.
Dimension
14"x9"x5½" |
Dual Trace Oscilloscope : TE-96A
It
is a 20 MHz Dual Channel Oscilloscope that s ideal for, professionals as
well as students undergoing technical studies. It is a rugged, light
weight instrument that features a brijght, sharply defined trace on a 80
by 100 mm cathode ray tube. The internal trigger signal is ac coupled. An
external triggering signal or an external Z-axis modulation signal can be
applied via a front panel or rear panel connector and the source selector
switch. The horizontal system provides calibration sweep speeds from 0.2s
to 0.1 Micro S per division. For greater measurement accuracy a x5
magnifier circuit extends the maximum sweep speed to 20 ns per division.
Special Features : Synchronisation
of the signals from the two channels can be identified by a Red LED,
marked as "READY", present on the right hand side top on the
front panel.
| Frequency
Bandwidth |
DC
- 20 MHz |
| Deflection
Factor |
5mV/div-10V
x div x 5 |
| Sweep
Factor |
0.2s-0.1s/div.
±5% |
| Trigger
Synchronization |
Int,
Alt, Line, Ext. TV. |
| Vertical
type |
CH1,
CH2, Alt, Chop |
| Sweep
Mode |
Auto,
Trigger, Single time |
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Oscilloscope : TE-96
Fully
Solid state workable on 220 volts 50 Hz. All supplies are stabilized for
accurate and stable operation. Single beam with a band width DC to 10 MHz.
The accurate triggering of time base enable clear and stable display on
screen 8x8 cm. Vertical deflection can be selected for either A.C. or D.C.
provision or attenuation in the input circuit, calibrated from 5 mV to
50V/cm.
| Specifications
: |
| Band
width |
Vertical
D.C. to 10 MHz (3db) |
| Sensitivity |
10mV/Cm
Maximum |
| Input
Impedance |
1
M Ohm. |
| Square
wave calibration |
2
VP-P. |
| Triggering |
Internal
from vertical amplifier or external. |
| Sweep
Time Factor |
0.1
us/Div. 0.1s/div. ±5%. |
| Horizontal
Amplifier : |
| Band
width |
DC
to 1 MHz. |
| Display |
8x8
cm square |
| Power
requirement |
25
Watt 230 V 50 Hz. |
| Dimension |
8"x5½"x11" |
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Oscilloscope : TE-97
This
instrument is for college laboratory workable on 220 Volts. A.C. Vertical
bandwidth 10 HZ to 2 MHz. Cathode Ray tube dimensions 8 cm. Sensitivity
vertical 30 mV/Cm. Time base frequency 16 Hz to 50 KHz with Lock and
Fine arrangement All controls for Focus, Intensity. X and Y shift
are on rear panel. Built in arrangement for 50 Hz output for demonstration
of lissageious figures. |
Signal Tracer : TE-99
The instrument is used to locate faults in radio receiver. Workable on 220
Volt Hz. Probe 100 KHz to 30 MHz is provided to detect R.F. and I.F.
Signal. The audible capability is upto 5 Watts. Complete with A.F./R.F.
Probes and loudspeaker. |
Power Output Meter : TE-100
The instrument is to measure power directly across
on load. The calibration is on a analogue meter and variable load can be
selected by an band switch. The variation of load is 4, 8, 16, 32, 250,
600, 5000 ohms, range is 0-10 watts in two steps. 0 to 1 and 1 to 10 watts
F.S.D., workable on 220 Volts, 50 Hz. |
V.T.V.M. : TE-63
Workable on 220
V 50 Hz compiled in steel cabinet, rectangular meter 110x90mm.
Suitable for
measurement of A.C. / D.C., Resistance 0-1000M. Ohms in seven ranges R.F.
0.50 Volts R.M.S. in 4 ranges.
D.C. Range :
1.5, 5, 15, 150, 500, 1500 FS-D
A.C. Range :
1.5, 5, 15, 50, 150, 500, 1500 F.S.D.
Resistance : 1K,
10K, 100K, 1M, 10M, 100M, 1000M. |
Absorption Wave Meter : TE-132
The instrument
is to detect Radio frequency radiations. The wave length and strength can be
known by tuning on L.C. Circuit. It consists of variable capacitor and two plugable
inductors. Frequency covered is 1 MHz to 10 MHz. |
Absorption Wave Meter : TE-132 B
Same as above with six coils 100 KHz to 100 MHz. |
Transistor Testor : TE-133
Instrument
is to test P.N.P. and N.P.N. transistors general purpose and low power.
The indicator comprises an moving coil meter calibrated in gain or hfe.
Socket provided for connecting transistor. Workable 220 V 50 Hz. |
Distortion Factor Meter : TE-202
Instrument is measure unwanted
distorted signal in an amplifier, by feeding pure sine wave and amplified
signal passing through filters and distorted signal measured on meter in
terms of percentage. The instrument consists of sine wave generator filter
circuit and meter. Workable 220 V 50 H. The capability of this instrument
is to measure distortion in audioable range 20 Hz to 20 KHz. |
Q Meter : TE-203
The instrument is to measure ! (Quality factor) of
an inductor. which is necessary to know when designing coils or
transformer, measuring frequency is 1 KHZ or 10 KHZ. Measuring range is
0.1 to 100. Moving coil meter is used as indicator. Workable 220 V 50Hz.
Balancing dial is directly calibrated in terms of Dimension : 14"x9"x5½" |
Clamp ON Meter : TE-107F
Instrument is to measure
alternating voltage and current without connecting the same, measurement
is by induction effect in coil.
Measuring Range : 0 - 500 V A.C.
0 - 500 Amps. A.C.
D.C. and Resistance measure by leads. |
Sound Level Meter
The instrument is to measure sound pressure in public
palaces, workshop, machinery mills, vehicles. The sound is picked up and
amplified attenuated and fed moving coil meter calibrated in decibles,
measuring range: 50 to 110 db., Battery operated. |
Stroboscope
Instrument is to see the stroboscopic effect and
determine the speed of moving articals without connecting it with
revolving wheel shaft. Measuring range : 100 RPM to 10,000 RPM. with
calibrated dial, Mains operated. Optional battery |
