Electronics and Electricals

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.

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"

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"

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"

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%

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.

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

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.

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).

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

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

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).

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

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.

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.