Sunil Associates

DC Regulated Power Supply is an easy to use, low ripple high regulation precision instrument. It is particularly suitable for experimental development and low voltage applications. Its unique feature is over load protection, which makes it a safe power source for testing of electronic equipment.

The supply provides a maximum of 30 volts. Both voltage and current are precisely regulated. The power supply can be operated in either constant voltage or current volt and is protected against overload or short circuit by means of automatic cross over characteristics from constant voltage to constant current mode.

SIGMA Digital Cable Fault Locator is a precision instrument, easy to use, which provides spontaneous display of the location of break in pair wires and cables. Unlike conventional cable fault locators in which a lengthy procedure of obtaining a null point in a galvanometer and then computing the faulty length of cable is to be gone through, here the faulty cable is just to be connected, one setting to be made and location of fault in terms of total length directly read on display upto a resolution of 0.1%.

Display: 3½ Digit bright LED display.
Resolution: 0.1%.
Power: 220 V AC ± 10%.

This model is used for Cable Manufacturing Unit, ITI, Polytechnique lab for educational purpose.

The Digital Capacitance Meter is a precision instrument capable of measuring a wide range of capacitance values. It covers the range of low value ceramic and styroflex capacitors to the high value range of electrolytes.

The instrument uses solid state, low drift circuitry to ensure a stable reading and a high accuracy. The instrument is ideally suited for quality control departments as well as electrical and electronic industry.

The DISTORTION METER DSM-201 a highly selective balancing network is used to eliminate the fundamental frequency in the 20Hz to 20kHz band. The distortion products are fed to a stable high-gain wideband amplifier for indication on the meter. The amplifier is effective up to 200KHz and measurements are possible up to and including the tenth harmonic of 20KHz.
The balancing network is switched cover three-decade bands for measuring distortion levels whereby the signal the high-gain amplifier is used as a sensitive voltmeter. To facilitate tuning Output distortion BNC socket are provided for oscilloscope connection when observing the distortion components, which responds quickly to any change in tuning. This works in conjunction with the digital panel meter.

The Function Generator is a useful test instrument capable of generating multiple waveforms like sine, square and triangle at any required frequency, in switched decade sub-ranges. The generator has an output BNC connector, 50 ohms output impedance and a maximum wave output of 10 volts peak to peak, which may be adjusted by a variable potentiometer control. The Function Generator has a function selection switch; sine, square, triangle is selectable by a switch.

The model provides an ideal signal source for testing of servo and vibrating systems, medical and geophysical equipment, audio amplifiers, transducer circuits, filter circuits etc. The Function Generator uses high performance low drift circuitry to ensure low distortion and frequency stability. The entire circuit is laid on high quality printed circuit board, which is epoxy masked and component numbers are marked on it, for easy maintenance and servicing.

Digital Lux Meter is used to find Lux of any illuminating sample.

Range: 0 to 50000 Lux in 3 ranges of 0 to 2000, 0 to 20000 and 0 to 50000 Lux. Range selection is provided with front panel control

Higher Lux Models also available

Product Code:

002

The Digital Microohm meter or Micro Ohm Meter is a precision instrument, which is extremely suitable for measurement of low value resistance.
The instrument uses state of art technology for measurement of low values of resistances. The measuring technique eliminates errors caused due to resistance in the connecting leads.
The instrument uses precision low drift integrated circuits to ensure stability of measurement over widely changing conditions.

DC Voltage: 200m/2/20/200/1000V ±0.5%

AC Voltage: 200mv ±1.2%, 2/20/200V ±0.8%, 1000V ±1.2%

DC Current: 200µ/2m/20mA ±0.8%, 200m/2A ±1.2%, 10A ±2%

AC Current: 20µA ±3%, 200µ/2m/20mA±1.0%, 200m/2A±1.8%, 10A±3%

Resistance: 200/2K/20K/200K/2MOhm ±0.5%, 20MOhm ±1.0%

Continuity checking with buzzer

Diode check: Test current 1.0mA, Test voltage 2.8V
hFE: 1~1000

Power source: 6F22(9V) x 1

Size Weight: 88 x 172 x 36mm 340g (including battery)

Display: 26 x 60mm LCD

DMM (Digital Multimeter) 4½ and with other features also available.

Sound Level Meter

Features:

LCD digital display
Wide dynamic range
Auto/Manual range
Fast/Slow response selectable
MAX value hold function
A/C weighting selection
AC/DC auxilitary output
Backlight
Low power indication


Specification:

Measurement range: 30dB ~ 130dB
Accuracy: ±2dB
Resolution: 0.1dB
Display: 3 1/2 digitals
Sample rate: 2 times/s
Battery voltage: 4X1.5VAA

Digital Techo Meter Non Contact Type is useful for measurements of RPM’s of motors, mixers, pumps, fans etc.

Useful for industries like railways, electricity boards, defence establishments, R&D organizations, communication centres, laboratories, colleges, etc.

Features:

Microcontroller based design with World class Indian software RPM measurement from 1 RPM up to 99,999 RPM. Non-Contact Sensing through reflected light beam LCD Display.

Memory facility to retain measured value
Portable, Light weight, Strong and Elegant ABS Enclosure

Features:
• Automatic range
• Wide temperature measurement -20ºC to 530ºC
• Back light
• Circular twelve dots laser targeting
• 3 ½ Digit display
• Emissivity: 0.95
• Field of view: 12: 1
• Resolution: 0.1°C
• Display: Back light LCD display
• Laser power <1mW
• Battery 6F22 (9V)
• Over range indication “OL” or “-OL”
• Low battery indication
• Auto power off

Digital Vibration Meter is used to monitor industrial vibration, high accuracy, digital readout, light duty used in general industrial maintanance, production, quality control, laboratories and as well as for schools and colleges.

Features:

LCD digital display

Range:

Velocity: 200 mm/s : 0.5 to 199.9 mm/s
Acceleration: 200 mm/s 2 : 0.5 to 199.9 mm/s 2
Frequency: 10Hz to 1 KHz
Accuracy: ± (5% + 2d)
Auto Shut Off
Data Hold
Power: Alkaline DC 9V

Digital watt meter provide accurate measurements of wattages. Voltage, current and power factors are precisely measured and wattage is calculated using micro controller based technology. Value of wattage is displayed on 4 digits LED display with floating decimal point.
Variac is used in watt meter to provide wide range of supply voltage from 150 to 300 volts.

SIGMA High voltage breakdown tester are useful for measurement of breakdown (flashover) voltage of electrical components, insulation materials instruments, transformers, etc. can be used to ascertain quality of insulation material before planning their usage in electrical applications. The front panel incorporates all controls for operation of the unit. Easy to use test probes with micro-switch supplied to connect the output high voltage to the device under test.

SIGMA Million Megohm Meter is an ideal instrument for measuring high resistance and insulation. Since it applies a highly stable IC regulated H.T up to 500VDC across the element under test, it serves the purpose of a megger also. It measures the insulation resistance of the sample under stress by subjecting it to the voltage. It has a measuring range of 1 Megohm to 10 Million Megohms in six decade ranges and is capable of reading up to 10 Million Megohms (1015 Ohms) with accuracy operational amplifiers ensures low drift, low input bias current, highly stable performance. A separate HT-NORM-RX switch with amber colour lamp indication facilitates to link or de-link HT with terminal. The HT can also be across checked and set accurately in HT position by observing PSD and using fine and coarse H.T controls

Product Code:

001

DIGITAL AUDIO OUTPUT METER is meant for measurement of power output capacity of audio amplifiers or power sources

Salient Features
• 3 ½ Digit, 0.5” LED display
• Accurate measurement of power with digital meter
• Impedance selector for load termination
• Selection of internal load