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Instrumentation & Control Equipments
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Suppliers Directory
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SIVANANDA ELECTRONICS
| | Address : |
D 70 TARAPORE GARDEN, LINK ROAD EXTENSION ANDHERI (W) |
| Telephone : |
022 26264179 |
| Fax : |
022 26321015 |
| Send : |
On-Line Trade Inquiry |
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Products |
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CAPACITANCE & TAN DELTA MEASUREMENT SYSTEM - MLS-1 - SIVANANDA OFFERS A COST EFFECTIVE INDIGENOUS CAPACITANCE AND TAN DELTA MEASUREMENT SYSTEM FOR MONITORING INSULATION CONDITION OF HIGH VOLTAGE EQUIPMENTS LIKE BUSHING, TRANSFORMERS, MOTOR, GENERATORS, POWER CABLES, POWER CAPACITORS, AND OTHER HIGH VOLTAGE EQUIPMENT. THE VARIATION OF CAPACITANCE AND TAN DELTA WITH THE APPLIED VOLTAGE PROVIDES USEFUL INFORMATION ABOUT THE DETERIORATION IN INSULATION. SIVA CAPACITANCE AND TAN DELTA TEST MEASUREMENT SYSTEM COMPRISES C AND TAN DELTA BRIDGE MODEL MLS- 11D, HIGH VOLTAGE POWER SUPPLY MODEL HLS- 12 WITH BUILT-IN GAS FILLED (SF6) STANDARD CAPACITOR AND A SET OF CABLES. THE DESIGN OF THE BRIDGE USES THE PRINCIPLE OF THREE WINDING DIFFERENTIAL TRANSFORMERS ON A HIGH PERMEABILITY MU-METAL CORE WHICH MAKES IT COMPACT. THE BRIDGE IS CONTAINED IN A STURDY METALLIC HOUSING WITH MU-METAL LINING WHICH SHIELDS IT FROM EXTERNAL ELECTROMAGNETIC AND ELECTROSTATIC INFLUENCES IN A SUBSTATION AND SWITCHYARDS. IT IS SUITABLE FOR TESTING GROUNDED, UNGROUNDED AND GUARDED OBJECTS. MLS- 11D HAS A TAN DELTA RANGE OF 0.000 1 TO 11.1 WITH A MINIMUM RESOLUTION OF 1 X E-6 AND CAPACITANCE RANGE OF 1 PF TO 1.1 MICRO FARAD WHICH CAN BE EXTENDED UP TO 1,000 MICROFARAD BY USING SIVAS CURRENT TRANSFORMER, CAPACITANCE RESOLUTION IS UP TO 0.1 PF. HIGH VOLTAGE POWER SUPPLY IS AVAILABLE WITH A RANGE UP TO 35 KV, 1.5 A. THE INSTRUMENT CONFORMS TO INTERNATIONAL STANDARDS AND HAS BEEN ACCEPTED ALL OVER THE COUNTRY.
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CAPACITANCE METER - SIVANANDA OFFERS A CAPACITANCE METER WITH SIMULTANEOUS READOUT OF CAPACITANCE AND DISSIPATION FACTOR (TANDELTA). THIS METER IS DESIGNED TO MEET THE REQUIREMENTS OF THE MANUFACTURERS IN THE LABORATORY AND USERS FOR INCOMING INSPECTION. TWO DIFFERENT READING METERS PERMIT SIMULTANEOUS MEASUREMENT OF CAPACITANCE AND DISSIPATION FACTOR. A LOW LEVEL 120 HZ TEST SIGNAL IS USED TO MINIMISE THE EFFECT OF ANY CAPACITANCE VS VOLTAGE NONLINEARITY. IT UTILISES THE 4-TERMINAL MEASURING PRINCIPLE WHERE CONSTANT CURRENT IS APPLIED TO THE SAMPLE AND THE VOLTAGE DROP ACROSS THE SAMPLE IS DEFEATED, THUS RESULTING IN A LINEAR METER SCALE WHICH MAINTAINS HIGH RESOLUTION AT ANY READING. SOME OF ITS FEATURES ARE: WIDE CAPACITANCE RANGE (1 MFD TO 250,000 MFD), INTERNAL DC BIAS, FAST RESPONSE, AND TOUCH AND READ OPERATION. THE INSTRUMENT CONFORMS TO RELEVANT INTERNATIONAL STANDARDS AND HAS BEEN ACCEPTED ALL OVER INDIA.
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CONDUCTIVE METER - SIVANANDA OFFERS AN INDIGENOUS PORTABLE CONDUCTIVITY METER FOR EASY DETERMINATION OF CONDUCTIVITY OF NON-FERROUS METALS BASED ON EDDY CURRENT PRINCIPLE. THIS INSTRUMENT USES A PROBE WHICH WHEN PLACED ON THE SURFACE OF METAL INDICATES CONDUCTIVITY ON A LINEAR SCALE PANEL METER. WHILST THE ACCURACY CLAIMED IS 2%, HOWEVER, FOR HIGH CONDUCTIVITY SAMPLES AN ACCURACY OF BETTER THAN 1% IS EASILY OBTAINED. THE INSTRUMENT IS SUPPLIED IN A RUGGED CARRYING CASE. IT HAS A MEASUREMENT TIME OF LESS THAN 5 SECS PER SAMPLE WITH A VERY FAST RESPONSE. PROBES OF DIFFERENT DIAMETERS (8 MM, 10 MM, 12 MM) ARE AVAILABLE. RANGE OF CONDUCTIVITY IS FROM 20% TO 110% WRTIACS 10 M/OHM MM2 AND 64 M/OHM MM2. APPLICATIONS INCLUDE: CONDUCTIVITY MEASUREMENT OF ELECTRICAL CONDUCTOR MADE OF COPPER, ALUMINIUM AND THEIR ALLOYS; SEGREGATION OF MIXED LOT OF NON-FERROUS METALS; AND TO DETECT THE SUBSURFACE CRACKS ON THE METAL.
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IMPEDANCE METER - MK-I, MK-II AND MK- - SIVANANDA OFFERS AN INDIGENOUSLY DESIGNED IMPEDANCE METER FOR MEASUREMENT OF CHARACTERISTIC IMPEDANCE OF CABLES. IT CAN ALSO MEASURE THE IMPEDANCE OF COMPONENT LIKE CAPACITORS, INDUCTORS AND RESISTORS. FEATURES INCLUDE: HIGH GAIN AND FLAT RESPONSE AMPLIFIER; INTERNAL CAL FACILITY IS PROVIDED TO CHECK THE CALIBRATION OF THE INSTRUMENTS; DIGITAL READOUT OF IMPEDANCE VALUE; AND SUITABLE FOR TWISTED PAIRED, COAXIAL AND JELLY FILLED CABLES. THREE DIFFERENT MODELS ARE AVAILABLE WITH DIFFERENT TEST FREQUENCY SUCH AS: MK-I: 800 HZ AND 5 KHZ WITH FACILITY FOR USE WITH EXTERNAL OSCILLATOR (500 HZ TO 20 KHZ); MK-II: 1 MHZ; AND MK-IV: 1 MHZ, 520 KHZ AND 120 KHZ. THIS INSTRUMENT CONFORMS TO INTERNATIONAL STANDARDS.
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MILLION MEGOHMMETER - SIVANANDA OFFERS AN INDIGENOUS ELECTRONIC MILLION MEGOHMMETER DESIGNED TO TEST INSULATION RESISTANCE OF CAPACITORS, CABLES, MOTORS, GENERATORS, TRANSFORMERS, TRANSFORMER OILS, RUBBER, BUSHINGS, SWITCHGEAR, ETC, AS PER IS SPECIFICATIONS WHICH CAN MATCH THE PERFORMANCE OF INTERNATIONAL BRANDS. THE INSTRUMENT PROVIDES STABLE READINGS IN GIGAOHM AND TERAOHM REGION EVEN WHEN MEASURING INSULATION OF HIGHLY CAPACITIVE TEST PIECES SUCH AS CABLES, POWER CAPACITORS AND HIGH VOLTGE TRANSFORMERS. SPOT TEST VOLTAGE OR CONTINUOUSLY VARIABLE TEST VOLTAGE FROM 50 V TO 10 KVDC ARE AVAILABLE. SOME OF THE SALIENT FEATURES OF THIS MEGGAR ARE PUSHBUTTON CONTROLS FOR RAPID TESTING, WIDE MEASUREMENT RANGE FROM 1 MEGAOHM TO A 100 MILLION MEGAOHMS, FULLY PROTECTED AGAINST ALL TYPES OF OVERLOAD, COMPLETELY SOLID STATE CIRCUITRY HENCE DRIFT-FREE OPERATION (0.001% SHORT TERM DRIFT). GUARD TERMINAL IS PROVIDED AND SUITABLE FOR TESTING GROUNDED OBJECTS. THIS MEGGAR IS AVAILABLE IN 7 MODELS WITH DIFFERENT TEST VOLTAGES TO COVER ALL THE APPLICATIONS IN ELECTRICAL AND ELECTRONICS INDUSTRIES. THE INSTRUMENT CONFORMS TO INTEMATIONAL STANDARDS AND HAS BEEN ACCEPTED ALL OVER INDIA. MORE THAN 1000 UNITS ARE IN OPERATION.
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TRANSFORMER OIL TEST SYSTEM - MODEL LS- - SIVANANDA OFFERS AN INDIGENOUS DEDICATED OIL TEST SYSTEM FOR THE MEASUREMENT OF OIL LOSS ANGLE, RESISTIVITY AND DIELECTRIC CONSTANT (AS PER IS 6262-1971, IS 6103-1971 AND IS 335-1972) OF CHEMICAL OILS USED IN ELECTRICAL APPLIANCES SUCH AS TRANSFORMER CAPACITORS, CIRCUIT BREAKERS, CABLES, ETC. SIVA OIL TEST SYSTEM COMPRISES OIL LOSS ANGLE METER MODEL MLO- I D FOR TAN DELTA AND DIELECTRIC CONSTANT MEASUREMENT, MILLION MEGOHM METER MODEL LS-3B FOR RESISTIVITY, THREE TERMINAL OIL CELL, HEATING CHAMBER, STANDARD RESISTOR AND STANDARD CAPACITOR AS ITS ACCESSORIES. THE SYSTEM IS FULLY PROTECTED AGAINST SHORT CIRCUIT, WRONG SELECTION OF RANGES AND WIDE SUPPLY VOLTAGE FLUCTUATIONS. IT HAS A MINIMUM TAN DELTA RESOLUTION OF 0.0001 AND RESISTIVITY MEASUREMENT UP TO 62000 X 10E12 OHM CM. HIGHER TAN DELTA RESOLUTION ARE AVAILABLE IN OTHER MODELS. THIS SYSTEM HAS COMPLETE SOLID STATE CIRCUITRY USING THE STATE OF THE ART TECHNOLOGY. THE INSTRUMENT CONFORMS TO INTERNATIONAL STANDARDS AND HAS BEEN ACCEPTED ALL OVER THE COUNTRY.
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