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Instrumentation & Control Equipments
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Suppliers Directory
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RAVIKA INSTRUMENTS
| | Address : |
WH 69, PHASE 1, MAYAPURI INDUSTRIAL AREA, |
| Telephone : |
011 25132743, 25493150 |
| Fax : |
91 11 25133717 |
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PRESSURE GAUGE CALIBRATOR - RAVIKA INSTRUMENTS PRESENTSRANGE PRESSURE GAUGE CALIBRATIONS USED IN CALIBRATION OF PRESSURE GAUGES AND OTHER SENSING, TRANSMITTING AND PRESSURE RECORDING INSTRUMENTS. THE TESTERS MAKE USE OF THE RELATIONSHIP BETWEEN PRESSURE ACTING ON THE KNOWN AREA OF A VERTICALLY FREE FLOATING PISTON PRODUCING A FORCE BALANCED BY KNOWN DEAD WEIGHT. THE CALIBRATION IS DONE AGAINST INSTRUMENTS OF ACCURACY ±0.025% AND ±0.073% CERTIFIED AND CHARACTERIZED BY NATIONAL PHYSICAL LABORATORY, NEW DELHI, USING CROSS-FLOAT METHOD. MAIN COMPONENT OF THE TESTER IS SCREW PUMP TO GENERATE PRESSURE IN THE CIRCUIT OF ADEQUATE CAPACITY, OPERATED BY A SPOKED HANDLE, WHICH PERMITS EASY AND ACCURATE SETTING OF PRESSURE. HIGH PRESSURE CALIBRATORS ARE PROVIDED WITH A LEVER OPERATED PRIMING PUMP AS WELL. FREE PISTON ASSEMBLY OF SPECIAL STEEL, HARDENED, TEMPERED GROUND AND LAPPED TO ACCURATE SIZE AND VERY FINE SURFACE FINISH PROVIDES TRUE FLOATING ACTION. A SET OF WEIGHTS DIRECTLY MARKED IN CONVENIENT VALUES OF PRESSURE AND EASILY STACKED ON THE WEIGHT CARRIER, WHICH IS SCREWED ON TO THE FREE PISTON IS INCORPORATED. IT IS MOUNTED ON A STURDY BASE PLATE PROVIDED WITH LEVELLING SCREWS. THE ENTIRE CIRCUIT IS COVERED BY A SHEET METAL COVER.
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VACUUM GAUGE TESTER, DEAD WEIGHT TYPE - OFFERED BY RAVIKA INSTRUMENTS THE DEAD-WEIGHT VACUUM GAUGE TESTER IS USED FOR CALIBRATION OF VACUUM GAUGES AND OTHER SENSING, TRANSMITTING AND RECORDING VACUUM INSTRUMENTS. DESIGNED TO SERVE AS A QUICK AND CONVENIENT METHOD OF TESTING, IT ELIMINATES THE ERROR CAUSED BY MERCURY MANOMETER. THE TESTER COMPRISES OF A HAND-OPERATED SCREW PUMP TO GENERATE THE VACUUM CONVENIENTLY AND PRECISELY. A FREE PISTON ASSEMBLY OF SPECIAL STEEL, HARDENED, TEMPERED, GROUND AND LAPPED TO ACCURATE SIZE HAVING A FINE FINISH FOR TRUE FLOATING ACTION IS MOUNTED ON A RIGID STAND AND STURDY BASE PLATE WITH LEVELLING SCREWS. A SET OF WEIGHTS MARKED DIRECTLY IN CONVENIENT VALUES OF VACUUM IS ALSO PROVIDED WITH THE TESTER. A VALVE OPENING TO ATMOSPHERE IS ALSO PROVIDED. THE TESTER IS AVAILABLE IN 0.1 TO 0.96 KGF/CM , 50 TO 710 MM HG AND 2 TO 28 IN HG RANGES.
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DEAD-WEIGHT TESTER - RAVIKA INTRODUCES A WIDE RANGE OF DEAD WEIGHT TESTERS USED IN CALI-BRATION OF PRESSURE GAUGES AND OTHER SENSING, TRANSMITTING AND RECORDING PRESSURE INSTRUMENTS. THE TESTERS MAKE USE OF THE RELATIONSHIP BETWEEN PRESSURE ACTING ON THE KNOWN AREA OF A VERTICALLY FREE FLOATING PISTON PRODUCING A FORCE BALANCED BY KNOWN DEAD WEIGHT. THE CALIBRATION IS DONE AGAINST INSTRUMENTS OF ACCURACY 10.025% AND 10.07% CERTIFIED AND CHARACTERIZED BY NATIONAL PHYSICAL LABORATORY, NEW DELHI, USING CROSS FLOAT METHOD. MAIN COMPONENT OF THE TESTER IS SCREW PUMP TO GENERATE PRESSURE IN THE CIRCUIT OF ADEQUATE CAPACITY OPERATED BY A SPOKED HANDLE WHICH PERMITS EASY AND ACCURATE SETTING OF PRESSURE. HIGH PRES-SURE DEAD WEIGHT TESTERS ARE PROVIDED WITH A LEVER OPERATED PRIMING PUMP AS WELL. FREE PISTON ASSEMBLY OF SPECIAL STEEL, HARDENED, TEMPERED, GROUND AND LAPPED TO ACCURATE SIZE AND VERY FINE SURFACE FINISH, PROVIDES TRUE FLOATING ACTION. SET OF WEIGHTS DIRECTLY MARKED IN CONVENIENT VALUES OF PRESSURE AND EASILY STACKED ON THE WEIGHT CARRIER WHICH IS SCREWED ON TO THE FREE PISTON IS INCORPORATED. IT IS MOUNTED ON A STURDY BASE PLATE PROVIDED WITH LEVELLING SCREWS. THE ENTIRE CIRCUIT IS COVERED BY A SHEET METAL COVER.
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PRESSURE GAUGES - - RAVIKA INSTRUMENTS, THE MANUFACTURERS OF DEAD WEIGHT PRESSURE/VACUUM GAUGE TESTERS ARE NOW MANUFACTURING PRESSURE GAUGES. THE SENSING ELEMENT OF THESE GAUGES IS BOURDON TUBE. THE MATERIAL OF MOVEMENT, SHANK AND BOURDON IS STAINLESS STEEL, CASE IS MADE OF CAST ALUMINIUM. THE JOINTS ARE ARGON ARC WELDED. THESE ARE AVAILABLE IN 100 MM, 150 MM AND 250 MM DIAL SIZE WITH ACRYLIC WINDOW AND ZERO ADJUSTMENT POINTERS. ACCURACY IS ±0.25%, 0.5% AND 1% OF FULL SCALE. ALL THE GAUGES ARE CALIBRATED ON DEAD WEIGHT PRESSURE GAUGE TESTERS CERTIFIED AND CHARACTERIZED BY NATIONAL PHYSICAL LABORATORY, NEW DELHI, AND BACKED BY A CALIBRATION CERTIFICATE TRACEABLE TO IT.
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DEAD WEIGHT PRESSURE GAUGE TESTER - RAVIKA INSTRUMENTS PRESENTS A WIDE RANGE OF DEAD WEIGHT TESTERS USED IN CALIBRATION OF PRESSURE GAUGES AND OTHER SENSING, TRANSMITTING AND RECORDING PRESSURE INSTRUMENTS. THE CALIBRATION IS DONE AGAINST INSTRUMENTS OF ACCURACY ±0.025% AND ±0.073% CERTIFIED AND CHARACTERIZED BY NATIONAL PHYSICAL LABORATORY, NEW DELHI, USING CROSS-FLOAT METHOD. MAIN COMPONENT OF THE TESTER IS A SCREW PUMP TO GENERATE PRESSURE IN THE CIRCUIT OF ADEQUATE CAPACITY OPERATED BY A SPOKED HANDLE WHICH PERMITS EASY AND ACCURATE SETTING OF PRESSURE. HIGH-PRESSURE DEAD WEIGHT TESTERS ARE PROVIDED WITH A LEVER OPERATED PRIMING PUMP AS WELL. FREE PISTON ASSEMBLY OF SPECIAL STEEL, HARDENED, TEMPERED, GROUND AND LAPPED TO ACCURATE SIZE AND VERY FINE SURFACE FINISH PROVIDES TRUE FLOATING ACTION. SET OF WEIGHTS DIRECTLY MARKED IN CONVENIENT VALUES OF PRESSURE AND EASILY STACKED ON THE WEIGHT CARRIER, WHICH IS SCREWED ON TO THE FREE PISTON IS INCORPORATED. IT IS MOUNTED ON A STURDY BASE PLATE PROVIDED WITH LEVELLING SCREWS.
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PRESSURE GAUGE - PRESENTED BY RAVIKA INSTRUMENTS, THE LEADING MANUFACTURERS OF DEAD WEIGHT PRESSURE/VACUUM GAUGE TESTERS, THE PRESSURE GAUGES ARE INNOVATIVE INVENTIONS. THE SENSING ELEMENT OF THESE GAUGES IS BOURDON TUBE. THE MATERIAL OF MOVEMENT, SHANK AND BOURDON IS STAINLESS STEEL. CASE IS MADE OF CAST ALUMIMIUM. JOINTS ARE ARGON ARC WELDED. THESE ARE AVAILABLE IN 100, 150 AND 250 MM DIAL SIZE WITH ACRYLIC WINDOW AND ZERO ADJUSTMENT POINTER. ACCURACY IS ±0.25%, 0.5% AND 1% OF FULL SCALE. ALL THE GAUGES ARE CALIBRATED ON DEAD WEIGHT PRESSURE GAUGE TESTERS CERTIFIED AND CHARACTERIZED BY NATIONAL PHYSICAL LABORATORY, NEW DELHI, AND BACKED BY A CALIBRATION CERTIFICATE TRACEABLE TO NPL, NEW DELHI.
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