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Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
Harmonised system ch. 90
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Harmonised system ch. 90

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  • 1. 1
  • 2. 2 SECTION: XVIII CHAPTER: 90 2
  • 3. 3 OBJECTIVE: This Presentation will help to classify various types of goods under Chapter 90 to understand and analyze product specification. CHAPTER 90 IS FURTHER DIVIDED INTO 33 HEADINGS.
  • 4. 4 TOPIC COVERS:
  • 5. 5 HEADING: 9001 Optical , Photographic , Cinematographic or related instruments and apparatus. 9001.10 : Optical fibres bundles & cables 9001.20 : Sheets & plates of polarising material 9001.30 : Contact lenses 9001.40 : Spectacle lenses of glass 9001.50 : Spectacle lenses of other materials 9001.90 : Others
  • 6. 6 HEADING: 9002 Lenses, mirrors and other optical elements, of any material, being parts of or fittings for instruments. Objective Lenses : (It is a very high-powered magnifying glass, with very short focal length) 9002.11 - - For cameras, Projectors or Photographic Enlargers or Reducers. 9002.19 - - Others 9002.20 - Filters 9002.90- Others FILTERSLENSES
  • 7. 7 HEADING: 9003 Frames & mountings for spectacles, goggles or the like, & parts thereof. Frames and mountings : 9003.11 - - Of plastics 9003.19 - - Of other materials 9003.90 - Parts Special spectacles used by oculists for examining (9018)
  • 8. 8 HEADING: 9004 Spectacles, goggles and the like, corrective, protective or other. 9004.10 - Sunglasses 9004.90 - Other 3-Dimensional Goggle
  • 9. 9 HEADING: 9005 Binoculars, monoculars, other optical telescopes, & mountings therefore; other astronomical instruments & mountings therefore, but not including instruments for radio- astronomy. 9005.10   -Binoculars 9005.80   -Other instruments 9005.90   -Parts and accessories Binoculars
  • 10. 10 HEADING: 9006 Photographic (other than cinematographic) cameras; Photographic flashlight apparatus and flashbulbs. 9006.10 – Cameras used for preparing printing plates or cylinders 9006.30 - Cameras specially designed for underwater use 9006.40 - Instant print cameras Cameras Underwater Cameras
  • 11. 11 HEADING: 9006 (CONTINUED) - Other cameras : 9006.51 - - With a through-the-lens Viewfinder, for roll film of a width not exceeding 35 mm 9006.52 - - Other, for roll film of a width less than 35 mm 9006.53 - - Other, for roll film of a width of 35 mm 9006.59 - - Other DIGITAL CAMERAS CLASSIFIED IN: 85.25
  • 12. 12 HEADING: 9006 (CONTINUED) -Photographic flashlight apparatus and flashbulbs : 9006.61 - - Discharge lamp (electronic) flashlight apparatus 9006.69 - - Other - Parts and accessories : 9006.91 - - For cameras 9006.99 - - Other
  • 13. 13 HEADING: 9007 Cinematographic cameras and projectors, whether or not incorporating sound recording or reproducing apparatus. 9007.10 - Cameras 9007.20 - Projectors - Parts and accessories : 9007.91 - - For cameras 9007.92 - - For projectors
  • 14. 14 HEADING: 9008 Image projectors, other than cinematographic; photographic enlargers and reducers. 9008.50 - Projectors, Enlargers and Reducers. 9008.90 - Parts and accessories
  • 15. 15 HEADING: 9009 THIS HEADING RESERVED FOR FUTURE PURPOSE
  • 16. 16 HEADING: 9010 Apparatus and equipment for photographic (including cinematographic) laboratories, not specified or included elsewhere in this Chapter; negatoscopes; projection screens. 9010.10 - Apparatus and equipment for automatically developing photographic film or paper in rolls. 9010.50 - Other apparatus and equipment for photographic laboratories; negatoscopes 9010.60 - Projection screens 9010.90 - Parts and accessories
  • 17. 17 HEADING: 9011 Compound OPTICAL microscopes, including those for photomicrography, cinephotomicrography or micro projection. 9011.10 - Stereoscopic microscopes 9011.20 - Other microscopes, for photomicrography, cinephoto- micrography or micro projection 9011.80 - Other microscopes 9011.90 - Parts and accessories
  • 18. 18 HEADING: 9012 Microscopes OTHER THAN OPTICAL microscopes; diffraction apparatus. 9012.10 - Microscopes other than optical microscopes; diffraction apparatus 9012.90 - Parts and accessories Diffraction Apparatus
  • 19. 19 OPTICAL MICROSCOPE OTHER THAN OPTICAL Optical Microscope Known As "Light Microscope" OTHER THAN OPTICAL known as “Electron Microscope” Lens is made of glass. Lens is electromagnetic. Not affected by magnetic field. Affected by magnetic field. Image is coloured (natural colour of object is seen). Image is black and white. HEADING: 9011 V/S HEADING: 9012
  • 20. 20 HEADING: 9013 Liquid crystal devices not constituting articles provided for more specifically in other headings; lasers, other optical appliances and instruments 9013.10 - Telescopic sights for fitting to arms; periscopes; telescope. 9013.20 - Lasers, other than laser diodes 9013.80 - Other devices, appliances and instruments 9013.90 - Parts and accessories Door-eyes Hand magnifying glasses & magnifiers
  • 21. 21 HEADING: 9014 Direction finding compasses; other navigational instruments and appliances. 9014.10 - Direction finding compasses 9014.20 - Instruments and appliances for aeronautical or space navigation (other than compasses) 9014.80 - Other instruments and appliances 9014.90 - Parts and accessories
  • 22. 22 HEADING: 9015 Surveying (including photogram metrical surveying), hydrographic, oceanographic, hydrological, meteorological or geophysical instruments and appliances 9015.10 – Rangefinders 9015.20 - Theodolites and tachymeters 9015.30 - Levels 9015.40 - Photogram metrical surveying instruments 9015.80 - Other instruments and appliances 9015.90 - Parts and accessories
  • 23. 23 HEADING: 9016 Balances of a sensivity of 5 cg or better, with or without weights. This heading covers balances of all types, including electronic balances, provided their sensitivity is 5 cg. Weights presented with such balances fall in this heading, but weights presented separately, even if made of precious metal, are excluded (heading 84.23). CG (CENTI GRAM) is equal to 0.01 grams
  • 24. 24 EXAMPLE: Google Glass ("GLΛSS") is a wearable computer with a Head- Mounted Display (HMD) Google Glass displays information in a smartphone-like hands-free format, that can interact with the Internet via
  • 25. 25 A plastic hump that sits behind your ear contains a speaker that transmits audio from videos and Google searches directly into your head. A tiny screen is projected on this block of plastic. Tap the black plastic touchpad that forms the temple and the display will turn on, displaying the current time and the words “Ok glass.”
  • 26. 26 When on, however, the tiny display is clearly visible to anyone looking at the wearer, making it less likely that someone will surreptitiously record someone else.  When the Glass display is off, the block of plastic is perfectly clear. Despite the hunk of tech hanging above your eye, you'll eventually find it fading into the background of your peripheral vision. Eventually.
  • 27. 27 HS CODE: 847149
  • 28. 28 HEADING: 9017 Drawing, marking-out or mathematical calculating instruments for measuring length, for use in the hand not specified or included elsewhere in this Chapter. 9017.10 - Drafting tables and machines, whether or not automatic 9017.20 - Other drawing, marking-out or mathematical calculating instruments 9017.30 - Micrometers, calipers and gauges 9017.80 - Other instruments 9017.90 - Parts and accessories PICS
  • 29. 29 HEADING: 9018 Instruments and appliances used in medical, surgical, dental or veterinary sciences, including scintigraphic apparatus, other electro-medical apparatus and sight-testing instruments: 9018.11 - - Electro-cardiographs 9018.12 - - Ultrasonic scanning apparatus 9018.13 - - Magnetic resonance imaging apparatus 9018.14 - - Scintigraphic apparatus 9018.19 - - Other 9018.20 - Ultra-violet or infra-red ray apparatus
  • 30. 30 HEADING: 9018 (CONTINUED) - Syringes, needles, catheters, cannulae and the like : 9018.31 - - Syringes, with or without needles 9018.32 - - Tubular metal needles& needles for sutures 9018.39 - - Other Intravenous Infusion (IV) Syringes with needles Catheters Cannulae
  • 31. 31 - Other instruments and appliances, used in dental sciences : 9018.41 - - Dental drill engines, whether or not combined on a single base with other dental equipment 9018.49 - - Other 9018.50 - Other ophthalmic instruments and appliances 9018.90 - Other instruments and appliances HEADING: 9018 (CONTINUED) Dental equipment
  • 32. 32 CASE STUDY: BLOOD COLLECTION TUBE:HSCODE: 9018.39
  • 33. 33
  • 34. 34 HEADING: 9019 Mechano-therapy appliances; massage apparatus; psychological aptitude-testing apparatus; ozone therapy, oxygen therapy, aerosol therapy, artificial respiration or other therapeutic respiration apparatus. 9019.10 - Mechano-therapy appliances; massage apparatus; psychological aptitude-testing apparatus 9019.20 - Ozone therapy, oxygen therapy, aerosol therapy, artificial respiration or other therapeutic respiration apparatus
  • 35. 35 HEADING: 9020 Other breathing appliances & gas masks, excluding protective masks having neither mechanical parts nor replaceable filters. BREATHING APPLIANCESGAS MASKS
  • 36. 36 HEADING: 9021 Orthopaedic appliances, including crutches, surgical belts and trusses; splints and other fracture appliances; artificial parts of the body; hearing aids and other appliances which are worn or carried, or implanted in the body, to compensate for a defect or disability. 9021.10 - Orthopaedic or fracture appliances - Artificial teeth and dental fittings : 9021.21 - - Artificial teeth 9021.29 - - Other Orthopaedic appliances Artificial teeth
  • 37. 37 HEADING: 9021 CONTINUED) - Other artificial parts of the body : 9021.31 - - Artificial joints 9021.39 - - Other 9021.40 - Hearing aids, excluding parts and accessories 9021.50 - Pacemakers for stimulating heart muscles, excluding parts 9021.90 - Other Hearing aids Pacemakers
  • 38. 38 HEADING: 9022 Apparatus based on the use of X-rays or of alpha, beta or gamma radiations, whether or not for medical, surgical, dental or veterinary uses, including radiography or radio therapy apparatus, X-ray tubes and other X-ray generators, high tension generators, control panels and desks, screens, examination or treatment tables, chairs and the like 9022.12 - - Computed tomography apparatus 9022.13 - - Other, for dental uses 9022.14 - - Other, for medical, surgical or veterinary uses 9022.19 - - For other uses
  • 39. 39 HEADING: 9022 (CONTINUED) Apparatus based on the use of alpha, beta or gamma radiations, whether or not for medical, surgical, dental or veterinary uses, including radiography or radiotherapy apparatus : 9022.21 - - For medical, surgical, dental or veterinary uses 9022.29 - - For other uses 9022.30 - X-ray tubes 9022.90 - Other, including parts
  • 40. 40 HEADING: 9023 Instruments, apparatus and models, designed for demonstrational purposes (for example, in education or exhibitions),unsuitable for other uses. This heading covers a wide range of instruments, apparatus and models designed for demonstrational purposes (e.g., in schools, lecture rooms, exhibitions) and unsuitable for other uses.
  • 41. 41 HEADING: 9024 Machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics). 9024.10 - Machines and appliances for testing metals 9024.80 - Other machines and appliances 9024.90 - Parts and accessories Tensile Testing
  • 42. 42 HEADING: 9025 Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments. Thermometers and pyrometers, not combined with other instruments : 9025.11 - - Liquid-filled, for direct reading 9025.19 - - Other 9025.80 - Other instruments 9025.90 - Parts and accessories
  • 43. 43 HEADING: 9026 Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases (for example, flowmeters, level gauges, manometers, heat meters) 9026.10 - For measuring or checking the flow or level of liquids 9026.20 - For measuring or checking pressure 9026.80 - Other instruments or apparatus 9026.90 - Parts and accessories The instruments and apparatus of this heading may be fitted with recording, signalling or optical scale-reading devices or transmitters with an electrical, pneumatic or hydraulic output.
  • 44. 44 HEADING: 9027 Instruments and apparatus for physical or chemical analysis for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes. 9027.10 - Gas or smoke analysis apparatus 9027.20 - Chromatographs and electrophoresis instruments 9027.30 - Spectrometers, spectrophotometers and spectrographs u
  • 45. 45 HEADING: 9027 (Continued) 9027.50 - Other instruments and apparatus using optical radiations (UV, visible, IR) 9027.80 - Other instruments and apparatus 9027.90 - Microtomes; parts and accessories Example: pH meters Exposure / Light Alcoblow
  • 46. 46 HEADING: 9028 Gas, liquid or electricity supply or production meters, including calibrating meters therefore. 9028.10 - Gas meters 9028.20 - Liquid meters 9028.30 - Electricity meters 9028.90 - Parts and accessories Gas meter Electricity meter Liquid meter
  • 47. 47 HEADING: 9029 Revolution counters, production counters, taximeters, mileometers, pedometers and the like; speed indicators & tachometers, stroboscopes. 9029. 10 - Revolution counters, production counters, taximeters, mileo- meters, pedometers and the like 9029.20 - Speed indicators and tachometers; stroboscopes 9029.90 - Parts and accessories
  • 48. 48 HEADING: 9030 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 90.28; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionising radiations. 9030.10 - Instruments and apparatus for measuring or detecting ionising radiations 9030.20 - Oscilloscopes and oscillographs
  • 49. 49 HEADING: 9030 (CONTINUED) Other instruments and apparatus, for measuring or checking voltage, current, resistance or power : 9030.31 - - Multimeters without a recording device 9030.32 - - Multimeters with a recording device 9030.33 - - Other, without a recording device 9030.39 - - Other, with a recording device 9030.40 - Other instruments and apparatus, specially designed for tele-communications (for example, cross- talk meters, gain measuring instruments, distortion factor meters, psophometers)
  • 50. 50 HEADING: 9030 (CONTINUED) - Other instruments and apparatus : 9030.82 - - For measuring or checking semiconductor wafers or devices 9030.84 - - Other, with a recording device 9030.89 - - Other 9030.90 - Parts and accessories Spectrum analyzer
  • 51. 51 HEADING: 9031 Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile Projectors. 9031.10 - Machines for balancing mechanical parts 9031.20 - Test benches Test BenchesBalancing Checking Machine
  • 52. 52 HEADING: 9031 (CONTINUED) - Other optical instruments and appliances : 9031.41 - - For inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices 9031.49 - - Other 9031.80 - Other instruments, appliances & machines 9031.90 - Parts and accessories Profile ProjectorInspecting Equipment (Semi-conductor) Crack Or Fault Detectors
  • 53. 53 HEADING: 9032 Automatic regulating or controlling instruments and apparatus. 9032.10 – Thermostats 9032.20 - Manostats - Other instruments and apparatus : 9032.81 - - Hydraulic or pneumatic (automatic regulating or controlling instruments 9032.89 - - Other 9032.90 - Parts and accessories
  • 54. 54 HEADING: 9033 Parts and accessories (not specified or included elsewhere in this Chapter) for machines, appliances, instruments or apparatus of Chapter 90. DIALS Those identifiable as suitable for use solely or principally with a particular kind of machine, appliance, instrument or apparatus, or with a number of machines, appliances, instruments or
  • 55. 55
  • 56. 56 NEGATOSCOPE The Negatoscope is used to view medical images by high-tech equipment. This device, designed to read X-rays, is classified
  • 57. 57 Polarized Material: PROTECT US FROM SUN-RAYS, WATER, SNOW ETC. MAKE CLEAR VI SI ON TOWARDS THAT & AVOI D POTENTI AL HAZARDS.
  • 58. 58 ENLARGE RS REDUCE RS IMAGE PROJECT OR
  • 59. 59 Part s of f rames include spect acle side- pieces and side-piece cores, hinges or j oint s, eye-rims, bridges, nose-pieces et c.
  • 60. 60 Telescopes Monoculars
  • 61. 61 Vert ical process camera Horizont al process cameras Cameras of a kind used for preparing printing plates or cylinders A process camer a is a specialized f or m of camera used f or mass r epr oduct ion of graphic mat er ials. The or iginal document was phot ogr aphed and t he negat ives produced wer e used t o produce pr int ing plat es - usually via some kind of pr ocess where t he negat ive was put on t op of t he pr int ing plat e
  • 62. 62 Diffe re nce o f 8 5447 0 & 9 0 0 1 1 0 Fibre O ptic Cable : SHEATHED MEANS PROTECTIVE COVERING OR INSULATION 90011000 in bundles, not 85447000: I ndividually 854470 - made up of individually sheathed fibres , The sheaths are usually of different colours to permit identification of the fibres at both ends of the cable. 900110 - consist of a sheath containing one or more optical fibre bundles , the fibres of which are not individually sheathedSheat hed means prot ect i ve coveri ng or i ns ul at i on
  • 63. 63 Electro- cardiographs Ultrasonic scanning apparatus Magneti c Resona nce Imaging
  • 64. 64 X-ray computed tomography, also computed tomography (CT scan) or computed axial tomography (CAT scan), is a medical imaging procedure that utilizes computer-processed X-rays to produce tomographic images or 'slices' of specific areas of the body. Computed tomography apparatus
  • 65. 65 Thermometers Pyrometers Barometers Hygrometers
  • 66. 66 WHAT IS GAUGES ? An instrument or device for measuring the magnitude, amount, or contents of something, typically with a visual display of such information.
  • 67. 67 GaugesDrafting tables Tape Calipers Micrometers Measuring Rods
  • 68. 68
  • 69. 69 Flow meter for liquids and gases Pressure Transmitter Level Gauge Pressure Gauge Heat Meter
  • 70. 70 A Microtome is a tool used to cut extremely thin slices of material. Microtomy is a method for the preparation of thin sections for materials HEADING: 9027 (Continued)
  • 71. 71 Porosity or void fraction is a measure of the void (i.e., "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0–1, or as a percentage between 0–100%. The term is used in multiple fields including pharmaceutics, ceramics, metallurgy, materials, manufacturing, earth sciences, soil mechanics and engineering. Surface tension is a contractive tendency of the surface of a liquid that allows it to resist an external force. HEADING: 9027 (Continued)
  • 72. 72 HEADING: 9027 (Continued) EXPLANATION: pH meters and rH (redoxpotential) meters. pH meters are used to measure the factor expressing the acidity or alkalinity of a solution or mixture (pure water being the neutral standard). rH meters are used to measure the oxidising or reducing power of a solution
  • 73. 73 Gas / Smoke Detector HEADING: 9027 (Continued)
  • 74. 74 A spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials HEADING: 9027 (Continued)
  • 75. 75 Chromatography may be preparative or analytical. The purpose of preparative chromatography is to separate the components of a mixture for more advanced use (and is thus a form of purification). Analytical chromatography is done normally with smaller amounts of HEADING: 9027 (Continued)
  • 76. 76 Visco Meter HEADING: 9027 (Continued) Viscosity is a measure of a fluid's resistance to flow. It describes the internal friction of a moving fluid. A fluid with large viscosity resists motion because its molecular makeup gives it a lot of internal friction. A fluid with low viscosity flows easily because its molecular makeup results in very little friction when it
  • 77. 77 Revolution counters count the number of rotations in a variety of equipment. Production Counters provide a cost effective means to totalize inputs from 1 or more sources Taximeteris a mechanical or electronic device installed in taxis that calculates passenger fares based on a combination of distance travelled and waiting time
  • 78. 78 Mileometera meter that shows mileage traversed. Pedometeris a device, usually portable and electronic or electromechanical, that counts each step a person takes by detecting the motion of the person's hips
  • 79. 79 Speed indicators are used ... to indicate the speed Tachometer(revolution- counter, Tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machineStroboscope, also known as a strobe, is an instrument used to make a cyclically moving object appear to be slow-moving, or stationary. The principle is used for the study of rotating, reciprocating, oscillating or
  • 80. 80 Ionizing (or ionizing) radiation is radiation composed of particles that individually carry enough kinetic energy to liberate an electron from an atom or molecule, ionizing it. Ionizing radiation is generated through nuclear reactions, either artificial or natural, by very high temperature (e.g. plasma discharge or the corona of the Sun), via production of high energy particles in HEADING: 9030 (Continued)
  • 81. 81 Oscilloscopes HEADING: 9030 (Continued) An oscilloscope, previously called an oscillograph, and informally known as a scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of constantly varying signal voltages
  • 82. 82 A multimeter or a multitester, also known as a VOM (Volt-Ohm meter), is an electronic measuring instrument that combines several measurement functions in one unit. HEADING: 9030 (Continued) Electrical Tester
  • 83. 83 Ratio Meter Phase Meter In AC electrical power systems, a synchroscope is a device that indicates the degree to which two systems (generators or power networks) areSynchroscopes
  • 84. 84 Psophometer is an instrument that provides a visual indication of the audible effects of disturbing voltages of various frequencies. HEADING: 9030 (CONTINUED)
  • 85. 85 oxygen therapy Massage apparatus
  • 86. 86 Stereoscopic microscopes Micro Photography MICRO PROJECTION
  • 87. 87 Thermostats Manostats Automatic Voltage Stabilizers Pump Controller
  • 88. 88 Analytical balances is designed to measure small mass in the sub-milligram range. The measuring pan of an analytical balance is inside a transparent enclosure with doors so that dust does not collect. Assay balances A sensitive balance used in the assaying of gold, silver, and other precious metals. Continued
  • 89. 89 Chemists’ Balances Balancing the chemical equation, to get correct amount of products and also find out the amount or mass of them without measuring too. Yarn Balances The balance is fitted with two pans marked left and right with respective hangers. The yarn is to be kept on the right pan and the weights provided on the left pan. Move the rider weight on the beam till the pointer is set on zero. The figure received on the scale corresponding to the rider weight is the count of yarn.
  • 90. 90 Rangefinder is a device that measures distance from the observer to a target, for the purposes of surveying, navigation, determining focus in photography. Levels: Professional optical levels are built for the construction site with tripod
  • 91. 91 Tachymeter scale is a scale sometimes inscribed around the rim of an analog watch. It can be used to compute a speed based on travel time or measure distance based on speed. Theodolite is a precision instrument for measuring angles in the horizontal & vertical planes. Theodolites have been adapted for specialized purposes in fields like rocket launch technology.
  • 92. 92 The drawing surface enclosed in the plotting frame holds circular plastic film charts. In the photo, the bridge, carries interchangable scale rule, index mark, magnifying loupe and pricker for registering the position of the point surveyed. Photogrammetrical surveying instruments These are mainly used for plotting topographic (A detailed description or representation on a map of such features). The maps, etc., are plotted from photographs or digital images taken from two different viewpoints a known distance apart
  • 93. 93 Wind direction indicators Sunshine recorder Nephoscopes indicating the speed and direction of movement of clouds. Visibility meters measuring meteorological visibility or the capability of air to transmit light
  • 94. 94 Direction finding compasses: A compass is a navigational instrument that shows directions Inclinometer is an instrument for measuring angles of slope, depression of an object with respect to gravity
  • 95. 95 Telescopic sights for fitting to arms Periscopes Light Amplification by Stimulated Emission of Radiation

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