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Inverted Metallurgical Microscope
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Digital Microscope Cameras
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ABBOMEDTM We are renowned as one of the preeminent Travelling Microscopes Manufacturer & Exporters from India. The Travel Lab Microscopes offered by us includes a heavy cast iron base fitted with three leveling screws with the top machined over which slides a gun metal carriage. A microscope tube is attached with a 10x Ramsaden Eye Piece with cross line graticule & an Achromatic 2"or 3" focal length objective of high quality. The Motorized Traveling Microscopes travel 17 cms horizontally and 14 cms vertically and guarantees accurate vernier reading 0.02 or 0.01 mm. with swing out magnifier for reading vernier.
Laboratory Spectrometer offered by us are extensively demanded in the market due to its robust structure that includes telescope & collimator that have fine rack & pinion motion and are mounted on a stable heavy C. I. base with three leveling screws. Customers are eased with the availability of the Student Spectrometer in Brass and Stainless Steel Scale in both the sizes of 15.0 cm (6") and 17.5 cm (7") of protected circle. Moreover, we are listed at the apex in the list of the preeminent Scientific Spectrometer Suppliers in India.
Newton's Ring Microscope
Newton's Ring Microscope
ABBOMEDTM We are well-established as one of the trusted Newton's Ring Standard Microscope Manufacturers & Exporters in India. The Newton's Ring Microscope offered by us is extensively demanded in the market as no alternative is available in terms id quality and performance. Moreover, some of the key features of the Newton's Ring Apparatus, offered by us, are as mentioned below :
•Compact instrument with full arrangements for conducting Newton's Ring experiment.
•A standard microscope unit with 30x magnification and rotatable cross line eye piece.
•Focusing of microscope is through Rack and Pinion.
•Longitudinal movement of 26 mm is done by rotating the drum provided which reads up to 0.001cm.
•Complete with optical glass and convex lens inside a metal case.•Packed in a sturdy wooden box along with all standard accessories.
Power Rheostats are made with a variety of resistance & current carrying capacity so as to satisfy every need. They are wound with heavily oxidized eureka resistance wire upon a porcelain tube dia 44 mm aprox. The tube is carrying upon Bakelite rider and the heavy duty sliding contact is of the phosphor bronze with brass rod. 4 mm socket terminals are fitted, allowing for rheostat or potentiometer connection. Total resistance and maximum current capacity is marked on the slider. Total Permanent current loading should not exceed 75% of the marked values. The actual resistance of Wire Wound Rheostats shall be +20% -5% of the rated resistance as per our resistance chart. (as per ISI specification no. IS : 9051 S. No. 10.3), we are recognized as one of the major Electronic Rheostats Manufacturers and Exporters from India.
Resistance Box (Plug Type) is of a superior quality Heavy Brass Metal Blocks Size 7/16" are bound to Bakelite Plate by means of nuts and screws securing rigid fixation and eliminating any chance of contact error creping due to loosening of plugs and lugs which are cut to fine taper and are interchangeable. Plug heads are machine moulded, of heavy insulated Bakelite in beautiful shapes. The boxes are made of Teak-wood and nicely polished. We are renowned as one of the staggering High Power Resistance Box Suppliers in India.
Great care is taken in preparing the wire wound resistance. Selected double Covered Eureka Wire is wound in Bakelite spools. Sufficient ageing and Heat Treatment is processed through to avoid any moisture effects. Solder Joints are sealed after calibration. The Decade Resistance Box is calibrated on imported Testing Bridge Accuracy ± 0.1%.
Battery Eliminator offered by us is ideally designed to be safe & reliable source of low voltage D.C., for use in class rooms. Both, Universal DC Battery Eliminator and Universal AC Battery Eliminator are available in the market. Allow teachers to conduct experiments requiring a variety of direct voltages while avoiding the decreased characteristics of dry cell. Comprising a heavy duty transformer wound with copper wire with high lamination to avoid losses, selector switch & bridge rectifiers (consists of full wave silicon diode bridge rectifier) with jewel light and safety fuse. We are also reputed amongst the dependable Drill Battery Eliminator Manufacturers, based in India.
Output 2-12 VD.C in steps of 2, 4, 6, 8, 10 & 12 Volts
Capacitance Boxes offered by are made in single or more dials having condensers joined in parallels. Each dial of Portable Capacitance Boxes contains ten segments, high grade paper condenser housed in a teak wood case with engraved Bakelite top or in Metal case with Screen Printed Top. Moreover, we are listed amidst the preeminent Decade Capacitance Boxes Exporters and Suppliers in India.
•Single Dial Condenser Box
•Two Dials Condenser Box
•Three Dials Condenser Box
•Four Dials Condenser Box
The Function Generator is capable of Providing SINE, SQUARE, TRIANGLE. Low Distortion Function Generator has linear Frequency Scale very low Distortion and constant signal amplitude with the output Signal Symmetry about Zero. The DC coupled output provides square wave without any appreciable Sag at low frequency. It has maximum 20 VP/P amplitude. The output is protected against short circuit. It has a offset control provided to shift the base line of signal by ± 10 volts. The continuously variable DC offset control further enhances the versatility of the instrument. The equipment is used in Audio Electronics and other Laboratory & Research Work. Moreover, we are looked upon as one of the major Portable Function Generator Manufacturers & Exporters in India.
Physics Instruments Mechanics
- Set of Masses, Brass
- Slotted Masses Iron
- Mass Hangers Iron
- Masses, Iron, Metric
- Masses Hooked Cylindrical
- Force Table
- Parallelogram of Forces Apparatus
- Single Plastic
- Single Metal
- Double Parallel Plastic
- Double Parallel Metal
- Triple Parallel Plastic
- Triple Parallel Metal
- Double in Line Plastic
- Double in Line Metal
- Triple in Line Plastic
- Triple in Line Metal
- Differential, Aluminium
- All System Cylindrical
- Rod Type
- Double Cone on Ramp
- Projectile Apparatus
- Collision in Two Dimensional Kit
- Tubular Metric
- Tubular Newton
- Metric/Newton (Combined)
- Dial Type
- Pulley All Purpose
- Compression Balance
- Rod Type
- Hydrostatic Balance
- Inertia Balance (Inclined Plain)
- Fletcher's Trolley
- Compound Pendulum, Reversible
- Compound Pendulum , Kater's Reversible
- Universal Force Table
- Watt's Governor
- Whirling Table
- Collision In Two Dimensions
- Lever Kit
- Hard Wood Lever & S- Hooks
- Simple Wheel And Axle
- Compound Wheel And Axle
- Metal Fly Wheel
- Linear Air Track
- Board Mounting
- Aluminium, Plain Bearing
- Screw Jack
- Train of Gear Wheels
- Free Fall Tube ( Guinea And Feather )
- Pendulum Bobs , Lead , Brass
- Scale Pans
- Dynamics Trolleys
- Ticker Tape Timer D.C.
- Stroboscope , Manual & Digital
- Stroboscope : Digital
- Stroboscope , Hand
- Pulley Block (Midget Hoist)
- Aluminium, Single Clamp type
- Pulley All Purpose
- ' G ' By Free Fall Apparatus
- Centi-Second Timer
- Foot Pump
- Photo Timing Gate
- Centi-second Timer , Digital
- Ticker Tape Timer A.C.
- Falling Bodies Apparatus
- Air Blower
- Linear Air Track Accessories Kit
- Cubic Decimetre
- Assorted Material
- Materials Kit (Solids)
- Young's Modulus Apparatus
- Young's Modulus Apparatus, Searle's Pattern
- Elastic Material Investigation Kit
- Displacement Vessel, Tin/Brass
- Displacement Vessel, Glass
- Displacement Vessel, Large
- Clear Plastic Container
- Steel Spheres
- Steel Springs
- Soft Latex Foam Blocks 8 Pcs
- Pascal's Apparatus
- Spouting Jar
- Communicating Vessel / Liquid Level Apparatus / Equilibrium Apparatus
- Weighted Glass Bulb
- Density Bottles
- Bernoulli Tubes
- Flow Meter
- Capillarity Apparatus
- Beaums Hydrometer
- Crushing Cylinder
- Magdeburg Hemispheres
- Air Pump
- Boyle's Law Apparatus
- Boyle's Law Apparatus
- Foot Pump
- Manometer , Vaccum Gauge
- Hooke's Law Apparatus
- Hare's Apparatus
- Kinetic Theory Model
- Smoke Cell , Whitley Bay
Physics Lab Kit
Physics Lab Kit
Our physics lab kits are a combination of modern technology appropriate for higher science educational purposes. These kits are made using quality tested electronic components in adherence with international quality standards. The physics lab kits have been widely appreciated for precise measurements, reliability and durability.
Our range of physics lab kits includes:
· Kerr Effect Experiment Kit
· Newton's Ring Experiment Kit
· Fresnel Bi prism Experiment Kit
· Spectroscopy Experiment Kit
· Michelson Interferometer
· Electronic Plug-In Kit
· Advanced Polarimeter Experiment Kit
· Milikan Oil Drop Experiment
· Measurement of Basic constants length, weight ,time
· Modulus of Elasticity Hooks Law
· Mathematical Pendulum
· Moments of Inertia of different Bodies/Strainer’s Theorem
· Measuring the Velocity of Light
· Law of Lenses and optical Instruments
· Newton’s Ring
· Michelson Interferometer
· Photometric Law of Distance
· Lamberts Law
· Thermal Expansion in Solid and Liquids Heat Capacity of Gases
· Joule Thomson effect of Metals
· Heat capacity of Metals
· Solar Ray Collector
· Electricity measurement of Low Resistance
· Wheatstone Bridge
· Internal Resistance and Matching in Voltage Source
· Faraday Law
· Electrical Field and Potentials in the plate capacitor
· Charging Curve of a Capacitor
· Dielectric constant of different Material
· Earth’s Magnetic Field
· Magnetic Field of Signal Coils /Biot- Savart Law
· Moment of inertia and angular acceleration
· Mechanical conservation of energy/ Maxwell wheel
· Reversible Pendulum
· Torsional vibrations and torsion modulus
· Our assortment of physics apparatus
· Expansion Apparatus Linear
· Compound Strip
· Bursting Bottle
· Copper Calorimeter
· Schuster And Lee's
· Joule's Calorimeter
· Calorimeter Blocks
· Immersion Heater
· Aluminum Container
· Steam Generator
· Jug Kettle
· Electric Kettle
· Steam Heater ( Boiler )
· Constant Level Tank
· Solar Educational Kit
· Malvern Energy Conversion Kit
· Steam Engine Unit
· Steam Engine Locomotive Design
· Engine Models
· Wankel Rotary Engine
|· Differential Mechanism
· Steering Mechanism
· Single Drive Plate Clutch Mechanism
· Gear Box
· Water Turbine With Dynamo
· Electrostatic Materials
· Gold Leaf Electroscope
· Electrostatics Kit\
· Van-Degraaff Generators
· Proff Plane
· Biot's Conductor
· Pair Of Capacitor Plates
· Aepinus Condenser\
· Wimshurst's Machine
· Pith Ball Pendulum Tate's
· Faraday's Ice Pails
· Electric Whirl
Analog Lab Trainer (bread Board Model)
1. Advanced lab trainer for students to perform more than 50 experiments of analog electronics
2. Compatible with optional ready to use experimental modules.
3. Glass Epoxy PCB used as front panel of 300mmx220mm & mounted on light weight shock proof plastic cabinet.
4. On board power supplies, Function generator, and other input signals
5. Bread board provided
6. Supplied with connecting wires
Apparatus To Show On Conductor In A Magnetic Field
Comprising a strong U-shaped magnet and a pair of brass rails with 4 mm socket terminals. A brass axle with plastic discs is free to roll along the rails and completes the electrical contact between them. When the axle is placed on the rails between the poles of the magnets, and power supply unit is connected, the axle is repelled and rolls along the rails away from the center of magnetic field. Dimensions 175x60x58 mm.
Archimedes Principle Kit
Product description: To explain and calculate Archimedes principle. A complete self contained kit for exploring the concepts related to Archimedes principle, both qualitatively and quantitatively. Consists of a metal regular shaped solid, irregular shaped solid, beaker to collect displacement liquid, beaker. Newton meter, displacement vessel.
Continuously variable voltage autotransformer, protected type. Comprises a tordially wound transformer with a continuously variable output voltage 0-260 volts A.C. steplessly under full load. Input 220-240 Volts A.C. 50 Hz. In stout metal case mounted on a metal base with two output terminals. Single phase with mains cable.
Anemometer, Cup Counter As Per Isi
The instrument has a cup wheel consisting of three conical cups in a horizontal plane. The cup wheel spindle is of stainless steel and connected worm gearing to a revolution counter mounted in a water proof housing. By observing the counter reading at the beginning and end of any period of interest the average wind speed during the interval can be calculated. The counter observing window is sloped to permit easy reading when mounted on the mast.
Baby Weighing Balance
ABBOMEDTM A single beam scale, robust steel body with epoxy powder coated parts. The beam carries a sliding weight to indicate the weight from 0 to 5kg in divisions of 20 grams each. One hanger and one slotted mass is provided to increase the capacity of the balance. When only the hanger is suspended from the end of the beam the capacity increases to 10 kg and the reading starts from 5 kg onwards on the scale up to 10 kg. On adding the slotted mass on to the hanger the capacity increases to 15 kg and the reading starts from 10 kg onwards on the scale up to 15 kg. The tray is detachable and can be easily replaced in position by sliding on to fixed plate. Second scale is provided which reads 0 to 1 kg in division of 10 gms. Making the total capacity of balance 16 kg in to 10 gms.
Polished brass, in hardwood case with hinged lid. Divided compartment with dust cover holds nickel-silver and aluminum fractions. With chrome plated brass forceps.
A Capacity 1 mg to 100gm.
B Capacity 1 mg to 200gm.
C Capacity 1 mg to 500gm.
D Capacity 1 mg to 1000gm.
E Capacity 1 mg to 2000gm.
ABBOMEDTM For demonstrating the conversion of electric energy into mechanical energy. Star-shaped copper disc rotatable vertically on pair of adjustable centers and dipping into mercury trough between the vertical limbs of a small horseshoe magnet on a wood base. Disc adjustable vertically on metal pillar which is connected to one of two terminals mounted on base. The other terminal is connected to the mercury trough. The apparatus will operates on 4 volts at which voltage it takes 1.8 amps, with out battery.
Boyle's Law Simple Form
ABBOMEDTM This rugged, sensitive electroscope can accept various accessories to change its capacitance. A sensitive aluminium vane is balanced in a vertical position on a metal support which is insulated from its base. The vane is easily observed and projected on a chalkboard (Light Source, not included) on which an arbitrary scale has been marked. Height without attachments is about 9". Four attachment, each equipped with a banana plug which fits the vane system top, are included : a 1" conducting sphere; a 3" conducting sphere; a proof plane with detachable insulating handle; and an aluminium cup (Faraday ice pail). Attachments can be charged using either our Electrophorus or our Power Supply (not included). With instructions.
Bucket & Cylinder
ABBOMEDTM orkutFor demonstrating Archimedes principle, this is a simple form in brass, suitable for class demonstration or individual use. The bucket has suspension loop at the top and hook at the bottom. The cylinder has a suspension hook at one end. Size 6 cm long, overall length when extended 16 cm.
A Bucket and Cylinder
B Bucket and Cylinder Large
ABBOMEDTM In graduated tubular aluminium, with zero adjustment, provided with top suspension loop and hook, with dual scale in Metric and Newton range.
Bar Breaking Apparatus
To show the forces which can be exerted during thermal expansion or contraction. Comprising a heavy cast iron frame 340x120x100mm with slotted end pillars to carry a stout iron bar. The bar is threaded at one end for a large tensioning nut and has holes at the other end to accommodate the cast iron breaking bars. Supplied complete with ten breaking bars.
Barometer Aneroid Demonstration
ABBOMEDTM Wi t h 1 0 0mm d i a l graduated 28 to 31 inch of mercury and 960 to 1060 millibars. With plated bezel, cover glass and index plastic base approx. 16cm diameter. Enclosed in a transparent synthetic case for demonstration purposes. Air tight sealed all round, a pressure bulb is provided to force the movements for educative demonstration
ABBOMEDTM To demonstrate the Bernoulli effect produced by water flow. Comprises a Bernoulli tube, with central constriction, a constant bore gradient tube, 6 length glass tubing, 2 swan-necked outlet tubes and 8 pre-cut lengths of rubber connecting tubing. The 2 flow tubes, each 500x13mm, length 25mmx150mm spacing, extended to form 500mm manometer with the lengths of glass tubing.
Boyle's Law Apparatus, Demonstration Type
ABBOMEDTM Wide bore glass tube closed at top is mounted on a scale 0 to 600 mm. with zero corresponding to the inside of the top end. Air is trapped by coloured oil in a metal pressure chamber fitted with a Bourdon Gauge and a riffled inlet tube with stopcock. With a plastic safety screen over the tube.
For determination of the specific heat capacity of as liquid by the electrical method. Comprises a nickle plated copper calorimeter 75x50 mm. lagged and enclosed within an outer vessel 100x75 mm. A close fitting ebonite lid is provided with a wire stirrer, and a pair of 4 mm. socket terminals connected to a constantan wire heating coil. The resistance of the coil is approximately 6 ohms and should be used with a current of 0.5A with a maximum of 1A. supplied WITHOUT thermometer.
Thermometer 50x0.1°C, extra for above
Collision In Two Dimensions
For demonstrating the principle of conservation of momentum and showing that momentum is a vector quantity having direction as well as magnitude. The apparatus comprises the following items.
1. A curved wooden runway and its highest point, having a groove down which a steel ball may be rolled.
2. An object sphere support. This is an adjustable device which attaches to the mounting plate of the runway and will support a ball either exactly opposite the end of the runway for head-on collision or slightly offset for oblique impacts.
3. A plumb-bob for making the plumb line.
4. Two spheres (steel ball bearing 19 mm. diameter.
|Product description: |
To show the differential expansion of metals in a bimetallic strip. Comprising a length of bimetal strip 150x15mm mounted in a wooden handle. The strip is only 1mm thick so that very little heat is required to produce considerable bending. Length overall 270mm approx
ABBOMEDTM To show the differential expansion of metals in a bimetallic strip. Comprising a length of bimetal strip 150x15mm mounted in a wooden handle. The strip is only 1mm thick so that very little heat is required to produce considerable bending. Length overall 270mm approx.
The apparatus consists of a fabricated transparent acrylic stand supporting three cells in the form of 50 ml glass beakers.
Electrodes are suspended into the cells, each having a low voltage lamp in series to indicate the current flowing. The three cells and lamps, as a group are connected in parallel and provided with a pair of 4 mm sockets for connection to the external supply. The lamps provided will allow operation on a supply of up to 12V D.C. Dimensions are 215mmx155mmx115mm widthxdepthxheight
ABBOMEDTM For determination of the specific heat capacity of a liquid by the electrical method. The apparatus comprises a nickle-plated copper calorimeter 75x50 mm, fitted with a cork and a heating coil of thin Constantan wire. The resistance of the coil is 6 ohms and the recommended working current is 0.5 A with a maximum of 1A. Electrical connection is by means of a pair of barrel connectors.
Supplied without thermometer.
Charle's Law Apparatus
Comprising glass U-shape 15 mm dia with one plain limb 220 mm long one graduated limb overall length 120 mm. Limb graduated 25 to 35 x 0 2ml terminating in a bulb 37 mm dia.with third limb 185 x 6mm (length x bore), jointed at right angles to the plain of the other two. Short length of the rubber tubing with two pinch clips of on short length of glass tubing mounted In end of wide-bo Plain limb with rubber bung. With tall farm beaker 1000 ml capacity and stirrer. All glass parts made from coming glass.
Dc Regulated Power Supply (dual Output)
Decade Resistance Box
This decade resistance substitution box provides 4 decade ranges from 0 to 11110W with a resolution of 1W. Each decade is selected by a rotary switch. Tapping points are provided across each range to allow the unit to be used as an accurate potential divider. All resistance values are + 2% with a rating of 0.25 W maximum per range.
Demonstration Electric Motor
|Product description: |
A model of the simplest form of D.C. electric motor, having 2-pole armature wound with enamelled copper wire, and a permanent magnetic field provided by a removable bar magnet. A disc-type commutator is incorporated and external connection to the phosphorbronze bushes is by means of a pair of 4 mm. sockets. The motor will operates on 6-8 Volts D.C.
Demonstration Induction Coil
With primary of heavy gauge enamelled copper wire, approximate resistance 0.5 ohms wound on former 110x30 mm. length x diameter. Secondary coil of fine enamelled copper wire, approximately resistance 100 ohms on former 120 x 82 mm. length x diameter. Both coils fitted with 4 mm. sockets. Iron core 160x15 mm. length x diameter.
Demonstration Meter Inter Scale
ABBOMEDTM Housed in a ABS plastic case 300x150x300 mm with glass front and rear. Moving coil type with accuracy of + 2.5%. Basic sensitivity of meter is 5 mA, 100mV f.s.d. The meter can be used to demonstrate the working principle of AC or DC ammeters or voltmeters with the interchangeable plastic scales. DIFFERENT DIALS ARE AVAILABLE.
ABBOMEDTM A large-scale transformer, ideal for classroom. The coils are fitted with intermediary outputs providing many transformation ratios. Moreover, one of them has a mains cable so that you do not required an external power supply unit.
Consisting of :
A I magnetic circuit made up of highly permeable U-shaped metal sheeting, which can be closed via two clamps with tightening screws.
B Section 40x40mm. length 150mm-Height 170mm.
C One coil of 6000turns, 350 ohms, 1 Max: 0.2A. Intermediary 2000 turns output used.
D One coil of 600 turns, I max. 2.5A. Mainly to create the transformer primary. Provided with power supply cable.
E One coil of 1200 turns, 12.5 ohms, I max: 1.25A fitted with intermediary 400 and 800 turns outputs.
F One coil of 72 turns I max: 12A, has intermediary 6,30 54 and 66 turns outputs. Any other coil of different turns available on request.
Digital Multimeter Model
|D.C. Voltage :||200mV-1000V +0.5% +2 digits|
|A.C. Voltage :||200V-750V +1.2% +10 digits|
|D.C. Current :||200mA-10A +1% + digits|
|Resistance :||200Ohms-2000kOhms+0.8%+2 digits|
|Max. Display :||1999|
|Display Size :||16x48mm., 3½digits LCD|
|Transistor Test :||Yes Standard|
|Accessories :||Battery, Testing Probes with Instruction Manual, in case, CE Marked|
ABBOMEDTM The case is made of aluminium, strongly mangetised cobalt steel needle fitted with imported hard axle rolls on knife edges agates and can be clamped when desired by a V clamp, a sensitive spirit level is provided. The tripod stand is provided with three levelling screws.
ABBOMEDTMThis model uses the same basic assembly as the motor, but is mounted on a baseplate 230 x 90 mm. approx. which also carries a hand-drive pulley 120mm. diameter coupled to the smaller dynamo pulley by a rubber belt to give a step-up ration. Electrical output is via a pair of 4mm. sockets. The model may also be used as a motor on a 6-8 V D.C. supply.
Demonstration Gear System Model
ABBOMEDTM A series of models to demonstrate different gearing systems. With transparent slideplates, the gears may easily be seen and where necessary there is an index on the primary and secondary shafts to show the change in the direction of rotation and the relative speed of rotation. A simple three-speed and reverse-gear system using spur gears. Reverse gear is obtained by interposing a small lay-shaft mounted pinion between the two main shafts. Gear selection is by means of a short ball-ended lever.
ABBOMEDTM With one mains coil 230 to 240 V, 50 Hz, 2400 turns and two interchangeable secondary coils, 65 and 130 turns giving outputs of 6 and 12 V approximately at 2 A maximum.
The laminated iron core is in two sections, 'T' and 'U' with butt joints, the stem of the 'T' having a cross section 24 x 24 mm.
A simple channel and wing-nut clamping arrangement facilitates quick assembly and interchange of coils. The coils are wound on insulating bobbin, with 2-pin connection for mains and 4 mm sockets for the secondary outputs. The number of turns, voltage and amperage is marked on each coil.
The transformer is supplied complete with 2 m of flex and a 2-pin mains connector. Overall dimensions 150x100x130 mm.
Digital Electronic Circuit Trainer (bread Board Model)
1. Basic trainer for students to perform more than 15 basic experiment of operational amplifier.
2. Glass Epoxy PCB used as front panel of 300mmx220 & mounted on light weight shock proof plastic cabinet.
3. On board power supplies, function generator & Bread Board mounted.
4. Supplied with set of components & connecting wire.
Direct Vision Spectroscope
ADV-1 A complete and light weight direct vision spectroscope without wavelength scale, for observing visible radiations from 400 to 750 mm.
ADV-2 A compact visible spectroscope with wavelength scale which allows the direct reading of spectral length and employs a prism for dispersion. It is also useful for flame test of basic radicals (sodium, strontium, potassium, copper etc.) There is a single eyepiece and independent focussing tube for the graticule, which carries an index at 590mm. with "D", marked right below the scale, (corresponding to the wave length of sodium light) can be calibrated to a known light source by adjustment of knurled screw. The amount of light admitted to the spectroscope can be regulated by a variable slit, adjusted by a knurled ring round the rating tube.
Discrete Component Trainer (with Regulated Power Supply)
Lucidly illustrated User's manual unravels analog electronics concepts through brief theoretical reviews followed by experiments, self test questions and exercises. Modularly designed patch panel contains all commonly used discrete components.
It consists of following
a) Power Supply of +5V, +12V, -12V each of 250 mA (nominal)
b) Silicon, Germanium diodes, Zeners
c) PNP & NPN Transistors, FET
d) One speaker
f) 12 different values of carbon film resistances & they are of ¼w, ½w & 1 Watt.
g) 12 assorted values of capacitors from 100 PF to 100 mF.
h) Integrated Circuits (IC's), Thermistor
i) LED, LDR, Photo diode, solar cell
j) Logic switches & LED indicators etc.
For demonstrating the effect of electric discharge from points. The apparatus has a 60mm diameter, Three-pointed star wheel with all the points curved in one direction. The wheel rotates freely on a pivot point mounted on a short stand and the stand is provided with a 4mm connection socket on its round moulded base.
Electroscope, Pith Ball
We have mounted an insulated stand on a solid round base. Over the hook at the stands end you dangle a silk thread with a light pith ball attached to each end. Pith balls react sensitively to static charges like those from a charged friction rod. Comes with 3 strings and six 8mm. pith balls.
Expansion Of Liquids Apparatus
For demonstrating the different thermal expansions of various liquids.Comprising five bulb tubes mounted in a frame and supported in a water trough. The frame has a special sliding arrangement with clips hold glass bulbs with tubes. The bulbs can be easily removed and fixed and have a funnel formation on top for easy filling.
Electronic Scale Digital
- Strain Gauge Precision Technology
- Capacity x Readability : 5000g x 1g, 3000g x 1g., 2000g x 1g., 1000g x 0.5g, 500g x 0.1g, 200g x 0.1g
- Display Modes : g and oz (optional, upto four units)
- Easy-View LCD Display
- Low Battery Indication/Over-Load Indication
- Auto / Manual Shut - Off
- Powered By 4 x AAA Battery or DC 6V / 220V Adaptor
Comprising two cast-iron uprights, height 18 cm. linked by two nickel plated rods supporting on expansion bar, length 38 cm. fixed to one upright and resting on a friction pointer placed at the other. With scale reading 0 to 90 deg. With one each aluminium, brass and iron expansion bars.
Falling Bodies Apparatus
L-Section launcher with holes for locating two 19mm. diameter steel balls which act as projectiles. Launcher is released by push button and projects one ball forward while allowing the other to fall freely Launching mechanism mounted on wooden block, 180x60x30mm. which may be clamped by bench and has a convenient storage pocket for the balls. Complete with two steel balls.
ABBOMEDTM A superior standard mercury barometer suitable for altitudes upto 600 meters. The barometer has a nominal bore of 7 mm. graduated scales covering 675 to 810 mm. Hg. and 26 to 32 inch Hg. The scale of are screw fastened to metal frame at the top of the tube. A vernier reading 0.05 mm Hg. and 0.002 inch Hg. provided with an adjustment knob is mounted between the two scales. The reservoir has a standard type of adjustment screw and index, and the barometer fitted with –10 to 50 deg. C thermometer mounted on a polished base. Complete with working instructions. Fortin's Barometer
Mercury for use with above
Wooden case for above
Four-stroke Diesel Engine Model
ABBOMEDTM A model of four stroke water -cooled diesel engine. This is of the chain-driven overhead camshaft type and all functional components like camshaft, rock-arms, tappets etc. are clearly demonstrated. The functioning of fuel injection system is also represented. Ignition is shown by means of a miniature bulb, Mounted on base.
Friction Board Apparatus
ABBOMEDTM Wooden friction board 490 x 75 x 20 mm. a wooden slider with hook 140 x 70 x 20 mm. a plain aluminium slider and an aluminium slider with rubber backing. A further long aluminium slider is provided which fits over the friction board to provide an alternative surface type.
ABBOMEDTM Function generator offers excellent waves shape, signal linearity, waveform symmetry and frequency range from 1Hz-100 KHz.
Selection of sine, square and triangle wave and amplitude variable from 0 to 10 V
The instrument is designed using easy obtainable parts which present trouble free service.
Frequency rang 1Hz-100 KHz in 5 steps
Functions sine, square and triangle
Frequency Indication dial
Accuracy better than +- 5%
Amplitude up to 10V P-P open circuit
Output impedance 600 ohms
Fluid Pressure Apparatus
ABBOMEDTM Demonstrates the phenomenon of transmissibility of fluid pressure. For the same force exerted, pressure is inversely proportional to the surface area. The apparatus comprises of the plated brass cylindrical tubes of different diameters, each fitted with piston and connected to each other through a brass tube at their bottom. Pistons have circular disc at the top for loading masses (masses not included). Complete apparatus mounted on a wooden base.
For use with a large motor/generator and a lamp unit to demonstrate the conversion of electrical energy to kinetic energy and then back again. Comprising an iron flywheel, mounted in cast brackets with bearings. The shaft has an aluminium 'V' pulley for driving with the spring belt supplied.
To verify the law of composition and resolution of forces consisting of a aluminium table 40cm in dia. its raised rim has a engine divided scale, graduated in 360° mounted on heavy vertical support rod & tripod base provided with leveling screws. Body under study in a ring in center of the table fastened by cords passing over four pulleys attached with the table. Complete with four pulleys, four weights hangers twelve we i g h t s ( 2 x 1 0 gm, 2 x 2 0 gm, 4 x 5 0 gm, 4x100 gm.)
Four Stroke Petrol Engine Model
Represents internal structure and operating principles of an air cooled two-stroke engine. All parts in aluminium alloy. Ignition is shown by means of a miniature bulb. Carburetter and fuel supply also sectioned. Mounted on base, with printed diagram showing working.
Two-Stroke Petrol Engine
Engine are also available.