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Students Power Source for Senior Middle School
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Digital Display Direct Current
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Recording Barometer
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Detachable transformers, 500 coils, primary coils, 50 coils, 100 coils, 200 coils, 500 coils, 1000 coils, 2000 coils each.
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Solenoid: 50mm in diameter, 2 parallel coils, each of 200 rings, each with an outlet symmetrical to the center, with a maximum current of =5A.
The base is to be marked with the number and length of the coil.
Adjustable inductance, maximum I=1.8A, L between 0,15 H - 1,1 H, the resistance is less than or equal to 15 Ω, with safety terminal.
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A cell consisting of a glass trough, a zinc electrode, a porcelain trough, and a graphite electrode. Each electrode is provided with a negative safety terminal.
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Cylinder Dynamometer
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Demonstrates square, round, segmented modules, materials, hardwood.
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This product measures angles, panel diameter 300mm, material plastic ABS, with handle and two angles.
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Rope Wave Demonstrator
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Seven Pieces of Punch
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Spectrum lamp: sodium lamp, power 18W, power supply. Used to observe the phenomenon of sodium spectrum.
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The simple manual pipette controller can be used to calibrate the pipette and the pipette in the Fixed pipette, and it is convenient and quick to operate with one hand. Specifications 2ml, 5ml, 10ml, 20ml.
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The optical bench, the length of 2m, with scale With 1 kinds of light source, lens and a bracket.
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The main element of this set is a light box with a robust plastic housing. Inclouding plastic disc, slit gratings and colour filters. This equipmentset is designed to be used on any table- top to provide an instroduction of colour.
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Wind Direction Meter
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Pointer electroscope:square electroscope metal shell, with a banana security terminal negative, connected to the pointer on the base, with a positive terminal of the ball and 2 with positive terminal tray.
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Materials may be of high quality rubber or high quality silicone. Three quantitative suction ball, used in glass scale burette pipette.
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Russian power supply, input AC 42V, output AC and DC 4V, 2V.
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Used to observe dotted and uniform magnetic fields. The rectangular groove is strong and transparent with 2 copper electrodes and 2 chip electrodes (copper Size 10 x 2 cm).
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Disk dynamometer, the diameter of 10cm, with zero device specifications are as follows:
1 N scale: 0.1N
2N scale: 0.2N
5N scale: 0.1N.
Fixed on the base of stable and transparent strip on the needle of the compass, can use the projector, with 2 security posts, the copper rod length should be similar with the length of the base, can the current through the 3A.
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The specifications are 10? 5.6A?333? 0.95 A?180Ω 2A 333Ω1.5 A. Sliding rheostat, corrosion protection, rust proof and robust, surface mesh protection can be achieved by transient high current.
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Pressure Pressure Demonstrator
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Magnetic Induction Line Demonstrator
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Resistance Law Tester
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Electrolyte Solution Conductivity Tester
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The battery box tester consists of 4 battery boxes and a plastic floor. Voltage output for 1.5V, 3V, 4.5V, 6V can be demonstrated.
....-lab-1114723563.jpg "Concave Convex Mirror (Handheld)")
Concave Convex Mirror (Handheld)
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The electrical suit consists of 13 components, each using a safety socket, a transparent panel and a blue plastic box base.
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Electromagnetic Suit
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The product is composed of 10 30ML reagent bottle, a pipette ball, 6 100MM plastic petri dish. A 10ML scale Straw, a wooden handle tube clip, a stainless steel tweezers and a medicine spoon, needle anatomy 2, 2 stirring rods, 12 plastic bottle, a slice of 50 suits, 100 slides and coverslips, a mini magnifying glass, a stainless steel scissors, a 5ML pipette and 10 glass dropper, respectively 100ML, 250ML and 1000ML, a 60ML plastic funnel, a 100ML plastic cylinder, 3 plastic beaker, 3 pieces of paper label, an operation the knife and 10 blades, 10 test tubes, a mark pen and -10-110 C red liquid thermometer.
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Demonstrate the use of solids in thermal expansion and cold contraction.
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The product consists of a 60MM plastic funnel, a support base, a rotatable stainless steel pole, a quantitative suction ball, a mortar, an asbestos net, a goggles, a 6 hole 6 column tube frame, a pair of clamp, 1M silicone tube, a wooden handle tube clip a hoop, belt clip, a plastic spoon, and a cross clamp.
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The product is composed of 4 60ML reagent bottle and 1 30ML reagent bottle, 6 100MM glass Petri dishes, 1 100MM plastic petri dishes, 100 90MM filter, 3 250ML plastic beaker and a 100ML plastic beaker, a scissors a scale of 2, Straw, respectively 1ML and 10ML, 2 straight glass tube, an electronic thermometer, a 100ML plastic cylinder, a stirring rod and a mini magnifying glass, a stainless steel tweezers and a dissecting needle, and a 24 hole plastic petri dish.
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Bracket base, a diameter of 10MM metal rod, transparent 1M long plastic tube, a tube clip and stainless steel tweezers, a staggered clamp, evaporation of a 60MM, a porcelain crucible and a 100MM mortar, 100 piece of 1-14 PH paper, a clip hoop bracket, a plastic cylinder, a funnel, a 60MM plastic funnel, one tube brush, an asbestos net, a silicone stopper and a quantitative suction ball, a 6 hole 6 column plastic tube frame, a crucible clamp, a pair of goggles. Gloves, a plastic box and a plastic bottle, a brush, a mini electronic, a hand-held sieve, and a dropping funnel.
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The product is composed of a laser box, a semicircle, a trapezoid, a triangle, a circle, a plastic disc, a concave mirror, a flat mirror, a base, 6 color filters and 3 slits.
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Plug type combination package, equipped with a plastic base plate for inserting element for plug-in components, a triode, relays, switches, potentiometers, resistors, diodes, light bulbs, a battery box, plastic box used instrument using pearl cotton packaging.
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Instrument transformer coil, bridge, loudspeaker, magnet, compass etc.
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The material is steel, wood, aluminum, plastic, and hook, cube size 3*3*3CM.
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Audio Frequency Meter
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Boiler with heating temperature adjustable rod, capacity of 2.6L, with a fuse protection, can accommodate 12 tubes of the scaffold,
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A device for studying the deviation of an electron beam from an electrostatic or magnetic field, with 2 coils, a vacuum tube, an electron beam cylinder, a scaled fluorescent screen, and 2 electron shifted plates.
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Interconnect Bottle
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Lishui bracket, hard wood (or plastic), can accommodate 12 6-12mm in diameter of the dropper.
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Stainless Steel Medicine Spoon
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Compass, large base, needle length 80mm, chuck with 2 metal needle safety terminal, can safely through the current.
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The ruler is marked with 0-15cm. The utility model is composed of a wooden bottom plate, a transparent organic glass lining plate and 2 groups of communicating pipes, wherein, one group of the organic glass lining plate is provided with weights, and the communicating pipe is connected with the right angle capillary tube.
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Motor model, operating voltage is DC 6V
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Simple electronic balance, 1000g, 0.1g
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Used to distinguish the thermal conductivity of metal sheets. The heat conducting rods are composed of brass, red copper, iron, aluminum and stainless steel.
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A track with a ruler, friction block, car, controller and so on
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The instrument has 3 panel drawings, and the electronic component box comprises a light-emitting diode, a lamp, a power socket and a connecting lead.
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The instrument consists of a calorimeter, transparent plastic pipe, tube, tube clamp, tape, measuring cup, pan etc.
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The utility model is composed of a plane mirror, a lens, a small hole, an imaging screen, a light source, etc., and the utility model can accomplish the experiments of small hole imaging, plane mirror imaging, lens imaging, etc.
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Plug type electrical equipment, main switch, ammeter, resistors, diodes, positioner and plug connection line number matching etc.
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The instrument consists of a calculator, a vertical clamp, a vertical pole, a base, a resistance wire assembly, etc. the plastic box is positioned and packed.
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The instrument has a lever, flat metal hook code sets, dynamometer, slot code composition and timer component.
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The instrument is equipped with a thermometer, a calorimeter, an injector, a compass, a vertical clamp, etc. The combination mainly demonstrates force and heat.
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Rocket Launch Simulator
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The detachable transformer is equipped with 4 sets of induction voltages, 6V, 8V, 9V, 12V, 24V.
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The working voltage of the instrument is AC 42V, and the inductive demonstration device is a handheld light bulb display.
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Steady Effect Experiment Instrument
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Energy Conversion Demonstrator
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The power control box for teacher?to control 3 sets,with overcurrent or leakage protection devices.
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For plug type,sound, light, wind (motor drive)
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The circular plate rotates rapidly, showing that the plate is white, indicating that daylight is synthesized by the above seven colored lights. This is the first attempt to find the law of color synthesis. also called "seven color plate"". Newton's instrument for the description of daylight. The round plate is divided into seven sections, and each of them is painted with seven colors: red, orange, yellow, green, cyan, indigo and violet.
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Electric Influenza Laboratory
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Gas Column Resonance
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Green Laser Light Source
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Recoil Motion Demonstrator
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Water Electrolysis Demonstrator
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With The Table of Pumping Gun
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