This graphic, sealed exhibit, containing a pack of cigarettes and cigarette butts submerged in gooey tar, represents the amount of carcinogenic liquid a half-pack-a-day smoker put into his/her lungs over the course of a year.

Analogue multimeter with mirror scale, tip-mounted moving coil measuring mechanism and central measuring range rotary switch.

For measuring current, voltage and resistance

20 measuring ranges

Continuity test with acoustic signal

Includes accessories: case, test leads, batteries and operating instructions.

Voltage DC: 3/15/60/150/600 V; ±3.0%

Voltage AC: 15/60/150/600 V; ±4.0%

Current DC: 100 µA/10 mA/500 mA/10 A; ±3.0%

Current AC: 10 mA/500 mA/10 A; ±4.0%

Resistance: 200 Ohm/2/20/200 kOhm/2 MOhm; ±5.0%

Power supply: 3 x 1.5 V AAA batteries

Display: 75 mm mirror scale

Safety: EN 61010-1; CAT II 600 V

Dimensions: 110 x 175 x 45 mm

Weight: 315 g

Borosilicate glass, Boro 3.3

h=95mm, d=70mm

Boro 3.3 glass, h=125mm, bottom d=60mm

Ready-to-use solution in 50ml glass bottles with rubber balloon pipettes.

For glucose determination, 10 x 50 ml.

To demonstrate how a bimetal thermometer works;

adheres to window panes, so the outside temperature can be easily read from the inside,

the bimetal spiral is clearly visible through the transparent back plate;

measuring range: -40 ... +50 °C,

diameter of the bimetal spiral: 20 mm,

disk diameter: 150 mm

To determine the relationship between pressure and volume of a gas at a constant temperature (Boyle-Mariotte law);

Compact device, consisting of a pressure gauge with a practical, clear scale, attached gas syringe made of impact-resistant plastic, well-sealed yet smooth-running piston with a robust handle, clear, easy-to-read printed scale

Syringe filling volume: 120 ml

Pressure gauge range: -1000 ... +3000 hPa

Dimensions: approx. 290 x 63 x 42 mm

Weight: approx. 182 g

Bulb socket for E10 bulbs. Connection sockets for 4mm pin plugs.

Cylindrical body to demonstrate the temperature dependence of buoyancy.

If the body is placed in a vessel filled with cold (approx. 10 °C) water, the body will float.

If the body is placed in a vessel filled with hot (ca. 90 °C) water, the body sinks to the bottom.

At a temperature of about 50 °C, the body begins to rise to the surface in the vessel.

Material samples for the detection of electrically conductive and non-conductive materials;

Set consisting of the following materials:

Aluminum

Copper

Cotton

Wood

Plastic

Carbon

Silicone rubber

Length: 65 mm each

Weight: approx. 7 g

Material samples for the detection of electrically conductive and non-conductive materials (conductivity);

Set consisting of the following materials:

Aluminum

Copper

Cotton

Wood

Carbon

Rubber

Glass

Length: approx. 150 mm each

Weight: approx. 82 g

Set consisting of cables with 4mm banana plugs of the following lengths and colors:

1 x 75 cm red, 1 x 75 cm blue,

1 x 50 cm red, 1 x 50 cm blue,

2 x 25 cm black.

Also you can choose other color combination.

Edges: 100 mm

By filling the cuvette - liquid lens with different liquids and pointing the laser(beams) at the "liquid" lens, it is possible to demonstrate the refractive indices of different liquids.

Cuvette dimensions 105x50x20mm.

On the back of the cuvette there are magnets for fixing the cuvette vertically.

The set contains 2 cylindrical bodies and two 100ml measuring cylinders.

If the body is placed in a measuring cylinder filled with cold (approx. 10 °C) water, the body floats.

If the body is placed in a measuring cylinder filled with hot (ca. 90 °C) water, the body sinks to the bottom.

At a temperature of about 50 °C, the body begins to rise to the surface.

Sensor - CMOS 1/2.9 inch

Pixels - 1920 x 1060 pixels, 2.0 Mpix

Scan mode - Progressive, rolling shutter

Pixel size - 2.8 μm x 2.8 μm

Filter - RGB

Mount - C-mount

Max fps - Up to 30 frames per second (1920x 1080 pixels)

(Frame rates have been determined at optimal conditions)

ADC - 12 bits

Color depth - 24 bits

Sensitivity - 0.51 V/lux-sec @ 550 nm

Exposure - Automatic or manual, from 1 ms to 2 s

White balance - Automatic/manual

Dynamic range - 72 db

Data interface - USB 2.0 at 480 Mb/s

Operation - 0 – 60° C, 10-85 % humidity

Supplied with

0.45x objective with C-mount, USB 2.0 cable, 30 and 30.5 mm adapters for stereo microscopes, 76 x 24 mm calibration slide, USB stick with ImageFocus Plus software, carton box

Software

Windows 10 and higher (32 and 64 bit configurations) and Mac OS

The AM3111 digital microscope is an economical pick that provides smooth imaging and balanced color performance, making it suitable for a variety of applications, such as simple industrial inspections, educational use, or personal hobbies.

Smooth Imaging: The CMOS image sensor transmits smooth images at up to 60 fps with 640 x 480 resolution.
Adjustable Magnification: The adjustable magnification ranges from 20x ~ 50x for a broad view to over 200x for detailed close-ups, easily controlled with the focus knob.

This completely wireless system simplifies experiment setup and allows basic experiments to be conducted with or without the track.

Specifications

• Position resolution: 0.25 mm, reported by default at 1 mm steps
• Force range: ±50 N
• Accelerometer range: ±160 m/s2
• Track length: 2.2 m

E27 lamp holder with base, switch, fuse and power cord.

Together with an electricity meter, it allows you to study the power consumption of different E27-base lamps (e.g. incandescent, energy-saving or compact fluorescent and LED lamps).

Using a lux meter or Vernier light sensor, it allows you to study the relationship between light intensity and energy consumption.

Working model of an electric motor for student experiments. By assembling this model, students become familiar with the components and structure of a motor. The simplicity of the model enables a transparent representation of the function of the motor. The permanent magnet can be replaced by an electromagnet, which allows the motor to be operated with both direct and alternating current. Of course, operation as a main or shunt motor is also possible! The drive shaft of the motor is equipped with a pulley.

The tools required to assemble the working model are included in the scope of delivery!

Voltage supply in DC operation: 1.5 ... 5 V

Voltage supply in AC operation: 6 ... 9 V

Dimensions (in plastic box): 133 x 104 x 42 mm

Dimensions (finished model): 133 x 104 x 100 mm

Mass: approx. 277 g

Electric motor 2-6V on base with rubber feet and 4 mm safety banana sockets. Can also be used as a electric generator. Produces 1.5 V with 90 mA at approx. 2500 rpm.

Electronic scale that can be easily stored - several EFS series scales can be safely stacked on top of each other, saving storage space.

Weighing plate dimensions 134x127mm, material - plastic

Max. weighing object 620g

Readability and repeatability 0.1g, linearity 0.3g

Power supply 4xAA batteries

Weight 450g, dimensions 145x205x46.5mm

Set of electronic scales (5 pcs), which can be easily stored - they can be safely stacked on top of each other to save storage space.

Weighing plate dimensions 130x125x10mm, material - plastic

Max. weighing object 620g

Readability and repeatability 0.1g, linearity 0.3g

Power supply 4xAA batteries

Weight 430g, dimensions 145x205x46.5mm

Metal net bell with hook, for shielding electrical fields.

Diameter: 240 mm, height: 300 mm

Fiber optic light that changes the color of the light. Powered by 3xAA batteries.

This loose foot and ankle skeleton comes mounted with elastic bungy for a flexible effect. The foot skeleton includes portions of the tibia and fibula. Flexible throughout for a more realistic anatomy model of the human foot.

Unfortunately it is not possible to specify left or right version, you will randomly receive a left or right sided model.

Running times:

30 sec +-10%

1 min +-10%

3 min +-10%

5 min +-10%

10 min +-10%

In plastic box with handle.

This shoulder joint model consists of the upper half of the humerus, as well as the clavicle and scapula. Besides showing the musculature of the rotator cuff, the shoulder joint model also shows the origin and insertion points of the shoulder muscles highlighted in color (origin = red, insertion points = blue). The following muscles of the shoulder can be depicted and even detached for a clearer understanding of the shoulder joint:

• M. subscapularis
• M. supraspinatus
• M. infraspinatus
• M. teres minor

Upon detaching the individual muscles, all movements of the shoulder joint can be carried out, namely:

• Abduction
• Adduction
• Internal rotation
• External rotation
• Raising the arms to the front of the body
• Raising the arms to the back of the body
• Raising the arms above the horizontal plane and “making circles with the arms”

For experiments on magnetism and electromagnetism (long-distance effect of a magnet, magnetic influence, magnetic force of a current-carrying coil).

Iron nails, galvanized, packed in a tin with a lid

Length of nails: approx. 20 mm

Filling quantity: approx. 150 g

Dimensions (tin): D=77 mm, H=36 mm

Weight (total): approx. 166 g

For determining the specific heat of water, the heat output and current, the electrical heat equivalent, the water value of a vessel, the heat capacities of liquid and solid substances and for converting electrical energy into thermal energy.

Consisting of 2 aluminum cups, an insulated container in between, transparent lid with immersion heater cascade 2 / 4 / 6 Ohm with four 4mm safety sockets, silicone stopper for inserting a thermometer and a simple stirrer

Supply voltage: 6 V

Filling volume: approx. 150 and 700 ml

Dimensions: D = approx. 100 (105) mm, H = approx. 120 mm (without stirrer)

Mass: approx. 228 g

Two devices included in set.

A base plate with a motor, to which one of the eight supplied colored disks can be connected. When starting the electric motor, the colors of the discs merge into one. Required external DC supply voltage 2...6V.

Projector with three primary color light sources. By switching different light bulbs on and off, you can observe the colors produced and the colors produced when they join on a screen (eg white paper). Required external supply voltage 6V.

The standard in the laboratory, ideal for a wide range of applications for Industry 4.0.

Weighing capacity [Max] 2000 g

Readability [d] 0,1 g

Units kg, g, gn, dwt, tl (Tw), tl (HK), ozt, tl (Singap, Malays), ct, mo, lb, oz, ffa, m

Linearity ± 0,2 g

Reproducibility 0,1 g

Stabilization time 3 s

Interfaces RS-232 (optional), Bluetooth (optional), Ethernet (optional), USB-Device (optional), KUP, WiFi (optional)

Adjustment options Adjusting with external weight

Recommended adjusting weight 2 kg (M1)

Ambient temperature -10 °C – 40 °C

Dimensions weighing surface (W×D) 130×130 mm

Material housing plastic

Dimension housing (W×D×H) 163×245×65 mm

Material weighing plate stainless steel

Net weight approx. 1,4 kg

Lamp 12 V/30 W with movable condenser for adjusting the convergence of the light beam and two external mirrors for examining the color mixture. With slots for inserting filters, diaphragms, slits, etc., heat-resistant housing.

Dimensions: 160 x 80 x 55 mm

Weight: 320 g

Four colored round magnets on a common rod.

Switchable light from white LED and red laser. Both light sources are certified with the lowest protection class of their kind, the device is assigned to risk group RG0 (“free group”) according to DIN EN 62471 and laser protection class I according to DIN EN 60825.

A paste-like magnetic material in a can that can be "attracted" to it with the included neodymium magnet.

Multimeter for measuring voltage and current, DC and AC, can also be used as a galvanometer. As an ideal student multimeter, it has two double scales. 

All of this makes this device unique:

Electronic overload protection in all measuring ranges, with control LED display (no more fuses!)

Large, robust design with holster

Easy to read thanks to tilted position

Transparent base with recessed grip for holding with one hand

1 mV final value range for measuring thermal and induction voltages without a preamplifier

All measuring ranges (even low currents!) are available in AC

Unusually good frequency response: typically -1.5 db at 20 kHz, so measurements on all types of resonant circuits are also possible directly

Large, easy-to-read mirror scale with clear print

Extremely accurate, typically 1.5%

Large, robust selector switch

10 A range with its own input socket

Center zero point can be selected by switch position

Technical data:

AC and DC voltage ranges: 1, 100, 300 mV, 1, 3, 10, 30 V

AC current ranges and DC: 100 µA, 10, 30, 100, 300 mA, 1, 10 A

Internal resistance: 100 kOhm/V

Selector switch: DC, AC, battery control, pointer center position

Scale arc length: approx. 90 mm

Power supply: 4 x 1.5 V Mignon batteries (included)

Dimensions: approx. 200 x 140 x 110 mm

Weight: approx. 637 g

Comes with various lenses and other equipment. The LED light is powered by batteries.

25ml, in a glass bottle with a pipette

Consists of two wooden boards 29 x 21 cm, adjustable screws for setting the compressive tension.

Made of plastic, dimensions 37x43x12mm, weight 6g. Equipped with a hanging loop.

Made in Germany

The SL-ZW1 is a polarized USB powered gooseneck light with the ability for the polarization to be adjusted by a simple rotation on the accessory itself. To take advantage of the polarizing light, the accessory is ideally suited to work with Dino-Lite models that have the polarization filter.

In a ventilated sheet steel housing with on/off switch and power cable, colored 4 mm safety connection sockets for DC voltage, continuously adjustable output voltage, stabilized and smoothed, overheating and short-circuit protection, moving coil voltmeter. All outputs galvanically isolated from the mains.

Approved for student experiments in accordance with the current directive on safety in teaching (RiSU). CE mark.

Equipment set consists of individual components and can be combined excellently with other mechanical experiment materials. With just the components of this sturdy red case, you can carry out experiments with

- Loose pulley

- Fixed pulley

- Pulley block.

The two included holding frames, each with two hooks, make it possible to hold all four pulleys with a diameter of 100 mm. This gives you various options for experimenting with the pulleys.

In a sturdy transport and storage case (270 x 210 x 50 mm).

Red light source giving a beam with minimal divergence, housed in a compact and sturdy aluminium body. It is based on a 650 nm class II industrial laser module with a glass collimating lens. Fitted with a 10 cm stainless steel rod. A plug-in mains-adaptor power supply is included.

Laser protection class: II

Output power: 0.9 – 1 mW at 20° C

Wavelength 650 nm ± 5 nm

Spot size at 5 m distance: <8 mm diam.

Divergence <1 mrad

Plug-in power supply: Primary: 100 – 240 V, 50/60 Hz

Secondary: 6 V DC, 300 mA

Resistance 100 Ω / 10 W ±1% on base with rubber feet and 4 mm safety banana sockets.

Windings visible, on base with 4 mm connection sockets.

1 roll of wire, D=0.1 mm, L=30 m

1 roll of iron wire, D=0.2 mm, L=30 m

1 roll of copper wire, D=0.2 mm, L=30 m

1 roll of constantan wire, D=0.2 mm, L=30 m

1 roll of constantan wire, D=0.5 mm, L=15 m

1 box with lid

Sliding resistor in an open design so that the sliding slider on the resistance wire winding is clearly visible,

with 3 sockets for safety and normal laboratory cables with 4 mm plugs;

Resistance: 20 Ohm, load capacity: 2 A (also higher for a short time), voltage: max. 42 V,

Dimensions: approx. 150 x 65 x 40 mm

For Vernier spirometers SPR-BTA, GDX-SPR

For Vernier spirometers SPR-BTA, GDX-SPR

Cube-shaped stand for test tubes. Holes of different diameters on different sides:

4 places d=28mm

10 places d=17mm

12 places d=12mm

16 places d=11mm

Several test tube stands can be connected together to form a long test tube stand

Made of enameled thick wire.

Dimensions 130x116x55mm.

Openings 18mm.

Pair of wide field eyepieces WF10x/20 with rubber hoods.

Binocular head tilt 45°, left eyepiece diopter adjustable, eyepiece distance adjustable 55...75 mm.

Pair of objectives 1x and 3x. Magnifications 10x and 30x, field of view 10 / 5 mm.

Two coarse focus buttons.

Transparent and black/white object plate. Two object clips.

Transmitted and incident LED illumination. Transmitted and incident illumination can be used separately or simultaneously.

Built-in rechargeable 1,800 mAh battery and external charger.

Dimensions 25 x 18 x 11.5 cm, capacity 4 liters, stackable

Choice of natural, blue or red

RE-Wood is made of 100% recycled materials, PEFC certified, the material can be recycled again and again after disposal.

Packed in a cardboard box.

Dimensions 25 x 18 x 6 cm, capacity 1.5 liters, stackable

Choice of natural, blue or red

RE-Wood is made of 100% recycled materials, PEFC certified, the material can be recycled again and again after disposal.

Packed in a cardboard box.

Secured wide field eyepiece WF 10x/18 mm with fixed pointer

Monocular 45° inclined tube, 360° rotation. Tube length 160 mm

Nosepiece for 4 objectives. Ball-bearing mechanism and click-stops

Achromatic 4x N.A. 0.10, 10x N.A. 0.25 and S40x N.A. 0.65 DIN 35 mm parfocal objectives

The S40x objective is spring-mounted

Square stage 115 x 100 mm with 55 x 22 mm X-Y translation stage

Coaxial coarse and fine adjustments with 200 graduations. Precision 15 μm,

3 mm per rotation. Total travel approximately 15 mm. Friction adjustment

Friction of focus control can be adjusted

N.A. 1.25 condenser with iris diaphragm and filter holder

1 W LED illumination with intensity control, rechargeable batteries with external power

supply/charger

Paint with Antibacterial Protection Layer

Supplied with manual and dust cover in styrofoam case

Plastic. Openings 24mm. Dimensions 245x105x70mm.

Set includes: 440Hz tuning forks, tuning ring, stands, striking hammer.

The tuning ring allows you to change the frequency of one tuning fork from 440 hertz higher or lower, thus allowing you to demonstrate the beats.

Taking image quality to the next level, the 8-megapixel AM8117MZT digital microscope delivers high resolution and color fidelity for a natural-looking and detailed imaging experience. AM8117MZT includes a polarizer for reducing unwanted reflections as well as eFLC for maximizing lighting adjustability.

Short Description High Optical Resolution 8.0 Megapixel Enhanced Flexible LED Control (eFLC) Adjustable Polarizer Robust Metal Housing

The Dino-Lite AF4135ZTLE is part of Long Working Distance (LWD) series and connects to your device via USB. The AF4135ZTLE is Wireless-ready, but requires the (optional) WF-20 to make it a fully wireless solution.

In comparison, the AF4x35 series provides a similar working distance range but achieves higher magnifications compared to the AM4x15 series.

Short Description 1.3 Megapixel Edge sensor 10x~200x magnification Flexible LED Control (FLC) Polarizer Wireless-ready

The wave demonstration device is attached to a table with a clamp or held in place by an assistant. The other end of the string coming from the device is fixed securely at a suitable length or held by another assistant. A DC voltage of 6V is applied to the device and by adjusting the rheostat, standing waves are achieved in the taut string.

Plastic compass for woodwork or drawing other circles with large radius.

The maximum inner diameter of the pencil holder is 9.5 mm. Min gap between grips 40mm, max gap between grips approx. 400mm. Total length 290mm.