This single burner hot plate with skid proof rubber feet has a heating surface 154mm in diameter. Heat can be adjusted via a dial. 1000 watts. Operates using a 110V outlet.

Our Lenz’s Law apparatus is a simple and effective way to demonstrate induction and Lenz’s Law of electrodynamics. The metal hoops (one open and one closed) are freely moving on a centrally mounted pin. When a magnetic field is introduced to the closed loop from a bar magnet, an electrical…

Thermometers are essential for taking temperatures in the lab. These thermometers have a yellow backing to make graduations easier to read. This thermometer is total immersion and has a range of -20 to 110 deg C. Thermometers are essential for taking temperatures in the lab. These thermometers have…

Understanding and measuring wavelengths is an important subject in any physics class. 24A00B511 This is a Class II, Laser Pointer.  The green laser light has a longer wavelength of about 532 nanometers. The Laser Pointer is a high-quality pointer at an affordable…

Our Light Source accessory provides light from a 12V, 24W light bulb. Power source not included. We also see replacement bulbs for this accessory (#OPTBN-BULB). This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS …

Burner tri-pod with cast iron ring and nickel plated threaded legs. Sold individually.

The Serological Pipettes are used to transfer liquids in a laboratory. The sterile serological pipettes are individually packaged. They have a capacity of 50ml and are graduated by 0.5ml. They are plastic and graduated in black and have a color-coded band at the top for easy identification. Sold…

Our digital thermometer can accurately read temperatures between -50°C and 300°C with a 0.1°C distinguishing rate and an accuracy of ±1°C. This thermometer can save the last measurement value and switch between °C and °F. Uses a 357A button cell battery. PRODUCT WARNINGS WARNING: This…

Our Diaphragm accessory allows you to cycle through six different size apertures for light experiments: 2mm, 4mm, 6mm, 10.75mm, and 14.85mm. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS WARNING: This…

A Wheatstone Bridge is a tool that can be used to determine an unknown electrical resistance within a circuit by comparing known resistances to the unknown resistance value. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene, nickel, and lead, which…

A voltaic cell is ideal for demonstrating the characteristics of a primary cell. The cell's cup is clear so you can easily view the electro-chemical reactions taking place. The top rim is made of heavy molded plastic with a sturdy nickel plated clamp that holds both round and flat electrodes. …

Our 10-Level Conductivity Indicator can be used for quick comparisons of conductivity in solutions including, but not limited to, tap water, vinegar, baking soda solution, or varying concentrations of salt water. This device is very simple to use - just submerge both brass prongs in a solution,…

These pulleys are generally used as demonstrations in education, but they can also be used as a tool for relatively light items. 24A00B361 This is a cast metal pulley, 50mm diameter with a single groove.  The pulley has a hook at the top and bottom of the…

These stands have nickel-plated rods, and heavy, corrosion-resistant bases for stability. They come as a set with support rings included. Stamped Steel Base #4-SSS66-R2 : Base [4" x 6"], Rod [18" x 5/16"], 2 Rings [diameter 3", 4"] #4-SSS67-R3 :…

Our Liebig Condensers are made from high-quality borosilicate glass and have a straight sealed inner tube and two inlet/outlet arms. These condensers have standard joints. We also sell Liebig condensers with rubber connections or ground glass joints . PRODUCT WARNINGS Our products…

Centrifuge tubes are used to hold various liquid mixtures or liquids containing suspended solids so that they can be spun and separated in a centrifuge. Our tubes are made of polypropylene, are graduated, come in a neutral color, and have a frosted writing area. The 15ml and 50ml tubes are…

The Deluxe New York Balance with Support Stand is used to demonstrate the relationship between length of the lever arm, moment of force, and amount of force. The unit is designed to help students to understand the principles of torque and its properties. The plastic meter stick included with this…

Our flat electrodes are 18mm by 100mm, or approximately .75" by 4". The metal electrodes are 1mm thick, while the carbon electrode is 6mm thick. This set contains twelve electrodes – two zinc, two copper, two steel, two aluminum, two nickel, and two carbon. PRODUCT WARNINGS …

These pulleys are made of black plastic, have a metal housing, and have hooks at the top and the bottom. All wheels are 50mm in diameter except for the smaller wheels on the tandem models. We offer several varieties in both parallel and tandem styles. PRODUCT WARNINGS WARNING: …

This single pulley is attached to a clamp that can attach it to a table. Both the pulley and clamp are made of cast metal. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the State of California to cause cancer, birth…

This set includes 0.5N, 1N, 2N. 3N, and 5N springs. It can also be used as a supplemental product with the Hooke's Law Apparatus. Springs stretch by 2 cm with a load of 0.5 N, 1 N, 2 N, 3 N, and 5 N, respectively. Each spring has a hook to support a weight hanger and a red indicator arrow.

The connector cord set have Cross-Patch/Stacking Banana Plugs on one end and a Alligator Clip on the other end. The alligator clip has an insulated sleeve for safety and the cords are flexible and durable. The set includes 6 cords; 3 black and 3 red.

A contact key is used for experiments which require momentary current. The contact key is used to open or close a circuit. The key is mounted on a 3” x 4.5” x 3” black base with two binding posts. The arm of the contact key is plated metal with an insulated button.

Micrometers are a preferred tool for measurement of the outside thickness of items such as metals. This tool is useful for machinists and anyone needing precise measurements. It can be used to measure glass tubing or other outside diameters in a lab environment. It is a perfect teaching aid in…

Our Orienteering Compass is great for map work or when hiking. Specifications: Graduated in 2° increments, and features four scales Black bezel with easy-to-read print Has liquid-filled capsule, declination correction scale, luminous points, and 4X magnifier in base Acrylic base…

A resonance apparatus is used in the demonstration of standing waves. It can be used to observe the resonance phenomena, the speed of sound in air by exploiting standing waves, resonance effects in longitudinal waves, and resonance points for a certain frequency and their relation with the standing…

Demonstrates the flow of convection currents in a gas. Place a small, lit candle under one open chimney, the use touch paper or a wood splint to introduce smoke into the opposite chimney. The heat from candle will cause the air to flow and the smoke can be observed traveling down into the box and…

Spring Scales are used to weigh loads and are used in physical science experiments as a basic accelerator. Spring Scales use Hooke’s law to determine the size of the force stretching the spring by measuring the displacement. The spring scale has a clear body that is graduated, a mounting ring…

This hand protector is ideal for gripping hot beakers, flasks, bottles, and other objects. It is made of molded silicone rubber and features gripping surface to prevent slipping. The silicone rubber can withstand temperatures up to 120°C. PRODUCT WARNINGS Our products are not toys . Use…

The Weather Globe Barometer is similar in design and function of the first barometer created by the Italian scientist Torricelli in 1643. This glass weather barometer can be used to predict weather conditions. Rising water in the tube means bad weather, falling water in the tube means good weather.…

Galvanometers measure very small amounts of current or voltage in a circuit. Our meters are accurate to +/- 2.5% and have banana jack style binding posts.