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Easily measures the amount of nitrate in a solution. Use it to studynitrate levels in soil and water. * Electrode also sold separately

Measure oxygen concentration in solutions and fluids. Conduct investigation into oxygen consumption in aquariums and other bodies of water. Built-in temperature compensation makes this sensor highlyaccurate and easy to use. * Electrode also sold separately

The Oxygen sensor is a maintenance- free galvanic oxygen electrode capable of measuring Oxygen in solutions. With built-in temperature compensation, this sensor provides an easy way for students to receive accurate results without having to preform complicated compensation calculations.

The pH sensor replaces the traditional pH meter adding powerful capabilities such as collecting the pH data and displaying the results in an interactive graph. The pH sensor is capable of measuring the entire range of 0 - 14 pH and is used for various experiments in Biology, Chemistry and Water Quality.

This general-purpose sensor is commonly used for a wide variety of experiments such as studying the swing of a pendulum, measuring the speed of a rolling object or measuring the speed of colliding objects.

The PM sensor measures floating particulate matter in the air in two ranges: 1μM and 2.5 μM. It is ideal for use in a wide range of experiments in Environmental issues, especially concerning air pollution.

The Potassium sensor can be used to measure pollution, agricultural fertilizers or the effects of food processing.

This sensor can be used as an altimeter and as a barometer for various meteorological measurements. Investigating transpiration, measuring the respiration rate of germinating seeds and examining the Ideal Gas Law, all can be done with this sensor.

With its broad range, the Pressure Sensor can be used to monitor pressure changes. Use it in class to demonstrate phenomena such as Boyle’s Law or Gay-Lussac’s Law.

This sensor measures rainfall and is used in a variety of experiments in the areas of Climatology and Environmental Studies.

Examine how objects move, accelerate and swing. This sensor and pendulum accessory help students explore topics such as the effects of gravity on objects in motion.

The Salinity sensor is designed to measure the salinity of liquids and solutions and is capable of measuring the entire range of 24-52,000 ppm (parts per million). Salinity is one of the most basic tests conducted in solutions. It determines the total concentration of salts in a sample.

Measure the velocity and acceleration of moving objects, learn Newton’s laws of dynamics, or Newton’s second law with this Smart Pulley.

Our sodium sensor easily measures the amount of sodium in a solution. Use the sodium sensor for Agriculture studies, experiments on food and Chemistry studies.

Measure the soil moisture’s electric resistance and convert data into calibrated readings of soil water suction.

Use the sound sensor to Investigate environmental noises, room acoustics, sound level or sound isolation.

The Spirometer is a breathing sensor designed to conduct physiology experiments. Based on air speed, the Spirometer calculates the airflow rate and lung capacity of a subject who is breathing into the sensor.

This all-purpose temperature sensor with a range of -40° to 140°C is particularly well suited for conducting water and other chemical solution temperature measurements.

This Platinum Resistance Thermometer (PRT) is ideal for use in the research of extremely low temperatures and it is also a very powerful sensor for monitoring liquid gases and other materials.

This high accuracy Surface Temperature Sensor enables exploration of topics such as skin temperature measurements and the effects of wearing light or dark-colored clothing in the sun.

The Thermocouple sensor can be used in high temperature experiments such as monitoring chemical processes that occur in high temperatures, measuring the different temperatures in a flame or simply monitoring ovens.

This sensor measures the cloudiness of water due to industrial processes or environmental pollution.

Study the UV variations along a fluorescent tube, the invisible light from different sources or fluorescent rocks and dyes.

This broad range voltage sensor can measure direct and alternate voltage current, EMF and internal resistance, V-I characteristics of a wire, a light bulb and a diode, connections of batteries, resistance of a wire or Ohm’s Law.