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Study levels of chloride in fertilizers or conduct water quality studies using the chloride sensor. * Electrode also sold separately

With its broad dynamic range, this sensor can be used to measure a wide variety of CO² concentrations such as photosynthesis and chemical reactions in Biology and Chemistry labs.

The CO2 sensor has a broad dynamic range of 0-100k ppm. Also, it is easy to use – the sensor automatically calibrates itself before every experiment.

The Colorimeter is designed to determine the concentration of a solution by analyzing its color intensity. The Colorimeter measures the intensity of light transmitted through a sample at a selected wavelength. This makes the Colorimeter useful for several experiments in Chemistry and Biology. * Sensor design may change

The Conductivity sensor is designed to measure conductivity of liquids and solutions capable of measuring the entire range of 0.05 - 80 millisiemens (mS). Conductivity is one of the most basic tests conducted in solutions. It determines the total concentration of ions in a sample using the direct relationship between conductivity and ion concentration in a solution.

This broad differential current sensor is capable of measuring both direct and alternate current.

This differential current sensor is capable of measuring both direct and alternate current.

Measure the distance of static and moving objects both near and far. Students can use this versatile distance sensor to investigate dynamic cart motion on a track, measure free fall acceleration and more.

Accurately record the volume a solution during titration with the drop counter. * Sensor design may change

Measuring cardiac electrical potential waveforms, the EKG (Electrocardiogram) sensor enables students to investigate the electrical signals generated by the heart.

The Electrostatic Charge sensor is a dual range, all-purpose sensor that can be used in many electrostatic experiments. It is not affected by humidity and can perform quantitative measurements and indicate charge polarity making it superior to the traditional electroscope.

The Ethanol sensor is an accurate, easy to use, sensor designed to measure ethanol levels in air and is used in experiments having to do with fermentation.

This Sensor measures the velocity of water flowing in a river, stream or canal.

The fluoride sensor easily measures the amount of fluoride in a solution. Use the fluoride sensor in Agriculture studies and Chemistry experiments. *electrode sold separately

Study friction, simple harmonic motion, impact in collisions or centripetal force with this sensor.

The Geiger Muller Sensor is used in experiments such as demonstrating the random nature of radioactive radiation, measuring Activity vs. Distance of a radioactive source and investigating the effect of different absorbers on radiation. * Sensor design may change

Use this sensor to compare or monitor heart rates before, during and after brief vigorous activity and monitor the time it takes the heart rate to return to normal.

Use this high accuracy sensor to measure an individual’s fitness, and how factors such as level of activity, gender and size impact heart rate.

Using the humidity sensor, learn about body respiration properties, biotic conditions outdoors and research the meteorological connections between humidity and temperature.

Humidity and Temperature are not only a key part of many scientific experiments, they are quite commonly measured together. With the new einstein™ Temperature and Humidity sensor these experiments are now easier than ever. The Temperature sensor has a wide range (-40 °C to 125 °C) while the Humidity sensor measures relative humidity from 0-100 %.

This lead sensor easily measures the amount of lead in a solution and in soil. * Electrode also sold separately

The Light sensor contains a high precision Photoelectric cell that measure light intensity in activities such as solar radiation and photosynthesis.

The triple axis Magnetic Field sensor is able to measure magnetic fields along the x, y and z axes simultaneously. This Magnetic Field Sensor can be used for measuring a wide range of magnetic fields, from the Earth’s weak magnetic field to the strong magnetic fields inside solenoids – up to 20 mT.

This sensor is designed to study the properties of sound waves such as sound speed through air and other materials, sound beats or harmonic properties of sound.