"Vernier"

Use the Go Direct Glass-body pH to measure pH in aqueous, heterogeneous, and organic solutions.

The Go Direct CO₂ Gas Sensor measures gaseous carbon dioxide concentration levels, air temperature, and relative humidity.

A powerful and versatile light sensor that measures light in the visible to ultraviolet electromagnetic spectrum.

A three-axis accelerometer with a stable and accurate force sensor that measures forces as small as ±0.1 N and up to ±50 N.

This sensor uses type-K thermocouple wire to measure temperatures over the range of −200 to 1400 °C.

Use the Go Direct® Tris-compatible flat pH sensor to measure the pH of a solution or semisolid, such as food or soil.

The Go Direct Potassium Ion-Selective Electrode (ISE) can be used to measure the concentration of potassium (K⁺) ions in aqueous solutions.

Easily and precisely measure the total dissolved salt content in ocean or brackish water.

The Go Direct 3-Axis Magnetic Field Sensor allows you to determine the magnitude and direction of the magnetic field at any point in space.

The Go Direct Nitrate Ion-Selective Electrode (ISE) can be used to measure the concentration of nitrate (NO₃^-) in aqueous samples.

Go!Temp collect temperature data directly through the USB port of a computer. Essential in any classroom!

Everything you need to collect real, meaningful data about the natural environment.

The Go Direct Energy sensor quantifies the voltage, current, power, and energy output.

Measure the power of electromagnetic radiation in watts per square meter.

This kit is an accessory for one of our most popular biology labs, Primary Productivity.

Students can collect reliable data during experiments that involve extreme temperatures.