"Wardssci090080"

The CO₂ gas sensor measures gaseous carbon dioxide.

This 4-wavelength Vernier® Colorimeter is great for Beer's law experiments, determining the concentration of unknown solutions, or studying changes in concentration vs. time.

-The new design includes a one-button automatic calibration feature.
-Fifteen 3.5 ml cuvettes are included.
-A package of 100 replacement cuvettes (with 20 lids) is available separately.

A digital hanging scale with a built-in handle.

Measures AQI, dust, particulates, volatile organic compounds, and overall air quality.

Hands-on, standards-based lab kit that helps students investigate toxins and contaminates from human-made and natural sources.

Constant flow air sampling pump features clear external filter housing allows an immediate visual inspection of filter’s condition. The flow fault indicator lights up if unit operates outside ±5% of set flow rate. Battery test indicator lights up when battery can provide a minimum of 8 hours of operation over operating range.

Hands-on, standards-based lab kit that helps students explore the source and function of atmospheric layers and the impacts on health and the environment.

Hands-on, standards-based lab kit that helps students examines the importance and environmental impacts of mining.

Ideal for Student Testing at School

Measure the oxygen created by an aquatic plant under different conditions to determine its NPP.