$0.00
Nice color blindness book with nice illustrations for testing and demonstrating color blindness. Both numbers and figures appear in the book.
Text in both Chinese and English.
Model, measure and understand complex density driven circulation associated with heat transfer through convection.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Nitrate test vials.
This small plastic bottle is designed to allow simultaneous sensor measurements of oxygen gas and carbon dioxide gas.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Alkalinity test vials.
This bundle expands on the Starter Bundle and includes an Optical Dissolved Oxygen Sensor, a Colorimeter, and more.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Iron test vials.
A single polycarbonate chamber designed to integrate sensors for controlled-environment experiments such as fermentation and plant / cricket respiration.
Measures the water content of soil and reports it in percent. For use with PASPORT Interfaces.
Vials contain a vacuum-sealed color forming reagent to test a variety of water quality parameters. 30 individual Total Hardness test vials.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Chlorine test vials.
