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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.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Chlorine test vials.
A single polycarbonate chamber designed to integrate sensors for controlled-environment experiments such as fermentation and plant / cricket respiration.
The PASPORT Salinity Sensor works with the included Salinity Sensor Probe to measure salinity, conductivity and temperature.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Ammonia test vials.
Measures the water content of soil and reports it in percent. For use with PASPORT Interfaces.
A hands-free option for measuring heart rate before, during, and after physical activity.
The PASPORT Water Quality Colorimeter is designed specifically to support the chemical analysis of water samples using PASCO’s ezSample Snap Vial test kits.
Set of 5 clear PVC taps for water flow visibility when designing and constructing pipe networks. For use with an Absolute Pressure Sensor.
The Wireless CO₂ Sensor measures carbon dioxide gas levels and wirelessly streams data to your computers, tablets, and smartphones.
Vials contain a vacuum-sealed, color forming reagent for testing a variety of water quality parameters. 30 individual carbon dioxide test vials.
