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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 Ammonia test vials.
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 to test a variety of water quality parameters. 30 individual Chlorine test vials.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Alkalinity test vials.
Easily measure heart rate before, during, and after exercise with the data transmitted wirelessly to your devices.
The PASPORT Salinity Sensor works with the included Salinity Sensor Probe to measure salinity, conductivity and temperature.
The PASPORT Water Quality Colorimeter is designed specifically to support the chemical analysis of water samples using PASCO’s ezSample Snap Vial test kits.
This bundle expands on the Starter Bundle and includes an Optical Dissolved Oxygen Sensor, a Colorimeter, and more.
Designed to be placed in air or water flow. When connected to the General Flow Sensor, aids in measuring pressure differences.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Iron test vials.
