Tech-Med* Thermometer Jar, Made of the highest grade stainless steel (18/8), Crafted without seams which prevents bacteria growth and allows for easy cleaning, Autoclavable, Size: 4 in
Go Direct* Optical Dissolved Oxygen Probe, with Micro USB Cable, Range: 0 to 20 mg/L, 0 to 300%, Measure primary productivity or biological/biochemical oxygen demand, Explore the interdependence of plants and animals, Monitor watersheds over time
Go*Temp, Temperature sensor, Collect temperature data directly through the USB port of a computer, teacher package, temperature graph plotted in real time