Diffusion and Osmosis kit, Blood group identification, 4 Simulated Blood Samples, Simulated anti-A serum, Simulated anti-B serum, Blood typing trays, Toothpicks, to determine the blood type of four unknown samples
Diffusion and Osmosis kit, Includes: Agar, Bromothymol blue concentrate, Hydrochloric acid, Plastic cups, knives, stirrers, Cork borer Dialysis tubing, Microscope slides, Coverslips, Sucrose, Ovalbumin, Sodium chloride, Glucose QuickSolution, to study movement of water
Digital Counter For event counting, a fixed counting period can be programmed in a range from 0.1 ms to 99999 s. Counter events (e.g. start or stop) can either be triggered by a signal to the input sockets or manually via switches. The unit includes a plug-in power supply.
Nexpensive, compact counter for measuring milliseconds. Each count is started and stopped by a signal at the input sockets. The device is automatically reset to zero each time it is restarted.
Digital Luxmeter, economical solution for light measurements in a learning situations, the autoranging feature makes a one-button-and-done instrument, auto power-off conserves battery power, and other functions include MAX, MIN, and HOLD, Requires a 9V battery (not included)
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