US$ 18.99
this kit ships with a wave generator
restoring UV-C output in the compatible goggle sanitizer cabinet once the original lamp reaches end of service life
Mid-low-range resistance box stepping from 10 ohms to 100 ohms in 10-ohm increments on a single rotary dial
sized to drop into the demonstration meter and reconfigure it as a center-zero ammeter
Phenol Red Dextrose Differential Medium Size:500g this kit ships with aColor change indicator distinguishes bacteria by their ability to ferment dextrose, shifting from red to yellow when acid fermentation products accumulate.