Description
Designed for educational purpose and science classroom demonstrations in optics and light physics
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
Fine sand (1500g)
Phenol Red Dextrose Differential Medium Size:500g Designed for educational purpose andColor change indicator distinguishes bacteria by their ability to ferment dextrose, shifting from red to yellow when acid fermentation products accumulate.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy











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