Electrolysis Water Machine, 200W Stainless Lab Dry Hydrogen Oxygen Generator for Teaching and Thermal Processing Electrolysis Water Machine This is a dry hydrogen and oxygen generator, the reaction process is intuitive and clear, easy to explain the principle, can be used for teaching and thermal processing High efficiency and high gas production.Good heat dissipation Package Included 1 x power cord 1 x valve Please allow 1-3CM differs due to manual measurement Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding Specification Main Material: Stainless Steel Input voltage: AC 100-240V Power: 200W Size: 20*30*35cm Note It may not include the adapter plug, you need to buy it separately Read more Usage method Sodium hydroxide is dissolved in water to form saturated solubility. The liquid is poured into the reactor along the copper tube at a height of about 3/5. Twist the copper tube and add more than two-thirds of the water to the adjacent acrylic tube. Open the valve. Half a minute after electrification, exhaust air and ignite again. If you need to shut down, please turn off the valve first and then turn off the power supply. Read more Anti-backfire Protection Please wait for more than half a minute to ignite again to prevent the tempering Valve Do not close the valve after electrification. Close the valve and disconnect the power supply immediately if you need to close it Sealing Test We'll do the sealing test so it's normal to have water inside the product. The temperature of burning gas is too high to be touched by hand. Read more