Horizon Mini PEM Electrolyzer

Brand: Horizon Fuel Cell Americas
Product Code: 810012


Qty: - +
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These Horizon Mini PEM Electrolyzers, FCSU-010, will produce hydrogen and oxygen using only pure water and an external power source.  Take your pick of power sources: small solar panels, wind turbines, mechanical hand cranks or batteries.

Please note that according to the manufacturer, this product should not be operated for more than 1 hour continuously.


✔ Converts water into hydrogen and oxygen
✔ Fully compatible with the Horizon education range

Contents Include:

✔ Mini PEM Electrolyzer
✔ Pins
Banana cables / connecting leads
✔ User Manual


• Input Voltage: 1.8 - 3 V DC
• Input Current: 1 A
• Hydrogen Production Rate: 7 mL/min at 1 A
• Oxygen Production Rate: 3.5 mL/min at 1 A
• Dimensions: 2.1" x 2.1" x 0.7" (54 x 54 x 17 mm)
• Weight: 2.4 oz (69.7 g)

Need Extra Tubing? -  2mm inner diameter Silicon Tubing is a perfect fit for Horizon Educational products.

Need Hydrogen and Oxygen Storage Cylinders? - Get a pair of Horizon Education Cylinders.

Horizon Mini PEM Electrolyzer, FCSU-010 Classroom Instructions

How do I store the Mini PEM Electrolyzer when I am not using it?
It is highly recommended to place the PEM electrolyzer fuel cell inside an air-tight plastic bag, such as a “Ziploc Bag".  This will protect it when you are not using the kit.
Will the Mini PEM Electrolyzer be damaged if I switch up the positive and negative poles?
Yes, damage may result from the interchanging of the positive and negative poles on the Mini PEM Electrolyzer fuel cell and the connected power supply.
I left my Mini PEM Electrolyzer fuel cell out while not putting it in the Ziploc bag.  What should I do?
Leaving your Mini PEM Electrolyzer out while not in a Ziploc bag may cause the membranes in the fuel cell to dry out.  The membranes in the PEM electrolyzer fuel cell are to be used only when they are hydrated.  Inject water only into the positive (oxygen) side of electrolyzer and allow it to soak for 3 minutes.  The membranes will be damaged if connected to a solar panel or power supply when dry.
What is the recommended power supply?
It is highly recommended to use 3 W solar panel with 1A current or 2 new AA alkaline batteries with 1.5V as a power supply

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