HHO is an explosive gas!!! Be very alert when performing this test. Use common sense to prevent HHO explosion: no flames, no sparks, no children (or unwarned adults), use eye protection. Use a switch to start and stop the Electrolyzer and make absolutely sure that all electrical connections are tight before starting the test, so sparks cannot reach the HHO from bad connections. Be aware that badly built Electrolyzers may cause sparks by loose or improper connections within them, so perform this test only with a properly built, properly connected Electrolyzer. Perform this test in a well ventilated area, and do not leave the Electrolyzer on for more time than is necessary to complete this test. There is no risk of explosion unless you do something stupid, however you are using this information at your very own risk.
We've come across a simple way to measure HHO production. Before we try to describe it in words, if you're connected to the Internet you can watch this cute video created by Sid Young
and his 12-year-old grandson:
If you have trouble watching this movie, here's a textual version of this technique:
0. First of all The Electrolyzer must be air-tight, no leaks! Seal it by gluing the electrical terminals and everything else that may leak HHO (or let vacuum in), as well as add a gasket or O-ring inside the Electrolyzer's lid. More about leak prevention
1. Take two half gallon (2-liter) plastic bottles. Mark them "Bottle A" and "Bottle B".
2. Calibrate bottle "B": mark a line on this bottle at about 3" (76 mm) from the bottom (this would be your "0 oz" or "0 ml" mark) and fill it to that mark with water. Use a measuring cup to measure 8 oz (or 250 ml) of water into this bottle. Mark that level. Continue doing this until you have FOUR units marked, for a total of 32 oz (or 1,000 ml). Don't worry if you do not have a metric measuring cup, we're going to fix it later in the calculation formula.
3. Drill a ½" (12.7 mm) hole in both bottles, at around 2.5" (63 mm) from the bottom.
4. Connect the two bottles together with a small piece of 3/8" (10 mm) tubing, making sure to glue (Plumbers Goop or Gorilla Glue) both sides so there's no water leakage. Additionally, glue the bottles together for stability.
5. Drill another ½" (12.7 mm) hole in bottle "A" and insert a long piece of 3/8" (10 mm) tubing (gluing again to prevent water leakage), which will be used as the input from the Electrolyzer.
6. Drill a hole in the cap of bottle "B", and insert a piece of ¼" (6 mm) tubing into that cap (will be used to reset this device to start over).
7. Fill bottle "A" with water to near the top, and screw the cap on tightly.
8. Fill bottle "B" to the 3" (76 mm) mark with water.
9. Connect your Electrolyzer to the tubing from bottle "A", and apply power to it.
10. Watch the water go from bottle "A" to bottle "B" as your HHO bubbles fill up bottle A - and replaces its water with HHO. Make sure to time it precisely. Stop your time measuring when the water level reaches the top mark. You can actually stop at any of the marks, and we'll adjust it in the formulas. However the higher mark you reach, the more accurate your calculation would be.
Unscrew the cap from bottle "A", and blow into the tube coming out of the cap of bottle "B", pushing the water from bottle "B" back into "A" until the water level is back at the zero mark. Screw the cap tightly on bottle "A" and start over.
Let's assume that you have moved (displaced and replaced with HHO) 1000 ml of water, and it took 60 seconds to do so. Your production rate, then, is 1 liter per minute! If you have a different number of seconds measured AND YOU HAVE DISPLACED 1000 ml, use this simple formula:
Divide 60 by the number of seconds = Your HHO Production Rate.
For example if it took 30 seconds to displace 1000 ml, then your production rate is 2 liters per minute.
What if you have displaced less than 1000 ml?
Divide 60 by the number of seconds, then multiply by the number of MILLILITERS displaced, then divide by 1000.
For example if it took 45 seconds to displace 250 ml, then your production rate is 0.33 liters per minute.
In case you've marked fluid ounces in Step 2 above:
Divide 60 by the number of seconds, then multiply by the number of OUNCES displaced, then divide by 33.81
For example if it took 28 seconds to displace 32 ml, then your production rate is 2.02 liters per minute.