1. Test measurement at 2 l/m (120 l/h)
Did I write purchase warning earlier? For what today’s test has shown, this term is actually still placed far too mildly. But let’s just start by comparing the flow sensors at two values that do not represent the minimum or maximum of the measurement series, but both mark exactly the area where most custom loops start or start at flow. Stop. How about 120 l/h, i.e. 2 l/m? The Keyence shows me exactly these desired 2 l/m of a constant volume flow in the measurement setup:
The Pacific TF1 from Thermaltake initially displays 90 l/h, i.e. 1.5 l/m and as if that were not enough, this value begins to alternate after a few minutes of operation from the third comparison measurement and then suddenly fluctuates between 84 and 92 l/h back and forth. I used 88 l/h as an average later in the charts. That is clearly not enough! Too little to “measure” over 30 l/h is already very oblique and emphasizes the toy character of the TF1. But it’s even more oblique!
Our friends of Barrowch lie with their 3.19 l/m in direct comparison then something of far too high that one rubs one’s eyes in amazement. That’s almost 192 l/h, something that never happens in life. The whole thing shocked me quite a bit and it will be interesting to see how the entry-level drug of 60 l/h will work.
2. Test measurement at 1 l/m (60 l/h)
Since I prefer to carry out the elaborate measuring series with multiple assembly and measurement well prepared, there is a first plausibility check at 1 l/m, i.e. 60 l/h. So let’s ensure a constant volume flow of 1 l/h. I believe that this flow can also be recorded by the two digital display holders as a value.
Pustekuchen! The Thermaltake Pacific TF1 simply adjusts the function during measurement and only jumps at a volume flow above approx. 1.1 l/m (66 l/h). This limit is reproducible. The part thinks that it has fallen below 0.5 l/m (30 l/h) and it beeps to God’s mercy. I voluntarily pull the plug.
And the device from Barrowch? It displays the first (and only) a value that is approximately true. However, the drivage stops here at approx. 0.66 l/m (40 l/h), so that will be nothing. Especially since the results below 1 l/m (60 l/h) are all always lower and lower. So here, too, one reaches into the conscious pile of mistletoe. Unusable across the board.
Finely graded measurements and comparison charts
So, let’s get to the curves of terror and first take a look at the values in liters per minute. We can see very nicely that the curve of the Aqua Computer High Flow from the previously linked test of the curve of the Keyence is already quite close. With the TF1, Thermaltale is surprisingly quite constant on line within the measurable range, but also always far too low and adjusts the measuring operation far too early.
I examined the part again and checked whether the paddle wheel really ran free. It does, even if the camps are nactually none. This is low-cost at its finest, nothing more. However, Barrowch’s FBFT03 is even more graceful at denying the actual flow values. One starts far too low, only to later above 1/m (60 l/h) so that the fish in the neighboring aquarium would get head-scratching.
For all those who can’t do anything with l/m, I’ve recorded this again in l/h. It looks just as pretty ugly:
Finally, let us finally turn to the gains and losses. The deviations of both flow sensors are so extreme that you simply should not use them. This is a fully submerged fairytale hour that can mislead the devout worshipper of digital displays (the Barrowch sensor even has two decimal places!) so much that there is either too much or too little pressure on the boiler. Measurement really shouldn’t be called that anymore.
Finally, someone asked how it could be that with only a single cooling component, you can lose around 80 l/h in the circulation. If he had measured with the Barrowch FBFT03, it would have been similarly disgusting. But just look for yourself:
Summary and conclusion
Take the 50 Euros (or whatever you just wanted to throw out the window) and buy the children a fat pot of ice cream or a bottle of supple shampoo for the Holde, depending on the. But do not deceive yourself with such false detectors, the purpose of which is solely to camouflage and deceit. Those who like to lie to themselves in their pockets are of course welcome to strike. As an underwater dominam, the two test objects are quite good, because it is guaranteed to hurt. If you really want to do something good for yourself and the system, buy yourself, for example. a high flow of Aqua Computer, even if the Blinki blinki is missing, or leaves it completely.
Then at least you know what you’re reading. And before the oppressive soup shrugs off the hoses, because you push through far too much water (thermaltake), or you do not dare to drive the pump higher (Barrowch), because the flow meter already fakes the heaviest swell, then one better dispenses with the display and concentrates on finding the truth. What the high-flow really lacks is the gamer-modding-blinkmichtot optics, I’m quite compliant with that. But you can only live with these values, the Custom Loop by the way.
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