I would say that if you want accurate measurements buy a 400$+ scale. This renpho is just an approximate measurement. People who want to pay cheap do not expect luxury fancy results. By the way I have the renpho and it work perfectly. I am fat bastard and I know I am over 30% of fat. It is just a tool for normal people trying to have a control of its weight. If you are really obsessed with-those 5% of body fat inaccuracy go to a nutritionist they have those fancy weight scales.
Not sure how these work but was under the illusion that they send a pulse through your feet, so i tested this and stepped on the scales with a heavy item and i gain 3% body fat
Yeah I think they do send a pulse through your feet, but the algorithm for body fat percentage is basically just a mapping from weight to body fat. If your weight goes up, it'll say your body fat % went up, at least this was the case for me.
@@Collective-TV I mean, 'algorithm' in this context just refers to formulas used to calculate body composition based on electrical impedance. The scale essentially electrocutes you and measures the resulting voltage, which is influenced by your body composition because muscles contain a lot of water, which influences electrical impedance. Having said that, anything that influences your electrical impedance will influence the readouts you get on your scale. So if you just took a shower for example, or just worked out, you'll get different readouts then in other conditions. I think the accuracy of these scales is not really that relevant for consumer products. Accuracy is quite difficult to even measure, but if you have a scale that is at least reliable (ie consistent in its readouts if the conditions are the same), it can be a very useful product because you can track at the very least how your body composition changes over time.
I agree I have the same scale. I’m skinny fat ( thin arms and legs with a gut). This scale never budges on the body fat and says I’m 15.6%. Just got a Dexa scan that said I was 29% body fat!
It would be really useful to read out the firmware on this thing and reverse engineer it. Another way to confirm this would be to just put fixed weights on it and vary the impedance of a conductor placed over the electrodes.
This review is very helpful, thanks. Unfortunately and at present, I have not found a single device that tracks body fat accurately compared to a DEXA scan. It seems like the impedance method is far from accurate.
Wow I just checked and you are right every single time I weigh in at a particular weight all the stats are exactly the same which makes no sense there should be some variability based on the BIA.
If you wre correct i doubt it would give 16% body fat meaurement for someone who is 5'7" 190lbs because technically that weight is obese (and scale said that) but the body fat % reading it gave is not.
True. It’s not measuring many things at all! It just goes up and down according to your weight. Just hold something heavy in your hands and the muscles mass will go up for no reason lol. Still good scale to have for cheap
Well of course, because you’ve altered one input to the calculation. The electrical impulse isn’t by itself, it’s an input to a formula along with the weight, height, age, etc.
I also suspected something like that. Mine is from Noerden but very similar. It also gives 'virtue points' based on age e.g. my 53 year old 5'6 mom should gain 6 more KG to reach her ideal weight of 60 KG, despite the fact that she has slim bones and stubborn stomach fat that only goes away under 48 KG
I also have a different scale that uses the same app (probably named differently but with a slightly different UI skin), and it wavered on bone density. Also made me question the validity
All the RENPHO smart scales models look the same, yet cost different.. the r-a001 (B09836N144) vs VC-ES-26BB-B (B07YFS6GXB) vs UK-R-A002-BK (B08SJPY5FS). Also how easy is it to switch between users? BTW, I heard the Amazon Halo was the best at body fat percentage, but it's been discontinued.
It's not that it's not absolutely perfect, it's that it doesn't do what it suggests it is supposed to do. It basically just tells you the same body fat % ratio regardless of your actual body fat %. The equivalent would be a scale which told you you were the same weight regardless of what weight was actually being put on it
