What measurements does the PZEM-005 combine?
It reports pack voltage, load or charge current, load resistance and a five-segment SOC bar that you can set [Elektroda, kkknc, post #17047295]
Panel meter. Voltmeter, ammeter etc.
TL;DR
- Panel voltmeter combines voltmeter, ammeter, resistance measurement, and a five-position battery charge indicator in one small panel meter.
- The backlight turns on with a brief SET press, and a 3-second SET press lets the discharge and charge thresholds be customized for each cell or pack.
- Operating voltage is 2.8-30V, current measurement is 0-10A, resistance measurement is 0-999Ω, and measurement accuracy is 2%.
- Without backlight it draws about 65uA at 12V, rising to 480uA with backlight enabled, and the display is split into four sections.
- The store listing shows a version without a housing, while the physical unit arrives with a panel enclosure; the English manual also raises some reservations.
Generated by the language model.
Hello today, my first review in this section. Panel voltmeter visible above.
I decided to present an interesting voltmeter, ammeter, charge indicator and resistance measurement. All in one small device.
The manufacturer named them in the PZEM-005 manual. Although it is different in the description of the store.
In this code it is defined a bit differently. But on the other hand, there's a bigger description.
The device itself comes with a fairly solid manual in two languages. I do not comment on the Chinese version, but I have some reservations about EN.
Device bought here.
Li-ion 18650 lithium battery Capacity Current Voltage Detector tester meter LCD-Y122
http://s.aliexpress.com/JN36BR7B?fromSns
As you can see, the store shows the version without the housing, while the physical device comes with a panel housing.
I took off the back cover to have a complete set in one shot.
And this is the instruction.
Normally, after connecting the power supply, the indicator is not illuminated and consumes at 12V about 65uA. After switching on the backlight, the power consumption increases to 480uA.
This is what it looks like without backlight,
And so with.
To turn on the backlight, just press the set button briefly.
As you can see, the screen is divided into 4 parts. We have a quite accurate voltmeter and ammeter for this resistance measurement and a five-position indicator of the remaining amount of energy in the battery. Which is freely customizable.
After pressing the set button for three seconds, you can set the voltage at which the indicator shows the discharged battery and at which it is charged.
So it can be adapted to each cell and battery pack. Of course, in the measuring range.
From the technical data:
Operating voltage range 2.8-30V
Current measurement range 0-10A
Resistance measurement 0-999?
To be more precise, it has been divided into 3 ranges.
And energy measurement every 20% (five lines), which, as I wrote, can be freely set. In the range of 2.8-29.9V
Measurement accuracy 2%
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Comments
A nice thing, only the whole price is missing in PLN / $ and the link :) [Read more]
I miss what you are. ;) Everything is there to see. After all, the link has been inserted. Between the 2nd and 3rd photos. [Read more]
Not that I'm picking on, because this is your first review as you write, but as the main photo there should be something more relevant to the topic than the packaging, from which nothing comes out... [Read more]
You know first there is the packaging ...... And I started with that, that's the style. What to do. ;) And beautiful and nice photos are in the link. Even a Chinese court for copyright would probably... [Read more]
Style with style, but now imagine 20 entries in sequence and each one puts a photo box at the beginning ... Now quickly find among all the articles, for example the one you read a few days ago and want... [Read more]
Buddy, I'm not angry because there's nothing to ask for. If someone can reasonably explain their point, why not. A real virtue ... I can put something in there at the beginning. You're we... [Read more]
I wonder what the parameters of such a miracle really look like .. I would argue with that 2% accuracy I also read at the auction: Resolution: when the resistance is less than 10 ?, the resolution is... [Read more]
It is sometimes the spread of a given series or range. I did the measurements with a separate meter quite well. At this resolution, the measurement is rounded, but correct. So there is nothing to pick... [Read more]
In fact, it's just a measure of package voltage and receiver current / resistance. It lacks the measurement of the internal resistance of the cell. I don't see any security circuits in the h... [Read more]
In this money, he would be surprised, and it would be a big surprise. [Read more]