Home › Forums › Panel Meter Support › Wiring Ammeter Dual
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harry fareDecember 2, 2016 at 9:51 pmPost count: 0
Hello harry fare,
Thank you for writing in.
Since there are many products with similar product title, it is hard for us to ensure which product you have bought?
Could you please tell us your order ID or the link of the product so we can find a solution more quickly?
Waiting for your reply.
Best regardsGeorgDecember 4, 2016 at 12:39 pmPost count: 0Hi!
I’ve bought the device from https://www.amazon.de/gp/product/B00H5KVG3I/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1 and I have really strange problems to operate it. I wired it like scheme 3. The current which is measured by a multimeter is 356 mA and the Ampermeter is displaying anything abuat 8.2 Amperes! By using the adjustement poti, I can reduce the displayed value down to 7 A, but not into the range to have the right value.
What I’m doing wrong?Kind regards,
GeorgHello Georg,
Thank you for writing in.
Could you please tell us more details of your application, such as the input voltage/current, the load, the wiring, the working environment?
If you can, we sincerely hope that you can send us some images to let us check the problem details.
With your help, we can find a solution more quickly.
Waiting for your reply.
Best regardsIanFebruary 20, 2017 at 4:08 pmPost count: 0PeterMarch 7, 2017 at 12:28 amPost count: 0Hello,
My B017FSED9I DC panel meter reads 20.8V when connected to my 12V battery as the ‘DC IN’.
The ‘LOAD’ is a 12v LED light that draws 0.8 amps.
The amp reading on the meter measures correct at 0.8A, but the voltage reading measures incorrect at 20.8v. It should be measuring about 12.7vdc.
Is there a calibration procedure for the meter?
Or is my meter defective / broken?
Thank you,
PeterLee BuxbaumJuly 11, 2017 at 12:05 pmPost count: 0I recently purchased six of your Drok Micro Volt Amp Meters, X000PTHDOX. I am using 2 of them to measure the voltage/current consumption of the hotend and another one to measure the voltage current consumption of the heated bed of my 3D printer. The hotend is powered by its own 12v/30A Power Supply and the heated bed is powered by its own 24v/15A power supply.I have an external 750mV shunt for each. I have attached a link to a block diagram of how I currently have it wired up.The problem I have had (4 times) is that the 24v meter smokes and dies when hooked to the 24v power supply. I have even switched the thin red and black wires to the 12v supply for power but to no avail. Please advise. ASAP.
Hello Lee Buxbaum,
Thanks for your business. Is this item that you have bought?
product link
You said you have attached a link, but we see no information about it. Would you please send it again?
In addition, did you write it up as the following picture showed?
Best regards.P. St. ArcherNovember 11, 2017 at 2:05 pmPost count: 0David ReichardFebruary 19, 2020 at 5:38 pmPost count: 0I recently bought two of the “Voltage Current Display, DROK DC 4.5-100V Digital Voltmeter Ammeter Multimeter Panel, 0-50A Volt Tester Meter Amp Detector, LED Voltage Amperage Monitor Gauge for Automotive Motor Battery” from Amazon. So far they seem great. I have two questions:
The wiring diagrams on the back of the meters show the standard wiring with the 50 Amp shunt. But they also show a separate plug in connector for 12 volt power. But it works fine without an extra 12 volt power supply, besides there is no such plug on the display. I suspect that instruction is for other models and does not apply to this one.
When I approach or exceed 50 Amps, I hear a beeping, probably coming from the display. I assume that is an overcurrent warning. It is a nice extra feature but is not documented. Is there any more info available? Like at what current does the beeping start?
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