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Parameters:
- Voltage Measuring Range: DC 4.5-100V，Current Resolution: 0.1A
- Voltage Resolution: 0.01V under 10V; 0.1V between 10V and 100
- Current Measuring Range: 0.0-50.0A (If the current is higher than 20A, a shunt is required, or the meter will burn)
- Measuring Rate: ≥500mS/time
- Measurement Accuracy: 1% (±1 digit)
- Meter Opening Size: 46*27mm/1.81*1.06 inch
- Meter Dimension: 48*29*22mm/1.9*1.14*1.06 inch
- Shunt Size: 120*25mm/4.72*0.98 inch
- If the current cannot display properly, please check whether the wires are connected correctly.
- Small size, easy to carry,no space
- Working Temperature: -10℃～+65℃
- Working Humidity: 10～80% ( No Condensation)
- Working Air Pressure: 80～106kPa
- Color printing LCD, intuitive display,
- clear and recognizable
- Display: 0.39" LED dual display
- Shunt: 50A/75mV
- ABS flame retardant shell, made of excellent flame retardant material
- thickened design, fireproof and durable
- Sunlight: No direct exposure
Brad M.
Reviewed in the United States on September 10, 2024
One of the 2 works well. The documentation could be better, but it's not rocket science. The other one shows the max current, but it won't drop back down as the current drops. In all reality, for the cost, can't complain too much. Serves my purpose.
anonym
Reviewed in Canada on March 15, 2023
The voltage is accurate but the shunt are poor quality and even the adjustment potentiometer is not coarse enough to get the desired value. pay a little more and get better value! DONT buy these!
Barkyhill
Reviewed in the United States on April 3, 2023
Includes both Voltage and Current trim pots to fine-tune.Current shunt bridge is calibrated with a notch sawed in it. Coated with conformal coating to protect it from shorts.Current bridge must either be used or shorted.Otherwise, it displays a bogus value - 57A at 13.8VDC for mine.
Daniel Grant
Reviewed in Canada on June 3, 2022
The shunt and meter were checked for accuracy and both tested fine.
Eddiie
Reviewed in the United States on March 9, 2021
I got these and although they showed the voltage, they showed 0 amps. Reading other reviews I assumed they were bad like the rest. Ordered some from another vendor, plugged them in and had the SAME problem. 0 amps! OK, so it is NOT the meter. Turns out I had the thicker Red/Black wires reversed that measure the load. Changing them around resulted in AMPS APPEARING!!!!!!! AMAZING. hahaha So, if YOUR meters show 0 amps, I suggest re-checking your wiring. Flipping the thicker Red/Black wires around may fix it for you. Your mileage may vary. Some diagrams out there on the internet are probably wrong because I hooked it up according to what found on a google search.There is nothing wrong with the meters.
Rbets
Reviewed in the United States on March 19, 2021
Small package, no external parts, self contained, gives both volts and amps for a good price. Not sure why they provided 5 leads, but it works and it gets 5 stars.
Dennis S.
Reviewed in the United States on March 16, 2021
Cute little meter; I really like it! BUT...Be aware that the minus side of the amp meter is internally connected to the minus side of the power supply and volt meter. This means its APPLICATION is LIMITED to those projects where it is acceptable to monitor the current on the negative side of the load. I consider that undesirable, would rather monitor the supply current, but was able to switch my wiring. However, many applications won't allow that.If the amp meter was isolated, I'd have given it 5 stars.Accuracy seems to be "not bad for a $7 meter," a few tenths of a volt or amp.
Dale
Reviewed in the United States on February 24, 2021
The meter worked exactly as described. It is best for permanent installation but I was able to use it for a test application. The meter only measures positive current flow, it measures zero for reverse flow.
K2 Pro
Reviewed in the United States on February 12, 2021
A great volt/ammeter combo! Compact yet very informative. Both lines are easy to read and accurate. Installation isn’t difficult if you follow the detailed wiring diagram(s). The included shunt is robust.
Darren Wallace
Reviewed in the United States on November 15, 2020
After meticuluosly cutting a hole in my 20 amp 12 volt battery charger and mounting the shunt, wiring to spec. refused to work. I set up for isolated 12 volt supply with no success. tried the second setup on a test bed for verification. No luck! Been in the Electronics and Electrical industry since 1976, So with this background I feel secure in saying Nay to this product.
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