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This meter can only be used with one-phase AC power. And it can only measure the active power(real power). It doesn't show Apparent power.
This product to monitor the power consumption of your electronics, it can even be hooked up (2 of them) in your electrical box for whole house monitoring.
It can be used as a more precise "watt-meter" by plugging/unplugging/turning on household items.
Wire this meter up in a 20 amp circuit feeding some of your power amps.
Specifications:
Working voltage: 80 ~ 260VAC
Working frequency: 50/60Hz
Measuring:Accuracy: 1%
Power Consumption: 0.2W
Measurement speed: 2 times/s
Store data when power off
The blue backlight can be turned on/off manually
Test Range and Display format:
1.Power: test range: 0~22kW
1kW~10kW, display: 1000~9999W
> 10kW, display: 0.1~22.0kW
2.Energy: test range: 0~9999kWh
>10kWh, display: 10~9999kWh
3.Voltage: test range: 80~260V(single-phase)
Display: 80~260V
4.Current: test range: 0~100A
Display: 0.00~99.99A
Precautions:
1. Please make sure the AC input is Pure Sine Wave.(Municipal electric power is pure sine wave). Please don't use the meter to measure AC power converterd from a DC-AC inverter UNLESS you can make sure the output from your DC-AC inverter is Pure Sine Wave. This is very importatnt.
2. Applied load should not exceed the rated power.
3. Wiring order can not be wrong.
4. This module is suitable for indoor, please do not use outdoor.
Packing including:
1*AC Power Multimeter
Edwin C. Collins
Reviewed in the United States on June 29, 2024
This meter worked great for 2 days on my solar system. 70 vdc with less than 10 amps. All measurements were accurate. It was inside of a waterproof enclosure. No weather issues. Then this morning the display went out. Flashing like the device was still powered and measuring E and I. I removed the DC power and reapplied it to provide a reboot but it didn't change anything.
Taz
Reviewed in the United States on December 25, 2024
Display clear to read on my solar buildThrough camera monitor
Kindle Customer
Reviewed in the United States on November 13, 2024
Shows volts, amps, and watts, and accumulated watts (easily resettable), with a backlight if you turn it on. Easy to wire up. It measures about a volt more or less than other low-cost meters that I have, but I don't know which one (if any) is correct. The accuracy is good enough for my hobby project.
Richard Pavick Jr
Reviewed in the United States on October 9, 2023
I wanted something to accurately measure the amount of amps I was pulling from my inverter to run the lights in my greenhouse. I found this little meter to be very helpful and quite accurate. It at a great price. I bought my 1st one more than a year ago and it's still works perfectly on my other inverter. I found these meters to be a good item at a great price.
The Geek in Me
Reviewed in the United States on April 19, 2023
Hooked 2 of these up on roof heat tape circuits after one heat tape cable died last year and there was no way to tell. It could have resulted in ice dams which let water into the house. So now I can just look at these every day in the winter and insure they're drawing about the amount of electricity you see in the lower left of each unit. Pretty accurate too, as the left circuit has a single 500w heat tape cable on it. Close enough and this is the cable that failed last year. The right circuit has more cables attached to it but if it falls by more than 100w (20 foot cable), then I know something is wrong.
Thomas P. Shepherd
Reviewed in the United States on July 17, 2022
Bought 2 of these for a trade show demonstration of available power from a POE device. Worked like a charm and was able to show that there is sufficient current available to run accessory devices from the main unit. Like the fact that they were easy to recess mount into the display and looked really nice once installed in the displays.
Allen Hammack
Reviewed in the United States on January 5, 2021
Works well in my homemade power station and tester. Plan on using your experience or intelligence to know how to work its features, as mine had no instructions how to set the backlight or anything. Just 1 button on the face to hold or push for settings, and I really don't know what the settings all are or how to navigate them by just 1 button and no instructions. Easy to wire up, the diagram is on back of the case, and a small screwdriver is only needed
Kirill Kolyshkin
Reviewed in the United States on May 4, 2018
The item came fast and well packaged, and it's bigger that I thought it would be (which is good as most of it is a display). The input and output is clearly marked on the back of the unit, as well as in the manual. There is a single button which is used to turn the backlight (it's blue by the way) on and off, as well as to reset the unit (as it keeps the energy counter even if turned off).I have tested in with voltages from 5 to 20 V and with currents from 0 to about 2A. Both the voltmeter and the ampermeter are quite precise, compared to other measurement tools I have and trust: the voltage is within 0.05V, and the current is within 0.001A as far as I can see. Measurements change every second or so, which is less frequent than your average multimeter.The screen is well readable from left, right, and down sides, but less so from the up side that is usually the case with liquid crystal displays, so take that into accounting when you mount it.One other remark is, the description says the lowest voltage is 6.5V, which is true except the backlight only comes in from about 7V, so I would say if you're going to need a backlight, consider the lowest voltage at say 7.5V to be on the safe side. Now, the upper limits are 100V and 20A as per description and documentation, unfortunately I don't have equipment to push the device to its limits.Finally, I have tested the alarm function and it works fine. You can set the two voltage thresholds (upper and lower), and if the voltage is not within the range specifies, both display and backlight flashes rapidly. This might come handy if say you need to prevent your lithium battery from discharging too much (i.e. undervoltage).I am giving it five stars overall, but especially for its precision.
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