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DROK AC Power Meter, AC 80-300V 100A Voltage Current Color LCD Display Panel, Digital Voltmeter Ammeter Watt Active Power Energy Battery Monitor Multimeter Volt Amp Meter with Current Transformer CT

4.6 4.6 out of 5 stars 1,188 ratings

$22.99
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4 Datas Color
80-300V 100A
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Purchase options and add-ons

Brand DROK
Power Source Battery Powered,electric
Style Close Transformer
Color 4 Datas Color
Item Weight 0.01 Ounces

About this item

  • Parameters: DROK ac power meter voltage measuring range is AC 80-300V, current measuring range is 0-100A, active power range is 0-30000W, electric energy range is 0-9999999kWh.
  • Color LED Display: the watt meter panel adopts clear LCD displaying accurate voltage, ampere, active power and electric quantity measuring values.
  • Special Design: our ac voltage display designed with a switch for clear electric energy and come with a 15.5mm CT, with fast measuring speed of 2 times/s.
  • Auto Store & Memory Function: when power off, the electric energy data will be stored and memorized, can be reset.
  • Note: 1). The wires of voltage input terminal (green) and CT secondary input terminal (blue) cannot be connected wrongly, or the meter will be damaged. 2). The screen cannot be squeezed during installation, or there will be garbled code or break code.

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Package Dimensions ‏ : ‎ 5.24 x 2.17 x 1.81 inches; 0.01 ounces
  • Item model number ‏ : ‎ 200199
  • Date First Available ‏ : ‎ December 20, 2016
  • Manufacturer ‏ : ‎ DROK
  • ASIN ‏ : ‎ B01MRZAFAF
  • Customer Reviews:
    4.6 4.6 out of 5 stars 1,188 ratings

From the brand


Product Description

power energy meter
parameter

clear color lcd display

power energy clear key

CT

Clear Color LCD Display

  • 52*26mm color LCD screen.
  • Display voltage, current, active power and electric quantity values simultaneously.
  • All data will be clear at a glance.

Power Energy Clear Key

  • When power off, the electric energy data will be stored automatically.
  • The accumulated electric energy can be cleared by the button above.
  • Clear method: Hold press the button for 5 seconds, and the accumulated electric energy will be cleared.

Current Transformer

  • Comes with a 100A CT.
  • CT Inner Diameter: 15.5mm
  • CT Outer Diameter: 27mm
  • Note: Please use the attached CT to measure, otherwise the measured value may be inaccurate.

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Customer Reviews
4.6 out of 5 stars
1,188
3.8 out of 5 stars
12
4.4 out of 5 stars
994
4.4 out of 5 stars
2
4.4 out of 5 stars
177
Price $20.70 $19.99
Measuring Value Voltage, current, active power, battery electric energy, power frequency, power factor Voltage, current, power, energy Voltage, current, power, energy Voltage, current Voltage, current
Measuring Voltage Range AC 80.0-300.0V DC 7~20V DC 6.5~100V AC 80V-300V AC 80V-300V
Measuring Current Range 0-100A 0~20A 0~100A 0.1-100A 0-100A
Measuring Power Range 0-30000W 0~400w 0~10kw - -
Measuring Energy Range 0-99999kwh 0~9999999kwh 0~9999kwh - -
Measuring Frequency Range 45.0Hz-65.0H - - - -
Measuring Power Factor Range 0.00-1.00PF - - - -
Display LCD Color Display LCD Color Display LCD Display LCD Display LCD Color Display

Product guides and documents

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Customer reviews

4.6 out of 5 stars
4.6 out of 5
1,188 global ratings

Customers say

Customers like the performance, accuracy, ease of installation, readability, and appearance of the electric circuit testing device. For example, they mention it works awesome, accurate, and simple to hook up. They appreciate the clear display and high contrast screen. That said, some complain about the accuracy at lower amperages. That being said, they like the value, quality, and brightness.

AI-generated from the text of customer reviews

151 customers mention131 positive20 negative

Customers like the performance of the electric circuit testing device. For example, they mention it works awesome, is pleased with the results, and is thrilled with the performance. Some say it works great to monitor a current limiter built for testing and playing antique radios. It also works perfectly down to 74V and provides good results on a 220V system. Customers say it's handy and a great addition to provide information about the amperage, voltage, and other parameters.

"...These work great so far. They seem pretty accurate and were pretty easy to install...." Read more

"...Only the second day since installing, it works really well, accurate voltage, current is as expected and kWh charge agrees as to what my Leaf says...." Read more

"does a good job, measurements come out to be what I expect" Read more

"Worked great to monitor a "current limiter" built for testing and playing antique radios." Read more

120 customers mention98 positive22 negative

Customers like the accuracy of the electric circuit testing device. They say it is easy to use and reads accurate voltage and current. Some customers also mention that the meter is excellent and handy for determining how much power various items in the RV draw. They also say that monitoring power usage has never been easier.

"...Mine is reading accurate voltage and current.Only negatives are the placement of the temperature connection and non standard size...." Read more

"...These work great so far. They seem pretty accurate and were pretty easy to install...." Read more

"...This unit shows 8 values including Power Factor and Temperature. I connected both to 100 watt lamp to validate the accuracy...." Read more

"...Only the second day since installing, it works really well, accurate voltage, current is as expected and kWh charge agrees as to what my Leaf says...." Read more

88 customers mention77 positive11 negative

Customers find the electric circuit testing device easy to install and use. They say the provided instructions are understandable, but brief and may not cover all use cases. Customers also mention that the wiring is straight forward and externally for cool look and ease of access.

"Love how it looks, the easy installation and easy to read layout...." Read more

"...These work great so far. They seem pretty accurate and were pretty easy to install...." Read more

"...after the switch, and feed the black wire through the toroid.....straight forward, though electrical knowledge and following safety rules is..." Read more

"...find an instrument that is compact, accurate, small, colorful, easy to use and INEXPENSIVE like this one for this price?..." Read more

43 customers mention40 positive3 negative

Customers find the display of the electric circuit testing device easy to read. They appreciate the multi-colored display, back-lit display, and clear resolution. They also say the reading appears to be reasonable and easy to see.

"Love how it looks, the easy installation and easy to read layout...." Read more

"...The display is readable from all angles and bright enough for all day use in my garage...." Read more

"...Accurate, easy to read. at this price, I'm going to order one or two extras...." Read more

"...I'm really happy with this product. It reads accurately within about 0.1V compared with a Fluke 302 Clamp meter... good enough for me." Read more

42 customers mention42 positive0 negative

Customers are satisfied with the appearance of the electric circuit testing device. They mention that it looks good, has a nice display, and has great contrast. Some say that the display colors are vibrant and clear. Overall, most are happy with the product's appearance and functionality.

"Love how it looks, the easy installation and easy to read layout...." Read more

"...Very clean look. Only reason for 4 stars is because of the extremely short CT wires...." Read more

"...I got the one with the split core CT. It's nice, but the core is a bit large for putting in the panel...." Read more

"...The display is excellent...." Read more

42 customers mention42 positive0 negative

Customers are happy with the value of the electric circuit testing device. They say it's amazing for the price, saves them no money, and works well considering the cost. Some customers also mention it'd be a great purchase for anyone looking for a quality product.

"Most reviews already summed up everything pretty well. It's a good price and is reasonably accurate, but not perfect...." Read more

"...that is compact, accurate, small, colorful, easy to use and INEXPENSIVE like this one for this price?..." Read more

"...Considering it's approachable price tag I wanted to get one. I was a bit confused with the color display as I have not see this style/tech before...." Read more

"...I haven't tested how precise the measurements are, but they are reasonable, and show believable results when I turn on the A/C and other appliances...." Read more

26 customers mention19 positive7 negative

Customers like the quality of the electric circuit testing device. They say it has a good build, reliable, and holds up well over time. Some mention that it's a solid digital meter and that it works well for the price.

"...It's been very reliable and all I need to do to reset the monitor is to push the reset button which is very difficult to see but is on the face of..." Read more

"...I looked at many other meters and this one seems to be very good quality and reasonably priced." Read more

"...Returned my 1st one because the display flickered/quivered at a hypnotizing rate...." Read more

"This is a high quality meter. I have several DROK products and the always work and look great." Read more

20 customers mention14 positive6 negative

Customers like the brightness of the electric circuit testing device. They mention that the display is very bright and easy to read, readable from all angles, and bright enough for all day use in their garage. They appreciate the back lit blue back ground and white number display.

"...The display is readable from all angles and bright enough for all day use in my garage...." Read more

"...ended up choosing the DROK AC Power Meters because of the bright and high contrast display...." Read more

"...The 2nd also has a display issue but it is a very slight dull horizontal line dimming the entire screen from bottom to top...." Read more

"...Excellent brightness and visibility...." Read more

EV Charger Meter
4 Stars
EV Charger Meter
This meter is exactly what I needed to measure the power and energy to charge my EV car. First to clear up a lot of confusion based on the reviews of this meter. It will read 240V using the two hot leads (Black and Red wires in the US electrical system. You only need one CT (included) to measure the current going through one of the hot wires to measure the energy being consumed, you don't need two CT's. The CT wires are really short for some really stupid reason that only the manufacturer understands, but is easily extended if needed with extra wire and wire nuts. I installed my meter in a 6x6x4 box so I had lots of extra room for the CT and the 6 gauge wire running through it to my EV Charger. Very clean look. Only reason for 4 stars is because of the extremely short CT wires. But the power, voltage, current, and energy used all show exactly what my EV charger shows, I just needed this to keep track of total energy for a month instead of just one charging sessioin that my charger records.
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Top reviews from the United States

Reviewed in the United States on June 12, 2023
Color: 8 Datas HD ColorSize: 80-300V 100A PROVerified Purchase
Love how it looks, the easy installation and easy to read layout. Have it set up on my Tesla charger and the readings are extremely accurate.

Have seen other reviews where it wasn’t reading 240v but have determined that is due to improper installation. Mine is reading accurate voltage and current.

Only negatives are the placement of the temperature connection and non standard size. The temp sensor is on the bottom at the very front that prevents installation prior to mounting the meter. It just makes it a little tricky to plug in but not a big deal.

I installed the meter using a 4”x4” surface mount junction box set 9” above charger. This allowed for the sensor to be contained in the box and temp probe reaches the charger.

I custom designed and printed a box cover/faceplate to mount the meter and make for a really clean display. A printed 7mm mounting spacer for the junction box placed the box exactly in line with the charger.

I am very happy with the end result. Feel free to look me up if you’d like your own custom faceplate mount.
Customer image
5.0 out of 5 stars Works great for EV charger
Reviewed in the United States on June 12, 2023
Love how it looks, the easy installation and easy to read layout. Have it set up on my Tesla charger and the readings are extremely accurate.

Have seen other reviews where it wasn’t reading 240v but have determined that is due to improper installation. Mine is reading accurate voltage and current.

Only negatives are the placement of the temperature connection and non standard size. The temp sensor is on the bottom at the very front that prevents installation prior to mounting the meter. It just makes it a little tricky to plug in but not a big deal.

I installed the meter using a 4”x4” surface mount junction box set 9” above charger. This allowed for the sensor to be contained in the box and temp probe reaches the charger.

I custom designed and printed a box cover/faceplate to mount the meter and make for a really clean display. A printed 7mm mounting spacer for the junction box placed the box exactly in line with the charger.

I am very happy with the end result. Feel free to look me up if you’d like your own custom faceplate mount.
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6 people found this helpful
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Reviewed in the United States on January 4, 2023
Color: 6 Datas ColorSize: 80-300V 100AVerified Purchase
I have a pretty decent sized generator for running my house when we loose power (it has happened 3 times in the last month alone :( ). I have a 50 amp power hook-up in my garage that backfeeds my breaker panel through a generator breaker with the main breaker interlock. I thought my generator had a power meter on it to see how loaded it is, but it didn't. Being in the boonies, we have no gas service of any kind so everything is electric in the house. With the 50 amps, we can run anything, but can't run it all at once, so we need to stage certain things on. I made a little power meter panel with these so that I can tell how much we are pulling to see if I need to turn stuff off to run other stuff.
These work great so far. They seem pretty accurate and were pretty easy to install. As other reviews have said, it would be nicer if the current sensor wires were a little longer. Wasn't a big deal for this project since I was able to make it into some terminal blocks and then ran from there with a longer wire, but I can what a pain for a couple cents worth of additional wire. The only other complaint I had was that a cutting template or at least some dimensions would have been nice for making the panel opening. I had to wing it and did ok, but still wound up with a small gap on one side of the screens. The screen rim is pretty small so you can't be more than 2 mm off with the hole size.
3 people found this helpful
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Reviewed in the United States on November 28, 2022
Color: 8 Datas HD ColorSize: 80-300V 100A PROVerified Purchase
I bought two (KWS-AC301 50v-300v/100A Pro+) of these to do a load study while planning my solar power system. This unit shows 8 values including Power Factor and Temperature. I connected both to 100 watt lamp to validate the accuracy. Voltage and current readings on both units were within 1% of my Klein professional meter. Power Factor displayed 1.0 which is correct since it was a pure resistive load, and Kwh calculated correctly over time. So the good news is they passed the bench test with flying colors.

I've had them connected to my 240v well pump. I take daily readings at the same time each day to determine daily usage. Current flow is 8.2A, right in line with the pump manufacturer's specs. The run time feature makes it really easy to determine how long the pump actually runs each day and the kwh consumption.

A couple of comments regarding using this data correctly and comments from others regarding inaccurate or confusing information:
1. There are several comments about kw not calculating the same as volts multiplied by amps. This is most likely NOT an error in the meter because this is AC power, not DC power. Unless the load is purely resistive, (most are not) kw will NOT equal volts multiplied by amps (known as VA or Volt-Amps). This is due to something called Power Factor (Google it). If the overall load is inductive (i.e. motors, fans, pumps, refrigerators, freezers, etc) or capacitive (i.e. Computers, TVs, etc) kw and VA will not be the same. If your meter does not display Power Factor, you can calculate it by the formula PF = watts/(volts x amps). Typical power factor for homes range from .75 to 1.00 depending on what is running in the home at any given time.

2. 240 VAC split phase measurements - You need to understand the load you are measuring in order to get the correct reading. If you are measuring a single device (such as a well pump, dryer or EV Charge Station) they typically are 240V "split phase". You can measure this with ONE meter. Put the probe on ONE wire. It will display 120 volts. There is no neutral wire so the amps flowing in the other leg is the same. Take the kw reading and multiply times two, because the meter is showing 120 volts, but the actual circuit is 240 VAC. You could also install two meters and simply add the kw values. If the panel is feeding multiple 120 volt circuits using two primary legs L1 and L2, you should use two meters - one on each leg. A 120 volt circuit has current flow through the neutral, so the current flow on L1 and L2 may be different. With that said, the CT diameter of these coils is small - this meter may not work depending on the size of the conductors you want to measure. You won't be able to measure the current flowing through your 200A main panel.
40 people found this helpful
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Top reviews from other countries

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Elvis mora
5.0 out of 5 stars Great product
Reviewed in Canada on July 12, 2023
Color: 6 Datas ColorSize: 80-300V 100AVerified Purchase
Everything is good about it I will recommend it easy to install
Great results
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Elvis mora
5.0 out of 5 stars Great product
Reviewed in Canada on July 12, 2023
Everything is good about it I will recommend it easy to install
Great results
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Xelloss99
5.0 out of 5 stars Great for measuring power draw and kWh usage for 240V equipment
Reviewed in Canada on February 7, 2019
Color: 4 Datas ColorSize: 80-300V 100AVerified Purchase
I got this for measuring the power draw and kWh usage for my car charger and it works great. It is about the size of a 1 gang switch and was fairly easily adaptable to a 4 inch square electrical box in this case. The display fits nicely behind a 1 gang Decora style wall plate opening and you can easily access the reset button.
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Xelloss99
5.0 out of 5 stars Great for measuring power draw and kWh usage for 240V equipment
Reviewed in Canada on February 7, 2019
I got this for measuring the power draw and kWh usage for my car charger and it works great. It is about the size of a 1 gang switch and was fairly easily adaptable to a 4 inch square electrical box in this case. The display fits nicely behind a 1 gang Decora style wall plate opening and you can easily access the reset button.
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3 people found this helpful
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ニャン太郎
4.0 out of 5 stars 安くて使い勝手がよい
Reviewed in Japan on November 13, 2021
Color: 4 Datas ColorSize: 80-300V 100AVerified Purchase
4台購入の内1台不良でしが 
早急の対応していただき有難うございます。
John
5.0 out of 5 stars Well built, works great, looks great, accurate
Reviewed in Canada on April 26, 2024
Color: 8 Datas HD ColorSize: 80-300V 100A PROVerified Purchase
Very well built and accurate energy meter, that is really accurate. Super easy to install and hook up.
Provides excellent information to keep track of energy and performance of the power consumption. The temperature probe is a great addition. Either mount onto a surface for the surface temperature, or leave loose for ambient temperature.
Customer image
John
5.0 out of 5 stars Well built, works great, looks great, accurate
Reviewed in Canada on April 26, 2024
Very well built and accurate energy meter, that is really accurate. Super easy to install and hook up.
Provides excellent information to keep track of energy and performance of the power consumption. The temperature probe is a great addition. Either mount onto a surface for the surface temperature, or leave loose for ambient temperature.
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Jade
5.0 out of 5 stars Fun gadget easy to wire
Reviewed in Canada on June 8, 2020
Color: 4 Datas ColorSize: 80-300V 100AVerified Purchase
I can’t speak to its accuracy but it’s readings are very believable I use built it into a power cord for my pc to see what kinda usage it was getting, screen is bright colours look good was easy to use and wire into my use all in all a fun gadget for my use