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DROK 100105 AC 100-300V 100A Digital Voltage Current Multimeter LCD Volt Amp Meter Gauge Panel Tester Voltage Amperage Dual Display Power Monitor

4.4 4.4 out of 5 stars 253 ratings

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Brand DROK
Power Source Battery Powered
Style Digital
Color Blue,Black
Item Weight 3.52 ounces

About this item

  • Wide measuring range: AC 80-300V; AC 0.1-100A; High accuracy: 1%.
  • Small size (70×40×39mm) and equipped with 15mm precision current transformer.
  • Requires no power supply and small terminal blocks for connections, easy and convenient installation.
  • Adopts high quality LCD display and bright blue back-light, easy to read.
  • This meter can be widely used with power distribution box, distribution cabinet, voltage regulators, teaching aids, household small distribution box.etc.

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 4.72 x 1.97 x 4.72 inches; 3.52 ounces
  • Item model number ‏ : ‎ 100105
  • Date First Available ‏ : ‎ July 11, 2013
  • Manufacturer ‏ : ‎ DROK
  • ASIN ‏ : ‎ B00DVH64HW
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.4 4.4 out of 5 stars 253 ratings

Product Description

Parameters: Accuracy: 1% +/- 2 digits Measuring Range: AC100-300V, AC0.1-100.0A (with sensor transformer) Power Consumption: 0.2 VA Measurement Speed: about 2 times / sec Dimensions: 70x40x40mm Installation Size: 68x38 mm (flush mounting) Sensor Pore size: 15mm Display: LCD, blue back-light, 3 digits Color Of Housing: Black Working Mode: Voltage and current dual display, 2-wires Usage:Power distribution box, distribution cabinet, regulators, teaching aids, household small distribution box and etc. Wiring sequence: 1.Connect current loop 2.Connect the AC power supply 3.Please do not touch any components and circuit,to avoid electric shock Note: 1.Can directly replace the 85L17 Analog current and voltage meter 2.This meter only fits with pure AC 50-60HZ power supply and should not be used for square wave, inverter output and sine wave circuit of modified sine wave. Package included: 1x Digital AC Volt Amp Meter 1x Sensor Transformer

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    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    253 global ratings

    Customers say

    Customers like the performance, ease of installation, value, appearance and quality of the electric circuit testing device. For example, they mention it works well, it's easy to wire and it looks good. Opinions are mixed on accuracy and size.

    AI-generated from the text of customer reviews

    85 customers mention75 positive10 negative

    Customers like the performance of the electric circuit testing device. They say it works well, is accurate, and is well suited to the job. Some mention that the meters work perfectly outdoors and are well adapted to their needs.

    "...the biggest wire size anyone would reasonably use, and work flawlessly on the 8 ga wires in my application...." Read more

    "...These little guys are well suited to the job. Shown in the pic is right after I spooled it up and tied to the buss...." Read more

    "...The meters worked perfectly outdoors, no issues." Read more

    "The GOOD:* Worked as expected first time.* Easy to install with built-in connectors with wire holding screws.*..." Read more

    31 customers mention25 positive6 negative

    Customers find the electric circuit testing device easy to install and use. They mention that there are only 2 connectors, making it easy to figure out. The electrical connections are simple, and the product comes right on time. Hookup was a snap.

    "...The electrical connections are simple, no solder clamps. They tighten down with a small slot screwdriver and hold well...." Read more

    "...works just like those earlier units, but the new case makes it much easier and safer for mounting purposes...." Read more

    "The GOOD:* Worked as expected first time.* Easy to install with built-in connectors with wire holding screws.*..." Read more

    "Wiring is simple, the display looks good.2 multimeters say that the outlet it's plugged into is at 125VAC. The display reads 137VAC...." Read more

    24 customers mention19 positive5 negative

    Customers like the value of the electric circuit testing device. They say it is great value for the money and is cheap.

    "...this product is being sold at a bargain price!" Read more

    "...Good value, will order more of these in the future." Read more

    "...Hard to believe the low price. Hope it lasts a while !! Thanks to all the reviewers who led me to buy this." Read more

    "...The CT's are a joke however. These are the cheapest C tease I've ever seen, and so small you can barely pass a piece of number for copper through it...." Read more

    15 customers mention15 positive0 negative

    Customers like the appearance of the electric circuit testing device. They mention it looks good, has a nice display, and has s good design. The readout is bright and has good contrast, making hand built projects look professional. Customers also say the screen is great, and the gray numerals are pleasant to the eye and easy to read.

    "...The displays are lit with a mellow blue glow and the gray numerals are pleasant to the eye and easy to read...." Read more

    "...They have a nice display that is easy to read in direct sunlight. I haven't tried in the dark so cannot comment on that visibility...." Read more

    "...Given the price, it works well. The readout is bright and has good contrast. Perfect for reading the instantaneous data it displays...." Read more

    "Wiring is simple, the display looks good.2 multimeters say that the outlet it's plugged into is at 125VAC. The display reads 137VAC...." Read more

    12 customers mention9 positive3 negative

    Customers like the quality of the electric circuit testing device. They mention it's reliable, sturdy, and accurate. Some say the screw connectors are of good quality. Overall, most are satisfied with the product's quality.

    "...The phoenix screw connectors are good quality...." Read more

    "This is a very good product that they have I need to show different colors but otherwise a good product" Read more

    "...The only con as I see it are the relatively fragile connectors. Hence the 4 stars instead of 5." Read more

    "This is a great product. Well manufactured and seems very acurate, easy to read in daylight. Makes hand built projects look professional." Read more

    11 customers mention11 positive0 negative

    Customers find the display of the electric circuit testing device easy to read. They say the numbers and components are very easy to see with the built-in light. The backlight, contrast, and parallax of the meter are also clear. Customers also say the device is perfect for reading the instantaneous data it displays.

    "...mellow blue glow and the gray numerals are pleasant to the eye and easy to read...." Read more

    "...They have a nice display that is easy to read in direct sunlight. I haven't tried in the dark so cannot comment on that visibility...." Read more

    "...The readout is bright and has good contrast. Perfect for reading the instantaneous data it displays...." Read more

    "...AC (which is fine), however the backlight, contrast and parallax of the meter is quite clear and readable from 35 through 135 volts AC...." Read more

    25 customers mention17 positive8 negative

    Customers are mixed about the accuracy of the electric circuit testing device. Some mention it's very accurate and wonderful, while others say that it'll display a false reading.

    "...As soon as I started cutting in systems they registered very accurately when compared to my amp clamp...." Read more

    "...Using these meters are more accurate than using some watt-meters because they don't all read the actual voltage...." Read more

    "...display the combined load curent correctly, but the voltage meter will still be misleading since it still will display 240V. I will stick on a..." Read more

    "...Voltage accuracy seems within the significant digits of the display (I did not test for current, but values seem reasonable)...." Read more

    9 customers mention5 positive4 negative

    Customers are mixed about the size of the electric circuit testing device. Some mention that the meters are perfect, small, compact, and easy to wire. However, others say that the wires on the CT are entirely too short, very tiny, and the leads on these are way too short.

    "...The CT ammeter coils are large enough to encircle the biggest wire size anyone would reasonably use, and work flawlessly on the 8 ga wires in my..." Read more

    "...First, as has been said before, the wires on the CT are entirely to short...." Read more

    "The amp/volt meters were perfect, small, compact, easy it wire...." Read more

    "...They are perfect for this and are inexpensive. The leads on these are way too short but that is easy to fix...." Read more

    Excellent as Generator Monitor
    5 Stars
    Excellent as Generator Monitor
    I recently deployed a new Wen 7KW inverter generator and I wanted to be able to monitor the load. These little guys are well suited to the job. Shown in the pic is right after I spooled it up and tied to the buss. Thus it is showing a pretty small load. As soon as I started cutting in systems they registered very accurately when compared to my amp clamp.Definitely worth repeating that these are not typical DIY items. If you don’t have a good working knowledge of electrical systems you could definitely do yourself harm or worse, burn down your house. Playing with line AC is no joke.Also as noted by others, you can calibrate them. I used a rig on my workbench powering a heat gun which pulls about 10 amps. Matched the Drok meters to what my amp clamp was telling me and they are now dead nuts. Simple!The only thing now is longevity. Hope they last!Hurricane season is here so there is a chance I’ll put this system to real time use (versus testing for an hour)
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    Top reviews from the United States

    Reviewed in the United States on April 7, 2015
    Reviewed in the United States on August 10, 2022
    Customer image
    5.0 out of 5 stars Excellent as Generator Monitor
    Reviewed in the United States on August 10, 2022
    I recently deployed a new Wen 7KW inverter generator and I wanted to be able to monitor the load. These little guys are well suited to the job. Shown in the pic is right after I spooled it up and tied to the buss. Thus it is showing a pretty small load. As soon as I started cutting in systems they registered very accurately when compared to my amp clamp.

    Definitely worth repeating that these are not typical DIY items. If you don’t have a good working knowledge of electrical systems you could definitely do yourself harm or worse, burn down your house. Playing with line AC is no joke.

    Also as noted by others, you can calibrate them. I used a rig on my workbench powering a heat gun which pulls about 10 amps. Matched the Drok meters to what my amp clamp was telling me and they are now dead nuts. Simple!

    The only thing now is longevity. Hope they last!

    Hurricane season is here so there is a chance I’ll put this system to real time use (versus testing for an hour)
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    2 people found this helpful
    Report
    Reviewed in the United States on February 6, 2016
    Customer image
    4.0 out of 5 stars Inaccurate, but fixable.
    Reviewed in the United States on February 6, 2016
    This is a good product, but the claims about 1% accuracy are way too high for the ac current readings. Using a calibrated current meter to verify, I saw readings of 7.9 amps on one meter and 7.1 amps on a second one instead of the actual 7.07 amps present. Now the 7.1 amp reading is good considering the 0.1 amp resolution of this meter, but the 7.9 reading on the other meter is way too high and results in a 11.4% error. I swapped the CT's between the two meters and the readings went along with the CT's, not the meter. So that told me that one CT was wound with too many turns of wire or that the meter was not calibrated to match the CT; but fortunately the meter can be calibrated to match the CT with the error. There is a small potentiometer on the circuit board closest to the display and that can be accessed through a hole in the other (rear) circuit board with a tiny screwdriver (aka, tweeker). Just remove the rear part of the case and hook up the meter. If you know the correct reading that should appear, then adjust the potentiometer to match that reading. There is no access hole in the plastic rear case, but you could cut one if you find it necessary to adjust this in the installed condition. Now both of my meters agree with the calibrated instrument. I'm happy with them and hope they last on my ac generator panel.

    Edit a few hours later. The meters are installed on my generator. They work fine.

    Followup Oct 17, 2017: Used the generator during a week of power outage following Hurricane Irma. The meters worked perfectly outdoors, no issues.
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    42 people found this helpful
    Report
    Reviewed in the United States on January 4, 2024

    Top reviews from other countries

    Eeemaster
    5.0 out of 5 stars This is a top quality product that I recommend never had an issue with one of these yet
    Reviewed in Canada on June 3, 2017
    3 people found this helpful
    Report
    Andrew
    5.0 out of 5 stars Great price and works well
    Reviewed in Canada on March 10, 2024
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    Andrew
    5.0 out of 5 stars Great price and works well
    Reviewed in Canada on March 10, 2024
    I am using this digital volt and ammeter to see how many amps my ev draws while charging. The display is bright, clear and easy to read.
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    Scott G.
    4.0 out of 5 stars great meter display - readable from a distance
    Reviewed in Canada on August 10, 2021
    Customer image
    Scott G.
    4.0 out of 5 stars great meter display - readable from a distance
    Reviewed in Canada on August 10, 2021
    These work very well; accuracy against an expensive RMS meter is generally within 1-2% when I tested. Replaced analog meters on the panel. Only problem I had was that I put two displays side-by-side in my service panel, (2 electrical services on the boat), and the back light was quite different on the second one. Amazon was very helpful in helping replace one so that the brightness was the same for both.
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    HW. Martin
    5.0 out of 5 stars Five Stars
    Reviewed in Canada on August 16, 2015
    Colin Trail
    5.0 out of 5 stars Good product
    Reviewed in Canada on February 9, 2021