KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V, Live/Null Wire Tester, Electrical Tester with LCD Display, Buzzer Alarm, Wire Breakpoint Finder-HT100 (Red)
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I only tried a couple of walls near light switches where I knew there were elec wires with switches turned on. Near the wires, the meter would register about "1 line high," but it would also cause the meter to blink the same way in places on the wall where there were no electric wires! I performed the test on both the regular and the Supper Sensitive settings. So it MIGHT give you an idea of where the wires are, but it's unlikely because there are far too many false readings to be certain. However, if you're taking readings without any sheetrock in the way, this meter is fantastic.
I took my test pencil outside and pointed it at the PowerLine, which gave me a reading, indicating that it can detect high voltage from a distance, but that this is not its intended use.
No, it can't work with DC power; it only works with AC power.
The voltage of other wires in contact with the line you're testing, as well as the proximity of the line you're testing, will determine how long it takes. A live reading will occur if any wires are live and close to the test line. My Fluke and Amprobe testers both exhibit this behavior.
Selected User Reviews For KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V, Live/Null Wire Tester, Electrical Tester with LCD Display, Buzzer Alarm, Wire Breakpoint Finder-HT100 (Red)
The device's manual receives a 0 out of 5 star rating. The majority of it is illogical. You're better off using the Amazon product description, which is written in plain English and includes helpful illustrations. br>br>For me, the "Live Wire Testing" described on Amazon's website does not work. The LCD screen background changes to red when I insert the tip of the tester into the "live" side of the socket, as shown in the image. That never happened in my house with any of the sockets. The LCD background changes to red when I remove the outlet cover and place the tester tip next to the "live" wire, as shown in the image. br>br>However, I don't consider this a deal-breaker because the device still beeps and flashes when the tester tip is inserted into the hot side of a wall outlet; the LCD background, however, does not change color as shown in the picture. br>br>What I likebr>1) the flashlight is useful when working inside a dark outletbr>2) the LCD has a built-in "signal strength" meter that can help me distinguish neutral or hot wiresbr>3) the audible beep and bright flashes provide very clear feedbackbr>4) the Low Sensitivity mode is useful for low voltage wiring like doorbell wiringbr>5) the audible beep and bright flashes provide very.
To troubleshoot Christmas tree lights, I purchased this tester. I had several light strings on which only half of the bulbs were turned on. There were far too many bulbs to try the old method of replacing one at a time. I bought the HT100 tester after seeing how to check the bulbs with an ac tester on YouTube. Each string of lights took about 15 minutes to isolate the defective bulb. This is fantastic. The tester is well-made, performs admirably, and costs less than two strings of Christmas lights. I had multiple light strings, so I figured it paid for itself, and I'll be able to use it in the future.
I was hesitant at first because I didn't want to electrocute myself. Every video I saw said to use a voltage detector to make sure the wires were safe. I went to Amazon to see if I could find this little guy for less than $20. It's in perfect working order, and it even came with AAA batteries already installed. When you turn it on, you can adjust the sensitivity, which I found to be very helpful. I could even see how the lines were run by tracing them on the wall. When I pointed to the transformer outside my house, it began to beep "Hi-Ho-Ho-Ho-Ho-Ho-Ho-Ho-Ho-Ho-Ho-Ho- "Voltage" flashed on the screen, and the color changed to red. It's a cool idea. I installed breakers and new wiring to some 220/240V appliances in a safe manner. I was quite pleased with myself for completing everything safely and correctly. I'm not sure how often I'll use this, but for the price, it'll be a welcome addition to my toolbox.
br>This one is the heaviest and, in my opinion, has an excessive number of features. br>The high red live voltage alert graph was displayed on a USB cable; perhaps this is a defect that isn't present on all testers. br>The instructions are useless and amusing. br>I bought this based on the reviews, but I'm not sure why it got a rating of more than four stars. br>I can come up with at least two better testers: br>the fluke and commercial electricbr>This is far too sensitive for the electrician, and how could anyone give it a better rating than the fluke, perhaps because it is half the price?.
The HT100 from KAIWEETS is the subject of this review. $13 was the price I paid. It'll set you back $99. In general, this unit is excellent. I have a more expensive voltage detector, but it only measures 90 volts at the start. As a result, it is ineffective for low-voltage applications. The dual voltage sensitivity is one of the features that I like about this unit. I was able to locate unshunted Christmas light bulbs that met my low voltage / high sensitivity requirements. The detector performed admirably in high sensitivity mode. In low sensitivity mode, I also used it to replace a plug outlet. It was an excellent solution. The dual-use flashlight/sensitivity button is one minor flaw in my opinion. When the unit is first turned on, it is set to a low sensitivity mode, which is appropriate for outlets and live ac wires. The word "Low" appears on the LCD display as well. Switching to high sensitivity requires a brief press of the flashlight/sensitivity button. This setting causes the flashlight button to glow. The "Low" word keeps appearing on the LCD display, which is a problem. There is no distinct high sensitivity button, and the lcd display does not provide word feedback to indicate "high" sensitivity, which is a little confusing. The only thing you have is a glowing flashlight and a sensitivity button. If you don't read the instructions, the unit becomes less intuitive. That is the only minor snag. Also, while this unit appears to be identical to one sold by Tacklife, it is a few dollars less.
I'm a licensed electrician with over ten years of experience. I've used it on systems ranging from 480V (where death is almost certain) to 12V AC. It works like a charm! It's far more sensitive than the inductive testers used by my coworkers, and it also appears to be more durable than many others. Only the pocket clip, which I used on a tool bag rather than a regular pocket, has broken after a year of use. Because of the beep, I can frequently lean it against a wire, walk down the hall to the panel, and turn off breakers until the beeping stops, saving time and trips back and forth. This tiny tester is fantastic! A few pointers: br>br>
1. Paint insulates the voltage, so if your wire has a lot of paint on it, compare it to the Neutral or Ground wires using the high sensitivity mode. You'll probably pick up some induced voltage in the other wires, but THIS tester will show whether or not your hot wire is hot.
2. The signal is dampened when I place my finger on one side of the probe tip and the wire on the other. For improved sensitivity, I suggest holding the tester on the battery side of the screen rather than the tip.
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