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Household LCD Multi-Function Voltage Circuit Tester RT-D99

Digg(178) ( 8 Reviews)
       
US $23.99
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If you own an aquarium, water cooler or filter, or other water purification system that uses a reverse osmosis membrane then the only way you will know if it's working correctly is to use a TDS tester. A reliable, safe and precision LCD Circuit Tester Pen for voltage testing! Handy voltage tester pen testing range between 12V to 250V AC/DC. Light in handle that glows when circuit connection is made. The tester pen can Help you find broken and live wires. Use the Circuit Tester to tests fuses, light sockets and locates short circuits. With the help of this voltage tester pen, you can easily find out hidden electicity wires out of surface and identify the exactly situation of the power sources. Use the Digital Circuit Voltage Tester to tests fuses, light sockets and locates short circuits. If you have a Voltage Tester means you can safely use it in nearly all types of electrical environments, order it now!
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Product Description

Specification
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  • Specifications:

    • Circuit Tester Pen testing range between 12V to 250V AC/DC
    • Applicable for directly detection of 12-250V zero line, indirect detection of DC AC power inner conductor, phase conductor and break-point detection
    • You hands should press on the sensor key when working
    • Digital display and spark sign appear / disappear to show either without or with broken point on the electricity cable of the loop
    • With the help of this Voltage Tester, you can easily find out hidden Electicity Wires out of surface and identify the exactly situation of the Power sources
    • It is very simple for every person to use this voltage tester pen, can replace the battery, carry out more convenient
    • Measure Voltage: 12-250V AC/DC
    • Color: Yellow

    Details:

    Household LCD Multi-Function Voltage Circuit Tester RT-D99

    • The voltage tester pen is for measuring voltage 12-250V AC/DC
    • With moderate size design, it will become handy when you check your holiday lights 

    Voltage Tester

    Circuit Voltage Tester

    • Feature LCD screen design, it is convenient for you to tested voltage in the dark
    • For directly check the voltage, just choose the button at the top

    Digital Circuit Voltage Tester

    • To check a broken point on a wire, hold the second button ( close to LCD)  
    • Use the Digital Circuit Voltage Tester to tests fuses, light sockets and locates short circuits

    How to Test for Voltage?

    Household LCD Multi-Function Voltage Circuit Tester RT-D99

    Before you begin any do-it-yourself job that requires you to work with or around electricity, it is best to turn the electric off. This is important for both safety and equipment issues. But in many homes the electric panels may not be properly labeled, and assuming you turned off the right breaker is a mistake waiting to happen. In order to be absolutely certain you turned off the right breaker, you have to test the circuit for voltage. Here is how to test for voltage.

    • Figure out which circuit you are going to be working on. Turn off the breaker that you believe is delivering the power to it. For a wall receptacle, many people will just plug a lamp into the outlet to see if the line is still hot. This is unreliable because if the bulb is blown, you may still be dealing with a live circuit. Always use a voltage tester to check for power.
    • Next, there are a number of different voltage testers available on today's market. Which one you prefer to use is up to you. If you are not well-versed in dealing with electricity, then I would recommend avoiding the multimeters that can be found in hardware supply stores. Multimeters feature multiple applications like testing for voltage, resistance and amperage. To keep matters simple, stick with a voltage-only tester.
    • The image you see here is a traditional voltage tester. The two leads get inserted into the two slots on a regular outlet (one lead in each slot). If the outlet is still hot, then the voltage indicator on the unit will notify you. If you have an outlet or switch already removed from the wall, then one lead will be placed on one of the "hot" terminals and the other lead gets placed on one of the "neutral" terminals. If you test it and nothing happens, the line is dead--but always double-check the work ability of your tester by testing it in an outlet you know to be hot before assuming the circuit is off!
    • This type of voltage tester is similar to the one above it, but it is a more basic version. It also features two leads, but with this tester, if voltage is present, there are lights that will illuminate to notify you.
    • The voltage tester you see here is called a "no-contact" voltage tester. It features a thin tip that fits easily in the slot on the front of a receptacle. When voltage is detected, the tip will illuminate and some models will alert you by audio as well. It is called "no-contact" because it does not have to touch the actual terminals on the electric component in order to read voltage. You can simply touch the tester's tip to a wire and it will notify you of voltage. The one drawback with this tester is that it is very sensitive, so if you have more than one circuit in a box, it may pick up on the voltage running through the other wires, even though the circuit you are concerned about is off.
    • Another type of voltage tester that works great for the do-it-yourselfer is the plug-type voltage tester. It resembles a regular plug and all you have to do is plug it in to a receptacle. There are a series of lights on the tester that will indicate if there is voltage detected. But these testers will also tell you much more. For instance, depending on which lights on the tester light up, you may determine that you have lost the neutral, the outlet may not be grounded properly or the wires may be reversed. The only downfall about this voltage tester is that it is only used for testing receptacles.
    • This is an area that can get quite involved as far as voltages go, but for the do-it-yourselfer, checking for voltage is a fact of whether the circuit is active or not. If you use a digital voltage tester and you notice a fluctuation in voltage or you get a reading above or below your normal house voltage, you should call in an experienced electrician immediately.

    How to Buy a Voltage Tester?

    Voltage Tester

    Buy a voltage tester to measure voltage in circuits, outlets and batteries. The basic models light up in relation to preset volts like 120 or 240 volts. The prices range from several dollars into the hundreds. The least expensive typically contains two probes, a neon light and measures up to 500 volts. Prices vary for residential, commercial and industrial environments. Purchase a voltage tester specifically for your needs.

    • Consider the type of voltage tester needed. Testers commonly test specific electrical applications. For example, an electrical fence voltage tester determines the presence of electricity through a fence.
    • Look for low-end voltage testers that test AC/DC, usually with neon bulbs that indicate the presence of volts. Pen type AC/DC with preset voltage amounts rank high for homeowners.
    • Examine the variety of battery testers for lithium, photocells, nickel cadmium and standard batteries. These test all kinds of batteries by using positive and negative probes with readouts in either digital or analog.
    • Buy a non-contact voltage detector to confirm the presence of voltage without electrical contact with the tester. Choose a model with visible and or audible indicators.
    • Purchase a plug tester designed for outlet receptacles. These either light up with the presence of voltage or remain blank with any absence. They plug in like any household appliance or device.
    • Determine your upper price range for a voltage tester. A digital multi meter provides more testing capabilities beyond voltage. Standard models measure voltage, current and resistance. A high-end voltage tester offers digital readouts with a large voltage range and quality construction.
    • Check out local electronic stores, home improvement outlets and hardware stores for hands-on experience before you buy.

    Package Included:

    • 1 x LCD Multifunction Voltage Circuit Tester Pen


Customers' Reviews

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  ( 8 Reviews)
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I have bought this product

Crystal Vierhout

Bought this item on

05-26-2011
00:00:00 05-26-2011 haven't had a problem Overall:  
  • Other Thoughts: I saw some negative reviews of non-contact voltage testers of varying brands, so I was worried. So far, I haven't had a problem with this tester.

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Nhat-Viet Phi

Bought this item on

05-11-2011
00:00:00 05-11-2011 worth buying Overall:  
  • Other Thoughts: This non-contact tester is well worth buying, especially if you do any home rewiring or otherwise poking around inside walls containing wiring.

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etienne toutant

Bought this item on

04-27-2011
00:00:00 04-27-2011 Great Buy! Overall:  
  • Other Thoughts: This is a tool everyone should have who works in any form of construction, form renovation of a house to industrial equipment installations. Great Buy!

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nasos voultsios

Bought this item on

04-06-2011
00:00:00 04-06-2011 I like it Overall:  
  • Other Thoughts: I use this tool fairly often and it has proved to be reliable and consistent. I like it that it has a visual and an audible signal.

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Randy Thatcher

Bought this item on

03-30-2011
00:00:00 03-30-2011 well made Overall:  
  • Other Thoughts: Worth the money, every detail is well made.

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HIGINIO

Bought this item on

03-08-2011
00:00:00 03-08-2011 Work safely Overall:  
  • Other Thoughts: This is one of the best tool investments you can make-absolutely essential for electrical, plumbing, remodeling, or demolition. Work safely

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Lambert Pascal

Bought this item on

02-23-2011
00:00:00 02-23-2011 Highly reccommended Overall:  
  • Other Thoughts: This instrument is audible and visual as well. Highly reccommended and inexpensive.

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Cindy Viviana Rivera

Bought this item on

02-09-2011
00:00:00 02-09-2011 this tool is awesome Overall:  
  • Other Thoughts: this tool is awesome, good thing is no direct contact needed, beeps are loud enough to warn you...good price too!

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