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๐ Test smarter, not harderโstay connected with Extech CT20!
The Extech CT20 is a compact, battery-powered continuity tester featuring remote and local testing capabilities. Its bi-color LED probe enables quick polarity and continuity identification, while its lightweight, pocket-sized design ensures easy portability. Ideal for professionals needing efficient, one-person wire and cable diagnostics with modular RJ11 connectivity and rugged durability.

| ASIN | B000LYTTRK |
| Best Sellers Rank | #137,452 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #615 in Multi Testers |
| Brand | Extech |
| Brand Name | Extech |
| Color | green |
| Colour | green |
| Customer Reviews | 4.5 out of 5 stars 1,950 Reviews |
| Global Trade Identification Number | 00793950000205 |
| Included Components | Product & Instructions Guide |
| Item Dimensions | 5.6 x 2.9 x 9.1 centimeters |
| Item Weight | 0.1 Kilograms |
| Item dimensions L x W x H | 5.6 x 2.9 x 9.1 centimeters |
| Item weight | 0.1 Kilograms |
| Manufacturer | Extech |
| Measurement Type | Ohmmeter |
| Minimum Operating Voltage | 9 Volts |
| Model | CT20 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | CT20 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Specification Met | CE |
| Style | Standard |
| Style Name | Standard |
| UPC | 013161042406 793950000205 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 149 Degrees Fahrenheit |
D**M
Great continuity tester
Great little continuity tester - nice load remote with a bright light - trace 2 cables at once - it tells you if polarity is reversed - can't complain for the money - even comes with a battery and case
B**S
Excellent outil, trรจs pratique pour tout รฉlectricien !
J'ai rรฉcemment achetรฉ ce testeur de continuitรฉ sans fil et je dois dire que je suis extrรชmement impressionnรฉ par sa performance. Tout d'abord, sa compacitรฉ le rend trรจs pratique ร transporter, ce qui est un รฉnorme avantage pour moi car je suis constamment en dรฉplacement sur diffรฉrents chantiers. En ce qui concerne sa fiabilitรฉ, je n'ai rencontrรฉ aucun problรจme jusqu'ร prรฉsent. Il dรฉtecte efficacement la continuitรฉ et ce que j'apprรฉcie le plus, c'est qu'il donne รฉgalement la polaritรฉ grรขce ร la couleur du voyant allumรฉ. C'est un dรฉtail ingรฉnieux qui rend l'utilisation de cet outil encore plus intuitive. En plus de cela, sa construction est solide et bien conรงue, ce qui le rend durable et prรชt ร rรฉsister ร une utilisation rรฉguliรจre sur le terrain. Je peux vraiment compter sur lui pour effectuer mes tests รฉlectriques en toute confiance. En rรฉsumรฉ, ce testeur de continuitรฉ sans fil est un outil indispensable pour tout professionnel ou bricoleur sรฉrieux. Compact, fiable, et offrant des fonctionnalitรฉs supplรฉmentaires telles que la dรฉtection de polaritรฉ, il est vraiment bien sous tous les rapports. Je le recommande vivement ร tous ceux qui recherchent un outil pratique et performant pour leurs travaux รฉlectriques.
O**R
Probador de continuidad
Funciona correctamente.
A**A
Semplice e utile.
Bell'aggeggino. Semplicissimo da usare e moto utile.
K**N
Time and frustration saver
Valuable diagnostic tool, and easy to use. If you've ever fiddled with a mixed up three way switch just go ahead and buy one now. Read the instructions so you understand how it works, and DO NOT hook it up to energized wires. I keep some spare 5mm x 20mm 0.5A fuses in the bag with it just in case.
Trustpilot
3 days ago
1 month ago