The Best Network and Cable Testers 2025

1. Sperry Instruments ET64220 Lan WireTracker Tone and Probe Wire Tracer, Identifies Coax, CAT 5, Speaker, Phone, any Non-Energized Wire

This wire-tracer is a must-have tester for audio/video installer and data com technicians. This multi-purpose wire tracer is able to identify a variety of wires including CAT 5, coax, speaker, phone and any non-energized wires.

Adaptor plugs include: RJ-45, RJ-11, coax, automotive fuse blade and insulated clamps Audible and visual indication Adjustable sensitivity and positively identifies a single wire when multiple wires are routed in close proximity Operates from (2) AAA batteries for the transmitter and (4) LR44 batteries for the receiver (included) Features an auto-shutoff after 45 minutes. Features an auto-shutoff after 45 minutes.

2. Cables Unlimited Smartronix Superlooper Gigabit Loopback Tester

The Gigabit Loopback Jack and Plug is designed to conveniently be available when needed. Quickly and easily checks the RX/TX pairs of 1000base network cables, helping to determine if a network signal exists or if there are broken or shorted wires within the cabling. The Gigabit Loopback Jack and Plug is backward compatible with 10base and 100base networks.

Cables Unlimited Smartronix Superlooper Gigabit Loopback Tester Application/Usage: Network Network (RJ-45): Yes Device Function: Short Circuit Testing Network (RJ-45): Yes Device Function: Short Circuit Testing

3. Greenlee CMT-80 600-Volt 400-Amp AC Durable Compact Automatic Electrical Tester

Greenlee has been going strong for more than 145 years and continues to be the preferred brand of tools and equipment for the electrical contractor. From hole making and bending to test and measurement, you can depend on Greenlee tools to outlast and outperform the competition every time. This Greenlee Electric Tester includes a hassle free, automatic measurement of amperage, voltage and resistance. It has a unique compact design for measuring in those tight spaces. It also has auto off for a longer battery life. This tester comes with one 9 V battery, test leads and a carrying case.

Comes with test leads, one 9 V battery and carrying case Greenlee 600V/400A automatic electrical tester automatically measures voltage, amperage and resistance Stray and in.ghostin. readings are minimized by low impedance feature Compact size and shape makes obtaining measurements in small or hard to reach places easy Measures up to 400 Amps AC and 600 volts AC/DC Stores high priority measurements via data hold feature

4. GE 52056 Continuity Tester that Check Breaks in Fuses/Electrical Conductors

GE 52056 Continuity Tester that Check Breaks in Fuses/Electrical Conductors

DETAILS BRAND GE LENGTH 7.3 PART NUMBER JAS52056-PETRA WIDTH 2.75 HEIGHT 1.1 WARRANTY NINETY DAY LIMITED DESCRIPTION Checks for breaks in fuses & other electrical conductors UL listed Requires 1 AAA battery GE 52056 Continuity Tester

5. 50 Pieces Network Tool Repair Kit, Ethernet LAN Cable Tester Computer Maintenance Coax Crimper Tool for RJ-45/11/12 Cat5/5e with Connector Accessories and Socket Set

Allows network technician to install, maintain, and troubleshoot complex networks. This tool kit accommodates a range of cabling types, termination and connector systems

Fully demagnetized tools offer you full protection of computer hard drive or magnetic media from damage Contents: LAN Cable TesterTests RJ45, UTP, 10 Base-T, Token Ring, RJ-11/RJ-12 USOC and Coaxial BNC CableTest Cable for Continuity, Short, Open and Check Cable TypeSeparated Remote Units Allow One Person Testing Reversible Ratchet Handle 10pcs Assorted BitsSlotted: 5, 6mmPhilips: PH1, PH2Pozi: PZ1, PZ2Star: T10, T15, T20 1pc Adapter Bit for Socket 5pcs Socket Set: 3/16" - 1/4" - 5/16" - 11/32" - 3/8"

6. Behringer CT100 Professional 6-in-1 Cable Tester

The CT100 accepts every type of cable you might use in a recording or live performance situation: XLR, mono and TRS phone (¼ ", 1⁄8", TT), RCA and even MIDI. Choose from 3 modes: Cable Test, installed Cable Tester or Tone. The CT100 can check for continuity, intermittency, the presence of phantom power and grounded shields. Because this handy tool runs on two AA batteries you can carry it in your pocket, or clip it onto your belt – and be ready to troubleshoot at a moment's notice. Small Solution The CABLE TESTER CT100 is the smart, portable and unbelievably affordable way to ensure your next show or recording session runs smoothly. Ask your BEHRINGER dealer about the CT100 today, or place your order online. With the trustworthy CABLE TESTER CT100 in your kit – a faulty cable will never come between you and your audience

Behringer CT100 Professional 6-in-1 Cable Tester

7. Klein Tools 69133 - Continuity Tester

Klein Tools 69133 - Continuity Tester

Klein Tools 69133 - Continuity Tester

8. Cables Unlimited Smartronix Superlooper T1/E1 Loopback Tester

A simple and compact product, The T1 Loopback Jack and Plug quickly and easily checks the RX/TX pairs of T1 circuit cables helping to determine if a signal exists. It can be plugged directly into a T1 CSU/DSU or can be attached to the end of a network patch cable. If a signal is present T1 Loopback Plug sends the signal back to the source illuminating the port light.

Cables Unlimited Smartronix Superlooper T1/E1 Loopback Tester Application/Usage: Network Network (RJ-45): Yes Device Function: Short Circuit Testing Network (RJ-45): Yes Device Function: Short Circuit Testing

9. Cables Unlimited Smartronix Superlooper Gigabit Crossover Tester

The Gigabit Crossover Adapter is a small, convenient tool that converts any standard Ethernet patch cable to a crossover cable for 1000 BASE networks. The Adapter is designed to conveniently always available when needed. Used with a standard Ethernet patch cable, the Gigabit Crossover Adapter can network two computers in a Gigabit network without requiring a hub.

Cables Unlimited Smartronix Superlooper Gigabit Crossover Tester Application/Usage: Network

10. CIRCUIT TEST MINI

CIRCUIT TEST MINI

CIRCUIT TEST MINI