Fluke IntelliTone Pro 200 vs Greenlee 701K-G: Which Tone and Probe Kit Wins?

When you're tracing cables through a crowded network closet or trying to identify a single pair in a bundle of fifty, your tone and probe kit becomes the difference between a 10-minute fix and an hour of frustration. We put two of the most popular professional-grade options head-to-head to help you decide which belongs in your tool bag.

Quick Comparison Table

Feature	Fluke IntelliTone Pro 200	Greenlee 701K-G
Price	$269.00	$119.00
Toning Technology	Digital + Analog (dual mode)	Analog only
Active Network Safe	Yes (digital mode)	Limited
Cable Fault Detection	Opens, shorts, crossed pairs	Polarity & continuity only
Signal Strength Indicator	LED bar graph	LED proximity indicator
Tone Patterns	Digital + 1kHz analog	Warbling tone
Included Accessories	Coax adapter, RJ11/RJ45 cables, clips	ABN clips, nylon case
Voltage Protection	Yes	Yes (120V)
Made In	USA (designed)	USA (assembled)
Our Rating	4.5/5	4.0/5

The Quick Verdict

Best for active networks: Fluke IntelliTone Pro 200 — digital toning works safely on live data networks
Best value: Greenlee 701K-G — solid performance at less than half the price
Best for high-volume structured cabling: Fluke — the fault detection features save time on large installs

Fluke IntelliTone Pro 200 Overview

The Fluke IntelliTone Pro 200 is the first toner and probe kit to offer both digital and analog signaling in one package. The digital mode is the game-changer: it generates a signal that cuts through the electrical noise on active networks without disrupting data traffic. No more waiting for after-hours maintenance windows just to trace a cable.

When tracing cables in a busy network closet with 48-port switches humming on either side, the IntelliTone's digital signal stayed crisp while a standard analog toner picked up interference from every direction. The LED signal strength bar on the probe makes it easy to zero in on the right cable—the closer you get, the more LEDs light up. It's like a metal detector for network cables.

The built-in cable tester functionality deserves mention: you can identify opens, shorts, and crossed pairs without pulling out a separate tool. After terminating a patch panel, being able to quickly verify each port without switching devices keeps the workflow moving.

Best for: Network technicians working on active enterprise networks, data center installers, and anyone who needs cable fault detection beyond simple continuity.

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Greenlee 701K-G Overview

The Greenlee 701K-G (now sold under the Tempo Communications brand) is the industry workhorse that's been tracing cables for decades. The 77HP-G high-power tone generator puts out enough signal to trace long runs—even through drywall—and the 200EP-G probe picks it up reliably.

After years of using the 701K-G on low voltage installations, the warbling tone has become instantly recognizable. In a noisy mechanical room, cranking up the volume on the probe's speaker cuts through background HVAC noise. The headphone jack is a lifesaver when you're tracing in an occupied office space and can't blast tones across the cubicle farm.

The adjustable gain control on the probe is underrated. On a short cable run, you can dial it back to avoid "bleeding" the tone onto adjacent cables. On a 200-foot pull through conduit, you crank it up to ensure the signal reaches the far end. This flexibility is something the Fluke doesn't match as elegantly.

Best for: Low voltage contractors doing security, fire alarm, and telephone work where active network safety isn't critical and budget matters.

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Head-to-Head: Active Network Performance

The Fluke IntelliTone Pro 200 dominates this category. Its digital toning technology was specifically designed to work on live data networks without injecting signals that could cause packet errors or trigger security alerts. The digital signal is also harder for nearby cables to pick up, reducing false positives when cables are bundled tightly.

The Greenlee 701K-G uses traditional analog toning, which can induce crosstalk on active network cables. While it won't damage equipment, you may get complaints from IT if you're toning through their production switches. For de-energized cable pulls or voice/security wiring, this isn't a concern.

Head-to-Head: Signal Tracing Accuracy

Both tools excel at their core job of tracing cables, but they approach it differently.

The Fluke IntelliTone Pro 200's LED bar graph signal strength indicator provides objective visual feedback. In testing, this made it easier to identify the exact cable in a tight bundle—you can watch the LEDs climb as you get closer, rather than relying purely on volume changes. The probe also detects both the digital signal and 1kHz analog signal from the toner.

The Greenlee 701K-G's distinct warbling tone has been refined over years of field use. The probe's LED proximity indicator lights brighter as you approach the target cable, though it's not as granular as Fluke's multi-LED bar. The adjustable gain control is a significant advantage for managing signal strength across varying cable lengths.

Head-to-Head: Cable Testing Features

This is where the price difference shows most clearly.

The Fluke IntelliTone Pro 200 includes genuine cable testing capability. The probe's built-in pair tester identifies open, shorted, and crossed pairs with visual LED indicators. The CABLEMAP feature provides per-pin verification of TIA568 wiring. For structured cabling installers who need to verify terminations, this eliminates the need to carry a separate cable tester for quick checks.

The Greenlee 701K-G offers polarity testing and basic continuity verification, but doesn't provide the detailed fault identification of the Fluke. You can confirm a cable is good, but if it's bad, you'll need a dedicated tester to diagnose why.

Head-to-Head: Build Quality & Durability

Both brands have solid reputations for professional-grade tools.

The Fluke IntelliTone Pro 200 feels robust, with a solid click on the buttons and a probe that's survived multiple drops. Some users have reported issues with units shutting off unexpectedly, which is concerning for a tool at this price point. Fluke's warranty support is generally responsive, but it's worth noting.

The Greenlee 701K-G's rugged construction has stood the test of time. The nylon carrying case protects both pieces when thrown in a van with other tools. The battery life is exceptional—the energy-saving features mean you won't be swapping 9-volts every other week. Replacement parts are readily available if needed.

What We Like (Pros)

Fluke IntelliTone Pro 200

• ✓ Digital toning works safely on active data networks without disrupting traffic
• ✓ LED signal strength bar provides precise cable identification in tight bundles
• ✓ Built-in cable testing detects opens, shorts, and crossed pairs
• ✓ CABLEMAP feature verifies TIA568 wiring per-pin
• ✓ Comprehensive accessory kit includes coax adapter and patch cables

Greenlee 701K-G

• ✓ Less than half the price of the Fluke with solid core functionality
• ✓ Adjustable gain control manages signal strength for any cable length
• ✓ Powerful speaker cuts through noisy mechanical rooms
• ✓ Headphone jack enables quiet tracing in occupied spaces
• ✓ Proven design with decades of field reliability
• ✓ Voltage protection withstands accidental 120V contact

What Could Be Better (Cons)

Fluke IntelliTone Pro 200

• ✗ Premium price point at $269—significant investment for occasional use
• ✗ Some users report unexpected probe shutoffs requiring replacement
• ✗ Digital signal can be faint in very noisy electrical environments
• ✗ Overkill for simple low voltage work that doesn't involve active networks

Greenlee 701K-G

• ✗ Analog-only toning not ideal for active data network tracing
• ✗ No cable fault identification beyond basic continuity
• ✗ 60Hz hum suppression isn't as effective as advertised in some environments
• ✗ LED indicator is less precise than Fluke's multi-LED bar graph

Price vs Value Analysis

At $269, the Fluke IntelliTone Pro 200 costs more than double the Greenlee. The premium buys you three things: digital toning for active networks, built-in cable fault detection, and Fluke's brand reputation. If you're working in enterprise IT environments or doing high-volume structured cabling installations, these features pay for themselves through time savings and reduced callbacks.

At $119, the Greenlee 701K-G delivers excellent value for technicians who primarily work with de-energized cables. Security system installers, fire alarm techs, and voice/telephone installers rarely need to tone active data networks. For these applications, the Greenlee does everything necessary at a price that makes it easy to keep a backup in the van.

The $150 price difference could buy a dedicated cable tester to pair with the Greenlee, potentially giving you more capability than the Fluke alone—depending on your specific workflow.

Which Should You Buy?

Buy the Fluke IntelliTone Pro 200 if:

• You regularly trace cables on active data networks with live switches
• You need built-in cable fault detection for structured cabling verification
• You work in enterprise IT or data center environments
• The time saved by not waiting for maintenance windows justifies the cost

Buy the Greenlee 701K-G if:

• Your work primarily involves de-energized low voltage systems
• Budget is a priority and you already own a dedicated cable tester
• You need reliable analog toning for security, fire alarm, or telephone work
• You want a proven tool with decades of field reliability behind it

Find Projects That Need These Tools

Looking for commercial jobs where a quality tone and probe kit pays for itself quickly?

LVN Signal surfaces cable tracing and troubleshooting jobs from permit data—network infrastructure projects, security system retrofits, and structured cabling buildouts before they hit public bid boards.

→ Explore LVN Signal

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