Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

EXTECH Tone and Probe Kit: TG20, Speaker Probe/Tone Generator - Tone Generator & Speaker Probe Kits
EXTECHTone Generator & Speaker Probe Kits

EXTECH Tone and Probe Kit: TG20, Speaker Probe/Tone Generator

The EXTECH TG20 Tone and Probe Kit is a tone generator and speaker probe kit designed for tracing voice and data cables. It includes a tone generator and tracer probe with an RJ11 connector and RJ11 adapters…

SKU 3G-OTH-179216

Also listed as: TG 20 · TG-20

Brand
EXTECH
Item
Tone and Probe Kit: TG20, Speaker Probe/Tone Generator
Category
Tone Generator & Speaker Probe Kits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

EXTECH
Manufacturer Part Number
TG20
Type
Speaker Probe/Tone Generator, Tone Generator and Speaker Probe Kits
Includes
Tracer Probe
IP Rating
Not Rated
Alert Type
Light
Waterproof
No
Data Logger
No
Kits Include
Tone Generator
Product Type
Tone Generator and Probe Kit
Connector Type
RJ11
Include Combined
Tone Generator
Adapters Included
RJ11
CAT Safety Rating
Not Rated
Data Safe Monitor
No
Operating Voltage
9V DC
Testing Functions
Line Polarity Indication
Compatible Cable Type
Telephone
Calibration Certificate
Not Included
Port Number Display - New
No
For Use With Broad for Kits
Voice and Data Cables
For Use With Broad for Kits NEW
Voice/Data Cable

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

EXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EXTECH TG20 Tone and Probe Kit is a tone generator and speaker probe kit designed for tracing voice and data cables. It includes a tone generator and tracer probe with an RJ11 connector and RJ11 adapters, operating on 9V DC. The kit provides line polarity indication testing and features a light alert type.

Frequently Asked Questions

What is the EXTECH TG20 Tone and Probe Kit used for?

The EXTECH TG20 Tone and Probe Kit is used for tracing voice and data cables, including telephone lines. It helps technicians identify and follow specific cables in bundles or at patch panels, using a tone generator and tracer probe with line polarity indication.

What are the specifications of the EXTECH TG20?

The EXTECH TG20 is a tone generator and speaker probe kit with RJ11 connector and adapters. It operates on 9V DC, includes a tracer probe, and provides light alert type for line polarity indication testing. It is not rated for waterproof or data logging use.

Where to buy the EXTECH TG20 worldwide?

You can source the EXTECH TG20 Tone and Probe Kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring the kit reaches your facility reliably.

How to use the EXTECH TG20 for cable tracing?

Connect the tone generator to the cable using the RJ11 connector, then use the tracer probe to detect the tone along the cable path. The light alert indicates line polarity. For best results, follow standard cable tracing practices and avoid high-voltage lines.

Used in

Common applications for EXTECH
HVAC system diagnostics — EXTECH AN340 vane anemometer for air velocity and humidity measurement
Industrial machinery maintenance — EXTECH 461995 laser tachometer for RPM and surface speed checks
Food and beverage quality testing — EXTECH RF12 analog refractometer for Brix concentration measurement
Refrigerant leak detection — EXTECH RD350 heated diode leak detector for R-513A systems
Environmental monitoring — EXTECH RH490 data logging hygro-thermometer for temperature and humidity logging
Lighting inspection — EXTECH LT300-NIST light meter for illuminance measurement in workspaces

EXTECH Products

3G Electric supplies EXTECH tone generator & speaker probe kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
FLUKE NETWORKS Tone and Probe Kit: MT-8200-60-KIT, Speaker Probe/Tone Generator, Voice/Data Cable
FLUKE NETWORKS
FLUKE NETWORKS Tone and Probe Kit: MT-8200-60-KIT, Speaker Probe/Tone Generator, Voice/Data Cable
FLUKE NETWORKS Tone and Probe Kit: 26000900, Speaker Probe/Tone Generator, Voice/Data Cable, RJ11
FLUKE NETWORKS
FLUKE NETWORKS Tone and Probe Kit: 26000900, Speaker Probe/Tone Generator, Voice/Data Cable, RJ11
FLUKE NETWORKS Tone and Probe Kit: PRO3000F60-KIT, Tone Generator and Speaker Probe Kits, RJ11, RJ11
FLUKE NETWORKS
FLUKE NETWORKS Tone and Probe Kit: PRO3000F60-KIT, Tone Generator and Speaker Probe Kits, RJ11, RJ11
TRIPLETT Tone and Probe Kit: CTX590A, Case/Speaker Probe/Tone Generator, Voice/Data Cable, RJ11/RJ45
TRIPLETT
TRIPLETT Tone and Probe Kit: CTX590A, Case/Speaker Probe/Tone Generator, Voice/Data Cable, RJ11/RJ45
TRIPLETT Tone and Probe Kit: CTX690, Case/Spare Tip/Speaker Probe/Tone Generator, F-Type/RJ11/RJ45
TRIPLETT
TRIPLETT Tone and Probe Kit: CTX690, Case/Spare Tip/Speaker Probe/Tone Generator, F-Type/RJ11/RJ45
TRIPLETT Tone and Probe Kit: CTX30, Speaker Probe/Tone Generator, Voice/Data Cable, CTX30 Sound, LED
TRIPLETT
TRIPLETT Tone and Probe Kit: CTX30, Speaker Probe/Tone Generator, Voice/Data Cable, CTX30 Sound, LED

More from EXTECH

View all EXTECH parts
EXTECH Tone and Probe Kit: 40180, Case/Test/Tone/Trace Cable/Tone Generator, Voice/Data Cable, 9V DC
EXTECH
EXTECH Tone and Probe Kit: 40180, Case/Test/Tone/Trace Cable/Tone Generator, Voice/Data Cable, 9V DC