- Catalog
- Find A Branch
- KeepStock
- Help
- 1-800-GRAINGER
Register
Sign In
Sign In to access your account information.
Sign In Register for Grainger.comOrder Lookup
Track and check the status of an order.
Order LookupAll Products
Unrelated Links
Product Categories
- All Product Categories
- Abrasives
- Adhesives, Sealants and Tape
- Cleaning and Janitorial
- Electrical
- Electronics & Batteries
- Fasteners
- Fleet & Vehicle Maintenance
- Furnishings, Appliances & Hospitality
- HVAC and Refrigeration
- Hardware
- Hydraulics
- Lab Supplies
- Lighting
- Lubrication
- Machining
- Material Handling
- Motors
- Office Supplies
- Outdoor Equipment
- Packaging & Shipping
- Paints, Equipment and Supplies
- Pipe, Hose, Tube & Fittings
- Plumbing
- Pneumatics
- Power Transmission
- Pumps
- Raw Materials
- Reference and Learning Supplies
- Safety
- Security
- Test Instruments
- Tools
- Welding
Sign In
Sign In to access your account information.
Sign In Register for Grainger.comOrder Lookup
Track and check the status of an order.
Order LookupTone Generators and Speaker Probes & Kits
Available26 products
Tone generators and speaker probes use built-in sensors and insulated test leads to analyze cables, determine their location within a system, test for continuity, and identify faults. These instruments ensure the integrity of copper-core cables and wires used in voice and data installations.
Tone Generators
Tone generators use test clips, probes, or touch to send an analog tone signal through copper cables in voice, data, and audio-video installations to verify line continuity and identify the location of faults without damaging the insulation.
| Loading... | ||||
Speaker Probes
Speaker probes use built-in sensors or pair with insulated test leads and clips to indicate line continuity or trace the location of specific wires and cables. These handheld instruments sound an audible alert when the wire under test is located and live.
Filtered
| Loading... | ||||
Unfiltered
| Loading... | ||||
Tone Generator & Speaker Probe Kits
Tone generators use test clips, probes, or touch to send an analog tone signal through copper cables in voice, data, and audio-video installations to verify line continuity and identify the location of faults without damaging the insulation.
| Loading... | ||||||
Pocket Toners
Pocket toners are handy, portable tools that connect to low-voltage voice and data cables for testing and diagnostics. They sound an audible alert to indicate line continuity and open and short circuits.
| Loading... | |||||
Pocket Toner Kits
These kits include a pocket toner with compatible accessory items that enhance capabilities for testing and diagnosing voice and data cables.
| Loading... | ||||||