


About Jonard Tools
Founded in 1958, Jonard Tools manufactures tools for the Telecom, CATV, Fiber Optic, Home Automation, Security & Alarm, and Electrical markets. Jonard tools designs and engineers patented products by utilizing customer partnerships to create innovative solutions for industry needs. Through quality and innovation Jonard aims to move the industry forward and connect the world.
Pocket Continuity Tester & Toner with Voltage Protection
PT-300
Introducing the Jonard Tools PT-300 Pocket Continuity Tester & Toner for Coaxial Cables: your ultimate solution for swiftly identifying cables in multi-dwelling units and pinpointing troublesome short circuits with ease.
This tester features the following:
- Loud Tone Speaker
- LED Fault Finder
- Accurate up to 5,000 feet
- 52V Voltage Protection
Key Features

5,000 FT Range
Test cables with confidence up to 5,000 feet (1,500 meters), ensuring comprehensive examination of cables in MDUs and other environments.

Loud Speaker
The loud speaker emits a distinctive tone, swiftly pinpointing lines carrying signals amidst complex cable setups.

LED Fault Finder
Integrated bright LED light illuminates to indicate splitters, DC shorts, and self-grounding devices within cables.

Family of Products
![]() Coax Cable Pocket Continuity Tester & Toner - Voltage Protected | ![]() Coax Cable Pocket Continuity Tester & Toner | ![]() Replacement Speaker | |
|---|---|---|---|
| Customer Reviews | — | — | — |
| Price | — | — | — no data |
| Part # | PT-300 | PT-100 | PT-350 |
| Includes | (1) AAA 1.5V battery and (1) pocket clip | (1) AAA 1.5V battery and (1) pocket clip | no data |
| Range | 5,000 feet | 5,000 feet | no data |
| Voltage Protection | 52V | Unprotected | no data |

Pocket Continuity Tester & Toner with Voltage Protection

About Jonard Tools
Founded in 1958, Jonard Tools manufactures tools for the Telecom, CATV, Fiber Optic, Home Automation, Security & Alarm, and Electrical markets. Jonard tools designs and engineers patented products by utilizing customer partnerships to create innovative solutions for industry needs. Through quality and innovation Jonard aims to move the industry forward and connect the world.

PT-300
Introducing the Jonard Tools PT-300 Pocket Continuity Tester & Toner for Coaxial Cables: your ultimate solution for swiftly identifying cables in multi-dwelling units and pinpointing troublesome short circuits with ease.
This tester features the following:
- Loud Tone Speaker
- LED Fault Finder
- Accurate up to 5,000 feet
- 52V Voltage Protection
Key Features

5,000 FT Range
Test cables with confidence up to 5,000 feet (1,500 meters), ensuring comprehensive examination of cables in MDUs and other environments.

Loud Speaker
The loud speaker emits a distinctive tone, swiftly pinpointing lines carrying signals amidst complex cable setups.

LED Fault Finder
Integrated bright LED light illuminates to indicate splitters, DC shorts, and self-grounding devices within cables.

Family of Products
![]() Coax Cable Pocket Continuity Tester & Toner - Voltage Protected | ![]() Coax Cable Pocket Continuity Tester & Toner | ![]() Replacement Speaker | |
|---|---|---|---|
| Customer Reviews | — | — | — |
| Price | — | — | — no data |
| Part # | PT-300 | PT-100 | PT-350 |
| Includes | (1) AAA 1.5V battery and (1) pocket clip | (1) AAA 1.5V battery and (1) pocket clip | no data |
| Range | 5,000 feet | 5,000 feet | no data |
| Voltage Protection | 52V | Unprotected | no data |


















