sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Fluke Networks TS52 Pro LCD Test Set
The Fluke Networks 52801RJ9 TS52 PRO Test Set is a professional-grade telecom testing device designed for network technicians and field engineers. Engineered with a high-impedance DataSafe Monitor mode, it allows line monitoring without disrupting voice, data, or signaling traffic. The tester is built from impact-resistant materials to withstand rigorous field environments, meeting 20-foot DropSafe and RainSafe specifications.
The unit features a backlit LCD and a phosphorescent (glow-in-the-dark) keypad, ensuring visibility in low-light workspaces such as telecom closets or basements. Additional integrated capabilities include Caller-ID, DTMF digit grabbing, and polarity testing for Tip and Ring.
Key Features & Capabilities
- DataSafe Monitor Mode: High-impedance monitoring protects existing data and voice signals.
- Advanced Analytics: Visual ANAC mode (Automatic Number Announcement Circuit) and Caller-ID.
- Signal Interfacing: Tone and pulse operation with DTMF digit grabbing.
- Protection: Over-voltage and over-current protection, plus data lockout protection and override.
- User Interface: Backlit LCD display and glow-in-the-dark keypad.
- Audio: One-way amplified speakerphone mode, audible ringer, and hearing aid compatibility.
- Durability: Waterproof, 20-foot DropSafe, and RainSafe standards compliant.
- Convenience Functions: Last number redial, PBX pause button, and speed dialing.
Package Contents
- Fluke Networks TS52 PRO LCD Test Set
- ABN (Angled Bed of Nails) / Piercing Pin clips
- RJ11 Cordset
- Heavy-duty belt clip
Frequently Asked Questions
Q: Can the Fluke Networks TS52 PRO monitor live lines safely?
A: Yes, it is equipped with a high-impedance DataSafe Monitor mode that allows technicians to monitor lines without disrupting active voice, data, or signaling traffic.
Q: What cords are included with this model?
A: The 52801RJ9 configuration includes an RJ11 cordset and Angled Bed of Nails (ABN) / piercing pin clips.
Q: Is this test set suitable for dark or outdoor environments?
A: Yes, it features a backlit LCD, a phosphorescent keypad for dark environments, and meets strict DropSafe (20ft) and RainSafe waterproofing standards for demanding outdoor use.



