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Telephone Test Sets: TS® 52 PRO Test Sets

The TS52 PRO Test Set features backlit LCD and glow-in-the-dark keypad.

  • Display—backlit LCD and glow-in-the-the dark keypad
  • DataSafe Pro—superior high-impedance monitoring, lockout and override, making you completely safe in any mode
  • DropSafe—passes 20-foot drop test
  • DSL/POTS Filtering Technology—allows technicians to clip on a live DSL line to test POTS service without downing or disrupting data service
  • RainSafe–designed for use in rain conditions.
  • 2-way hands-free speakerphone—for true hands-free conversation
  • Test Functions
  • Data indication—warns when data is present.
  • Voltage indication—troubleshooting feature to identify potential line problems
  • Current (mA) indication—verifies sufficient line current
  • Caller-ID—verifies service is functional
  • DTMF Digit Grabbing—isolate faulty customer premise equipment


Fluke Networks’ new TS52 PRO Test Set features the latest in test set technology. Designed with a superior, radiant liquid crystal display (LCD) user interface, it allows you to see what cannot be heard in any outside plant environment.

The back lit LCD and phosphorescent (glow-in-the-dark) keypad brings light to even the darkest of work environments, providing perfect line diagnostic clarity. 

The TS52 PRO Test Set is also equipped with 2-way speakerphone and DataSafe™ Pro data protection technology featuring superior high-impedance monitoring, Data Lockout and Lockout Override, making you completely safe.

TS® Professional Series – Products Comparison

Models & Accessories


Model Number/NameDescription
52801001TS52 PRO test set with piercing pin clips
52801004TS52 PRO test set with 346A plug
52801009TS52 PRO test set with ABN/PP clips
52801RJ9TS52 PRO test set with ABN/PP and RJ11 plug


Model Number/NameDescription
P4080249TS52/44/42 belt clip, unlock only
P4080248TS52/44/42 belt clip, lock/unlock (standard)
P4480001TS52/44/42 replacement cord with PRC pin clips
P4480004TS52/44/42 replacement cord with 346A plug
P4480008TS52/44/42 replacement cord with ABN only clips
P4480009TS52/44/42 replacement cord with ABN PRC pin clips
P4480RJ9TS52/44/42 replacement cord with ABN/PP clips with RJ11

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