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 FunctionsData indication—warns when data is present.Voltage indication—troubleshooting feature to identify potential line problemsCurrent (mA) indication—verifies sufficient line currentCaller-ID—verifies service is functionalDTMF Digit Grabbing—isolate faulty customer premise equipmentFluke 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.Electrical Specifications- Current Range (Off-Hook): 10 mA to 100 mADC Resistance- Off-Hook: 150 Ω nominal- On-Hook: >3 M ΩAC Impedance- Off-Hook: 600 Ω nominal; 300 Hz to 3400 Hz- On-Hook: >120 kΩ 300 Hz to 3400 HzRotary Dial Output- Pulsing Rate: 10 pps ±1 pps- Break/Make Ratio: 60/40- Interdigit Interval: >300 ms- Resistance During Break: >100 kΩDTMF Output- Tone Frequency Error: ±1.5 % maximum- Tone Level: -3 dBm combined (typical)- High versus Low Tone Difference: 2 dB ± 2 dBMemory Dialing- Memory Capacity: 10 speed dial memories plus one last number redial memory- Digit Capacity: 23 digits per memory- PBX Pause Duration: 4 seconds- Hook Flash Duration: User programmable; default of 600 ms- Automatic Speaker Shut Off Duration: User programmable; default of 2 minutes- Battery: 9 V alkaline battery