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เครื่องตรวจเช็คสัญญาณโทรศัพท์ FLUKE Networks Telephone Test Set รุ่น TS 52 PRO
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
Specifications
Electrical
Current Range (Off-Hook)10 mA to 100 mA
DC Resistance
Off-Hook150 Ω nominal
On-Hook>3 M Ω
AC Impedance
Off-Hook600 Ω nominal; 300 Hz to 3400 Hz
On-Hook>120 kΩ 300 Hz to 3400 Hz
Rotary Dial Output
Pulsing Rate10 pps ±1 pps
Break/Make Ratio60/40
Interdigit Interval>300 ms
Resistance During Break>100 kΩ
DTMF Output
Tone Frequency Error±1.5 % maximum
Tone Level-3 dBm combined (typical)
High versus Low Tone Difference2 dB ± 2 dB
Memory Dialing
Memory Capacity10 speed dial memories plus one last number redial memory
Digit Capacity23 digits per memory
PBX Pause Duration4 seconds
Hook Flash DurationUser programmable; default of 600 ms
Automatic Speaker Shut Off DurationUser programmable; default of 2 minutes
Battery9 V alkaline battery
Physical
Measurement10 in x 3.75 in x 4.25 in (254 mm x 96 mm x 107 mm)
WeightLess than 1.5 pounds (0.68 kg) with one belt clip
Water ResistanceDesigned to be rain and moisture resistant.
Drop TestPasses 20 foot drop test
Temperature Range
Handset speech and dialing functions-22°F to 140 °F (-30°C to 60°C)
LCD function-13°F to 140°F (-25°C to 60°C)
Storage-22°F to 150°F (-30°C to 66°C)
AltitudeTo 10,000 ft. (3,000 m) max
Relative Humidity95% to 30°C
75% to 40°C
45% to 50°C
30% to 60°C
SafetyComplies with ANSI/ISA 82.02.01 (61010-1) 2004, CAN/CSA-C22.2 No 61010-1-04, UL 61010-1 (2004) and IEC/EN 61010-1 2nd Edition for measurement Category I, 300 Vdc Max, Pollution Degree 2
EMCComplies with EMC EN61326-1