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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-Hook | 150 Ω nominal |
| On-Hook | >3 M Ω |
| AC Impedance | |
| Off-Hook | 600 Ω nominal; 300 Hz to 3400 Hz |
| On-Hook | >120 kΩ 300 Hz to 3400 Hz |
| Rotary Dial Output | |
| Pulsing Rate | 10 pps ±1 pps |
| Break/Make Ratio | 60/40 |
| 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 Difference | 2 dB ± 2 dB |
| Memory 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 |
| Physical | |
| Measurement | 10 in x 3.75 in x 4.25 in (254 mm x 96 mm x 107 mm) |
| Weight | Less than 1.5 pounds (0.68 kg) with one belt clip |
| Water Resistance | Designed to be rain and moisture resistant. |
| Drop Test | Passes 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) |
| Altitude | To 10,000 ft. (3,000 m) max |
| Relative Humidity | 95% to 30°C 75% to 40°C 45% to 50°C 30% to 60°C |