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เครื่องตรวจเช็คสัญญาณโทรศัพท์ FLUKE Networks Telephone Test Set
เครื่องตรวจเช็คสัญญาณโทรศัพท์ FLUKE Networks Telephone Test Set รุ่น TS 54 TDR
Ten testing functions include:
- TDR – find cable length measurement and locate faults on virtually all types of cable including twisted pair, coaxial, and parallel conductors
- Toner – five separate tones for fast and easy differentiation between multiple wire pairs
- SmartTone® – short the correct pair and tone changes for exact pair identification
- Data indication – warns when data is present on the line
- Voltage indication/measurement – identifies potential line problems
- Current (mA) indication/measurement – verifies sufficient line current
- Caller-ID with Call Waiting CID – verifies functional service
- DTMF Digit Grabbing – isolates faulty customer premise equipment
- Detects dial tone, places and receives calls
- Polarity
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 |
| Headset impedance | 32 Ω |
| 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 |
| Speed Dialing | |
| Memory capacity | 9 speed dial memoriesof 23 digits, plus one last number redial memory |
| PBX pause duration | User programmable; default of 4 seconds |
| Hook flash duration | User programmable; default of 500 ms |
| Automatic shut-off duration | User programmable; default of 2 minutes |
| Voltage measurement | |
| Range | 4 V dc to 140 V dc |
| Current measurement | |
| Range | 0 mA to 100 mA |
| TDR | |
| Range | 3,000 feet (914 m) |
| Accuracy | ±2 m ±5 % |
| SmartTone toner | |
| Frequencies | Steady tone: 950 Hz |
| Power | |
| Battery type | 9 V alkaline battery |
| Physical | |
| Measurement | 8.3 in x 3.2 in x 2.6 in (211 mm x 81 mm x 66 mm) (without belt) |
| Weight | 1.16 lb (0.53 kg) (without belt clip) |
| Water resistance | The test set is rain and moisture resistant and IP64 rated |
| 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 |
| Safety | |
| Regulatory compliance | Complies with ANSI/ISA 82.02.01 (61010-1) 2004, CAN/CSA-C22.2 No 61010-1-04, UL 61010-1 (2004) and IEC 61010-1:2010 for measurement category I, 300 V dc maximum, pollution degree 2 |
| Maximum transient voltage | 1500 V |
| EMC | Complies with EMC EN61326-1 |
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