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The Fluke Networks 25501009 has the same features as the 25501004 but model 25501009 comes with Angled Bed-of-Nails (ABN) clips instead of a 346A plug.
| Electrical | |
| Return Loss | >14 dB (ref 600 Ω) |
| DC Resistance | |
| Off-Hook | 150 Ω nominal |
| On-Hook | >1 MΩ |
| 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 | -1 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 |
| Pause Duration | User programmable Default: 4 seconds |
| Hook Flash Duration | User programmable Default: 600 ms |
| Automatic Speaker Shut Off Duration | User programmable TS25D default: 5 minutes TS25D CO default: 2 minutes |
| Battery | 9 V alkaline or lithium battery |
| Physical | |
| Measurement | 7.8 in x 2.7 in x 1.6 in (20 cm x 6.8 cm x 4 cm) |
| Weight | 10 ounces (284 g) |
| Environmental | |
| Temperature Range Operating | 32°F to 122 °F (0 °C to 50 °C) |
| Storage | -40 °F to 150 °F (-40 °C to 65 °C) |
| Altitude | Up to 10,000 ft (3,000 m) |
| Relative Humidity | 5 % to 95 % |
Notes: Specifications subject to change without notice. This product has been safety certified for indoor use only.
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