Fluke – TS® 25D Test Sets

מאפיינים מרכזיים

The TS25D telephone tester features data lockout and lockout override, and a large LCD.


  • Caller-ID and Call Waiting Caller-ID
  • Amplified speakers for hands-free monitoring
  • Data lockout and data lockout override
  • Tone generator for wire identification
  • Talk battery to power voice conversation on dry (non-powered) lines
  • Easy to read oversized liquid crystal display
  • Caller ID and call-waiting caller-ID (on N. American phone systems)
  • Data lockout and data lockout override
  • DSL/POTS filtering technology lets you safely draw dial tone from a pair that is carrying voice and ADSL without downing the ADSL service
  • Built-in analog tone generator for tracing and identifying wires with a probe
  • DTMF digit grabbing capability
  • Talk battery to supply power to non-powered (dry) pairs to carry voice conversation
  • Row/column tones for single tone dialing
  • High voltage Lockout/Low voltage Lockout
  • Continual data detection in monitor mode
  • Over voltage and over current protection
  • Amplified speaker for hands-free monitoring
  • Programmable phonebook stored in non-volatile memory
  • Speed dial (10 memories, 23 digits each)
  • Selectable flash and pause duration
  • Battery level indicator
  • Battery included


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


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)


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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