EXFO FTB-635 Guia Del Usuario página 415

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COPPER SPECIFICATIONS
Isolation resistance (stress/leakage) (continued)
VF noise measurement
VF impulse noise
Power influence (noise to ground)
VF longitudinal balance
Time-domain reflectometer (TDR)
NOTES
a. Subject to change without notice.
b. Typical, at 23 °C ± 3 °C, on batteries, with no USB connection.
c. Specifications based on 24 AWG (PE 0.5 mm) cabling.
d. From 10 mA to 110 mA.
e. Qualified up to 300 m (1000 ft) and does not include the uncertainty due to VOP.
Pruebas de cobre y xDSL
a, b, c
(continued)
Measurement
DC voltage
AC voltage
Isolation resistance
(stress/leakage)
Resistance
Capacitance
DC current
AC current
Station Ground
Source
Soak timer
Frequency range
Level range
Resolution
Uncertainty (accuracy)
Filters
Impedance
Low threshold
Mid threshold
High threshold
Test duration
Separation
Dead time
Filters
Counter
Timer
Noise range
Uncertainty (accuracy)
Graphical display
Frequency
Level range
Level uncertainty (accuracy)
Impedance
Modes
Distance range
Pulse width
Amplitude
Velocity of propagation (VOP)
Distance uncertainty (accuracy)
Units
Especificaciones técnicas
Range
Resolution
0 to 400 V
0.1 V for 0 to 99.9 V
1 V for 100 to 400 V
0 to 280 Vrms
0.1 VAC for 0 to 99.9 VAC
1 VAC for 100 to 280 VAC
0 to 1 G , auto-ranging
Three digits
1 k
to 99 M
100 M
to 999 M
0 to 100 M
Three digits
0 to 999
1 k
to 100 M
0 nF to 2 μF
Four digits
0 to 110 mA
0.1 mA
0 to 110 mA
0.1 mA
0 to 1 M
Up to three digits
0 to 999
1 k
to 1 M
50 V to 500 V (current safely limited to 0.5 mA)
1 s to 59.9 min
200 Hz to 20 kHz
–90 dBm to 20 dBm
0.1 dB
–90 dBm to –50 dBm, uncertainty (accuracy) ±2 dB
–50 dBm to 20 dBm, uncertainty (accuracy) ±1 dB
ITU: none, psophometric, P-notched, 3.4 kHz, D-filter, 15 kHz
ANSI: none, C-message, C-notched, 3.4 kHz, D-filter, 15 kHz
600
–40 dBm to 0 dBm, in 1 dB steps
Low threshold plus separation
Mid threshold plus separation
Minutes: 1, 5, 10, 15, 30, 60
Hours: 4, 8, 12, 24, 100
1 dB to 6 dB, in 1 dB steps
125 ms
None, 3 kHz flat, C-message, psophometric,
notched and D-filter (IEEE 743-1995)
Maximum 999 for each threshold
1 min to 24 h, default is 15 min
–60 dBm to 10 dBm
–60 dBm to –50 dBm ± 2 dB
–50 dBm to 10 dBm ± 1 dB
Third triplet harmonics to 20 kHz
1004 Hz
0 dB to 100 dB
±1 dB
600
Automatic, Manual, and Crosstalk (Xtalk) operation with location of most significant event(s)
0 m to 6700 m (0 ft up to 22 000 ft) on 24 AWG (0.5 mm) cable
15 ns to 20 μs (automatic control)
7.5 V p-p on cable, 9 V p-p open circuit
0.40 to 0.99
e
±(0.5 m + 1 % x distance)
Meters and feet
Uncertainty (accuracy)
±(|1 %| + 0.5 VDC)
±(1 % + 0.5 VAC)
±(2 % + 1 digit)
±(5 % + 1 digit)
±(1 % + 5
)
±(2 % + 1 digit)
±(2 % + 50 pF)
±(|2 %| + 1 mA)
±(|2 %|+ 1 mA)
d
±(1 % + 3
)
±(2 % + 1 digit)
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