EXFO FTB-635 Wideband Copper and DSL Test Module - Manuel (Page 400)

Caractéristiques techniques
392 FTB-635
COPPER SPECIFICATIONS a, b, c (continued)
Isolation resistance (stress/leakage) (continued) Source 50 V to 500 V (current safely limited to 0.5 mA)
Soak timer 1 s to 59.9 min
VF noise measurement Frequency range 200 Hz to 20 kHz
Level range –90 dBm to 20 dBm
Resolution 0.1 dB
Uncertainty (accuracy) –90 dBm to –50 dBm, uncertainty (accuracy) ±2 dB
–50 dBm to 20 dBm, uncertainty (accuracy) ±1 dB
Filters 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
Impedance 600 1
VF impulse noise Low threshold –40 dBm to 0 dBm, in 1 dB steps
Mid threshold Low threshold plus separation
High threshold Mid threshold plus separation
Test duration Minutes: 1, 5, 10, 15, 30, 60
Hours: 4, 8, 12, 24, 100
Separation 1 dB to 6 dB, in 1 dB steps
Dead time 125 ms
Filters None, 3 kHz flat, C-message, psophometric,
notched and D-filter (IEEE 743-1995)
Counter Maximum 999 for each threshold
Timer 1 min to 24 h, default is 15 min
Power influence (noise to ground) Noise range –60 dBm to 10 dBm
Uncertainty (accuracy) –60 dBm to –50 dBm ± 2 dB
–50 dBm to 10 dBm ± 1 dB
Graphical display Third triplet harmonics to 20 kHz
VF longitudinal balance Frequency 1004 Hz
Level range 0 dB to 100 dB
Level uncertainty (accuracy) ±1 dB
Impedance 600 1
Time-domain reflectometer (TDR) Modes Automatic, Manual, and Crosstalk (Xtalk) operation with location of most significant event(s)
Distance range 0 m to 6700 m (0 ft up to 22 000 ft) on 24 AWG (0.5 mm) cable
Pulse width 15 ns to 20 μs (automatic control)
Amplitude 7.5 V p-p on cable, 9 V p-p open circuit
Velocity of propagation (VOP) 0.40 to 0.99
Distance uncertainty (accuracy) e ±(0.5 m + 1 % x distance)
Units Meters and feet
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.
Measurement Range Resolution Uncertainty (accuracy)
DC voltage 0 to 400 V 0.1 V for 0 to 99.9 V
1 V for 100 to 400 V ±(|1 %| + 0.5 VDC)
AC voltage 0 to 280 Vrms 0.1 VAC for 0 to 99.9 VAC
1 VAC for 100 to 280 VAC ±(1 % + 0.5 VAC)
Isolation resistance
(stress/leakage) 0 to 1 G 1, auto-ranging
1 k 1 to 99 M1
100 M 1 to 999 M1
Three digits
±(2 % + 1 digit)
±(5 % + 1 digit)
Resistance 0 to 100 M 1
0 to 999 1
1 k 1 to 100 M1
Three digits
±(1 % + 5 1)
±(2 % + 1 digit)
Capacitance 0 nF to 2 μF Four digits ±(2 % + 50 pF)
DC current 0 to 110 mA 0.1 mA ±(|2 %| + 1 mA)
AC current 0 to 110 mA 0.1 mA ±(|2 %|+ 1 mA) d
Station Ground 0 to 1 M 1
0 to 999 1
1 k 1 to 1 M1
Up to three digits
±(1 % + 3 1)
±(2 % + 1 digit)