48
Duty cycle
8.17.
Display of the measurement in % of a logical signal (TTL, CMOS, etc.)
DC+ duty cycle =
DC- Duty cycle
= T-
Resolution
0.01%
Minimum duration for
10
s
Maximum duration for T
0.8s
Minimum duration for T
200
s (5 kHz)
Nominal range
5 to 90% typical
Sensitivity (10V range)
> 10% of the range, Freq <1kHz
> 20% of the range, Freq >1kHz
Absolute error on the duty
cycle, expressed in % absolute
± [0,1% + 0,045% *(RC-50)] Freq < 1 kHz
± [0,5% + 0,06% *(RC-50)] Freq > 1 kHz
Additional absolute error 0.1xC/P
(slope at zero crossing)
C = range in V or in A
(for the 1,000V range, C = 5,000)
P = slope in V/s A/s
Protection
1,414 Vpk
Event counting CNT
8.18.
Depending on frequency counter triggering conditions.
Minimum pulse width
5 µs
Counting up to
99999
Triggering threshold
10% of the range except 1,000 V
AC
range
This threshold is:
positive in , negative in
For negative events, cross the leads.
Protection
1,414 Vpk
Pulse width PW
8.19.
Depending on frequency counter triggering conditions.
Resolution
10 µs
Minimum pulse width
100 µs
Accuracy
0.1% L ± 10µs
Maximum duration of a period
1.25 s (0.8Hz)
Triggering threshold
20% of the range except 1,000 V
AC
range
This threshold is positive in , negative in .
Additional error on the measurement due to the slope at the zero crossing:
For negative events, cross the leads.
Protection
1,414 Vpk
Time stamp chronometer
8.20.
Accuracy
approx. 30s/month (drift of real-time clock)
Resolution
1s
Display
hour/minute/second
Day/month/year
T
Summary of Contents for Metrix MTX 3292B
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