Metrix MTX 3292 - Page 58

Technical characteristics
58 100,000 cts digital multimeters
Technical characteristics of the MTX 3292, MTX 3293 (continued)
Duty cycle DCY
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
Depending on frequency counter triggering conditions.
Minimum pulse width 5 µs
Counting up to 99999
Triggering threshold 10% of the range except 1,000 VAC range
This threshold is: positive in , negative in
For negative events, cross the leads.
Protection 1,414 Vpk
Pulse width PW
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 VAC range
This threshold is positive in , negative in .
Additional error on the measurement due to the slope at the zero crossing:
see §. Duty cycle, above.
For negative events, cross the leads.
Protection 1,414 Vpk
Time-stamp
chronometer
Accuracy approx. 30s/month (drift of real-time clock)
Resolution 1s
Display hour/minute/second
day/month/year
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