5.3 Timing Chart
76
Description
Time
t1
ERR Output response
time
*1
1.5 ms
t2
Measurement trigger
pulse width
0.5 ms min.
t3
Delay Time per setting
See Section 4.2.2 Trigger Delay Settings (Page 52).
t4
Measurement time
*2
ΩV mode
EX.FAST 6.8 ms
FAST 22.8 ms
MEDIUM 82.8 ms
68.8 ms
SLOW 257.8 ms
251.2 ms
Ω mode or V mode
EX.FAST 3.4 ms
FAST 11.4 ms
MEDIUM 41.4 ms (50 Hz line
frequency setting)
34.4 ms (60 Hz line
frequency setting)
SLOW 156.4 ms (50 Hz line
frequency setting)
149.8 ms (60 Hz line
frequency setting)
t5
Calculation time
*3
0.3 ms
t6
EOC Output pulse width When the external trigger is selected
HOLD setting : Holds until the next trigger is detected
PULSE setting : Remains only for the specified pulse width
See Section 5.2.5 Instrument Settings (Page 74).
When the internal trigger is selected
HOLD setting : EX.FAST 1 ms, FAST 5 ms, MEDIUM 20 ms, SLOW 50 ms
PULSE setting : Remains only for the specified pulse width
*1: For details, see “5.2.4 ERR Output (Page 73).”
*2
: About t4 measurement time
When averaging is enabled, the running average is obtained with internal triggering, so
measurement time t4 does not change. The measurement time for external triggering is as
follows:
With SLOW sampling
ΩV (t4 - 57.8) X n + 57.8 ms (50 Hz)
(t4 - 51.2) X n + 51.2 ms (60 Hz)
Ω or V (t4 - 56.4) X n + 56.4 ms (50 Hz)
(t4 - 49.8) X n + 49.8 ms (60 Hz)
With other than SLOW sampling
ΩV (t4 - 2.8) X n + 2.8 ms
Ω or V (t4 - 1.4) X n + 1.4 ms
(n represents the number of values averaged)
*3
: About t5 calculation time
In the following cases, add the indicated times to calculation time t5:
When the Statistical Calculation function is enabled 0.3 ms
When the reference value/tolerance method of
comparator decision is selected
0.15 ms
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