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![]() 1.1.2.2
RATE (Cont'd)
gate time interval is selected by the combination of front panel thumbswitches and multiplier.
Accuracy is 1 count time base accuracy. Gate times are:
Preset
Multiplier
Gate Time
.000001 to .999999
X1
0.00001
to 9.99999 sec
.000001 to .999999
X10
0.0001
to 99.9999 sec
.000001 to .999999
X100
0.001
to 999.999 sec
.000001 to .999999
X1000
0.01
to 9999.99 sec
1.1.2.3
TIME A
This mode is essentially a multiple period average measurement of either Input A or the
FLOWMETER input. The number of periods averaged is selected by the front panel
thumbswitches and the clock resolution is selected by the multiplier as follows:
Multiplier
Clock Frequency
Time Increments
X1
100
KHz
10
ec
s
X10
10
KHz
100
ec
s
X100
1
KHz
1
msec
X1000
100
Hz
10
msec
Accuracy is 1 count, time base accuracy trigger error.
1.1.2.4
TIME INT.
This mode allows the unit to measure the duration of a mechanical or solid state switch
closure, the time between two momentary external switch closures, the time between two
external pulses, or the time between two actuations of a single front panel switch. Clock
resolution is again selected by the multiplier switch as in 1.1.2.3. Accuracy is same as TIME
A mode.
1-5
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