42
3.3 Hold Functions
3.3.3
Peak Hold Function
This function locks in the maximum and minimum change
in the measured value of an input signal over a period of
1ms (one-shot) or 250
μ
þs (repetitive).
Input signal maximum value :
MAX
Input signal minimum value
:
MIN
1.
To turn on the PEAK HOLD function, hold down the
REL
key while measurement is in progress. The
maximum value for the input signal is displayed in the
main display.
The display is updated and the buzzer sounds if the
maximum (or minimum) value that is displayed is
exceeded.
2.
Press the
HOLD
key to display the minimum value for
the input signal. Pressing the
HOLD
key repeatedly
toggles the displayed value between the minimum
and maximum value.
3.
To clear the maximum value, minimum value and update
time and restart, press the
DUAL
key.
To cancel the peak hold function, hold down the
REL
key.
HOLD
HOLD
Update time
Summary of Contents for 3801-50
Page 1: ...3801 50 DIGITAL HiTESTER Instruction Manual...
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Page 40: ...36 2 12 Pulse Output Function...
Page 90: ...86 6 5 Checking the Instrument Software Version...
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