Hioki 8835-01 - Trigger Unit

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14.2 Trigger Unit
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Trigger Method Digital comparison
Trigger modes
Function Available trigger modes Version
Memory recorder Single, repeat, auto Basic version
Recorder Single, repeat
RMS recorder Single, repeat
Recorder & Memory Single, repeat Advanced version
FFT Single, repeat, auto
Trigger source CH1 to CH8, logic CHA to CHD
・External trigger
・Manual trigger
・Timer trigger
Sources can be set on or off. When all sources are off, the unit is in
the free-run state.
Trigger conditions can be set for each channel individually.
With an external trigger, the triggering occurs on a falling edge of
2.5 V, or when the terminals are shorted together.
Trigger conditions Logical AND or OR of any trigger sources
Trigger types (analog) (1) Level trigger
・Digital setting of voltage values for full scale
・Triggering occurs at rising edge (falling edge) of set value.
(2) Window-in, window-out trigger
・Upper and lower trigger levels can be set.
・Triggering occurs when the waveform enters or leaves the defined
area.
(3) Voltage drop trigger
Triggering occurs when the peak of the voltage falls lower than the
setting level (for commercial power supplies).
(4) RMS level trigger
Digital setting of rms values
Triggering occurs at rising edge (falling edge) of set value (for
commercial power supplies and DC).
(5) Period trigger
The period trigger setting determines the period reference voltage
and period range beyond which the measured rise (or fall) of the se
t
voltage results in tripping of the period trigger.
Trigger type (logic) Pattern trigger specified by 1, 0, and ×
(× means that either 1 or 0 is fine.)
Trigger filter ・Memory recorder and recorder & memory functions
OFF, 0.1, 0.2, 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0 DIV
・Recorder and X-Y CONT recorder functions (advanced version)
ON, OFF
Trigger level resolution 0.25 % f.s. (f.s. = 10 DIV)
Pre-trigger Memory recorder function, recorder & memory function (advanced
version):
0, 2, 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, 95, 100, -95 %
RMS recorder function: 0, 5, 10 DIV
Trigger timing Start, stop, start and stop (recorder function)
Trigger output ・Open collector output (with 5 V output voltage, active low)
・Pulse width 10 ms min.
Trigger input and output
connectors
Mini-jack (3.5 mm dia.)
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4.2 Trigger Unit