Hioki MEMORY HiLOGGER LR8450 Instruction Manual page 314

9. Input
Pulse/logic input
Pulse input
Logic input
10. Accessories and options
Accessories
Options
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Number of channels 8 channels (common GND, non-isolated)
Exclusive setting for pulse/logic input for individual channels
Terminal block Push-button type terminal block
Adaptive input format Non-voltage contact, open collector (PNP open collector
requires external resistor), or voltage input
Maximum input voltage 0 V to 42 V DC
Input resistance 1.1 M
Detection level 2 levels (user-selectable)
High: 1.0 V or greater; low: 0 to 0.5 V
High: 4.0 V or greater; low: 0 to 1.5 V
Measurement range, resolution
Measurement
Range
target
Integration 1000 M pulse f.s.
Rotational 5000/n (r/s) f.s.
speed
300,000/n (r/min.) f.s.
n: Number of pulses per rotation (1 to 1000)
Pulse input period With filter off:
With filter on:
Slope Set rising/falling for each channel.
Measurement mode Integration (addition, instantaneous), rotational speed
Integration Addition: Counts the number of pulses input from start of
Instantaneous: Counts the number of pulses input within each
Rotational speed r/s:
r/min.: Counts the number of input pulses during 1 min. and
Smoothing function Select value from 1 s to 60 s (valid only when set to rotational
speed and r/min.).
Chatter prevention filter Set to On/Off for each channel.
Measurement mode Records 1 or 0 for each recording interval.
See "Accessories" in the Quick Start Manual.
See "Options (sold separately)" in the Quick Start Manual.
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Ω
±5%
Maximum
resolution
1 pulse
1/n (r/s)
1/n (r/min.)
200 μs or greater (100 μs or greater during high and low
interval)
100 ms or greater (50 ms or greater during high and low
interval)
measurement.
recording interval (integrated value is reset for
each rotational interval).
Counts the number of input pulses during 1 s and
calculates the rotational speed.
calculates the rotational speed.
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Basic Specifications
Measurable range
0 to 1000 M pulse
0 to 5000/n (r/s)
0 to 300,000/n (r/min.)
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