Hioki Memory HiLogger LR8401-20 Instruction Manual page 251

11.1 LR8400-20, LR8401-20, LR8402-20 Memory HiLogger Specifications
Measurement
range/Resolution
Pulse input period Without filter (Off), at least 200 μs (both H and L levels at least 100 μs)
Slope
Measurement
mode
Integrated count
Revolution variation Counts the input pulses per second to obtain revolutions
Anti-chatter filter
Digital Input
Measurement mode Records 1 or 0 at each recording interval
Cut-off frequency
1. With 60-Hz digital filter, and burn-out detection disabled
10
ms
Up to 15
∗ 20.0k 13.0k 4.9k 2.4k 1.2k 60
1
channels
Up to 30
−
Cut-off ∗
2
channels
fre-
Up to 45
quency ∗
3
channels
−
Up to 60
∗
4
channels
∗ ∗
1. Using U1-1 to -15,
∗ ∗
3. Using U3-1 to -15,
Measurement
Object
Pulse Integra-
1,000 Mc pulse f.s.
tion
Revolution Vari- 5,000/n [r/s] f.s
ation n = pulses/revolution, from 1 to 1,000
With filter (On), at least 100 ms (both H and L levels at least 50 ms)
Either rising or falling edge pulse detection can be set for each channel
Integrated count, Revolution variation
Additive:
Counts cumulative (integrated) value from measurement start
Instantaneous:
Counts instantaneous value at every recording interval (the integration
value is reset at each interval)
Settable On/Off for each channel
20 50 100 200
ms ms ms ms
20.0k 13.0k 4.9k 2.4k 1.2k 60
−
20.0k 13.0k 4.9k 2.4k 1.2k 60
2. Using U2-1 to -15,
4. Using U4-1 to -15
Max. Res-
Range
olution
1pulse
1/n [r/s]
Recording interval
500
1 s 2 s 5 s 10 s 20 s 30 s
ms
60 60 60 60
60 60 60
60 60
239
Measurable Range
0 to 1,000 Mpulse
0 to 5,000/n [r/s]
−
: Not settable
2 m
1 m or
more
10 10 10 10
60 60 10 10
60 60 60 10
[Unit: Hz]
3
11