Hioki LR8432-20, Instruction Manual

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Chapter 10 Specifications
170
(2) Measurement Functions
Common mode
rejection ratio
with 100
Ω
maximum signal source impedance
100 dB minimum (with 50 Hz or 60 Hz input and digital filter
disabled)
140 dB minimum (with 50 Hz input with 5 s recording interval, and
50 Hz digital filter enabled)
(with 60 Hz input with 2 s recording interval, and
60 Hz digital filter enabled)
Broken wire
detection
(Thermocouple input) selectable On or Off, approx. 300 nA detec-
tion current
Maximum input
voltage
30 V AC rms or 60 V DC (analog input channel)
Maximum rated
voltage to earth
30 V AC rms or 60 V DC (between each input channel and chassis,
and between input channels)
Anticipated transient overvoltage 330 V
Pulse input Non-voltage “a” contact (normally open)
open collector or voltage input
Maximum input
voltage 0 V to 10 V DC
Maximum channel-
to-channel voltage Non-isolated
(channels use the instrument’s common ground)
Maximum rated
voltage to earth
Non-isolated
(channels use the instrument’s common ground)
Detecting level High: 2.5 V min., Low: 0.9 V max.
Pulse input period At least 200 µs (both H and L levels at least 100 µs)
Slope Either rising or falling edge pulse detection can be set for each
channel
Function Integrated count, revolution variation
Basic Specifications
Recording interval 10 ms, 20 ms, 50 ms, 100 ms, 200 ms, 500 ms, 1 s, 2 s, 5 s, 10 s,
20 s, 30 s, 1 min, 2 min, 5 min, 10 min, 20, min, 30 min, 1 h
Recording length Any, with continuous recording selectable
Recording repetition
function Repeatedly measures using the specified recording length
Timer function Records between specified start and stop times
Specifiable
waveform colors
24 colors