331
Digital lters
Power supply
frequency
lter setting
Data refresh interval
1 ms 2 ms 5 ms 10 ms 20 ms 50 ms 100 ms 200 ms 500 ms 1 s 2 s 5 s 10 s
60 Hz 50 k 5.4 k 2.6 k 1.0 k 400 200 100 60 60 10 5 5 5
50 Hz 50 k 5.4 k 2.6 k 1.0 k 400 200 100 50 50 10 5 5 5
Unit: Hz
-2. Accuracy specications
Accuracy guarantee
conditions
Accuracy guarantee
duration
1 year
Accuracy guarantee
duration after
adjustment made by
Hioki
1 year
Accuracy guarantee
temperature and
humidity range
Warm-up time At least 30 min. after connecting to the LR8450/LR8450-01
Memory HiLogger and turning on the instrument
Measurement range, maximum resolution, measurable range, and measurement accuracy gures
Measurement
target
Type Range
Maximum
resolution
Measurable range
Measurement
accuracy
Voltage – 100 mV f.s.
200 mV f.s.
1 V f.s. ±1 mV
2 V f.s. ±2 mV
10 V f.s. ±10 mV
20 V f.s. 1 mV ±20 mV
100 V f.s. 5 mV ±100 mV
1-5 V f.s. 1 V to 5 V ±10 mV
Temperature
characteristics
Normal-mode
rejection ratio
50 dB or greater
interval of 5 s)
interval of 5 s)
Common-mode
rejection ratio
Signal source resistance of 100
or less
100 dB or greater
(With 50 Hz/60 Hz input and a data refresh interval of 1 ms)
140 dB or greater
interval of 5 s in the 100 mV f.s. range)
interval of 5 s in the 100 mV f.s. range)
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