Hioki MEMORY HiLOGGER LR8450 Instruction Manual page 352

Digital filters
Power
supply
frequency
filter setting
60 Hz
50 Hz
*3: Not available when measurement with Pt1000 is involved.
-2. Accuracy specifications
Accuracy guarantee
conditions
Measurement range, maximum resolution, measurable range, and measurement accuracy figures
Measurement
Voltage
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The digital filter cutoff frequency is automatically set as described in the following table
according to the data refresh interval, wire break detection setting, and power supply
frequency filter setting:
Wire
break
detection
10 ms* 3 20 ms*
setting
Off 20.8 k 6.94 k
On – 20.8 k
Off 20.8 k 6.94 k
On – 20.8 k
Product warranty duration
Accuracy guarantee duration
after adjustment made by Hioki
Accuracy guarantee temperature
and humidity range
Warm-up time
The conditions have been specified with after zero-adjustment finished and the cutoff
frequency set to 50 Hz/60 Hz (see cutoff frequency table in "Digital filters" [p. 3 47]).
Type Range
target
– 10 mV f.s.
20 mV f.s.
100 mV f.s.
200 mV f.s.
1 V f.s.
2 V f.s.
10 V f.s.
20 V f.s.
100 V f.s.
1-5 V f.s.
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Data refresh interval
3 50 ms* 3 100 ms 200 ms 500 ms
2.98 k 2.37 k 739
6.94 k 2.98 k 2.37 k
2.98 k 2.37 k 739
6.94 k 2.98 k 2.37 k
1 year
1 year
23°C ±5°C (73°F ±9°F), 80% RH or less
At least 30 min. after turning on the module
Maximum
Measurable range
resolution
500 nV −10 mV to 10 mV
1 µV −20 mV to 20 mV
5 µV −100 mV to 100 mV
10 µV −200 mV to 200 mV
50 µV −1 V to 1 V
100 µV −2 V to 2 V
500 µV −10 V to 10 V
1 mV −20 V to 20 V
5 mV −100 V to 100 V
500 nV 1 V to 5 V
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Wireless Module Specifications
–: Setting not available
1 s 2 s 5 s
60 60 60 60
739 60 60 60
50 50 50 50
739 50 50 50
Unit: Hz
Measurement
accuracy
±10 µV
±20 µV
±50 µV
±100 µV
±500 µV
±1 mV
±5 mV
±10 mV
±50 mV
±5 mV
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10 s
60
60
50
50