Hioki 8841 - Chapter 18 Specifications; General Specifications

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18.1 General Specifications
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A
Measurement functions
Memory recorder
Recorder
RMS recorder
Recorder & Memory
FFT
High-speed data saving
Real time recording
For commercial power supplies
Real time recording & High-speed data saving
Frequency analysis
Number of channels (maximum)
16 analog channels + 16 logic channels
(The logic channels are standard equipment for the 8841/42, common
ground with main unit)
Memory capacity
Standard: 8 M words
Expansion: 32 M words (8 M words (Standard) added 24 M words
(expansion))
Expansion memory
24 M words (32 M words added 8 M words)
Maximum sampling period
1
μ
s (all channels simultaneously) External sampling period
（
2
μ
s
）
Time axis accuracy
±
0.01% (difference between grid and actual time)
Input method
Plug-in analog unit
External control terminals
External trigger input, trigger output, GO/NG output, external start/stop,
print input, external sampling
Time measurement functions
Auto calendar with automatic leap year, 24 hour clock
Backup battery and lifetime
Used for clock and to preserve waveforms and settings, approx.10 years
(reference value at 25
o
C (77
｡
F)
Operating Environment
Indoors, altitude up to 2000 m (6562 feet)
Operational ranges for
temperature and humidity
Temperature: 5
o
Cto40
o
C (41
｡
Fto104
｡
F)
Relative humidity: 35% to 80%RH (with no condensation)
Temperature and humidity ranges
for assured accuracy
Guaranteed accuracy period
Temperature: 23
±
5
o
C (73
｡
F
±
9
｡
F)
Relative humidity: 35% to 80%RH (with no condensation)
1 year
Temperature and humidity ranges
for storage
Temperature: -10
o
Cto50
o
C (50
｡
Fto122
｡
F)
Relative humidity: 20% to 90%RH (with no condensation)
Insulation resistance
Between the main unit and the power supply, between the input units
and the main unit, and between the input units:
At least 100 M
Ω
/500 VDC
Chapter 18
Specifications
18.1 General Specifications
Basic specifications