Hioki 8841 - 8939 Strain Unit

407
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19.2 Analog Inputs
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16
17
18
19
5
6
7
8
9
10
11
12
13
14
A
19.2.4 8939 STRAIN UNIT
Number of input channels
2 channels
Appropriate adapter
Strain gauge adapter, Bridge resistance: 120
Ω
to 1 k
Ω
Bridge voltage
2±0.05 Ｖ
Balancing
Electronic auto-balancing
Balance adjustment range ±10000με max.
Measurement ranges
20, 50, 100, 200, 500, 1000με/DIV
DC amplitude accuracy ±（0.5%f.s.＋2με）
Zero position setting range
-50 to 150% of the recording width (in full-size representation of the
measurement range)
Zero position accuracy ±0.5%f.s.
Temperature characteristic
Gain: ±0.05%f.s./
o
C
Zero position: ±2 με/
o
C（20,50με/DIV）±0.1%f.s./
o
C（other ranges）
Frequency characteristic
DC to 20 kHz
＋1
−
3
dB
Low-pass filter
OFF,10Hz,30Hz,300Hz,3kHz±30%, -3dB
A/D resolution
12 bits
Maximum sampling speed
1 MS/s (sampling period: 1μs)
Maximum input voltage
10 V (DC + AC peak)
Maximum rated voltage to
earth
30 Vrms or 60 VDC
Operational ranges for
temperature and humidity
Same as the MEMORY HiCORDER in which the 8939 is installed
Location for use
Same as the MEMORY HiCORDER in which the 8939 is installed
Temperature and humidity
ranges for storage
Temperature: -10
o
Cto50
o
C (14
｡
Fto122
｡
F)
Relative humidity: 80%RH max. (with no condensation)
Effect of radiated radio-
frequency electromagnetic
field
±5%f.s. at 3V/m
Dielectric strength
Between 8939 and main unit, between 8939 and input unit: 400 VAC for a
minute
Dimensions / Mass
Approx. 170W×20H×148.5D mm (6.69"W×0.79"H×5.832"D)
Approx. 250 g (8.8 oz)
Accessories
Conversion cable×2 (Compatible sensor connector: PRC03-12A10-7M10.5
by TAJIMI)
Standard Applying
EMC EN61326, Class A
Safety EN61010
Pollution Degree 2, measurement categoryⅠ
(anticipated transient overvoltage 330 V)
Accuracy at 23
o
C
±
5
o
C, 35% to 80%RH after auto-balancing,
after 60-minutes warming-up time. Accuracy guaranteed for 1 year