Hioki 8847, Instruction Manual

Page: 316 / 372

17.6 Input Modules Specifications
306
17.6.3 8968 High Resolution Unit
Temperature and humidity range
for guaranteed accuracy 23 ± 5°C (73 ± 9F°), 20 to 80% RH (when zero adjustment is executed 30 minutes after power on)
Period of guaranteed accuracy 1 year
No. of input channels 2 channels
Measurement ranges 5, 10, 20, 50, 100, 200, 500 mV, 1, 2, 5, 10, 20 V/div
Measurement accuracy ±0.3% f.s. (Filter 5 Hz On, after zero adjustment)
Temperature characteristic ±0.045% f.s./°C
Frequency characteristic DC coupling: DC to 100 kHHz -3 dB
AC coupling: 7 Hz to 100 kHz -3 dB (low-cut frequency: 7 Hz±50%)
Noise 500
μ
Vp-p (typ), 1 mVp-p (max) (sensitivity range, with input shorted)
Common mode rejection ratio 80 dB minimum (at 50/60 Hz and with signal source resistance 100
Ω
maximum)
Low-pass filter Off, 5±50%, 50±50%, 500±50%, 5 k±50%, 50k±50%(Hz)-3 dB
Anti-aliasing filter Cutoff frequency (fc) 20, 40, 80, 200, 400, 800, 2k, 4k, 8k, 20k, 40k (Hz)
(Automatic setting when the anti-aliasing filter is ON)
Attenuation property at 1.5 fc, -66 dB or higher
Input type Unbalanced (floating)
Input coupling AC/DC/GND
Input resistance 1 M
Ω
±1%
Input capacitance 30 pF±10 pF (at 100 kHz)
A/D resolution 16 bit
Maximum sampling rate 1 MS/s
Input terminals Insulated BNC terminal
Maximum input voltage 400 VDC
Isolation resistance and With-
stand voltage 2.704 kVAC for 1 minute, (between input module and chassis, and between input modules) At least
100 M
Ω
at 500 VDC
Maximum rated voltage to earth 300 VAC/DC (between input channels and chassis, and between input channels)
Measurement category II (anticipated transient overvoltage 2500 V)
Operating temperature and hu-
midity Same as the host Memory HiCorder
Operating environment Same as the host Memory HiCorder
Storage temperature and humid-
ity Temperature -10 to 50°C Humidity 80% RH or less (non-condensating)
Dimensions Approx. 106 mmW × 19.8 mmH × 207.5 mmD (4.17"W × 0.78"H × 8.17"D)
Mass Approx. 250 g (8.8 oz)
Effect of radiated ratio-frequency
electromagnetic field ±15% f.s. (max) at 3 V/m
Effect of conducted radio- fre-
quency electromagnetic field ±20% f.s. (max) at 3 V (at
100
mV/
div
range,
1 VDC
input)
Applicable standards Safety EN61010
EMC EN61326 Class A