5.2.6 8946 4 ch ANALOG UNIT
Number of input channels 4
Measurement ranges 20, 50, 100, 200, 500 mV/DIV
1, 2, 5 V/DIV
DC amplitude accuracy ±0.5% f.s.
Zero position accuracy ±0.15% f.s. (after zero adjustment)
Temperature characteristic Gain: ±0.05%f.s./℃
Zero position: ±0.02%f.s./℃
Frequency characteristic DC to 100 kHz ±3dB
Noise 1 mVp-p typical, 2 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, 500, 5 k, 50 k ±50% (Hz) -3 dB
Input type Unbalanced (input isolated from output)
Input coupling DC, GND
Input resistance 1MΩ±1%
Input capacitance 15 pF±10 pF (at 100 kHz)
A/D resolution 12 bits
Maximum sampling speed 1 MS/s
Input terminals BNC terminal
Maximum input voltage 30 Vrms or 60 VDC
Maximum rated voltage to
earth
30 Vrms or 60 VDC (between each input channel and main unit, and
between input channels)
Operational ranges for
temperature and humidity
Same as the MEMORY HiCORDER in which the 8946 is installed
Operating place Same as the MEMORY HiCORDER in which the 8946 is installed
Temperature and humidity
ranges for storage
Temperature: -10℃ to 50℃ (14
F to 122
F)
Relative humidity: 80%RH maximum (with no condensation)
Effect of radiated radio-
frequency electromagnetic
field
±2% f.s. at 3V/m
Dielectric strength One minute at 330 VAC between the 8946 and the main unit, and
between the 8946 and the input unit
Dimensions Approx. 170W×20H×148.5D mm (6.69"W×0.79"H×5.85"D)
Mass Approx. 310 g (10.9 oz.)
Standards applying EMC EN61326 ClassA
Safety EN61010
Pollution Degree 2, Overvoltage Category
(anticipated transient overvoltage: 330 V)
Accuracy at 23℃±5℃ (73
F±9
F), 35% to 80%RH after zero adjustment after
30-minute warming-up time. Accuracy guaranteed for 1 year.
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