MR8740T_Quick guide_eng_20191016H.pdf - 第138页

132 Specications of the Options Model MR8790 W aveform Generator Unit Conditions of guaranteed accuracy Specied under the following conditions: operated at 23°C±5°C (73°F±9°F) and 80% RH or less after a half-hour (at l…

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131
Specications of the Options
Effect of radiated
radio-frequency
electromagnetic eld
±0.1% f.s. (max.) at 3 V/m (in the 1 V f.s. range)
Effect of conducted
radio-frequency
electromagnetic eld
±0.1% f.s. (max.) at 3 V (in the 1 V f.s. range)
Common-mode
rejection ratio
100 dB or more (at 50 Hz / 60 Hz, a signal source resistance of 100
Ω
)
5
Specications
132
Specications of the Options
Model MR8790 Waveform Generator Unit
Conditions of
guaranteed accuracy
Specied under the following conditions: operated at 23°C±5°C (73°F±9°F) and 80% RH
or less after a half-hour (at least) warm-up (when installed in a Memory HiCorder)
Product warranty
period
3 years
Guaranteed accuracy
period
1 year
Guaranteed
accuracy period after
adjustment made by
Hioki
1 year
Number of output
channels
4 channels (isolated between enclosure and output, and between every channel)
Self-diagnosis
function
Available (with the voltage and current monitors)
Switchable between
the voltage and
current monitors
Resolution: 5 µA (current monitor), 10 mV (voltage monitor)
Monitor accuracy: ±3.0% f.s. (f.s. = 10 V: voltage monitor, f.s. = 5 mA: current monitor)
Maximum output
current
±5 mA
Allowable load
resistance
2 k
Ω
or more
Output terminal SMB terminal
Output conguration Waveform output / open / short-circuit
Output relay
switching time
5 ms or less
Output protection The output current is limited to 40 mA (when the output terminals are are connected with
each other)
Maximum rated
voltage to earth
33 V rms AC or 70 V DC (between each output channel and enclosure, between any two
of output channels)
Anticipated transient overvoltage: 330 V
Withstanding voltage 350 V AC (sensitivity current: 1 mA) (between each output channel and enclosure,
between any two of output channels)
Operating
temperature and
humidity
Consistent with the specications of Memory HiCorder in which Model MR8790 is installed.
Operating
environment
Consistent with the specications of Memory HiCorder in which Model MR8790 is installed.
Storage temperature
and humidity
−20°C to 50°C (−4°F to 122°F), 90% RH or less (no condensation)
Dimensions Approx. 106W × 19.8H × 196.5D mm (4.17″W × 0.78″H × 7.74″D) (excluding protrusions)
Mass Approx. 230 g (8.1 oz.)
Standards Safety: EN61010
EMC: EN61326 Class A
Effect of radiated
radio-frequency
electromagnetic eld
±3% f.s. (max.) at 3 V/m (f.s. = 10 V)
Effect of conducted
radio-frequency
electromagnetic eld
±1% f.s. (max.) at 3 V (f.s. = 10 V)
133
Specications of the Options
Options Model L9795-01 Connection Cable (terminal type: SMB terminal - alligator clip)
Model L9795-02 Connection Cable (terminal type: SMB terminal - BNC terminal)
Maximum output
voltage
±10 V
Resolution 16 bits
Output frequency Output frequency: DC, 0 Hz to 20 kHz (sine wave)
Setting resolution: 1 Hz
Frequency accuracy: ±0.01% of setting
Amplitude Measurable range: 0 V p-p to 20 V p-p
Setting resolution: 1 mV
Amplitude accuracy: ±0.25% of setting ±2 mV p-p (1 Hz to 10 kHz),
±0.6% of setting ±2 mV p-p (more than 10 kHz to 20 kHz)
DC offset Setting range: −10 V to 10 V (The peak value, which is the total of amplitude and DC
offset, is limited to ±10 V)
Setting resolution: 1 mV, offset accuracy: ±3 mV
DC output Output accuracy: ±0.6 mV
5
Specications