MR8740T_Quick guide_eng_20191016H.pdf - 第144页

138 Specications of the Options Measurable range DC voltage 5 V range −0.200 00 V to +5.500 00 V 0.5 V range (for resistance output function only) −0.200 000 V to +0.500 000 V DC current 5 mA range −5.500 00 mA to +5.50…

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137
Specications of the Options
Model U8794 VIR Generator Unit
Operating
environment
Indoors, Pollution Degree 2, Operating altitude: up to 2000 m (6562 ft.)
Operating
temperature and
humidity
0°C to 40°C (32°F to 104°F), 80% RH or less (no condensation)
Storage temperature
and humidity
−10°C to 50°C (14°F to 122°F), 80% RH or less (no condensation)
Standards Safety: EN 61010
EMC: EN 61326 Class A
Dimensions Approx. 106W × 19.8H × 196.5D mm (4.17″W × 0.78″H × 7.74″D) (excluding protrusions)
Mass Approx. 280 g (9.9 oz.)
Product warranty
period
3 years
Output item DC voltage, DC current, resistance (simulated output), AC voltage (sine wave)
Default setting: DC voltage
Output range DC voltage 5 V range −0.100 0 V to +5.300 0 V
Output current: −5 mA to +5 mA
Setting resolution: 0.1 V
DC current Current
Output
voltage
Open
terminal
voltage
5 mA range −5.000 0 mA to +5.000 0 mA
Setting resolution: 0.1 µA
−0.1 V to
+5.3 V
9 V max.
1 mA range −1.000 00 mA to +1.000 00 mA
Setting resolution: 0.01 µA
250 µA range −250. 00 µA to +250.00 µA
Setting resolution: 0.01 µA
50 µA range −50. 000 µA to +50. 000 µA
Setting resolution: 0.001 µA
Resistance 10
Ω
to 1 M
Ω
Setting resolution: 6 digits
DC voltage Amplitude 5.0 V p-p
Setting resolution: 0.1 V
DC offset 0.1 V to 2.5 V
Setting resolution: 0.1 V
Frequency 10 Hz, 20 Hz, 50 Hz, 100 Hz
Measurement item DC voltage, DC current, AC current
5
Specications
138
Specications of the Options
Measurable range DC voltage 5 V range −0.200 00 V to +5.500 00 V
0.5 V range
(for resistance
output function
only)
−0.200 000 V to +0.500 000 V
DC current 5 mA range −5.500 00 mA to +5.500 00 mA
(Fixed at 5 mA range for voltage output function)
1 mA range −1.000 000 mA to +1.000 000 mA
250 µA range −250.000. 00 µA to +250.000 µA
50 µA range −50.000. 0 µA to +50.000. 0 µA
AC voltage 5.500 0 mA p-p (xed at 5 mA range)
Measurement
method
Delta-sigma method
Integration
time of voltage
measurement
and current
measurement
1 PLC (20 ms for a power frequency of 50 Hz, 16.67 ms for a power frequency of 60 Hz)
Number of channels 8 channels (isolated between any two of channels)
Output terminal D-sub 25 pin
Maximum rated
voltage to earth
25 V
Anticipated transient overvoltage: 25 V
Conditions of
guaranteed accuracy
Guaranteed accuracy period: 1 year
Guaranteed accuracy period after adjustment made by Hioki: 1 year
Temperature and humidity for guaranteed accuracy: 23°C ±5°C (73°F ±9°F), 80% RH or
less
Warm-up time: 30 minutes or more
*When outputting a resistance
• The product of the set resistance value and output current is 30 mV or more.
• The response coefcient of the resistance generation stands at 0.0002.
139
Specications of the Options
Output accuracy
DC voltage 5 V range ±0.035% of setting ± 800 µV
Temperature
coefcient
Add the following value when operating the instrument
in temperature ranges of 0°C to 18°C and of 28°C to
40°C.
[0.1 × (output accuracy)] /°C
Output resistance 100 m
Ω
or less
Overshoot When an output changes from 0% to 100% of a setting
value
Less than 5% (reference value with resistance load)
Output settling time Time an output signal takes to settle within 0.1% of the
range value when the signal changes from 0% to 100%
of the range
5 ms (reference value with no load)
DC current 5 mA range ±0.050% of setting ± 4.0 µA
Temperature
coefcient
Add the following value when operating
the instrument in temperature ranges of
0°C to 18°C and of 28°C to 40°C.
[0.1 × (output accuracy)] /°C
1 mA range ±0.050% of setting ± 800 nA
Temperature
coefcient
Add the following value when operating
the instrument in temperature ranges of
0°C to 18°C and of 28°C to 40°C.
[0.1 × (output accuracy)] /°C
250 µA range ±0.050% of setting ± 200 nA
Temperature
coefcient
Add the following value when operating
the instrument in temperature ranges of
0°C to 18°C and of 28°C to 40°C.
[0.1 × (output accuracy)] /°C
50 µA range ±0.050% of setting ± 40 nA
Temperature
coefcient
Add the following value when operating
the instrument in temperature ranges of
0°C to 18°C and of 28°C to 40°C.
[0.1 × (output accuracy)] /°C
Overshoot When an output changes from 0% to 100% of a setting
value
Less than 5% (reference value with resistance load)
Output settling time Time an output signal takes to settle within 0.1% of the
range value when the signal changes from 0% to 100%
of the range
5 ms (reference value with short-circuited load)
Resistance Current generation
range
Voltage measurement 0.5 V range Voltage measurement 5 V range
Percent of output
Floor [
Ω
]
Percent of output
Floor [
Ω
]
5 mA range
0.09 + 0.4000 /
I
0.10 /
I
+ 0.1 0.09 + 0.0040 /
I
0.70 /
I
+ 0.1
1 mA range
0.09 + 0.0800 /
I
0.10 /
I
+ 0.1 0.09 + 0.0800 /
I
0.70 /
I
250 µA range
0.09 + 0.0200 /
I
0.10 /
I
0.09 + 0.0200 /
I
0.70 /
I
50 µA range
0.09 + 0.0040 /
I
0.10 /
I
0.09 + 0.0040 /
I
0.70 /
I
Current values
I
are represented in milliamperes.
Output settling time Time an output signal takes to settle within 200% of
the accuracy specication centered on the nal value
(A setting resistance and an output resistance of a
connected object are in a ratio 1:1, with no capacitive
load)
When connected-object presumption is not performed:
1.5 s or less (response coefcient of resistance
generation: 0.0002)
When connected-object presumption is performed: 100
ms or less
5
Specications