MR8740、MR8741_user_manual_eng_20191016H.pdf - 第370页

17.6 Specifications of Modules 358 *: During current measurement, add the accur acy and characeristic of clamp s ensor using with Model 8971. * 2 : The instrument recognizes this as a 500 A AC/DC sensor is connected; set…

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17.6 Specifications of Modules
357
Chapter 17 Specifications
16
17
Storage temperature and hu-
midity ranges
Same as the Memory HiCorder in which the 8970 is installed
Operating environment Same as the Memory HiCorder in which the 8970 is installed
Applicable standards Safety EN 61010, EMC EN 61326 Class A
Dimensions Approx. 106W x 19.8H x 196.5D mm (4.17"W x 0.78"H x 7.74"D) (excluding projections),
Mass Approx. 250 g (8.8 oz.)
17.6 Specifications of Modules
358
*: During current measurement, add the accuracy and characeristic of clamp sensor using with Model 8971.
*
2
: The instrument recognizes this as a 500 A AC/DC sensor is connected; setting the ratio of the scaling function to 2 is required.
17.6.6 8971 Current Unit
Temperature and humidity
range for guaranteed accuracy
23°C ± 5°C (73.4 ± 9.0°F), 20% RH to 80% RH (when zero adjustment is executed 30 minutes
after power on)
Product warranty period 3 years
Guaranteed accuracy period 1 year
Number of input channels 2 channels
Applicable current sensors Model 9272-10, 9277, 9278, 9279, 9709, CT6841, CT6843, CT6844, CT6845, CT6846,
CT6862, CT6863, CT6865
Hioki current sensors with RM515EPA-10PC (Hirose) installed
(Supported conversion ratios: 2 V/20 A, 2 V/50 A, 2 V/200 A, 2 V/500 A, 2 V/1000 A*
2
)
(To connect with Model 8971, using Model 9318 Conversion Cable)
Measurement ranges When using the Model 9272-10 (20 A), 9277, CT6841:
100 m, 200 m, 500 m, 1, 2, 5 A/div
When using the Model 9272-10 (200 A), 9278, CT6843, CT6863:
1, 2, 5, 10, 20, 50 A/div
When using the Model 9279, 9709, CT6844, CT6845, CT6846*
2
, CT6865*
2
:
2, 5, 10, 20, 50, 100 A/div
When using the Model CT6862: 200 m, 500 m, 1, 2, 5, 10 A/div
Measurement accuracy* ±0.65%f.s. (filter 5 Hz ON)
±0.85%f.s. (filter 5 Hz ON, for using with Model 9278 or 9279)
RMS accuracy* ±1%f.s. (DC, 30 to 1 kHz), ±3%f.s. (1 kHz to 10 kHz), (Sine wave input, filter 5 Hz ON)
Response time* 100 ms (rise 090%f.s.)
Crest factor 2
Temperature characteristic* ±0.075%f.s./°C
Frequency characteristic* DC Coupling: DC to 100 kHz ±3 dB
AC Coupling: 7 Hz to 100 kHz ±3 dB (low cut-off frequency 7 Hz±50%)
Noise* 10 mAp-pmax (sensitivity range, with input shorted) (for 20 A/2V range)
Low-pass filter OFF, 5, 50, 500, 5k, 50 k±50%(Hz)-3 dB
Input type Unbalanced (Not insulated)
Input coupling AC/DC/GND
Input resistance 1M±1%
A/D resolution 12 bit
Maximum sampling rate 1 MS/s
Input terminals Sensor connector HR10A-10R-S (HIROSE)
Operating temperature and
humidity ranges
Same as the Memory HiCorder in which the 8971 is installed
Operating environment Same as the Memory HiCorder in which the 8971 is installed
Storage temperature and hu-
midity ranges
-10 to 50°C (14 to 122°F), 80% RH or less (no condensation)
Dimensions Approx. 106W x 19.8H x 196.5D mm (4.17"W x 0.78"H x 7.74"D) (excluding projections)
Mass Approx. 250 g (8.8 oz.)
Applicable Standards Safety EN 61010
EMC EN 61326 Class A
Accessories For connecting the clamp sensor: Model 9318 Conversion Cable x 2, Instruction Manual
Number of the 8971 available
for Memory HiCoder
Max. 4 unit (for Model MR8740)
(cannot be used with MR8741)
17.6 Specifications of Modules
359
Chapter 17 Specifications
16
17
17.6.7 8972 DC/RMS Unit
Temperature and humidity
range for guaranteed accuracy
23 ± 5°C (73.4 ± 9.0°F), 20 to 80% RH (when zero adjustment is executed 30 minutes after power
on)
Product warranty period 3 years
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 ±0.5% f.s. (Filter 5 Hz On)
RMS accuracy ±1% f.s. (DC, 30 Hz to 1 kHz),
±3% f.s. (1 kHz to 100 kHz) (Sine wave input, response time: SLOW)
Response time Slow 5 s (during rise 0 to 90% f.s.), Mid 800 ms (during rise 0 to90% f.s.),
Fast 100 ms (during rise 0 to 90% f.s.)
Crest factor 2
Temperature characteristic ±0.045% f.s./°C
Frequency characteristic DC coupling: DC to 400 kHz ±3 dB
AC coupling: 7 Hz to 400 kHz ±3 dB (low cut-off frequency: 7 Hz±50%)
Noise 500 Vp-p (typ), 750 Vp-p (max) (sensitivity range, with input shorted)
Common mode rejection ratio 80 dB minimum (at 50/60 Hz and with signal source resistance 100 maximum)
Low-pass filter Off, 5±50%, 50±50%, 500±50%, 5k±50%, 100k±50%(Hz)-3 dB
Input type Unbalanced (floating)
Input coupling AC/DC/GND
Input resistance 1 M±1%
Input capacitance 30 pF±10 pF (at 100 kHz)
A/D resolution 12 bits
Maximum sampling rate 1 MS/s
Input terminals Insulated BNC terminal
Maximum input voltage 400 VDC
Maximum rated voltage to
earth
300 V AC, DC (between input channels and chassis, and between input channels)
Measurement category II (anticipated transient overvoltage 2500 V)
Operating temperature and
humidity
Same as the host Memory HiCorder
Operating environment Same as the host Memory HiCorder
Storage temperature and hu-
midity
Temperature -10 to 50°C (14 to 122°F), 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 radio-fre-
quency 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 (100 mV/div range, with1 VDC input)
Applicable standards Safety EN61010
EMC EN61326 Class A