MR8740、MR8741_user_manual_eng_20191016H.pdf - 第372页

17.6 Specifications of Modules 360 17.6.8 8973 Logic Unit Product warranty p eriod 3 years Period of guaranteed accuracy 1 year No. of input channels 4 Probes (16channels) Input terminals Mini DIN Applicable probes 9320-…

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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
17.6 Specifications of Modules
360
17.6.8 8973 Logic Unit
Product warranty period 3 years
Period of guaranteed accuracy 1 year
No. of input channels 4 Probes (16channels)
Input terminals Mini DIN
Applicable probes 9320-01 Logic Probe, MR9321-01 Logic Probe, 9327 Logic Probe
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 × 204.5 mmD (4.17"W × 0.78"H × 8.05"D)
Mass Approx. 190 g (6.7 oz)
Applicable standards Safety EN61010
EMC EN61326 Class A
17.6 Specifications of Modules
361
Chapter 17 Specifications
16
17
17.6.9 MR8990 Digital Voltmeter Unit
Temperature and humidity
range for guaranteed accuracy
23 ± 5°C (73.4 ± 9.0°F), 20 to 80% RH (when calibration 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 item DC voltage
Measurement ranges
Measurement accuracy
Temperature characteristic ±(0.002% rdg. + 0.00025% f.s.)/°C
A/D conversion measurement
method
 modulation method
Integration time
NPLC: Settable from 0.1 to 0.9 (in increments of 0.1), 1 to 9 (in increments of 1), and 10 to 100 (in
increments of 10)
Response time Within 2 ms + 2 x integration time (rising –f.s. ¨ +f.s., falling +.f.s. ¨ -f.s.)
Fast response ON/OFF
Common mode rejection ratio 100 dB minimum (at 50/60 Hz and with signal source resistance of 100 maximum)
Input type Unbalanced (floating)
Input terminals Banana jacks
Maximum input voltage 500 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 ranges
Same as the host Memory HiCorder
Operating environment Same as the host Memory HiCorder
Storage temperature and hu-
midity ranges
-10°C to 50°C (14°F to 122°F), 80% RH or less (no condensation)
Dimensions Approx. 106 mmW × 19.8 mmH × 196.5 mmD (Approx. 4.17"W × 0.78"H × 7.74"D)
Weight Approx. 260 g (Approx. 9.2 oz.)
Accessories Instruction manual (when shipped alone)
Effect of radiated radio-fre-
quency electromagnetic field
±0.1% f.s. (max) at 3 V/m (in 5 mV/div range)
Applicable standards Safety EN 61010
EMC EN61326 ClassA
Option L2200 Test Lead
* Guaranteed range of measurement accuracy
Measurement Range Effective Input Range
*
Maximum
Resolution
Input Resistance
5 mV/div (f.s. = 100 mV) -120 mV to 120 mV 0.1 V
100 M or more50 mV/div (f.s. = 1000 mV) -1200 mV to 1200 mV 1 V
500 mV/div (f.s. = 10 V) -12 V to 12 V 10 V
5 V/div (f.s. = 100 V) -120 V to 120 V 100 V
10 M ±5%
50 V/div (f.s. = 1000 V) -500 V to 500 V 1 mV
Measurement Range NPLC: Less Than 1 NPLC: 1 or More
5 mV/div (f.s. = 100 mV) ±0.01% rdg. ±0.015% f.s. ±0.01% rdg. ±0.01% f.s.
50 mV/div (f.s. = 1000 mV)
±0.01% rdg. ±0.0025% f.s.
500 mV/div (f.s. = 10 V)
5 V/div (f.s. = 100 V)
±0.025% rdg. ±0.0025% f.s.
50 V/div (f.s. = 1000 V)
Power Frequency Integration Time
50 Hz 20 ms x NPLC
60 Hz 16.67 ms x NPLC