Hioki MR8827, Instruction Manual

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367
Module Specifications
Operating
environment
As per Memory HiCorder in which Model 8970 is installed
Storage temperature
and humidity
As per Memory HiCorder in which Model 8970 is installed
Standards Safety EN61010
EMC EN61326 Class A
Dimensions
Approx. 106W × 19.8H × 196.5D mm (4.17″W × 0.78″H × 7.74″D)
Mass Approx. 250 g (8.8 oz.)
18.6.6 Model 8971 Current Unit
Accuracy figures assume installation in a Memory HiCorder and operation after a 30-minute warm-up period at 23°C
±5°C (73°F ±9°F) and 80% RH (no condensation).
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: 20 A/2 V, 50 A/2 V, 200 A/2 V, 500 A/2 V, 1000 A/2 V*
2
)
(Model 9318 Conversion Cable is required to connect a sensor with Model 8971.)
Measurement range
When Model 9272-10 (20 A), 9277, or CT6841 is used:
100 m, 200 m, 500 m, 1, 2, 5 A/div
When Model CT6862 is used: 200 m, 500 m, 1, 2, 5, 10 A/div
When Model 9272-10 (200 A), 9278, CT6843, or CT6863 is used:
1, 2, 5, 10, 20, 50 A/div
When Model 9279, 9709, CT6844, CT6845, CT6846*
2
, or CT6865*
2
is used:
2, 5, 10, 20, 50, 100 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 Hz to 1 kHz),
±3% f.s. (1 kHz to 10 kHz)
(Sine wave input, filter 5 Hz On, crest factor 2)
Response time* 100 ms (rising from 0% f.s. to 90% f.s.)
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 mA p-p max. (Highest sensitivity range, with input shorted) (for 20 A/2V range)
Low-pass filter OFF, 5, 50, 500, 5 k, 50 k±50% (Hz) −3 dB
Input type Unbalanced input (Not insulated)
Input coupling AC/DC/GND
Input resistance 1 M
Ω
±1%
A/D resolution 12 bits
Maximum sampling
rate
1 MS/s
Specifications
18