MR8740、MR8741_user_manual_eng_20191016H.pdf - 第376页

17.6 Specifications of Modules 364 Input from acceleration sens or with the built-in pre-amplifier Specifica tions for accura cy Measurement range 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k, 20 k, 40 k, 100 k, 200 k m/s 2 f.…

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17.6 Specifications of Modules
363
Chapter 17 Specifications
16
17
General Specifications
Specifications of input, output, and measurement
Common specifications
Voltage input
Charge input
17.6.11 U8979 Charge Unit
Operating environment Indoors, Pollution Degree 2, Operating altitude: up to 2000 m (6562 ft.)
Operating temperature and
humidity
0°C to 40°C (32F to 104F), 80% RH or less (no condensation)
Storage temperature and
humidity
-10°C to 50°C (14F to 122F)
For -10°C or higher but lower than 40°C (14F or higher but lower than 104F), 80% RH
or less (no condensation)
For 40°C or higher but lower than 45°C (104F or higher but lower than 113F), 60% RH or
less (no condensation)
For 45°C to 50°C (113F to 122F), 50% RH or less (no condensation)
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.)
Product warranty period 3 years
Guaranteed accuracy period 1 year
Number of output channels 2 channels
Measurement mode Charge, pre-amplifier, voltage (selectable for each channel)
Input type Unbalanced input (floating)
In each channel, the voltage input terminal has the same-potential ground as the charge input ter-
minal.
Common-mode rejection ratio 80 dB or more (at 50 Hz / 60 Hz, a signal source resistance of 100 )
Anti-aliasing filters Cutoff frequency (fc): 20, 40, 80, 200, 400, 800, 2 k, 4 k, 8 k, 20 k, 40 k (Hz)
Switchable between on and off; the instrument automatically chooses a cutoff frequency along with
the sampling rate.
Attenuation property: -66 dB or higher at a cutoff frequency of 1.5 fc
Maximum sampling rate 200 kS/s
A/D resolution 16 bits (± f.s. = ±25,000 data points)
Maximum rated voltage to
earth
30 V AC, 60 V DC
(between each input channel and the enclosure, between any two of input channels)
Anticipated transient overvoltage: 330 V
Measurement range 10, 20, 40, 100, 200, 400 mV f.s., 1, 2, 4, 10, 20, 40 V f.s.
Maximum input voltage 40 V DC
Frequency characteristics DC to 50 kHz -3 dB (DC-coupled)
1 Hz to 50 kHz -3 dB (AC-coupled, lower cutoff frequency: 1 Hz ±50%)
Noise 80 V p-p (typ.), 120 V p-p (max.), with the highest sensitivity range and the terminals of each
input connector connected with each other
Input resistance 1 M±1%
Input capacitance 200 pF or less (at 100 kHz)
Input coupling AC/DC/GND
Input terminals Metallic BNC terminal
Supported detector Charge-output acceleration detector
Measurement sensitivity 0.1 pC/(m/s
2
) to 10 pC/(m/s
2
)
17.6 Specifications of Modules
364
Input from acceleration sensor with the built-in pre-amplifier
Specifications for accuracy
Measurement range 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k, 20 k, 40 k, 100 k, 200 k m/s
2
f.s.
Measurement sensitivity: 0.1 pC/(m/s
2
) to 0.25 pC/(m/s
2
)
20, 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k, 20 k, 40 k, 100 k m/s
2
f.s.
Measurement sensitivity: 0.251 pC/(m/s
2
) to 0.5 pC/(m/s
2
)
10, 20, 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k, 20 k, 40 k m/s
2
f.s.
Measurement sensitivity: 0.501 pC/(m/s
2
) to 1.0 pC/(m/s
2
)
4, 10, 20, 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k, 20 k m/s
2
f.s.
Measurement sensitivity: 1.001 pC/(m/s
2
) to 2.5 pC/(m/s
2
)
2, 4, 10, 20, 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k m/s
2
f.s.
Measurement sensitivity: 2.501 pC/(m/s
2
) to 5.0 pC/(m/s
2
)
1, 2, 4, 10, 20, 40, 100, 200, 400, 1 k, 2 k, 4 k m/s
2
f.s.
Measurement sensitivity: 5.001 pC/(m/s
2
) to 10.0 pC/(m/s
2
)
Frequency characteristics 1.5 Hz to 50 kHz -3 dB
Maximum input charge ±500 pC (when one of the higher six ranges is chosen)
±50,000 pC (when one of the lower six ranges is chosen)
Input coupling AC/GND
Input terminals Miniature connector (#10-32UNF)
Supported detector Acceleration detector with built-in pre-amplifier
Measurement sensitivity 0.1 mV/(m/s
2
) to 10 mV/(m/s
2
)
Measurement range 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k, 20 k, 40 k, 100 k, 200 k m/s
2
f.s.
Measurement sensitivity: 0.1 mV/(m/s
2
) to 0.25 mV/(m/s
2
)
20, 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k, 20 k, 40 k, 100 k m/s
2
f.s.
Measurement sensitivity: 0.251 mV/(m/s
2
) to 0.5 mV/(m/s
2
)
10, 20, 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k, 20 k, 40 k m/s
2
f.s.
Measurement sensitivity: 0.501 mV/(m/s
2
) to 1.0 mV/(m/s
2
)
4, 10, 20, 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k, 20 k m/s
2
f.s.
Measurement sensitivity: 1.001 mV/(m/s
2
) to 2.5 mV/(m/s
2
)
2, 4, 10, 20, 40, 100, 200, 400, 1 k, 2 k, 4 k, 10 k m/s
2
f.s.
Measurement sensitivity: 2.501 mV/(m/s
2
) to 5.0 mV/(m/s
2
)
1, 2, 4, 10, 20, 40, 100, 200, 400, 1 k, 2 k, 4 k m/s
2
f.s.
Measurement sensitivity: 5.001 mV/(m/s
2
) to 10.0 mV/(m/s
2
)
Power supply for detector 1 Hz to 50 kHz -3 dB
Maximum input charge 3.5 mA ±20%, 22 V ±5%
Input coupling AC/GND
Input terminals Metallic BNC terminal
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 (73F ±9F), 80% RH or less
Warm-up time: 30 minutes or more
Specified after execution of zero-adjustment
Accuracy of voltage
measurement
±0.5% f.s. (with the filter set at 5 Hz)
Temperature characteristic of
voltage measurement
±0.05% f.s./°C
Accuracy of amplitude with
charge inputted
±2% f.s.
Temperature characteristic
with charge inputted
±0.2% f.s./°C
Accuracy of amplitude
inputted from acceleration
detector with built-in
pre-amplifier
±2% f.s.
Temperature characteristics
of input from acceleration
sensor with the built-in
preamplifier
±0.2% f.s./°C
Effect of radiated
radio-frequency
electromagnetic field
±10% f.s. (max.) at 3 V/m (with the filter set at 5 Hz)
Effect of conducted
radio-frequency
electromagnetic field
±10% f.s. (max.) at 3 V (with the filter set at 5 Hz)
17.6 Specifications of Modules
365
Chapter 17 Specifications
16
17
Specifications of functions
Low-pass filter Off, 5 ±50% (voltage input only), 500 ±50%, 5k ±50% (Hz) -3 dB
TEDS IEEE1451.1.4 Class 1 compliant
The instrument reads out sensor information to automatically configure the sensitivity setting.