YOKOGAWA DL716, User Manual

Page: 234 / 255

15-12
IM 701830-01E
15.21 High-Resolution, Isolation Module (701853)
Item Specifications
Number of input channels 1
Input coupling settings AC, DC, GND
Maximum sample rate 100 kS/s
Input format Isolated unbalanced
Frequency characteristics*
1
10 mV/div to 20 V/div : DC to 40 kHz
(-3 dB point when sine wave 50 mV/div : DC to 30 kHz
of amplitude ± 3 div is input)
Voltage-axis sensitivity setting 5 mV/div to 20 V/div (1-2-5 steps)
Maximum input voltage (across input terminals H and L*
2
)
(At 1 kHz or less) 100 V(DC+ACpeak)(CAT I and II, 69 Vrms)
Maximum allowable common (across input terminal H or L and earth*
3
)
mode voltage 400 Vrms (CAT I and II)
(At 1 kHz or less) (Specification when the EN61010-1 standard does not need to be satisfied: 600 Vrms)
Vertical (voltage) axis accuracy
DC accuracy*
1
*
4
5 mV/div : ± (1% of 8 div)
(bandwidth limit Auto excluded) 10 mV/div : ± (0.5% of 8 div)
20 mV/div to 20 V/div : ± (0.3% of 8 div)
Input connector Safety binding post
Input impedance 1 M Ω ± 1%
-3dB point for AC coupling used 1 Hz or less
Common mode rejection ratio 80dB(50/60 Hz) or more (typical*
6
)
Residual noise*
5
Larger of ± 50 µ V or ± 0.01 div (typical*
6
)
Withstand voltage 3700 VAC for 1 minute
(across input terminal and earth) (60 Hz)
Isolation resistance 10 M Ω or more (500 VDC)
(across input terminal and earth)
A/D conversion resolution 16 bit (8000 LSB/div)
Temperature coefficient
Zero point
± (0.02% of 8 div)/ ° C (bandwidth limit Auto excluded)
Gain ± (0.02% of 8 div)/ ° C (bandwidth limit Auto excluded)
Bandwidth limit Select from OFF/Auto/40 Hz/400 Hz/4 kHz
Anti-aliasing filter When the bandwidth limit is Auto, the following anti-aliasing filter and low pass filter are set
according to the sample rate.
sample rate anti-aliasing filter low pass filter
100 kS/s 40 kHz OFF
50 kS/s 20 kHz OFF
20 kS/s 8 kHz OFF
10 kS/s 4 kHz 4 kHz
5 kS/s 2 kHz 4 kHz
2 kS/s 800 Hz 4 kHz
1 kS/s 400 Hz 400 Hz
500 S/s 200 Hz 400 Hz
200 S/s 80 Hz 400 Hz
100 S/s 40 Hz 40 Hz
50 S/s 20 Hz 40 Hz
20 to 5 S/s 20 Hz 40 Hz
2 S/s or less 20 Hz 40 Hz
* Cut-off characteristic : -72 dB/1.5fc
*1 Measured value under standard operating conditions (refer to page 15-6)
H
L *3
*2
701853
Input
terminal
earth
*4 When set to position center
*5 Measured under the following conditions: input block shorted
*6 Typical (or average) value; not guaranteed