YOKOGAWA DL850 ScopeCorder, User Manual, Page: 145 / 190

6-37
IM DL850-03EN
Specifications
1
2
3
4
5
6
App
Index
Frequency Module (701280) Specifications
Item Specifications
Standard operating conditions Temperature:
Humidity:
23 ±5°C
20 to 80% RH
After a 30-minute warm-up and after calibration
Measurement function Frequency, RPMs, RPSs, period, duty cycle, power supply frequency, pulse width, pulse
integration, and velocity
Effective measurement range 20 div (display range: 10 div)
Number of input channels 2
Data update rate 25 kHz (40 µs)
Output delay time Up to 2 computation periods
Input format Isolated unbalanced
Input connector Metal BNC connector
Maximum input voltage Combined with the 700929(10:1) or 701947(100:1):
2
Combined with the ( 701954) (1:1) or direct input (cable
that does not comply with the safety standards):
4
420 V (DC+ACpeak)
42 V (DC+ACpeak)
Maximum allowable common
mode voltage
Working voltage of safety standard
Combined with the 700929(10:1) or 701947(100:1):
3
300 Vrms (CAT II)
Combined with the ( 701954) (1:1) or direct input (cable that does not comply with
the safety standards):
5
42 V (DC+ACpeak) (CAT II, 30 Vrms)
Insulation resistance 500 VDC, 10 MΩ or more (across each input terminal and earth)
Minimum measurement resolution 50 ns
Measured data resolution
16 bits (2400 LSB/div)
Measurement accuracy
1
• When in frequency, RPM, RPS, or velocity measurement mode
6
Measurement accuracy is specified according to the measurement range and input
frequency
[Definition of measurement accuracy]
v±(0.05% of 10 div + accuracy dependent on the input frequency)
[Accuracy dependent on the input frequency]
When input frequency is 2 kHz or less:
Input frequency of 2 kHz to 10 kHz:
Input frequency of 10 kHz to 20 kHz:
Input frequency of 20 kHz or higher:
0.05% of the input fre 0.001 Hz
0.1% of the input frequency
0.3% of the input frequency
0.5% of the input frequency
• When in power supply frequency mode
7
When the center frequency is 50/60 Hz:
When the center frequency is 400 Hz:
(Input set to AC100 V or AC200 V with
sine wave input)
±0.03 Hz (0.01 Hz resolution)
±0.3 Hz (0.01 Hz resolution)
• When in period measurement mode
6
Measurement accuracy is specified according to the measurement range and input period
[Definition of measurement accuracy]
±(0.05% of 10 div + accuracy dependent on the input period)
[Accuracy dependent on the input period]
Input period of 500 µs or greater:
Input period of 100 µs to 500 µs:
Input period of 50 µs to 100 µs:
Input period of 50 µs or less:
0.05% of the input period
0.1% of the input period
0.3% of the input period
0.5% of the input 0.1 µs
• When in duty cycle measurement mode
8
Dependent on the input frequency
Input frequency of 1 kHz or less:
Input frequency of 1 kHz to 10 kHz:
Input frequency of 10 kHz to 50 kHz:
Input frequency of 50 kHz to 100 kHz:
Input frequency of 100 kHz to 200 kHz
:
±0.1%
±0.2%
±1.0%
±2.0%
±4.0%
• When in pulse width measurement mode
8
Measurement accuracy is specified according to the measurement range and input pulse width
[Definition of measurement accuracy]
±(0.05% of 10 div + accuracy dependent on the input pulse width)
[Accuracy dependent on the input pulse width]
Input pulse width of 500 µs or greater:
Input pulse width of 100 µs to 500 µs:
Input pulse width of 50 µs to 100 µs:
Input pulse width of 50 µs or less:
0.05% of the input pulse width
0.1% of the input pulse width
0.3% of the input pulse width
0.5% of the input pulse width + 0.1 µs
6.13 Module Specifications