Yokogawa Removable Chassis DX1000N - Manual (Page 17)

3-3
SM 04L41B01-01E
Testing
1
2
3
4
5
6
7
3.3 Performance Test
Read the warning and cautions below before beginning tests.
Test Environment
Item Conditions
Ambient temperature 23 ±5°C
Relative humidity 20 to 80% RH
Atmospheric pressure 86 kPa-106 kPa
Power supply voltage
AC power supply 90 to 132 VAC, 180 to 250 VAC
24 V power supply 21.6 to 26.4 VAC/DC (/P1 option)
Power supply frequency Nominal frequency ±1%
Power supply waveform Distortion factor of 5% or less
DC power supply ripple Content ratio of 0.1% or less
Vibration A value having negligible effects on the instrument
Position Within ±3% of the specified position
Interference *1 A value that does not affect the measured results
Electrical field A value that does not affect the measured results
Magnetic field A value that does not affect the measured results
Atmospheric pollutants
Levels of corrosive gasses, vapors, salts, and dust that do not affect
the measured results.
Other external effects *2 A value that does not affect the measured results
*1 Interference refers to common mode noise, series mode noise, power supply noise, and
other phenomena in the signal line.
*2 Other external effects include luminance, draft, ultrasonic waves, and radiation.
Test Instruments
Instrument Specifications
DC voltage generator Accuracy: ±0.005% of setting + 1 µV
DMM Accuracy: ±0.005% of rdg + 1 µV
Variable resistors Accuracy: 0.01% + 2 mΩ or better
Insulation tester 500 VDC
Withstand voltage tester 500 to 2300 VAC, 1000 VDC
Function generator Accuracy: ±20ppm of setting for 100 Hz
0°C standard temperature device Accuracy: ±0.05°C
Thermocouple (Type T) Calibrated
Instrument Operation
For operating procedures in setting mode and basic setting mode, see the following
manuals.
• DX1000/DX1000N Operation Guide (IM 04L41B01-02E)
• DX1000/DX1000N User’s Manual (IM 04L41B01-01E)
• DX2000 Operation Guide (IM 04L42B01-02E)
• DX2000 User’s Manual (IM 04L42B01-01E)
Tests
The following tests are explained.
• Insulation Resistance
• Reference Junction Compensation Accuracy
• Protective Grounding • Battery Backup
• Withstand Voltage • Pulse Input Function (Option)
• Measurement Accuracy