General Specifications - YOKOGAWA WE7281 User Manual

5.3 General Specifications

Safety Standards
EMC Standards
Standard Operating Conditions
Warm-up Time
Maximum Common-Mode Voltage (between L Terminal and Ground)
Maximum Voltage between Channels
Withstand Voltage
Insulation Resistance (between Output Terminal and Ground and between Channels)
Output Connector
Maximum Output Cable Length
Operating Conditions
Storage Conditions
Power Consumption
External Dimensions
IM 707281-01E
Complies with CSA C22.2 No.1010.1 and EN61010-1, conforms to JIS C1010-1
• Overvoltage Category CAT I and II
*2
• Pollution Degree 1 and 2
Emission
Complying Standard
EN55011 Group 1 Class A
This product is a Class A (for industrial environment) product. Operation of this product
in a residential area may cause radio interference in which case the user is required to
correct the interference.
Immunity
Complying Standard
EN50082-2
Testing Condition
• WE7281: Connect with the 3 m twisted pair wire.
• WE7282: Connect with the 3 m coaxial cable (3D-2W).
Ambient temperature: 23±5°C, Ambient humidity: 50±10%RH, Error on supply voltage/
frequency: within 1% of rating, after the warm-up time has passed
At least 30 minutes
WE7281: ±250 VDC or ±250 VACrms
WE7282: ±42.4 VDC + ACpeak
WE7281: ±250 VDC or ±250 VACrms
WE7282: ±42.4 VDC + ACpeak
Between output terminal and ground
WE7281/WE7282: 1500 VACrms at 60 Hz for one minute
Between channels
WE7281: 2300 VACrms at 60 Hz for one minute
WE7282: 1500 VACrms at 60 Hz for one minute
10 MΩ or more at 500 VDC
WE7281: Clamp type terminal (terminal block is detachable)
WE7282: Isolated BNC
20 m (However, the output waveform may distort if the cable length exceeds 3 m.)
Same as those of the measuring station
Temperature: –20°C to 60°C
Humidity: 20% to 80%RH (no condensation)
3
15 VA (typical value* at 100 V/50 Hz)
Approx. 33(W) × 243(H) × 232(D) mm (projections excluded)
*1
5
5-5