Ceyear 4041 Series, User Manual

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Appendix A Test Results of Performance Characteristics
189
configured)
Communication
interface
/ Front panel USB interface: Type A, two
/ Rear panel USB interface: Type A, two; type
B, one
/ LAN interface: RJ45 type
Frequency
reference
/
Reference input/output, BNC female type
Other interface
/ GPS antenna, external trigger output, zero
span medium frequency output: BNC female
type
/ VGA interface: 15-pin D-SUB adapter
26 Safety
/ Electrical strength resistance requirements:
AC 1,500 V, 10 mA/min; no breakdown, no
arc.
mA
Voltage 242 V, leakage current:
≤
3.5 mA,
1 min.
MΩ
The insulation resistance between the power
input end and the housing shall not be smaller
than 100 MΩ under standard atmospheric
pressure.
The insulation resistance between the power
input end and the housing shall not be smaller
than 2 MΩ in the humid environment
respectively.
Description
1. “√” indicates that the function is normal or it meets the requirements; “X” indicates that the
function is abnormal or it doesn’t meet the requirements;
2. “/” indicates that this test item is not available.
Comprehensive judgment: PASS
□
FAIL
□