electric power, petrochemical, metallurgy, railway, factories and mining, R&D
institutes, metrological department. It is particularly needed in electric
charging and relay protection system, electric power calculation, check and
monitoring from power supply remarketing departments as well as electric
installment, relay protection, differential inspection, start-up testing, power
transformation check , electrical training, skill competition performed by
technical department.
II. Electrical Symbols
Extreme danger! The operator must strictly observe safety rules to
avoid electric shock, personal injury or accidents
Danger! The operator must follow safety rules to avoid electric shock,
personal injury or accidents.
Warning! Strictly adhere to safety rules to avoid any personal injury
or equipment damage.
Alternate Current(AC)
direct Current(DC)
Dual Insulation
23
1
-10
40
40%
60%
80%
=0.01
50HZ
1HZ
45HZ
65HZ
9V
0.1V
9V
1.5V
Impact factors
Reference
conditions
Operating
Conditions
Notes
Ambient Temperature
Ambient Humidity
Waveform
Sine wave
Sine wave
Frequency
Working Voltage
III. Technical Specifications
1. Reference and Operating Conditions
8
9
