Electrical Symbols; Iii.technical Specifications; Reference And Operating Conditions - UNI-T UT267B Operating Manual

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.
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Alternate Current(AC)
direct Current(DC)
Dual Insulation
III. Technical Specifications

1. Reference and Operating Conditions

Reference
Impact factors
conditions
Ambient Temperature
23 1
Ambient Humidity
40% 60%
Waveform Sine wave
Frequency
50HZ 1HZ
Working Voltage
9V 0.1V
Operating
Notes
Conditions
-10 40
80%
Sine wave
=0.01
45HZ 65HZ
9V 1.5V
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