KYORITSU 5020 Instruction Manual - Manual (Page 49)

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1) Auto-power off Function
LOGGER is automatically powered off in about 3 min after the last
key operation while Auto-power off Function is "ON" at Setting 2. This
function doesn't work during recording (LCD with
mark） although
readings aren't displayed on the LCD due to Power-saving Function.
In case of using an external power supply for making measurement,
disable the Auto-power off Function. Then long period measurement is
possible. (Be sure to power off the LOGEER after use.)
2) External power supply AC Adopter (optional)
WARNING
Use MODEL 8320 (S-8458 or TAS2903 AC Adopter made by KAGA
COMPONENTS co) only.
Use the Power cord supplied with the AC Adopter.
Confirm the voltage of power supply and the rated voltage of the AC
Adopter, and then connect the Power Cord.
Disconnect the Power cord of the AC Adopter from the outlet when the
LOGGER isn't used for a long period.
Do not put any heating object or others on the AC Adopter or Power
Cord.
Hold the Plug part (other than cord) when disconnecting the Power
Cord from the outlet in order to prevent a break in the cord.
Specification of AC Adopter
Rated supply voltage, Frequency : AC100V / 240V,50/60Hz
Supply voltage, Range of Frequency variation : 90~264VAC,45~66Hz
Rated output voltage of AC Adopter : DC9.0V
Rated max Output current of AC Adopter : 1.4A
Use the optional AC Adopter for long period recordings. Installing batteries
in the Case located at the backside of the unit provides power at temporary
electricity failure. Be sure to check the battery level in advance.
Battery mark with full level will be displayed while using the AC Adaptor.
Disconnect the Adaptor to check the battery voltage level.
12. Auto-power off Function & External Power Supply