stored reading becomes000.
13. Download to PC
This meter can communicate with a PC by
optional USB or RS232 cable and software.
All the memorized data can download to
your PC every time when in a measurement
state marked by “MENS” when you press
“RD key” to enter the viewing memorized
state.
14. Auto Power Off
The instrument features an auto power off
function designed to conserve battery life.
If the tool is idle (neither measuring nor any
key operation) for 30 minutes, it will turn
itself off.
15. Power adapter and charging of battery
When the battery appears on the display, the
instrument should be charged as soon as
possible. the power adapter should be
plugged into the power socket of the
instrument. The power adapter should be
connected to100~220V 50Hz and charging
of the battery will begin. Input voltage for
power adapter is AC 100~220V with DC
5~7V of output, about 300mA of charging
current, charging time of up to 5.0 hours.
This instrument uses a lithium ion chargeable
battery. Charging can be fulfilled at any time
without affecting the normal operation of the
instrument.
Notes:
* The holder removed from the main unit
should be kept in a safe and clean place to
prevent from damage or pollution.
* Wh ile measuring please keep environment
light from directly irradiating into the
measurement aperture.
If necessary, especially under strong light,
shade it with a piece of light-tight cloth.
* A big temperature difference between
environment and meter would badly affect
measuring accuracy. In such a case, please
wait for a period of time till the temperature
get to a balance and then calibrate the meter
again.
* If measurement operation lasts a long time,
for example an hour or more, it is necessary
to re calibrate the meter.