SEFRAM 7352B Manuel D'utilisation page 51

IR Communications
You can use the IR (infrared) communication link and WinDMM
software to transfer the real-time data of meter to PC. In
addition, the meter allows the user to log to internal memory
and connect to the computer later for download.
For detailed information, refer to the WinDMM Installation Guide
or the on-line help.
Bluetooth
The meter uses low-power Bluetooth v4.0 wireless technology
to transfer the real-time data. You can use the RF communi-
cation to link to android or iOS devices.
The RF communication range: Open air up to 10 m
Maintenance
Verify the meter's operation by measuring a known voltage. If in
doubt, have the meter serviced. Do not attempt to repair this
meter. It contains no user serviceable parts. Repair or servicing
should only be performed by qualified personnel. To maintain
best accuracy, calibrate meter once a year.
Cleaning
Periodically wipe the case with a dry cloth and detergent. Do not
use abrasives or solvents.
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