Omega HH501DK - Manual (Page 8)

6
MAINTENANCE
WARNING
To avoid possible electrical shock, disconnect the thermocouple
connectors from the thermometer before removing the cover.
Battery Replacement
Power is supplied by a 9 volt "transistor" battery. (NEDA 1604, IEC 6F22). The
"
" appears on the LCD display when replacement is needed. To replace the
battery, remove the two screws from the back of the meter and lift off the
battery cover. Remove the battery from battery contacts.