Omega Engineering HH505 - Manual (Page 11)

9
WARNING
To avoid possible electrical shock, disconnect the thermocouple
connectors from the rmometer before removing the cover.
Battery Replacement
Power is supplied by a 9 volt "transistor" battery. 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.
OPERATOR MAINTENANCE
RTD PROBE CONNECTION
P/N : 17650-0505
RW1=RW2=RW3
RW= WIRE RESISTANCE
G
+
-
RTD
100 W
Pt385
(Pt3926)
RW2
RW3
RW1
+
-
G