•
DO
use the correct drive current with the thermometer to prevent error in
temperature or resistance. Hart Scientific recommends 1mA.
•
DO
anneal the thermometer at 600 to 661°C for 4 hours if it becomes oxi-
dized.
•
DO
use the protective shipping box or case provided or other protection
when the thermometer is not in use.
•
DON’T
subject the thermometer to any physical shock or vibration.
•
DON’T
use pliers or other devices to squeeze the sheath. This action can
permanently damage the PRT.
•
DON’T
subject the thermometer to temperatures above the highest speci-
fied operating temperature.
•
DON’T
expose the thermometer’s handle or cables to extreme tempera-
tures. The temperature limits of the handle are: –20°C to 200°C
•
DON’T
submerge the handle or cable in liquids.
•
DON’T
screw a clamp down so tight that it breaks or cracks the sheath.
This can permanently damage the PRT.
5624 Platinum Resistance Thermometer
User’s Guide
16
