•
DO
allow sufficient time for the thermometer to stabilize before making
measurements. This allows for the best accuracy.
•
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 12 hours if it becomes
oxidized.
•
DO
use the protective shipping box or case provided or other protec-
tion when the thermometer is not in use.
•
DO NOT
subject the thermometer to any physical shock or vibration.
•
DO NOT
use pliers or other devices to squeeze the sheath. This action
can permanently damage the PRT.
•
DO NOT
subject the thermometer to temperatures above the highest
specified operating temperature.
•
DO NOT
expose the thermometer’s handle or cables to extreme tem-
peratures. The temperature limits of the handle are: 0°C to 80°C
•
DO NOT
submerge the handle or cable in liquids.
•
DO NOT
screw a clamp down so tight that it dents the sheath. This can
permanently damage the PRT.
5626/5628
User’s Guide
12
