4
High Temperature Targets
When using the D501 on high tem perature targets, momentarily touch the target’s
surface - a fraction of a second is long enough to get an accurate reading.
If these instruments are used in contact with a hot surface for an extended
time (10 seconds or more) the target’s heat will be conducted into the nose-
piece. Although this will not harm the unit, the indicated temperature may be a
few degrees too high. If this happens, allow a few minutes between readings
for the nosepiece to cool down and stabilize.
If the instrument is used in contact with a hot surface and the display
message reads (HI), remove the instrument from the object immedi ately.
At a distance, the D-Series operates as a high-speed infrared
scanning thermometer.
Contact the nosepiece to the surface and the D-Series will display
an accurate surface temperature.
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