11
The HACCP Check indicators operate in both
the Noncontact and Contact modes. The indi-
cator light will flash during an active measure-
ment and will be lit steadily during display
Hold or Recall
(Figure 5)
.
• A Green LED indicator shows a safe chilled or
frozen condition below 4ºC (40ºF) or a safe
holding temperature above 60ºC (140ºF).
• The Red LED indicator light is displayed when
temperatures are within the HACCP “Danger
Zone” of 4ºC to 60ºC (40ºF to 140ºF) where
microbe growth occurs most rapidly
(Figure 7)
.
Note:
When the temperatures within ±1°C
(±2°F) of the HACCP “Danger Zone” boundary,
both the relevant Green and Red LED indicator
lights will be triggered to alert the user of the bor-
der temperature.
Note:
Whenever the Red LED indicator light is
lit it is necessary to evaluate the safe storage
and handling rules dictated by both exposure
time and temperature.
Green
Green
Red
Figure 7
Zone Measurement Map
