Helmer Scientific i.Series
®
and Horizon Series
™
Freezer - Undercounter
Service and Maintenance Manual
360417/A
53
Display Minimum and Maximum Monitor Temperature Recordings
The minimum and maximum recording feature allows the user to view a minimum temperature occurrence and a maximum
temperature occurrence within a given period of time. The timer provides a time reference in which those temperatures occurred.
View Minimum Temperature Recording
♦
Press and hold the
Down Arrow
button for one second and listen for a single beep.
♦
The display will alternate between
LO
and a valid temperature value five times followed by a single beep to
indicate exit back to the temperature display.
View Maximum Temperature Recording
♦
Press and hold the
Up Arrow
button for one second and listen for a single beep.
♦
The display will alternate between
HI
and a valid temperature value five times followed by a single beep to indicate
exit back to the temperature display.
View Recorded Temperature Timer
Notes
• The timer denotes the period of time elapsed. It does not display the time at which a minimum or maximum
temperature occurred.
• The maximum period of time the timer can record is 99:59 (99 hours and 59 minutes).
♦
Press and hold either the
Up
or
Down Arrow
button for one second.
or
♦ While the display is flashing the
HI
or
LO
value, press and hold the
SET
button for one second.
♦ The display will alternate five times between
CLr
and a value representing the number of hours and minutes elapsed
since the last recording (example: 12:47 would represent 12 hours and 47 minutes). A single beep will follow to
indicate exit back to the temperature display.
Clear Minimum and Maximum Temperature Recordings
♦
Press and hold either the
Up
or
Down Arrow
button for one second.
or
♦ While the display is flashing the
HI
or
LO
value, press and hold the
SET
button for one second and listen for a
single beep.
♦ While the display is flashing the elapsed time since last reset, press and hold the
SET
button for two seconds.
CLr
will be displayed followed by a series of three beeps to indicate exit back to the temperature display.
Notes
The minimum and maximum temperature and timer will reset when:
•
the unit is powered off and battery back-up is not engaged, or
• after 99 hours and 59 minutes have elapsed.
Horizon Series