Dickson TH8P3 Manuale - Pagina 5

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Dickson TH8P3 Manuale
TH8P3/5
Power
LED
Power
The TH8 operates on AC power with an optional 4 AA battery backup. Depending on chart rotation selected and model;
battery backup will last:
TH8P2/3/5
• 24-Hour Chart Rotation = 1 Day Backup
• 7-Day Chart Rotation = 2 Day Backup
• 31-Day Chart Rotation = 1 Week Backup
Note: Alarm and relays will not operate under battery only power.
TH8P0
• At 70°F
24 hr chart rotation = 1 month
7 day chart rotation = 6 months
• At 32°F
24 hr chart rotation = 3 weeks
7 day chart rotation = 4 months
Note: (Unit should not be placed in an environment below 32°F)

LED Indicators

AC Power with battery backup–Solid green
AC Power with low battery or no battery–Blinks red
Battery only–Blinks green
Battery only(Low battery) –Solid red
Note: TH800 operates on battery only and will blink one time every minute to conserve battery life.
Calibration
Need to Know
TH800 Pen Movement
The pen movement for the TH8P0 is slower than on the AC powered models in order to conserve battery power. In 24 hr
mode the pen will move every 1 min and 30 s. In 7 day mode the pen will move every 8 min and 30 s. The recorder takes
temperature readings every 50 s. An average of the readings taken between pen movements is what is drawn on the chart.
Pen
Home
On/
Alarm
Off
TH8P0/2
Power
LED
Pen
Home
On/
Off