26
CHART RECORDER
The below mentioned are provided with the chart recorder, please check them;
100 ea. circular diagram paper for chart recorder
1 ea. pen for chart recorder
1 ea. battery
2 ea. circular recorder keys.
Chart recorder measures the temperature in the chamber and records this value by using a pen.
Chart recorder is assembled on the device in case of customer request.
Open the lid of the circular recorder by using the key. Unscrew the nut in the center (1) by
rotating it to counterclockwise as shown in Figure 10.
Pull the battery unit and take it out. Put on the battery supplied with device to the hole at
the back of the unit by paying attention to + and – poles. Always use leak protected high
quality batteries.
Put the battery unit to its place.
Turn the nut in the center (1) to counterclockwise direction.
Put on one of the circular recorder papers supplied with the device, printed side facing
towards out (2).
Replace nut and turn it to clockwise direction.
Adjust the paper according to the pen by considering day and hour lines.
Insert the chart recorder pen (3) to the handle carefully and remove the cap on the pen.
Close the circular recorder lid.
Figure 10
CO
2
BACK-UP UNIT
With the help of injection of liquid CO
2
into deep freezer chamber, stored samples are kept at -60°C in a
few hours in case of any power or compressor failure. CO
2
feedback unit must be assembled by service
technician (Figure 11).
