TESTO 623 Mode D'emploi page 35

⑤
⑥
Displayed unit (temperature or humidity)
⑦
Upper display value
Manual Scale:
Manually set upper and lower limit values that do not change.
Auto Scale:
The auto scale is calculated in such a way that all shown
readings lie within the scale.
• Upon changing the scaling, the upper and lower display
value and the Auto Scale symbol flash.
• The histogram shows 12 bars each of 20 segments.
◦ The internal memory can save data for up to 90 days.
When the maximum memory capacity is reached, the
oldest measurement values are automatically
overwritten. (First in / first out principle).
◦ With Manual Scale:
The lowest bar element of a bar flashes:
The measured value is below the lower display value.
◦ The uppermost bar element flashes:
The measured value is above the upper display limit.
Displaying the humidity/temperature profile
To change the profile between humidity and temperature:
> Press [ ].
Setting the time axis of the histogram
To set the time axis:
► ― ◄
[ ].
> Press
The time axis can be set to 5 different time
intervals.
Time interval per
bar
5 min
10 min
1 h
2 h
24 h
Histogram total time
1 h
2 h
12 h
24 h
12 days
6 Using the product
35