Long-Term Measurement Of Hvac With Control Unit And A Logger - TESTO 454 Getting Started

52 6. Measurement example
Logger program menu
Overview of input measuring
program
Display of reading files
6.3 Long-term measurement of HVAC with the
Control Unit and logger
6.3.1 Initial operation
Recording of temperature, humidity and CO2 over a longer period.
Readings can only be stored where the associated probe is connected.
· Control Unit and logger are connected to each other.
· Probes are connected.
· Analyser is switched on.
6.3.2 Entering a measuring program
Memory
1 Select –>
Three starting criteria:
· Manual:
The measuring program can be started at any time using the function key "Start".
· Date/Time:
The measuring program is started at a pre-programmed time.
· Overshoot/Shortfall:
The measuring program is started depending on specified events.
2 Select manual and confirm with
- Automatically activates the "Measuring rate" menu:
3 Enter measuring rate in seconds (in this case 5 min = 300 sec).
Stop
4 Confirm with .
- The End menu is activated automatically:
End criteria:
· Memory full:
Reading recording stops when the reading memory is full.
· Number of values:
A desired number of values is recorded.
· Date/Time:
Reading recording stops at a specified time.
5 Select stop condition
6 Start via "Start" function key.
A running measuring program can be stopped at any time with
6.3.3 Reading out and printing data
Memory Read-o o ut
1 –> –>
- Displays the stored reading files.
2 Select individual data records with
Print
3
generates a printout of the data record on the integrated printer, specify-
ing the starting time, the stopped time and the time of printing.
Program Start
–> ->
.
Memory f f ull
.
.
.
.
Stop
.