TESTO 6681 Instruction Manual page 67

The process temperature should not vary by more than 0.5K

The dew point temperature should remain stable, as far as possible

The process pressure should not vary excessively

If these prerequisites cannot be fulfilled, the values obtained
during the last successful self-adjustment will be maintained.
All adjustment processes are saved in the history of the transmitter, see
Transmitter history, page 172.
testo 6615:
testo 6615:
probe
Fühler-
behaviour
verhalten
Analog
Analog-
output °Ctpd/
Ausgang
°Ftpd
°Ctpd/
°Ftpd
The heating time and storing of cycles can be edited in the P2A software; for
example, they can be deactivated by setting the two parameters to "0".
testo 6681 Ethernet
Parameter
Parameter
"Duration self-adjustment time""
„Dauer Heizphase"
"Self-adjustment cycle time"
„Zykluszeit Selbstabgleich"
- 1.3 Commissioning 67