TESTO 6681 Instruction Manual page 34

testo 6681
34
The 2-point adjustment can be performed for the adjustment points
11.3 %RH and 75.3 %RH
via P2A software (see volume 2, chapter 3) or
•
using the adjustment keys under the service flap, see description of
•
how to proceed below.
The 2-point adjustment for the adjustment points 20 %RH and 80 %RH is
carried out via the user menu.
- 1.3 Commissioning
A 2-point adjustment cancels any previous 1-point
adjustment.
Adjustment with the standard Testo adjustment salt pots is
not suitable for the testo 6614 (heated for high-humidity
applications) and testo 6615 (trace humidity) probes. The
reference conditions should be generated in a humidity
generator to adjust these probes.
In addition, these probes can also be adjusted at a third
adjustment point by Testo Service.
testo 6614: third adjustment point at 90 % RH
•
testo 6615: third adjustment point at -40 °Ctd/-40 °Ftd
•