Handling; Use Of The Measuring Instrument; Adjusting The Sensitivity; Freezing The Display Indication - Wohler TI 410 Bedienungsanleitung

Handling

7 Handling
7.1 Use of the meas-
uring instrument
7.2 Adjusting the
sensitivity
7.3 Freezing the dis-
play indication
7.4 Changeover of
the temperature
indication
The TI 410 is switched on and off by pressing the
On/Off button.
After switching on the device, the version number
of the device appears in the display. A short stabi-
lization phase will follow, which is symbolized in
the display by bars. During this phase, the device
will redetermine the zero point for the measure-
ment of the dew point.
NOTE!
Please take care that the sensor is located in dry
air during the stabilization phase.
After that, the measured ambient temperature
appears in the display. If there is a rise in humid-
ity, when e.g the flexarm is passed into an ex-
haust-gas pipe and the sensor plate is surrounded
by exhaust gas flow from both sides, then a one-
to-four-step bar is seen in the display, depending
on the degree of humidity. As soon as the second
bar is shown, a controlled alarm tone additionally
sounds. Moreover, the increased temperature of
the exhaust gas is shown.
Activating the button "SENS" a number of times
lets you adjust the sensitivity of the Wöhler TI 410
to an increased humidity in four steps. The re-
spective current step is shown in the display. Step
4 is the most sensitive step.
By pressing the button "HOLD", you have the
possibility during the measuring to freeze the indi-
cation, when for example inaccessible positions
are to be measured and subsequently readings
are to be comfortably made.
Simultaneous pressing of the "HOLD" and
"On/Off" buttons in the switched-on mode lets you
change between the degree celsius and degree
fahrenheit indications.
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