Starting Operation - Vaisala HMT330 Guía De Referencia Rápida

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Starting Operation

- Within a few seconds after power-up
the led on the cover of the transmitter is
lit continuously indicating normal
operation. When the transmitter
equipped with a display is turned on the
first time, the language selection
window opens.
- Select the language with
buttons and press the SELECT button.
Figure 5 Language Selection Menu
- The pressure has an effect on humidity
calculations and accuracy. Therefore,
accurate calculations can be achieved
only when the process pressure is taken
into account.
- In DMT340, the start-up time is about 6
minutes due to a self-diagnostics
procedure. During this, the outputs are
frozen.
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Maintenance
- The transmitter is fully calibrated and
adjusted as shipped from factory.
- Calibration must be done always when
there is a reason to believe that the
device is not within the accuracy
specifications. Calibration and
adjustment can be carried out in Vaisala
Service Centers or by the user
NORTH AMERICAN SERVICE CENTER,
phone: +1 781 933 4500
EUROPEAN SERVICE CENTER,
phone: +358 9 8949 2658
TOKYO SERVICE CENTER,
phone: +81 3 3266 9617
BEIJING SERVICE CENTER ,
phone: +86 108526 1199
www.vaisala.com