ATI Technologies B12-70 O & M Handbuch - Seite 14
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Seite druckenModel B12-70 Wet Acid Gas Transmitter
DIGITAL DISPLAY OPTION
Series B12 transmitters supplied with the optional LCD have the display mounted to the
enclosure cover with a clear lens protecting the display from dirt and moisture. The display is connected
to the cover with a short ribbon cable soldered to the transmitter circuit board. The digital display is
factory scaled to the transmitter range specified on the order.
The LCD indicates gas concentration directly in PPM or % depending on the range. It is directly
in the 4-20 mA output circuit so that it is a very accurate indicator of the signal being transmitted to
remote equipment. The display should be used for zeroing and calibration instead of the test points
described in the calibration section of this manual.
When removing the cover of a transmitter with the LCD, be careful not to pull on the display
interconnect cable. When you remove the cover, it can be temporarily fastened to the enclosure base as
shown in Figure 9.
Figure 9 - Transmitter Controls & Test Points (ATI-0227)
O & M Manual
-Release E, 7/15
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