Vaisala CARBOCAP GMT220 SERIES Guia do Utilizador descarregar pdf (Página 7)

CHAPTER 2_______________________________________________________ PRODUCT DESCRIPTION

VAISALA __________________________________________________________________________ 5

Led light indicators and optional display

The GMT220 series transmitter has as a standard three LED light

indicators on the cover plate: OPERATION, LEVEL 1 and LEVEL 2 (see

Figure 3).

• The green OPERATION LED is lit as the power is connected.

• The red LEVEL LEDS are lit if the relay setting is reached e.g CO

concentration is over predefined limit. If the relays are not in use,

the

LEVEL LEDs indicating CO

concentration are dark.

The transmitter is also available with an optional back lit LCD

display, which outputs the CO

volume concentration in unit of

percentage or ppm depending on the measurement range of the probe.

Blinking led lights and Er-codes in the display indicate operation

errors (see Chapter 5, Error messages).

Figure 3. LED light indicators and optional display.

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