Enmet SPECTRUM Manual do Utilizador descarregar pdf (Página 7)

SPECTRUM Series ENMET Corporation

2.0 Features and Operation

2.0 Features and Operation2.0 Features and Operation

2.0 Features and Operation

The features of the SPECTRUM are shown in Figure 1. These are:

DISPLAY An LCD upon which either the gas concentration, or prompts for the operational and

maintenance menus, are given.

PUSHBUTTON

SWITCHES

There are three of these, as follows:

•

••

•

POWER / BACKLIGHT

The left hand switch when the instrument is held upright with the display facing the user.

•

••

• OPTION

The middle switch.

•

••

• SELECT

The right hand switch.

These switches are used to access and utilize the operational and maintenance menus.

SENSOR HOUSING

A small cylindrical turret on the display surface; the membrane of the electrochemical

sensor is exposed to the atmosphere through the hole in the turret.

VISUAL ALARM

A red LED which is ON whenever the target gas concentration is above the alarm point,

and also blinks periodically with the confidence beep.

AUDIO ALARM

A small horn which is ON whenever the gas concentration is above the alarm point, until

the alarm is acknowledged. This horn also furnishes a confidence beep

COVER

Retained with four screws, and removed to change the battery.

BATTERY

The power source of the instrument, which is removed and replaced when depleted.

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Enmet SPECTRUM Manual do Utilizador Página 7