Enmet SPECTRUM-RAL-DC Instrukcja Użytkownika Pobierz pdf (Strona 8)

2.0 Features and Operation

The features of the SPECTRUM-DC-RAL Carbon Monoxide monitor 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 there are three of these, as follows:

SWITCHES

POWER/

BACKLIGHT the left hand switch

OPTION the middle switch

SELECT the right hand switch

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

SENSOR a small cylindrical turret on the display surface; inside which the membrane of

HOUSING the electrochemical sensor is exposed to the compressed air through the air

supply line.

REGULATOR a pressure regulator with a gauge, flowmeter and an adjustable valve, connected

by tubing to the sensor housing. Available on some models per order.

VISUAL ALARM a red LED which is ON whenever the CO concentration is above the alarm

point.

AUDIO ALARM a small horn which is ON whenever the gas concentration is above the alarm

point, until the alarm is acknowledged. There are two variations of audio alarm

location, one with the alarm on a cable, the other with the alarm mounted on the

enclosure.

COVER retained with four screws, and removed to change the sensor and battery.

2.1 Installation and Operation

2.1.1 Installation

2.1.1.1 Mount Enclosure

Mount the enclosure at an appropriate location using the four mounting holes accessible inside the

enclosure. The location should be far enough upstream from the user that the sample air reaches the

monitor before the air reaches the user.

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 16 17

Brak uwag

Enmet SPECTRUM-RAL-DC Instrukcja Użytkownika Strona 8