ENMET ISA-40M - Manual (Page 4)

ENMET Corporation ISA-40M Oxygen Monitor
2
2.0 Features 2.0 Features
See figure 1 for location of features
Feature Description
Meter A Oxygen (O2) concentration meter. The scale is marked in percent by volume O2.
Audio Alarm(Horn) Audio alarm (2900 Hz ,95 dB at 2 ft.). The audio alarm is on when the unit is in alarm.
Gain Potentiometer
Visual Alarms LED, Red: Visual alarm (steady light). When this LED is on, power to the unit is on and
the unit is in high alarm.
LED, Green: When this is on, the unit is operating and is not in alarm. When this LED is
off, the unit is in alarm OR power to the unit has been interrupted.
Relay Reset Button
Figure 1: ISA-40M Control Unit Exterior
1
2
3
4
Relay
Reset
O2
Gain
O2
Gain
O2
Gain
O2
Gain
Audio Alarm
(Horn)
Relay Reset
Button
Channel 1
Alarm LED (red)
Channel 1
Power LED (green)
Channel 1
Meter
Channel 1 Gain
Potentiometer
Cover Screws
4 places