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Energizer PORTABLE GAS DETECTION INSTRUMENT User Manual

Page 26

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6.7 ALARM SETPOINT MENU
The “ALARM SETPOINT” can be adjusted by the user in the ALARM
SETPOINT menu within the following ranges:

CO = 5 to 250 ppm
Cl

2

= 0.1 to 10.0 ppm

ClO

2

= 0.10 to 2.00 ppm

HCN = 0.1 to 50.0 ppm
H

2

S = 5 to 100 ppm

NH

3

= 5 to 100 ppm

NO

2

= 0.2 to 5.0 ppm

O

2

LO = 0.0 to 21.0%

O

2

HI = 21.0 to 25.0%

PH

3

= 0.10 to 5.00 ppm

SO

2

= 0.5 to 20.0 ppm

Very low oxygen alarm settings are useful when the instrument is used to
verify nitrogen purging. On leaving the setpoint function or on subsequent
power on, the user will be prompted to verify the safety of abnormally low
settings
To enter the ALARM SETPOINT menu, depress the “SELECT” pushbutton in
the menu selection screen as described in Section 6.2 above. One of the
following ALARM SETPOINT menu screens will appear:

ALARM SETPOINT

For Toxic Gases

HI ALARM = <_> ppm

CHANGE OK

ALARM SETPOINT

For O

2

HI ALARM = 23.5%

LO ALARM = 19.5%

CHANGE OK

The setpoint shown is the factory default setting. If acceptable, depress