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Method of alarm set-up and display, Alarm display – Detcon SG1 User Manual

Page 10

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9

Gas Concentration Values for Calibration of Single Gas

Gas

Oxygen

Carbon

Monoxide

Hydrogen

Sulfide

Hydrogen

Sulfur

Dioxide

Concentration

0%

100ppm

50ppm

500ppm

10ppm

Method of Alarm Set-up and Display

Caution: The alarm values of the device are set according to the alarm standards of each

gas required by international standards. Therefore, alarm values of the relevant gas can

be changed under the responsibility and approval of the administrator of the work

site where the unit is to be used.

Alarm Display

Alarm

Alarm Standard

LCD Display

1

st

Alarm

In Exceeding Alarm Value

Set Primarily

Displaying

Icon &

Concentration

2

nd

Alarm

In Exceeding Alarm Value

Set Secondarily

Displaying

Icon &

Concentration

TWA

In Exceeding Exposure

Concentration for 8 hour

Displaying

TWA

Icon &

Concentration

STEL

In Exceeding Exposure

Concentration for
15 minutes

Displaying

STEL

Icon &

Concentration

Dead

Battery Capacity is

Exhausted.

Blinking of Battery

Test Failure

Failure of Sensor Test

Failure of Calibration

Displaying

Icon