DESCRIPTION MSA
2. Description
2.1. Instrument Overview
Fig. 1 Instrument view
1 Alarm LED 5 Button
2 Infrared port 6 Display with backlight
3 Sensor cover 7 Stipulated gas type
4 Acoustic alarm transmitter
The instrument is a portable gas meter for monitoring gases in the ambient air
and in the workplace.
The instrument is available in three models:
for monitoring oxygen
for monitoring hydrogen sulphide and
for monitoring carbon monoxide
The instrument can detect up
to 25% oxygen in the ambient air.
However, all instrument models are calibrated and permitted only up to
21% oxygen-content.
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