CO2 Meter SAN-20 User Manual - Page 7

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Falling by breathing dangerous gases can cause serious injury and even fatality to workers. If

the Man down alarm function in SAN-20 is set on, SAN-20 can detect falls and send a man

down alert which will activate the audible and visual alarms and alert other people in the area.

The man-down detection uses a three-axis accelerometer to automatically monitor the user's

movements in order to identify a sudden fall/impact and a lack of movement for a period of 6

seconds.

Once alert, people can turn off the current man-down alarm by pressing any one of the two

buttons.

7. Reset Button

Users can reset the unit by pushing a reset button through a hole on back of shell.

MAINTENANCE

Calibration

The SAN-20 comes pre-calibrated from the factory. However, the O2 sensor should be

calibrated at least once a year, or as described in your company's safety procedures. You can

perform the calibration yourself, or you can return it to CO2Meter for factory calibration at a

nominal fee.

The temperature and humidity sensors do not require calibration and should remain accurate for

the life of your unit.

Cleaning and Storage

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