Bacharach CO2 Analyzer 3150 Spécifications télécharger pdf (Page 36)

CO2 Analyzers 3100 & 3150

Instruction 19-9339 36

7.5 Calibration Method

Before you begin, ensure that the unit is stabilized at its working

temperature before performing any of the calibration operations.

To achieve the processes set out in this section, press “KEY 3 -

CALIBRATION” from the “MAIN” menu. The ﬁ rst screen displayed

provides the option to select the gas that requires calibration.

The exact calibration method can vary depending on the gases used.

7.5.1 Zero CO

Channel

For maximum accuracy it is recommended that the CO

channel is

zeroed using bottled gas (certiﬁ ed 100% N

If nitrogen is not available the user can select the option to perform an

air calibration. This option assumes that the user has access to fresh

air at around 390 ppm CO

. Generally, this can be found outside or in

a well ventilated corridor (typically, an ofﬁ ce lab would have a higher

concentration).

To zero the CO

channel, perfom the following:

1) From the “CALIBRATION” menu press “KEY 2 - CO

CHANNEL.”

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 55 56

Pas de commentaire

Bacharach CO2 Analyzer 3150 Spécifications Page 36