Heath-consultants Detecto-Pak 4 (DP) Manuale Utente Scaricare il pdf (Pagina 17)

100786-0 Rev. D 05/09

CHAPTER THREE

III. CALIBRATION MOTHER TANKS/CALIBRATION

CYLINDERS:

This Chapter discusses, in detail, the proper steps to take in transferring

calibration gas to a calibration cylinder.

Recommendations for ordering calibration gas mother tanks, along with

proper storage, are also discussed.

A. CALIBRATION GAS MIXTURES

The calibration gas is comprised of a mixture of 100 ppm + 10% methane,

balance zero air. The calibration gas mixture is drawn into the instrument

at the inlet of the lter housing to ensure proper sensitivity level (See

Chapter Six for a detailed explanation of this method.)

B. TRANSFILLING CALIBRATION CYLINDERS

Heath assumes no liability in the relling of calibration cylinders. If you

wish to rell your own calibration cylinders, caution must be exercised

during the relling process. It is also recommended that all safety precau-

tions be used in the handling of high-pressure compressed, ammable

gases during the relling process.

To rell the calibration cylinder, connect the calibration transller to

a calibration mother tank, then attach a non contaminated calibration

cylinder to the Transller. See Figure 3 this Section and **NOTE**,

Section II, C of Chapter Two.

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Heath-consultants Detecto-Pak 4 (DP) Manuale Utente Pagina 17