Molbloc-L Operation; Table 9. Available Molbloc-L Gases - Fluke MOLBOX RFM Operation And Maintenance Manual

(ver 1.10 and higher) reference flow monitor

Table of Contents

molbox™ RFM™ OPERATION AND MAINTENANCE MANUAL

3.4.2.1

The molbox RFM gases available for use with molbloc-L at the time of this

manual printing are listed in Table 9.

<1inert>

<1N2> Nitrogen

<2He> Helium

<3Ar> Argon

<Butn> is used to identify Butane in molbox RFM because the chemical symbol for

Butane (C

gas identifications.

Mixtures of known gases in known concentrations can be measured by calculation

and use of the ADJ function (see Section 3.5.6).

OPERATION (molbloc-L OPERATION)

To specify the gas flowing through molbloc-L,

press [GAS]. The display is:

The gases available are grouped in categories to

facilitate finding a specific gas and as a reminder to the

user when selecting a gas that may require special

precautions in use. There is a list of gases under each

category. For example, the <1inert> selection displays:

Select the desired gas. Pressing [ENTER] returns to the last run screen with the newly

selected gas active. The selected gas is always displayed in the upper right hand corner of

the MAIN run screen.

The gas selected on molbox RFM should always be the gas that is flowing through

the molbloc.

between gases. When calibrating or testing a device with a surrogate gas, molbox RFM

should be set to the surrogate gas. The K factor or gas conversion factor, if used,

defines the relationship between the surrogate gas and the process gas for the device

being tested, not for molbloc/molbox (see Section 3.4.1, PRINCIPLE). The K factor is

supplied by the manufacturer of the device being tested.