DFM DFM 50 Operation Manual - Page 4

Browse online or download pdf Operation Manual for Measuring Instruments DFM DFM 50. DFM DFM 50 13 pages. Fuel flow meters

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Revision history

Version

Date

1.0

01.2007

6.2

12.2016

6.3

01.2017

6.4

06.2017

DFM fuel flow meters. Operation manual. Version 6.4

Editor

Basic version.



Concept of recommended re-calibration interval of DFM

is introduced. Re-calibration interval of DFM is defined

by volume of fuel went through measuring chamber of

DFM (see



Description of new version of flow meter available for

order is added - DFM 250 HP and DFM 500 HP charac-

terized

(see Introduction, figure 1).



DFM COM data transfer protocol updated

(see

annex



Clarifications in DFM order identification codes added

(see. Introduction, figure 1).



Table of measurement range and accuracy is divided in

two separate parts: for one-chamber and for differen-

tial flowmeters (see 1.4).



General installation instructions are amended with de-

scription of symbols on DFM body for proper installation

into fuel lines (see 2.3, figure 20).

Description of changes

1.6.3

and 8).

higher

fuel

E, table E.5).

consumption

rate