DFM 50 - Revision history

Revision history
DFM fuel flow meters. Operation manual. Version 6.4
© Technoton, 2017 4
Revision history
Version
Date
Editor
Description of changes
1.0
01.2007
Basic version.
6.2
12.2016
OD
 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 1.6.3 and 8).
 Description of new version of flow meter available for
order is added - DFM 250 HP and DFM 500 HP charac-
terized by higher fuel consumption rate
(see Introduction, figure 1).
6.3
01.2017
OD
 DFM COM data transfer protocol updated
(see annex E, table E.5).
6.4
06.2017
OD
 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).