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Aalborg XFM Series User Manual

Aalborg XFM Series
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22
The 60 micron filter screen will now become visible. Remove the screen. DO NOT
remove the RFE inside the flow transducer. Clean or replace each of the removed
parts as necessary. If alcohol is used for cleaning, allow time for drying. Inspect
the flow path inside the transducer for any visible signs of contaminants.
If necessary, flush the flow path with alcohol. Thoroughly dry the flow paths by
flowing clean dry gas through. Re-install the inlet parts and filter screen. Be sure
that no dust has collected on the O-ring seal.
It is advisable that at least one calibration point be checked after re-installing the
inlet fitting (see section 7).
6.2.4 XFM 57/67/77 Models
It is not recommended to open high flow models. However, if a customer decides
to clean the RFE, the procedure below is suggested:
Unscrew the four socket head cap screws (10-24) at the inlet side of the meter.
This will release the short square block containing the inlet compression fit-
ting.(3/4" NPT for XFM 77)
Remove the block and connected screens. Clean each of the removed parts as
necessary. If alcohol is used for cleaning, allow time for drying. Inspect the flow
path inside the transducer for any visible signs of contaminants. If necessary, flush
the flow path with alcohol. Thoroughly dry the flow paths by flowing clean dry gas
through.
Re-install the inlet parts. Be sure that no dust has collected on the O-ring seal. It
is advisable that at least one calibration point be checked after re-installing the
inlet fitting (see section 7).
7. CALIBRATION PROCEDURES
7.1 Flow Calibration
Aalborg® Instruments' Flow Calibration Laboratory offers professional calibration
support for Mass Flow Meters using precision calibrators under strictly controlled
conditions. NIST traceable calibrations are available. Calibrations can also be per-
formed at customers' site using available standards.
Factory calibrations are performed using NIST traceable precision volumetric cal-
ibrators incorporating liquid sealed frictionless actuators.
NOTE: REMOVAL OF THE FACTORY INSTALLED CALIBRATION
SEALS AND/OR ANY ADJUSTMENTS MADE TO THE METER, AS
DESCRIBED IN THIS SECTION, WILL VOID ANY CALIBRATION
WARRANTY APPLICABLE.
,

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Aalborg XFM Series Specifications

General IconGeneral
BrandAalborg
ModelXFM Series
CategoryMeasuring Instruments
LanguageEnglish

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