Proximity Sensor with All-stainless Housing
E2FM
CSM_E2FM_DS_E_4_8
Highly Durable Proximity Sensor for
Tough Environments
Completely stainless-steel housing
Aluminum chip immunity
Embedding installation to metal (steel) fittings
Chemical resistance certified by Ecolab Europe
Lineup includes pre-wire models and DC 3-wire NPN output
models with fluororesin coating.
Be sure to read Safety Precautions on
page 9.
For the most recent information on models that have been certified for
Note: Models with a fluororesin coating also use vinyl chloride for the cable material
safety standards, refer to your OMRON website.
and require separate protection.
Features
One-piece completely stainless-steel housing with a face thickness of 0.8 mm
The face thickness is approximately 4 times that of
previous models (E2ES) to enable sensing in even more
0.8 mm
severe conditions than ever.
Brush Test Continuous Impact Test Chemical and Detergent Proof
The one-piece completely stainless-
steel housing of the sensing section
withstands the following chemicals
better.
Sodium chloride
Gasoline
After 3 Minutes
Dilute sodium hydroxide
Dilute hydrochloric acid
Mineral oil
Barium hydroxide
E2ES E2FM
Any many others
The E2FM was
The E2ES with a
top wall thickness not penetrated
Note: Cannot be used for explosion-proof
after 250,000
of 0.2 mm was
applications.
penetrated after impacts (depth:
E2FM E2EQ
0.26 mm).
10,000 impacts.
(Spatter-resistant)
More than 20 times the
The stainless-steel head
durability of the E2ES!
means almost no wear
when cleaned with a
metal brush.
1E2FM
Built-in Chip Immunity
Chip immunity performance has been provided to greatly reduce false
signals caused by spatter accumulation and other causes, almost
eliminating the needs for cleaning, e.g., with metal brushes.
Flush Mounting
Extension
distance
Not influenced by
surrounding
installation
environment.
E2ES E2FM
Note: When mounted in steel.
Main Performance Comparison to Previous OMRON Products
Face thickness Sensing distance Response frequency Ambient operating temperature
E2FM E2ES E2FM E2ES E2FM E2ES E2FM E2ES
M8 0.4 mm --- M8 1.5 mm --- M8 200 Hz --- 25 to 70C 0 to 50C
M12 0.8 mm --- M12 2.0 mm --- M12 100 Hz ---
M18 0.8 mm 0.2 mm M18 5.0 mm 4.0 mm M18 100 Hz 12 Hz
M30 0.8 mm 0.2 mm M30 10.0 mm 8.0 mm M30 50 Hz 8 Hz
The chemical resistance has been certified by Ecolab Europe
Ecolab GmbH & Co. OHG
This certificate is based on:
P.O. Box 13 04 06
D-40551 Dsseldorf documented test procedures (test no.: F&E/P3-E Nr. 40-1)
according to material resistance
defined product descriptions
certifies that for
standardized cleaning procedure
Test procedure
Ecolab-test F&E Nr. 40-1 Product specifications:
OMRON Manufacturing of Germany GmbH
Carl-Benz-Strasse 4
Dipping test: P3-topax 56:
71154 Nufringen
Complete immersion in solutions/liquid Acid foam cleaning substance for food and
beverage industry
Test period:
P3-topax 66:
14 days
Alkaline foam cleaning detergent with active
material resistance tests
Temperature: chlorine for machine cleaning in food and
beverage industry
room temperature (constant)
P3-topax 91:
Analysis:
were performed with cleaning substances P3-topax 56, P3-topax 66, P3-topax 91 and
Visual judgement like swelling, brittleness, Neutral disinfection agent based on
demineralized water as a zero reference factor.
discoloring quaternary ammonium compounds (QAV) for
the food industry
compared to zero-reference factor
The material resistance of the tested series (demineralized water)
Photometric documentation
Inductive Proximity Sensor E2FM
to the P3 products used in the test can be considered to be positive according to the
cleaning procedure mentioned overleaf.
Cleaning plan for food and beverage industry*
Rinsing with water 40 50C
Dsseldorf, 14th February 2006 Rinsing with low pressure. Rinsing from top to bottom in the
direction of the drains. Cleaning of the drains.
Foaming from bottom to top
Ecolab GmbH & Co. OHG
alkaline: P3-topax 66 2 5 % daily
acid: P3-topax 56 2 % on demand
i.V. i. V.
temperature: cold up to 40C
contact time: 15 min. recommended
Thomas Tyborski Reimund Laaff Rinsing with water 40 50C
Rinsing from top to bottom with low pressure
Spray disinfection P3-topax 91 1-2 %, 30 -60 minutes
*short description
2
Workpiece
Workpiece