Rosemount™ 2110 Level Switch
Vibrating Fork
Product Data Sheet
March 2018
00813-0100-4029, Rev FA
Virtually unaffected by turbulence, foam,
vibration, coating, or changing liquid properties
Built in diagnostics continuously monitors
instrument health and Heartbeat LED provides
visual indication
Magnetic test point makes testing of the
Rosemount 2110 and system easy
Minimal installation and maintenance, and no
calibration required, keeps costs down
DIBt / WHG overfill protection certification keeps
peace of mind
Compact size makes the Rosemount 2110
suitable for use in small vessels and tanks or for
in-pipe mounting
Hygienically certified to 3-A
complies with FDA and ASME-BPE
®
and EHEDG, and
Rosemount 2110 Level Switch
Compact and lightweight
Tri Clamp process
connection
Threaded process
connection
Overview of the Rosemount 2110 Level Switch
Measurement principle
The Rosemount 2110 is designed using the principle of a tuning fork.
A piezo-electric crystal oscillates the forks at their natural frequency.
Changes to this frequency are continuously monitored. The frequency
of the vibrating fork sensor changes depending on the medium in
which it is immersed. The denser the liquid, the lower the frequency.
When used as a low level alarm, the liquid in the tank or pipe drains
down past the fork, causing a change of natural frequency that is
detected by the electronics and switches the output state.
When the Rosemount 2110 is used as a high level alarm, the liquid
rises in the tank or pipe, making contact with the fork which then
causes the output state to switch.
Key features and benefits
Stainless steel housing and plug/socket connection for fast- fit,
high-volume users
March 2018
Contents
Compact and lightweight design for side or top mounting
The industry standard DIN 43650 plug/socket is used for a fast
connection. The polarity insensitivity and short circuit protection
make electrical hook-up safe and easy
The Rosemount 2110 is designed for operation in temperatures
from –40 to 302 °F (–40 to 150 °C)
Rapid wet-to-dry time for highly responsive switching
‘Fast Drip’ fork design gives quicker response time, especially with
viscous liquids
The ‘heartbeat’ LED gives an instant visual indication that the unit is
operational
Fork shape is optimized for polishing to meet hygienic
requirements. Mechanical-polishing and electro-polishing options
No moving parts or crevices for virtually no maintenance
Magnetic test point makes functional test easy
Overview of the Rosemount 2110 Level Switch . .page 2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . page 4 Product Certifications . . . . . . . . . . . . . . . . . . . . . page 8
Spare Parts and Accessories . . . . . . . . . . . . . . . . . . .page 5 Dimensional Drawings . . . . . . . . . . . . . . . . . . . . page 9
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Emerson.com/Rosemount
March 2018
Overfill protection
High and low level alarm
Leak detection
Pump protection
Fit and forget
Once installed, the Rosemount 2110 is ready to go.
It needs no calibration and requires minimum installation
Functional testing of the instrument and system is easy with a magnetic
test point
You can install, and forget it
Superior performance
Functionality is virtually unaffected by turbulence, foam, vibration, coating,
or liquid properties
The ‘Fast Drip’ design allows the liquid to be quickly drawn away from the
fork tip, making the Rosemount 2110 quicker and more responsive in high
density or viscous liquid applications
Applications
Overfill protection
Rosemount 2110 Level Switch
High and low level alarms
Leak detection
Run dry or pump protection
Pump control or limit detection
Hygienic applications
Emerson.com/Rosemount
3
Rosemount 2110 Level Switch
March 2018
Ordering Information
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment.
See page 6 for more information on Material Selection.
Table 1. Rosemount 2110 Ordering Information
The starred options (★) represent the most common options and should be selected for best delivery. Any non-starred offerings are
subject to additional delivery lead time.
Model Product description
2110 Compact Vibrating Fork Liquid Level Switch
Electronic type
0 Direct load switching with plug connection (2 wire) 21 to 264 Vac 50/60Hz, 21 to 264 Vdc
1 PNP/PLC low voltage switching with plug connection 18 to 60 Vdc
Process connection size / type
0A
1A 1-in. BSPT (R) thread
0D
2R 2-in. (51 mm) Tri Clamp
1B 1-in. BSPP (G) thread
1L 1-in. BSPP (G) semi-extended 4.6 in. (116 mm)
3
/4-in. BSPT (R) thread
3
/4-in. NPT thread
★
★
★
★
★
★
★
★
Surface finish Available Connections
1
2
3
4
7
8
NA No hazardous locations certifications (safe area use only)
Q4 Certificate of functional test
Q16 Surface finish certification
QA Certificate of compliance to 3-A
QE Certificate of compliance to EHEDG
Standard surface finish
(1)
Hand polished (Ra < 0.4 μm)
Ra < 0.76 μm, hygienically approved
Electro-polished to 0.76 μm, hygienically approved
Mechanically-polished to Ra < 0.1 μm, hygienically approved
Electro-polished to Ra < 0.38 μm, hygienically approved
Product certificates
Typical Model Number: 2110 0 2R 1 NA
Options (include with the selected model number)
Calibration data certificate
Wetted surface finish certification
3-A certification
EHEDG certification
(2)
(3)
(3)
(3)
All ★
Tri Clamp only
Tri Clamp only
Tri Clamp only
Tri Clamp only
Tri Clamp only
★
★
★
★
★
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Emerson.com/Rosemount
March 2018
Rosemount 2110 Level Switch
Table 1. Rosemount 2110 Ordering Information
The starred options (★) represent the most common options and should be selected for best delivery. Any non-starred offerings are
subject to additional delivery lead time.
ASME BPE certification
QB Declaration of conformity to ASME BPE
FDA certification
QH Declaration of conformity to FDA
Tag plate
ST Tag plate SST engraved plate (maximum 16 digits), wire-on
WT Tag plate laminated paper (maximum 40 digits)
Overfill
U1 WHG/DIBt overfill protection
Example of options included with the model number: 2110 0 2R 1 NA Q4 ST U1
1. Hand-polished for hygienic connections to better than 0.4 μm Ra such that there are no pits, folds, crevices or cracks discernible to the naked eye (i.e. no features
larger than 75 micrometers based on resolving 1/60 degree at a distance of 250 mm).
2. Includes the Technical Regulation Customs Union (EAC) ordinary location mark.
3. Available only for a Rosemount 2110 with a Tri Clamp fitting and Surface Finish code 3, 4, 7, or 8.
(3)
(3)
★
★
★
★
★
Spare Parts and Accessories
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment.
See page 6 for more information on Material Selection.
.
Table 2. Spare Parts and Accessories
The starred options (★) represent the most common options and should be selected for best delivery. Any non-starred offerings are
subject to additional delivery lead time.
Part number Description
02100-1000-0001 Seal for 1-in. BSPP (G1A). Material: Non-asbestos BS7531 grade X carbon fiber with rubber binder
02100-1010-0001 Adaptor boss 1-in. BSPP to 11/2-in. (38mm) Tri Clamp. Material: 316 SST fitting. FPM/FKM O-ring
02100-1020-0001
02100-1030-0001 Telescopic test magnet
1. This is not approved to be used with a 3-A or EHEDG approved products and is not assessed for use with FDA or ASME-BPE compliant products.
(1)
2-in. (51 mm) Tri Clamp kit (vessel fitting, clamp ring, and seal). Material: 316 SST, NBR Nitrile
★
★
★
★
Emerson.com/Rosemount
5
Rosemount 2110 Level Switch
1450 (100)
1160 (80)
-3.62 (-0.25)
-40
(-40)
122
(50)
302
(150)
Process Temperature °F (°C)
Process Pressure psig (barg)
32 (0)
32
(0)
Specifications
March 2018
General
Product
Rosemount 2110 Compact Level Switch
Measuring principle
Vibrating fork
Applications
Most liquids including coating liquids, aerated liquids, and
slurries
Mechanical
Mounting connections
3
/4-in. BSPT (R) or NPT,
1-in. BSPT (R) or BSPP (G) thread, or
Hygienic 2-in. (51 mm) Tri Clamp fitting
Materials selection
Emerson provides a variety of Rosemount product with various
product options and configurations including materials of
construction that can be expected to perform well in a wide
range of applications. The Rosemount product information
presented is intended as a guide for the purchaser to make an
appropriate selection for the application. It is the purchaser’s
sole responsibility to make a careful analysis of all process
parameters (such as all chemical components, temperature,
pressure, flow rate, abrasives, contaminants, etc.), when
specifying product, materials, options and components for the
particular application. Emerson is not in a position to evaluate or
guarantee the compatibility of the process fluid or other process
parameters with the product, options, configuration or
materials of construction selected.
This declaration is applicable to the 2-in. (51 mm) Tri Clamp
connection option when ordered with Surface Finish option
codes 3, 4, 7 and 8.
Housing / enclosure materials
Body: 304 SST with polyester label
LED window: Flame retardant Polyamide (Pa12) UL94 V2
Plug: Polyamide glass reinforced
Plug seals: Nitrile butadiene rubber
Ingress protection rating
IP66/67 to EN60529
Performance
Hysteresis (water)
±0.039-in. (± 1 mm) nominal
Switching point (water)
0.5 in. (13 mm) from fork tip if mounted vertically
0.5 in. (13 mm) from the fork edge if mounted horizontally
The switch point varies with different liquid densities.
Functional
Maximum operating pressure
The final rating depends on the process connection.
Threaded connection: see Figure 1
Hygienic connection: 435 psig (30 barg)
Figure 1. Process Pressure
Process connection materials
316L stainless steel (1.4404)
Gasket material for 1 in. BSPP (G1) is Non-asbestos BS7531
Grade X carbon fiber with rubber binder.
Transmissible Spongiform Encephalopathy (TSE)
declaration
Emerson™ certifies no process wetted components used in this
product contain substances of animal origin. Materials used in
the production or processing of wetted components for this
product meet the requirements stated in EMA/410/01 Rev. 3
and ISO 22442-1:2015. Wetted components in this product are
considered free of TSE.
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Emerson.com/Rosemount
March 2018
176 (80)
140
(60)
-40 (-40)
-40
(-40)
302
(150)
Process Temperature °F (°C)
Ambient Temperature °F (°C)
32 (0)
32
(0)
122 (50)
Load
0V/N
+V/L
PE
+V
PLC
0V
PE
Rosemount 2110 Level Switch
Minimum and maximum operating temperatures
See Figure 2 for the maximum and minimum operating
temperatures.
Figure 2. Temperature
Liquid density requirement
Minimum 37.5 lb/ft3 (600 kg/m3)
Cable connection
Via 4-way plug provided (DIN43650)
Maximum conductor size is 15AWG
4-position orientation (90° / 180° / 270° / 360°)
Terminal connection (wire diameter)
Maximum 0.06 in.2 (1.5 mm2)
Cable gland
PG9 provided. Cable diameter 0.24 to 0.31 in. (6 to 8 mm)
Grounding
Always ground the Rosemount 2110 either through the
terminals or using the external ground connection provided.
Electronics options
Figure 3. Direct Load Switching (Electronics Code 0)
Liquid Viscosity Range
0.2 to 10000 cP (centiPoise)
Solids content and coating
Maximum recommended diameter of solid particles in the liquid
is 0.2 in. (5 mm). For coating product, avoid ‘bridging’ of forks.
Switching delay
1 second delay for dry-to-wet or wet-to-dry switching
CIP (Clean In Place) cleaning
Withstands steam cleaning routines up to 302 °F (150 °C)
Electrical
Switching mode
User selectable (Dry=on or Wet=on) by selecting plug wiring
Protection
Polarity insensitive – Direct Load electronics only,
over-current protection, short-circuit protection, load-missing
protection, and surge protection (to IEC61326)
Magnetic test point
A magnetic test point is located on the side of the housing,
allowing a functional test of the Rosemount 2110 and a system
connected to it. By holding a magnet to the target, the output
changes state for as long as the magnet is held there.
Emerson.com/Rosemount
Direct load switching (electronics code 0)
Operating voltage 21 to 264 Vac (50 to 60 Hz)/dc
Maximum switched load 500 mA
Maximum peak load 5 A for 40 ms maximum
Minimum switched load 20 mA continuous
Voltage drop 6.5 V @ 24 Vdc / 5 V @ 240 Vac
Current draw (load off) < 3.0 mA continuous
Figure 4. PNP Switching (Electronics Code 1)
PNP switching (electronics code 1)
Operating voltage 18 to 60 Vdc
Maximum switched load 500 mA
Maximum peak load 5 A for 40 ms maximum
Voltage drop < 3 V
Supply current 3 mA nominal
Output current (load off) < 0.5 mA
7
Rosemount 2110 Level Switch
Product Certifications
European Union directive information
A copy of the EU Declaration of Conformity can be found at the
end of the Rosemount 2110 Quick Start Guide
The most recent revision of the EU Declaration of Conformity
can be found at Emerson.com/Rosemount
Overfill protection
If required, select Product Certificates code U1 for DIBt/WHG
overfill protection. The approval number is Z-65.11-236.
Hygienic certifications and
compliances
(surface finish codes 3, 4, 7, and 8)
3-A Authorization (3496)
.
.
March 2018
EHEDG Certificate: (102016)
ASME-BPE and FDA compliant.
Canadian Registration Number (CRN)
The CRN is 0F04227.2C for model numbers with a NPT threaded
process connection selected.
Technical Regulation Customs Union
(EAC), ordinary locations mark
TRCU 004/2011
Certificate: TR RU C-GB.AB72.B.01974
EN61010-1 Pollution degree 2, Category II (264V maximum),
Pollution degree 2, Category III (150 V maximum)
TRCU 020/2011
Certificate: TCRU C-GB.AB72.B.00916
EN61326
8
Emerson.com/Rosemount
March 2018
9.41
(238)
A
Ø1.5 (Ø38)
1.73
(44)
2.36
(60)
4.57
(116)
1.97
(50)
3.86
(98)
BSPT/NPT
thread
BSPP thread
(semi extended)
BSPP thread
0.5 (13) switching point
when mounted vertically
0.5 (13) switching point
when mounted horizontally
Ø1.5 (Ø38)
A
0.5 (13) switching point
when mounted vertically
7.91
(201)
1.73
(44)
0.5 (13) switching point
when mounted horizontally
3.07
(78)
Ø1.5 (Ø38)
A
0.5 (13) switching point
when mounted vertically
1.73
(44)
0.5 (13) switching point
when mounted horizontally
7.4
(188)
2.72
(69)
1.97
(50)
Dimensional Drawings
Figure 5. Threaded Process Connections
Rosemount 2110 Level Switch
A. 1.61 (41) A/F hexagon with fork orientation groove
Dimensions are in inches (mm).
Emerson.com/Rosemount
9
Rosemount 2110 Level Switch
Ø1.5 (Ø38)
1.73
(44)
2.52
(64)
0.5 (13) switching point
when mounted vertically
0.5 (13) switching point
when mounted horizontally
A, B
7.40
(188)
Ø1.65
(Ø42)
2.72
(69)
Figure 6. Tri Clamp Process Connection
March 2018
A. 2-in. (51 cm) Tri Clamp, hygienically certified (surface finish codes 3, 4, 7, and 8)
B. 2-in. (51 cm) Tri Clamp, not hygienically certified (surface finish codes 1 and 2)
C. 1.61 (41) A/F hexagon with fork orientation groove
Dimensions are in inches (mm).
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Emerson.com/Rosemount
March 2018
Rosemount 2110 Level Switch
Emerson.com/Rosemount
11
Rosemount 2110 Level Switch
00813-0100-4029, Rev FA
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Product Data Sheet
March 2018
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+41 (0) 41 768 6300
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