Rosemount 3107, 3108 Specifications
Rosemount Ultrasonic
3107 Level and 3108 Flow Transmitters
Product Data Sheet
July 2014
00813-0200-4840, Rev CA
Non-contacting measurement with no moving parts
Fast and simple to install and configure
Continuous measurement of level, contents (volume), or open channel flow
MCERTS certified version for use with Rosemount 3490 Series Control Unit
Loop-powered 4-20mA with HART
Factory sealed (IP68) for use in wet-wells and sumps up to 39 ft. (12 m) deep
Rugged all UPVC construction ideal for application on exposed sites such as reservoirs, rivers, remote
works, and effluent treatment plants
®
output
Rosemount 3107 and 3108
3490
3491
Model type:
Rosemount 3107
Level Transmitter
Open channel Flow Measurement
with a Rosemount 3107 transmitter and
Rosemount 3490 controller unit
Rosemount 3108
Flow Transmitter
Differential measurement with
two Rosemount 3107 transmitters
Overview of the Rosemount 3107 and 3108
Measurement principle
The 3107 and the 3108 are based on ultrasonic technology.
Ultrasonic pulse signals are transmitted and reflected from the
liquid surface. The transmitter ‘listens’ for reflected signals
(echoes) and measures the time-delay between transmitting
and receiving.
The distance to the liquid surface is automatically calculated
using the computed time-delay.
The 3107 has an integrated sensor for automatically
compensating the Distance for temperature effects.
The 3108 has a factory fitted remote temperature sensor to
continuously measure the air temperature around the
transmitter. It then computes the speed of sound in air,
automatically compensating Distance for temperature effects.
The level measurement (Bottom Reference minus Distance) is
sent through the 4–20 mA and HART output.
July 2014
Features and benefits
Eliminates problems experienced with contacting
instrumentation
Simple set-up and operation
Minimal maintenance after installed
Low cost of installation and commissioning
Process downtime minimized
Non-contacting measurement with no moving parts
Sealed rugged UPVC housing
Corrosion resistant UPVC wetted material
Factory fitted with up to 164 ft. (50 m) of two-core cable
4–20 mA loop-powered
Operating range to 39 ft. (12 m)
Measures liquid height, distance to liquid, volume, or flow in
open channels
Certified Intrinsically Safe and used for level (or distance)
measurements in hazardous areas
Automatic temperature compensation
Contents
Overview of the Rosemount 3107 and 3108 . . . . . . . . . . page 2
Rosemount 3107 Level Transmitter Ordering . . . . . . . . . . page 4
Rosemount 3108 Flow Transmitter Ordering . . . . . . . . . . page 5
Rosemount 3107 and 3108 Spares and Accessories . . . . page 6
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Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 7
Product Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 10
Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 11
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July 2014
Easy Programming Using A Field Communicator Or AMS™ Suite:
Intelligent Device Manager
Special features
Advanced software features
Learn routine (false echo registration)
The transmitter can learn to ignore up to four false echoes
caused by the pulse signal reflecting off obstructions, until
the actual level is seen.
Empty tank mapping
When a tank is empty, the transmitter can learn to ignore up
to four false echoes, without the need for user interaction.
Present depth
The bottom reference can be automatically set using a known
user-entered depth.
Set as empty
When the tank is empty, the bottom reference can be
automatically reset to the measured distance.
Distance offset
The distance to the surface can be adjusted by a user-entered
positive or negative offset value.
Level offset
The level can be adjusted by a user-entered positive or
negative offset value
Bottom blanking
Rosemount 3107 and 3108
The transmitter can be set to ignore an area of the tank
bottom to avoid false echoes from obstructions.
Applications
Storage tank levels
Open channel flow
Effluent pits
Reservoir level
Buffer tanks
Filter bed level
Choosing the right model
Each model of the 3100 Series has been designed for a specific
purpose, as shown in the table here:
Application Model Range
Simple level measurement
within a tank, sump, or
3107 39-ft. (12 m) range
reservoir
Differential level
measurement
(2 x Transmitters and
3107
3108
39-ft. (12 m) range
11-ft. (3,3 m) range
1 x Rosemount 3490)
Open channel flow or
volume measurement
3108 11-ft. (3,3 m) range
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Rosemount 3107 and 3108
July 2014
Rosemount 3107 Level Transmitter Ordering
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment.
See page 7 for more information on Material Selections.
Table 1. Rosemount 3107 ordering information
★The Standard offering represents the most common models and options. These options should be selected for best delivery.
The Expanded offering is manufactured after receipt of order and is subject to additional delivery lead time.
Model Product Description
3107 Ultrasonic level transmitter, 39 ft. (12 m) range
Signal Output
Standard Standard
H 4–20 mA with HART communication ★
Housing Material
Standard Standard
P UVPC
Cable Lengths
Standard Standard
1 10 ft. (3 m)
2 65 ft. (20 m)
3 164 ft. (50 m)
Wet-side Material
Standard Standard
P UVPC
Process Connection
Standard Standard
(1)
N1
G1
(2)
1-in. NPT thread
1-in. BSPP thread
Certificates
Standard Standard
I1 ATEX Intrinsically Safe
I2 INMETRO Intrinsically Safe
I3 NEPSI Intrinsically Safe
I5 FM Intrinsically Safe
I6 CSA Intrinsically Safe
I7 IECEx Intrinsically Safe
(3)
IM
Special Alarm Options
Technical Regulation Customs Union (EAC) Intrinsically Safe
(4)(5)
Standard Standard
C4 Namur NE43 alarm and saturation levels, high alarm
C5 Namur NE43 alarm and saturation levels, low alarm
C8 Standard Rosemount alarm and saturation levels, low alarm
Special Certification Option
Standard Standard
Q4 Certificate of functional test
Typical Model Number: 3107 H P 1 P G1 I1
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★
(1) Choosing this option implies US (Imperial) units of measurement are required for the default configuration. Configuration can be changed on-site.
(2) Choosing this option implies Metric units of measurement are required for the default configuration. Configuration can be changed on-site.
(3) Contac t an Emerson Process Management representative for additional information.
(4) When no Special Alarm option code is selected, the configuration is a high alarm, and standard Rosemount alarm and saturation levels.
(5) See “Electrical” on page 7 for more information about the saturation levels and alarm signal indication.
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July 2014
Rosemount 3107 and 3108
Rosemount 3108 Flow Transmitter Ordering
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment.
See page 7 for more information on Material Selections.
Table 2. Rosemount 3108 ordering Information
★The Standard offering represents the most common models and options. These options should be selected for best delivery.
The Expanded offering is manufactured after receipt of order and is subject to additional delivery lead time.
Model Product Description
3108 Ultrasonic Open Channel Flow Transmitter with remote temperature sensor, 11 ft. (3,3 m) range
Signal Output
Standard Standard
H 4–20 mA with HART communication
Housing Material
Standard Standard
P UVPC
Cable Lengths
Standard Standard
2 65 ft. (20 m)
Wet-side Material
Standard Standard
P UVPC
Process Connection
Standard Standard
N1
N2
G1
G2
(1)
(1)
(2)
(2)
1-in. NPT thread
1-in. NPT thread with 1-in. NPT to 3/4-in. NPT female conduit adaptor
1-in. BSPP thread
1-in. BSPP thread with 1-in. BSPP to M20 female conduit adaptor
Certificates
Standard Standard
I1 ATEX Intrinsically Safe
I2 INMETRO Intrinsically Safe
I3 NEPSI Intrinsically Safe
I5 FM Intrinsically Safe
I6 CSA Intrinsically Safe
I7 IECEx Intrinsically Safe
(3)
IM
Special Alarm Options
Technical Regulation Customs Union (EAC) Intrinsically Safe
(4)(5)
Standard Standard
C4 Namur NE43 alarm and saturation levels, high alarm
C5 Namur NE43 alarm and saturation levels, low alarm
C8 Standard Rosemount alarm and saturation levels, low alarm
Special Certification Option
Standard Standard
Q4 Certificate of functional test
Typical Model Number: 3108 H P 2 P N 1 I5
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
(1) Choosing this option implies US (Imperial) units of measurement are required for the default configuration. Configuration can be changed on-site.
(2) Choosing this option implies Metric units of measurement are required for the default configuration. Configuration can be changed on-site.
(3) Contac t an Emerson Process Management representative for additional information.
(4) When no Special Alarm option code is selected, the configuration is a high alarm, and standard Rosemount alarm and saturation levels.
(5) See “Electrical” on page 7 for more information about the saturation levels and alarm signal indication.
www.rosemount.com
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