Rosemount™ 3101, 3102, and 3105 Level
Transmitters
Ultrasonic
March 2019
■
Non-contacting measurement with no moving parts
■
Integral LCD and buttons as standard for on-site programming
■
Continuous measurement of level
■
Volume or open channel flow calculations for the Rosemount 3102 and Rosemount 3105
■
Two wire loop powered. Rosemount 3102 and 3105 have digital HART® communications
■
Two integral signal relays on the Rosemount 3102
■
Easy to install and configure
■
Rugged metal or plastic housing. PVDF wetted material
Page 2
ABC
Rosemount 3100 SeriesMarch 2019
Introduction
Measurement principle
The Rosemount 3100 Series is a liquid level transmitter based on ultrasonic technology that is suitable for many liquid applications.
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 transmitter then calculates the liquid depth (level) and outputs the level as a 4–20 mA signal (and a digital HART® signal on the
Rosemount 3102 and 3105).
The Rosemount 3102 is used for measuring the level only. The Rosemount 3102 and 3105 can calculate distance-to-surface,
contents (volume), or open channel flow, and then output the result as a 4–20 mA signal and a digital HART signal.
An integral temperature sensor continuously measures the air temperature around the transmitter. It then computes the speed of
sound in air, automatically compensating the calculated distance for temperature effects. The Rosemount 3102 and 3105 have a
remote temperature sensor option.
Figure 1: Rosemount™ 3100 Series Ultrasonic Level Transmitters
A. Metal housing material (½-14 NPT conduit entries)
B.
Glass-filled nylon housing material
C. Remote temperature sensor option (for the Rosemount 3102 and 3105)
Spare Parts and Accessories...............................................................................................................................................................8
Measures liquid height, distance to liquid, volume, or flow in open channels
■
Eliminates problems experienced with contacting instrumentation
■
Simple set-up and operation with an integral LCD display and buttons
■
Low cost of installation and commissioning. Minimal maintenance after installed
■
Process downtime minimized
■
Non-contacting measurement with no moving parts
■
Two integral signal relays (on the 3102 only)
■
Corrosion resistant PVDF wetted material
■
Two-wire 24 V direct current loop-powered
■
Operating range up to 36 ft. (11 m)
■
Automatic temperature compensation
Applications
■
Storage tank levels
■
Open channel flow
■
Effluent pits
■
Reservoir level
■
Buffer tanks
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Rosemount 3100 SeriesMarch 2019
Special features
Advanced software features on the HART transmitters (Rosemount 3102 and 3105 only)
■
Learn routine (false echo registration)
— The transmitter can learn to ignore up to four false echoes, caused by the pulse signal reflecting off obstructions.
■
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
— The transmitter can be set to ignore an area of the tank bottom to avoid false echoes from obstructions.
How to choose the right transmitter version
Each transmitter version has been designed for a specific purpose (see Table 1).
Table 1: Choosing Rosemount™ 3100 Series Ultrasonic Level Transmitters
ApplicationVersionRange
Simple level measurement3101
3102
Level measurement and local relays310236-ft. (11 m) range
Level measurement in hazardous areas310536-ft. (11 m) range
Open channel flow or volume measurement3102
3105
4Emerson.com/Rosemount
26-ft. (8 m) range
36-ft. (11 m) range
Non-hazardous area
Hazardous area
Page 5
March 2019Rosemount 3100 Series
Ordering information
Rosemount 3101 Level Transmitter
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment. See
Materials selection for more information on Material Selections.
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings
are subject to additional delivery lead time.
Table 2: Rosemount 3101 Level Transmitter Ordering Information
ModelProduct description
3101Ultrasonic Level Transmitter, 1 to 26 ft.(0,3 to 8 m) range
Signal output
L4–20 mA★
Housing material
APolyurethane-covered Aluminum★
PGlass Filled Nylon★
Conduit/cable thread
1½ –14 NPT★
2M20 x 1.5 adaptor★
3M20 x 1.5 supplied with nylon cable glands (Plastic Housing only)★
Wetted material
FPVDF★
Process connection
(1)
RC
(2)
SC
Product certificates
NANo certification★
G5FM Ordinary Location★
G6CSA Ordinary Location★
Typical model number: 3101 L A 1 F RC G5
Choosing this option implies US (Imperial) units of measurement in feet are required for the default configuration. The configuration can be
(1)
changed on-site.
Choosing this option implies Metric units of measurement in meters are required for the default configuration. The configuration can be changed
(2)
on-site.
2-in. NPT thread★
2-in. BSPT thread★
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Page 6
Rosemount 3100 SeriesMarch 2019
Rosemount 3102 Level Transmitter
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment. See
Materials selection for more information on Material Selections.
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings
are subject to additional delivery lead time.
Table 3: Rosemount 3102 Ordering Information
ModelProduct description
3102Ultrasonic Level Transmitter with 2 integral relays, 1 to 36 ft. (0,3 to 11 m) range
Signal output
H4–20 mA with HART communication★
Housing material
APolyurethane-covered Aluminum★
PGlass Filled Nylon★
Conduit/cable thread
1½ –14 NPT★
2M20 x 1.5 adaptor★
3M20 x 1.5 supplied with nylon glands (Plastic Housing only)★
Wetted material
FPVDF★
Process connection
(1)
RC
SC
(2)
2-in. NPT thread★
2-in. BSPT thread★
Product certificates
NANo certification★
G5FM Ordinary Location★
G6CSA Ordinary Location★
Options (include with selected model number)
Special alarm options
(3)
C4Namur NE43 alarm and saturation levels, high alarm★
C5Namur NE43 alarm and saturation levels, low alarm★
C8Standard Rosemount alarm and saturation levels, low alarm★
Special certification option
Q4Certificate of functional test★
Typical model number: 3102 H A 1 F RC G5 C4
Choosing this option implies US (Imperial) units of measurement of feet are required for the default configuration. The configuration can be
(1)
changed on-site.
Choosing this option implies Metric units of measurement of meters are required for the default configuration. The configuration can be changed
(2)
on-site.
When no Special Alarm option code is selected, the configuration is pre-set for a high-signal alarm indication, and standard Rosemount alarm
(3)
and saturation levels (see Electrical for details).
6Emerson.com/Rosemount
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March 2019Rosemount 3100 Series
Rosemount 3105 Level Transmitter
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment. See
Materials selection for more information on Material Selections.
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings
are subject to additional delivery lead time.
Table 4: Rosemount 3105 Ordering Information
ModelProduct description
3105Ultrasonic Level Transmitter for hazardous areas, 1 to 36 ft.(0,3 to 11 m) range
Signal output
H4–20 mA with HART communication★
Housing material
APolyurethane-covered Aluminum★
PGlass Filled Nylon★
Conduit/cable thread
1½ –14 NPT★
2M20 x 1.5 adaptor★
3M20 x 1.5 supplied with nylon glands (Plastic Housing only)★
Wetted material
FPVDF★
Process connection
(1)
RC
SC
(2)
2-in. NPT thread★
2-in. BSPT thread★
Product certificates
I1ATEX Intrinsically Safe★
I3NEPSI China Intrinsically Safe★
I5FM Intrinsically Safe and Non-Incendive★
I6CSA Intrinsically Safe and Non-Incendive★
I7IECEx Intrinsically Safe★
Options (include with selected model number
Special alarm options
(3)
C4Namur NE43 alarm and saturation levels, high alarm★
C5Namur NE43 alarm and saturation levels, low alarm★
C8Standard Rosemount alarm and saturation levels, low alarm★
Special certification option
Q4Certificate of functional test★
Typical model number: 3105 H A 1 F RC I5
Choosing this option implies US (Imperial) units of measurement in feet are required for the default configuration. The configuration can be
(1)
changed on-site.
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Rosemount 3100 SeriesMarch 2019
Choosing this option implies Metric units of measurement in meters are required for the default configuration. The configuration can be changed
(2)
on-site.
When no Special Alarm option code is selected, the configuration is pre-set for a high-signal alarm indication, and standard Rosemount alarm
(3)
and saturation levels (see Electrical for details).
Spare Parts and Accessories
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment. See
Materials selection for more information on Material Selections.
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings
are subject to additional delivery lead time.
Table 5: Spare parts and accessories
Part numberDescription
03100-1001-0001Flange Mounting, 2-in. NPT to 2-in. ASME B16.5 Class 150, PVC★
03100-1001-0002Flange Mounting, 2-in. NPT to 3-in. ASME B16.5 Class 150, PVC★
03100-1001-0003Flange Mounting, 2-in. NPT to 4-in. ASME B16.5 Class 150, PVC★
03100-1001-0004Flange Mounting, 2-in. NPT to 6-in. ASME B16.5 Class 150, PVC★
03100-1002-0001Flange Mounting, 2-in. BSPT to PN16 DN50, PVC★
03100-1002-0003Flange Mounting, 2-in. BSPT to PN16 DN80, PVC★
03100-1002-0004Flange Mounting, 2-in. BSPT to PN16 DN100, PVC★
03100-1002-0005Flange Mounting, 2-in. BSPT to PN16 DN150, PVC★
03100-1003-0001
03100-1003-0002
03100-0001-0001Remote Temperature Sensor (Rosemount 3102 and 3105 only)★
03100-0002-00021/2–14 NPT to M20 x 1.5 Conduit Adaptor (Pack of two)★
See Dimensional Drawings.
(1)
(1)
(1)
2-in. NPT Mounting Bracket★
2-in. BSPT Mounting Bracket★
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Page 9
March 2019Rosemount 3100 Series
Specifications
General
Product
Rosemount™ 3100 Series Ultrasonic Level Transmitters:
■
Rosemount 3101: level measurement
■
Rosemount 3102:
— Level, distance, content (volume), and flow measurement, with two integral signal relays
■
Rosemount 3105:
— Level, distance, content (volume), and flow measurement for hazardous locations
Measurement principle
■
Ultrasonic, time-of-flight
Measuring performance
Measurement range
■
Rosemount 3101:
— Range of 1 to 26 ft. (0,3 to 8 m)
■
Rosemount 3102 and 3105:
— Range of 1 to 36 ft. (0,3 to 11 m)
Level resolution
■
Better than 0.04 in. (1 mm)
Accuracy under reference conditions
■
Rosemount 3101
— ± 0.2 in. (5 mm) for < 3.3 ft. (1 m), ± 0.5% of measured distance for > 3.3 ft. (1 m)
■
Rosemount 3102 and 3105
— ± 0.1 in. (2,5 mm) < 3.3 ft (1 m), ±0.25% of measured distance for > 3.3 ft. (1 m)
GOST/Belarus-approved Rosemount 3102 and 3105: see the Russian Product Data Sheet 00813-0107-4840 (available upon request)
for revised accuracy of ±0.12 in. (±3 mm) for measured distances less than 3.5 ft. (1.2 m).
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Rosemount 3100 SeriesMarch 2019
Display and configuration
Integral display
■
4/5 digit display for live measurement, and for configuration purposes
Output variables
■
Rosemount 3101: level
■
Rosemount 3102 and 3105:
Level (or distance-to-surface), Content (Volume), and Flow
—
Output units
■
For level or distance-to-surface: m, ft, in, or none
■
For contents: l, m3, gal, ft3, or none
■
For flow: l/s, l/m, m3/hr, gal/s, gal/m, ft3/m (cfm), ft3/hr, or none
Configuration tools
■
Standard integral push-buttons with LCD
■
DD-based handheld communicator
■
Rosemount™ 3490 Series Universal Control Unit
■
AMS Device Manager
(3)
(3)
(3)
Electrical
Power supply
■
Loop-powered (two-wire)
■
Rosemount 3101: 12 to 30 Vdc
■
Rosemount 3102: 12 to 40 Vdc
■
Rosemount 3105: 12 to 40 Vdc (non-hazardous area), 12 to 30 Vdc (hazardous area)
Earthing
■
None required.
Current output
■
Rosemount 3101: Analog 4–20 mA
■
Rosemount 3102: Analog 4–20 mA, HART
■
Rosemount 3105: Analog 4–20 mA, HART
Signal on alarm
■
Rosemount 3101: Low = 3.6 mA. High = 21 mA
■
Rosemount 3102 and 3105:
— Standard: Low = 3.6 mA. High = 21 mA
— Namur NE43: Low = 3.6 mA. High = 22.5 mA
(3) This configuration tool uses HART which is not supported on the Rosemount 3101.
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Page 11
March 2019Rosemount 3100 Series
Saturation levels
■
Rosemount 3101: Low = 3.8 mA. High = 20.5 mA
■
Rosemount 3102 and 3105:
— Standard: Low = 3.9 mA. High = 20.8 mA
— Namur NE43: Low = 3.8 mA. High = 20.5 mA
Relay output (Rosemount 3102)
Two integral signal relays, SPST rated 1A @ 30 Vdc (inductive) and 2A @ 30 Vdc (resistive)
Electrical parameters (for Rosemount 3105 hazardous area approvals)
Ui = 30 V, li = 120 mA, Pi = 0,82 W, Li = 108 μH, Ci = 0 nF
Cable entry
■
Aluminum housing:
— Two ½-14 NPT conduit entries for cable glands.
— Option: M20 x 1.5 conduit/cable adaptor.
■
Glass-filled nylon housing:
— Two M20 x 1.5 conduit entries for cable glands.
Output cabling
Single twisted-pair and shielded, min. 0,22 mm2 (24 AWG), max. 1,5 mm2 (15 AWG)
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 Process
Management 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.
Materials of construction
Wet-side material
PVDF
Body and cover materials
■
Body: polyurethane-covered aluminum, or glass-filled nylon
■
Cover seal: silicone rubber
■
Cover screws: 316 stainless steel
■
Transducer body seal: EPDM
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Rosemount 3100 SeriesMarch 2019
Mechanical
Mounting thread size
■
2-in. NPT, or 2-in. BSP.
■
Optional flange accessories available
Weight of transmitter
■
Rosemount 3101
with aluminum housing: 3.1 lb (1,4 kg)
—
— with glass-filled nylon housing: 2.0 lb (0,9 kg)
■
Rosemount 3102
— with aluminum housing: 3.3 lb (1,5 kg)
— with glass-filled nylon housing: 2.2 lb (1,0 kg)
■
Rosemount 3105
— with aluminum housing: 4.4 lb (2,0 kg)
— with glass-filled nylon housing: 3.1 lb (1,4 kg)
Measuring
Temperature compensation
■
Rosemount 3101:
— Automatic Integral temperature compensation
■
Rosemount 3101 and 3105:
— Automatic Integral temperature compensation.
— Optional remote temperature sensor for dynamic temperature compensation.
(4)
Environment
Ambient temperature
(5)
■
Rosemount 3101:
— Range of –4 to 158 °F (–20 to 70 °C)
■
Rosemount 3102 and 3105:
— Range of –40 to 158 °F (–40 to 70 °C)
Process temperature
■
Rosemount 3101:
— Range of –4 to 158 °F (–20 to 70 °C)
■
Rosemount 3102 and 3105:
— Range of –22 to 158 °F (–30 to 70 °C)
Process pressure
■
–4 to 44 psi (–0,25 to 3,0 bar)
(4) See Spare Parts and Accessories for optional accessories.
See Product Certifications for approval temperature ranges.
(5)
12Emerson.com/Rosemount
Page 13
24
R (Ohms)
U(V)0
0122030
1244
800
400
533
R (Ohms)
0
012203040
2418
U(V)
1244
800
400
533250
Rosemount 3101Rosemount 3102 and 3105
Rosemount 3105
R(Ohms)
U(V)0
012
1824
2030
1244
800
400
533250
March 2019Rosemount 3100 Series
Ingress protection
■
NEMA 4X, IP 66 for aluminum housing (requires a suitably rated cable gland/blanking plug–-not supplied)
■
IP 66/67 for glass-filled nylon housing (when using the supplied cable gland/blanking plug)
Electromagnetic compatibility
■
EN61326 (Class B)
Certifications
■
CE-mark, FM, CSA, NEPSI, ATEX, or IECEx (dependent on order code)
Load limitations
A handheld communicator requires a minimum load resistance of 250 Ohm within the loop in order to function properly.
Communication with a Rosemount™ 3490 Universal Controller does not require additional resistance. The maximum load
resistance can be determined from graphs in Figure 2 or Figure 3 .
Figure 2: Non-Intrinsically Safe Installations
Figure 3: Intrinsically Safe Installations
Note
R = Maximum load resistance. U = External power supply voltage.
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Page 14
Pressure
psi (bar)
44 psi
(3 bar)
–4 psi
(–0,25 bar)
–4 °F (–20 °C)
on Rosemount 3101
–4 °F (–20 °C)
on Rosemount 3102/3105
158 °F
(70 °C)
Temperature
°F (°C)
The final rating may be limited
by flange selection
Operating range
Rosemount 3100 SeriesMarch 2019
Temperature and pressure ratings
The process temperature/pressure rating depends on the design of the transmitter in combination with the flange materials.
Figure 4: Process Temperature and Presure Diagram for Rosemount 3101, 3102, and 3105
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Page 15
March 2019Rosemount 3100 Series
Product Certifications
European directive information
The most recent revision of the EU Declaration of Conformity can be found at Emerson.com/Rosemount.
Non-hazardous locations certifications
Ordinary location certification for FM (Rosemount 3101 and 3102 only)
G5 Project ID: 3024095
The transmitter has been examined and tested to determine that the design meets basic electrical, mechanical, and fire protection
requirements by FM, a nationally recognized testing laboratory (NRTL) as accredited by the Federal Occupational Safety and Health
Administration (OSHA).
Ordinary location certification for CSA (Rosemount 3101 and 3102 only)
G6
The transmitter has been examined and tested to determine that the design meets basic electrical, mechanical, and fire protection
requirements by CSA, a nationally recognized testing laboratory as accredited by the Standards Council of Canada (SCC).
Project ID: 02 CSA 1871624
Special condition for safe use:
For this CSA approval, the power for the Rosemount 3100 Series must be supplied from a Rosemount 3490 Series Control Unit, or
from a class 2 or SELV source.
Special conditions for intrinsically safe use (I1, I3, I5, I6, and I7):
1. All transmitter models have external plastic parts, which could present a risk of ignition due to electrostatic charge build-up.
They shall not be directly installed in any process where its enclosure might be charged by the rapid flow of non-conductive
media.
2. All transmitter models shall only be cleaned with a damp cloth.
3. When the transmitter housing uses aluminum alloy in its construction, this presents a risk of ignition due to impact and shall
be taken into consideration on installation and use.
Emerson Terms and Conditions of Sale are available upon request. The Emerson logo is a
trademark and service mark of Emerson Electric Co. Rosemount is mark of one of the
Emerson family of companies. All other marks are the property of their respective owners.
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