Brand: ABB

ABB Magnetostrictive Level Transmitter LMT200

Name: ABB LMT200 Magnetostrictive Level Transmitter – Datasheet
Brand: ABB

Description

Overview

The ABB LMT200 is a magnetostrictive level transmitter engineered for accurate, continuous level measurement in a wide range of industrial applications. Where ABB’s LST300/LST400 ultrasonic transmitters measure level from above the process surface, the LMT200 uses a float-and-probe magnetostrictive principle, delivering real-time level data with the exceptional precision that comes from direct mechanical coupling to the liquid surface rather than acoustic echo.

Seven Star LLC supplies the ABB LMT200 to storage tank, chemical reactor, and oil and gas process operators across Oman and the wider GCC on request. Manufacturer documentation is available with each quotation, and probe length and mounting details are confirmed at quotation.

Operating Principle

The LMT200 uses a float with a built-in magnet that moves along a probe as the liquid level changes; a magnetostrictive pulse traveling down the probe interacts with the float’s magnetic field, and the transmitter precisely times the returning pulse to determine level position. This allows highly accurate level detection without any moving parts inside the instrument itself – only the external float moves, while the sensing electronics remain static. Accuracy reaches ±0.01% of full scale (or 1.27 mm, whichever is greater), with repeatability of ±0.005% of full scale and an update rate of 10 measurements per second, for continuous level measurement. The LMT200 is designed to external-mount onto ABB’s KM26 magnetic level gauge, adding electronic transmission to a proven visual indicator rather than replacing it.

Built to operate in harsh environments, the LMT200 is ideal for monitoring liquids in storage tanks, chemical reactors, and oil and gas processes. It features robust construction and high resistance to temperature, pressure, and corrosion, making it a dependable choice for mission-critical operations where measurement stability cannot be compromised.

Engineering Design of the ABB LMT200

The LMT200 supports HART communication protocol, enabling seamless integration with existing process control systems, and offers multiple mounting options with easy installation and minimal calibration requirements. Whether dealing with hazardous chemicals, high-temperature liquids, or sensitive process media, the LMT200 delivers consistent results across a wide range of demanding process conditions.

Its non-contact measurement capability – in the sense that the sensing electronics never touch the process fluid directly – ensures minimal maintenance and long-term performance stability, a key advantage over contact-based level technologies in aggressive or fouling process media. Process temperature is rated from −195.5°C to 426.6°C (−320°F to 800°F) with options, covering everything from cryogenic storage to high-temperature process vessels, while ambient temperature is rated −40°C to 85°C. The sensor tube and probe are 316/L stainless steel, the enclosure is cast low-copper aluminum with powder coat or 316 stainless steel, and standard probe lengths run from 304.8 mm to 15.24 m (1 to 50 ft), with 90-degree variants available up to 7.62 m (25 ft) for tight installation clearances. Floats are engineered with a minimum of 75 grams of buoyancy and are available in titanium, Monel, Hastelloy C, stainless steel, or coated plastic to match the process fluid’s specific gravity and chemical compatibility.

Key Features

Magnetostrictive level measurement via float-and-probe mechanism
High precision, continuous real-time level data
Robust construction, high resistance to temperature, pressure, corrosion
HART communication for control-system integration
Multiple mounting options
Easy installation, minimal calibration requirements
Suited to hazardous chemicals and high-temperature liquids
Minimal maintenance, long-term performance stability
Accuracy ±0.01% of full scale (or 1.27 mm); repeatability ±0.005% of full scale
Process temperature −195.5°C to 426.6°C (−320°F to 800°F) with options
Float materials in titanium, Monel, Hastelloy C, stainless steel, or coated plastic
External-mounts onto ABB’s KM26 magnetic level gauge for combined visual and electronic indication

Industrial Applications

The LMT200 is used in demanding industries such as petrochemicals, power generation, food and beverage, and pharmaceuticals, where precise level control is crucial for storage tanks, chemical reactors, and oil and gas process vessels – applications where measurement precision and long-term stability directly affect operational efficiency and downtime.

Across Oman’s petrochemical and power generation sectors, and throughout the wider GCC, Seven Star LLC supplies the LMT200 on request to facilities that need magnetostrictive level transmitters, with the output matched between HART and FOUNDATION Fieldbus output and the float material the customer’s process fluid requires.

Technical Specifications

Parameter	Specification
Model	ABB LMT200
Measurement Type	Magnetostrictive (float-and-probe), external mount to KM26
Accuracy	±0.01% of full scale (or 1.27 mm, greater of the two)
Repeatability	±0.005% of full scale (or 0.315 mm)
Update Rate	10 measurements/second
Probe Length	304.8 mm to 15.24 m (1–50 ft)
Process Temperature	−195.5°C to 426.6°C (−320°F to 800°F) with options
Ambient Temperature	−40°C to 85°C
Sensor/Probe Material	316/L stainless steel
Float Material	Titanium, Monel, Hastelloy C, stainless steel, or coated plastic
Process Connection	Two M20 x 1.5 or two ½ in. FNPT
Communication	4–20 mA HART7 or FOUNDATION Fieldbus
Application	Petrochemicals, power generation, food & beverage, pharmaceuticals

Request a Quote for ABB Magnetostrictive Level Transmitter LMT200

Contact Seven Star LLC for a quotation on the ABB LMT200 magnetostrictive level transmitter, with manufacturer documentation. Lead time is confirmed at quotation.

Where the ABB LMT200 is used

Storage tanks
Chemical reactors
Oil and gas process vessels
Tanks fitted with a magnetic level gauge
Mission-critical level duty

Selection checklist for the ABB LMT200

Tank or vessel type
Probe length
Mounting details
Magnetic level gauge to fit
Liquid and process conditions
Output needed
Cable entry
Part number match

Installation, commissioning and maintenance notes for the ABB LMT200

Mount the transmitter on the magnetic level gauge following the installation guidance of the maker. Connect the loop wiring and check the level reading against the gauge. Inspect the probe, the float and the wiring at regular intervals.

Requesting a quotation for the ABB LMT200

Please send the tank details, the probe length and the liquid. Seven Star LLC serves industrial customers in Oman and the GCC and replies with a quotation based on the information provided.

LMT200 transmitter type

It is a magnetostrictive level transmitter.

LMT200 maker

It is made by ABB.

LMT200 measurement

It measures level continuously in industrial applications.

LMT200 ultrasonic contrast

The LST300 and LST400 ultrasonic transmitters of ABB measure level from above the surface.

LMT200 coupling

The LMT200 couples directly to the liquid surface through a float instead of relying on an acoustic echo.

LMT200 float

A float with a built-in magnet moves along the probe as the liquid level changes.

LMT200 pulse

A magnetostrictive pulse travels down the probe and interacts with the magnetic field of the float.

LMT200 timing

The transmitter times the returning pulse to find the level position.

LMT200 moving parts

Only the external float moves while the sensing electronics stay static.

LMT200 gauge mounting

It is designed to mount externally on the KM26 magnetic level gauge of ABB.

LMT200 visual indicator

It adds electronic transmission to a visual indicator that is already proven in service.

LMT200 environments

It is built to operate in harsh environments.

LMT200 construction

The construction is robust and resists temperature, pressure and corrosion.

LMT200 stability

It suits duties where measurement stability cannot be compromised.

LMT200 probe length

Probe length and mounting details are confirmed at quotation.

LMT200 documentation

Manufacturer documentation is supplied with each quotation.

LMT200 customers

Seven Star LLC serves tank operators across Muscat, Sohar and Salalah.

LMT200 support

Seven Star LLC gives local technical support with selection.

Level records for the ABB LMT200

Record the probe length, the readings and the date of each check against the gauge.

Choosing the right ABB LMT200 probe

Choose the probe from the tank height, the gauge fitted and the process data.

Datasheets & Documents

Datasheet ABB-Magnetostrictive Level Transmitter LMT200 Datasheet Download

Reviews (0)

Reviews

There are no reviews yet.

How would you rate this product?

About brand

ABB is the Swiss-Swedish engineering group for electrification and automation: low voltage drives, motors, circuit breakers and motor control, process instruments and analysers, control systems and robots. It was formed on 5 January 1988 by the merger of two older companies. ASEA was founded in Västerås, Sweden, in 1883 by Ludvig Fredholm to make electric lighting and generators. BBC Brown Boveri was founded in Baden near Zurich in 1891 by Charles E. L. Brown and Walter Boveri. ABB Ltd is incorporated in Switzerland, headquartered in Zurich and listed on the SIX Swiss Exchange and Nasdaq Stockholm.

ABB company profile

Formed	5 January 1988, by the merger of ASEA (Sweden) and BBC Brown Boveri (Switzerland), each holding 50%
ASEA	Founded 1883 in Västerås, Sweden, by Ludvig Fredholm; first products electric lighting and generators
Brown, Boveri & Cie	Founded 1891 in Baden, Switzerland, by Charles E. L. Brown and Walter Boveri
Headquarters	Zurich, Switzerland; ABB Ltd became the group holding company in 1999
Ownership	Public company listed on SIX Swiss Exchange and Nasdaq Stockholm
Brands in the group	Baldor (US motors, acquired 2011), B&R (machine automation, acquired 2017), K-TEK level instruments, Endura and Navigator analysers, SACE breakers
Product families	Low and medium voltage drives (ACS series), motors, SACE Tmax and Emax breakers, contactors and soft starters, flow, pressure, temperature and level instruments, liquid and gas analysers, Contrac actuators, AC500 PLCs, Ability System 800xA and S800 I/O, protection relays, robots

Milestones

1883: ASEA is founded in Västerås, Sweden.
1891: Brown, Boveri & Cie is founded in Baden, Switzerland.
1987–1988: The merger is announced on 10 August 1987; ABB Asea Brown Boveri starts operating on 5 January 1988.
1999: ABB Ltd, incorporated in Switzerland, becomes the single holding company of the group.
2011 and 2017: Baldor Electric and B&R join ABB.
2020: ABB sells its power grids business to Hitachi, focusing on electrification, motion, process and machine automation.

Choosing an ABB drive

ABB's ACS drive codes are easy to read once you know the pattern. In ACS580-01-046A-4, "ACS580" is the drive family, "01" means a wall-mounted single drive, "046A" is the rated output current (about 46 A) and "-4" means a 380–480 V supply. The family is chosen by application: ACS355 for compact machinery, ACS310 for simple pumps and fans, ACS580 as the general-purpose drive, ACQ580 for water and wastewater with pump functions such as pipe fill and dry-run protection, and ACS880 for heavy industrial duty with direct torque control. Size the drive on the motor's full-load current, not only its kW rating, and allow derating for the high ambient temperatures common in Gulf electrical rooms.

Where ABB products are used

In Oman and the GCC, ABB drives and motors run pumps, fans and compressors in water and wastewater plants, district cooling, oil and gas and industry. ABB flowmeters, level instruments and analysers are used in water utilities, power and desalination plants and refineries, and SACE breakers protect switchboards in buildings and plants.

ABB products we list

Family	Examples
AC drives	ACS580, ACS580-01-046A-4, ACQ580, ACS355, ACS310, ACS880-01, FEN-31 encoder module
Breakers, motor control and protection	SACE Tmax XT, XT3N 250, SACE Emax 2, AF09 contactor, PSR soft starter, REM615 relay
Flow measurement	ProcessMaster FEP300, AquaMaster4, CoriolisMaster FCB430, VortexMaster FSV430, SwirlMaster FSS430, OriMaster FPD500
Pressure, temperature and level	266DRH, 267CS multivariable, TTH300, K-TEK AT100, LMT200, MT5000 GWR, KM26 gauge
Analysers	Endura AZ20, AK100 hydrogen purity, Navigator AW641 silica, AW402 chlorine, AWT210
Control systems and actuators	AC500, AC500-S, S800 AI810, AC 800F SA 811F, Contrac RSD50, Contrac RHD4000

Ordering ABB products: what we need

Send the full type code from the nameplate (for example ACS580-01-046A-4 or 266DSH...) and, for spare parts, the ABB ID number (such as 3BSE008508R1 or 1SBL176001R3010). For drives, add the motor power and current and any option codes (+...). For instruments, send the complete order code, which sets range, materials and approvals. Baldor motors are listed on their own brand page.

Facts checked against ABB company filings and published histories of ASEA and Brown, Boveri & Cie, October 2026.

FAQ

Questions about the ABB Magnetostrictive Level Transmitter LMT200

Answers from our engineering team on installation, compatibility and integration.

01How does the ABB LMT200 measure level?

It uses a float with a built-in magnet that moves along a probe; a magnetostrictive pulse traveling down the probe interacts with the float's magnetic field, and the transmitter times the returning pulse to determine level.

02How does the LMT200 differ from ABB's ultrasonic level transmitters?

The LMT200 uses direct mechanical float-and-probe coupling rather than acoustic echo, delivering high-precision continuous measurement well suited to demanding process media.

03Is the ABB LMT200 suitable for hazardous chemicals?

Yes. It delivers consistent results whether dealing with hazardous chemicals, high-temperature liquids, or sensitive process media.

04Does the LMT200 support HART communication?

Yes. The LMT200 supports HART communication protocol, enabling seamless integration with existing process control systems.

05Is Seven Star LLC an experienced supply partner for ABB products?

Seven Star LLC supplies ABB products to customers in Oman and the GCC on request and can provide the manufacturer documentation.