Levelstate Systems

What Levelstate Systems does

Levelstate Systems Ltd is a privately-held UK manufacturer specializing in drum level monitoring, measuring, and switching equipment for steam-generating plants. Founded in 1989 and headquartered in Alton, Hampshire with a registered office in Four Marks, the company has operated for over four decades building a global export business — more than 80% of revenue is generated outside the UK, distributed across power generation, petrochemical, fertilizer, sugar, pulp and paper, metallurgical, cement, and textile operators in Asia, the Middle East, Southeast Asia, Europe, Africa, and the Americas.

The core product line is built on two proprietary physical principles: conductivity probe (resistivity discrimination) technology used in the Electronic Drum Level Indicator (EDLI) and Electronic Level Switch (ELS) families, and refractive index (bi-color) technology used in the Direct Water Level Gauge (DWLG). These instruments detect and indicate steam/water levels in boilers operating at up to 207 bar and 370°C, and the company supplies drop-in replacement probes compatible with incumbent OEM products including Hydrastep, Solartron, Mobrey, Emerson, Clarke Reliance, Diamond Power, Fossil, Yarway, and BHEL. The portfolio has expanded into acoustic monitoring through the Acoustic Steam Leak Detector (ASLD), which uses piezoelectric sensing and FFT analysis to detect boiler tube leaks as small as a 5-mil pinhole, and the Acoustic Temperature System (ATS), which uses speed-of-sound proportionality for non-intrusive combustion gas temperature mapping. A CE-approved (EN1808) Furnace Maintenance Platform (FMP), marketed via a partnership with Sky-Climber, and a Levelstate Programmer mobile app round out the offering.

The business model combines capital equipment sales, replacement parts and probes, and commissioning/technical services, delivered through direct enterprise sales to OEMs, EPC contractors, and plant operators alongside an established network of regional agents providing first-line technical sales, commissioning support, and spares management in local languages. Pricing is quotation-based and not publicly disclosed. The company holds ISO 9001, AS9100, and ASME Section I PG60.1 certifications, with explosion-proof hazardous area approval and IP65/IP68 enclosure ratings, supporting deployment in safety-critical high-pressure steam environments.

Name

Levelstate Systems

Legal name

Levelstate Systems Ltd

Website

https://levelstate.com

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

1–10 employees

Short description

Levelstate Systems Ltd is a UK-based manufacturer of drum level monitoring, switching, and leak detection instrumentation for steam-generating plants, exporting over 80% of revenue across 8+ industrial sectors worldwide via direct sales and a global agent network.

Ownership category

akta.pro rank

Product category

Industrial Process Instrumentation

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513), Other Measuring and Controlling Device Manufacturing (334519), Power Boiler and Heat Exchanger Manufacturing (33241)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Steam & Air-Conditioning Supply (4961), Industrial Process Furnaces & Ovens (3567)

akta.pro primary industry

Boilers, Furnaces & Process Heating Equipment (IMAHAKAD)

akta.pro secondary industries

Cooling, Water/Steam Cycle & Balance-of-Plant Retrofits (Condensers, Cooling Towers) (EUAEALAK), Chillers, Boilers & Central Plant Operations (BPABACAG), Boiler Repair, Maintenance & Tune-Ups (HSAOACAD)

Keywords

• Drum level monitoring
• Boiler level sensors
• Steam plant equipment
• Industrial process measurement
• Conductivity level probes

Headquarters

HQ city

England

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain, Infrastructure

Revenue model

1. Drum Level Monitoring Equipment Sales: Sale of Electronic Drum Level Indicators (EDLI), Electronic Level Switches (ELS), and Direct Water Level Gauges (DWLG) as capital equipment for steam-generating plants. One-time hardware sales with optional software configurations.
2. Replacement Parts and Probes: Replacement conductivity probes, gauge glass spares, and refurbishment services for existing installations. Direct replacement probes for major OEMs including Hydrastep, Solartron, Mobrey, Emerson, Clarke Reliance, Diamond Power, Fossil, Yarway, and BHEL.
3. Commissioning and Technical Services: Engineering services including installation, commissioning, and technical support through global agent network. Local language technical assistance available in all major industrial markets.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

Levelstate Systems manufactures and supplies precision drum level monitoring, measuring, and switching equipment for high-pressure steam-generating plants. The product line includes Electronic Drum Level Indicators (EDLI), Electronic Level Switches (ELS), Direct Water Level Gauges (DWLG), Acoustic Steam Leak Detectors (ASLD), Acoustic Temperature Systems (ATS), and Furnace Maintenance Platforms (FMP), along with retrofit replacement probes and spares compatible with major OEM systems.

Product overview

Levelstate Systems offers a portfolio of precision drum level monitoring solutions centered on conductivity probe technology and refractive index measurement. The core product line includes the Electronic Drum Level Indicator (EDLI) and Electronic Level Switch (ELS) families (including ELS 300+, ELS 400+, and ELS NANO variants) that use resistivity discrimination to detect steam/water levels, complemented by the Direct Water Level Gauge (DWLG) which uses refractive index differences for direct visual indication. Supporting products include the Acoustic Steam Leak Detector (ASLD) for early boiler tube leak detection via acoustic sensing, and the Acoustic Temperature System (ATS) for combustion gas temperature mapping using acoustic pyrometry. The Furnace Maintenance Platform (FMP) provides motorized access equipment, while the Replacement Probes and Gauge Glass Spares line offers direct replacements for major OEM products including Hydrastep, Mobrey, Clarke Reliance, and Diamond Power. A companion Mobile App enables device management and monitoring. Products are designed for high-pressure steam boiler applications up to 207 bar at 370°C and are deployed across power, petrochemical, refinery, fertilizer, sugar, pulp & paper, metallurgical, cement, and textile industries.

Differentiator

Problem solved

Functional benefit

Products and services

• Electronic Drum Level Indicator (EDLI) Fully approved gauge glass replacement using multi-probe conductivity technology to deliver accurate, real-time boiler drum level indication for high-pressure steam-generating plants. Configurable from 8 to 48 channels, with high-intensity LED display, alarm/trip outputs at pre-set thresholds, pressure-rated up to 207 bar at 370°C, and ISO 9001/AS9100/ASME Section I compliance.
• Electronic Level Switch (ELS) Electronic switch using resistivity discrimination between steam and water for sensing water/steam level in high pressure/temperature boiler applications. Available in ELS 300+ (up to 8 channels), ELS 400+, and ELS NANO (single channel) variants, pressure-rated up to 207 bar at 370°C, with optional remote display unit supporting up to 500m cable length.
• Direct Water Level Gauge (DWLG) Color port-type gauge providing direct visual reading of water level using refractive index differences between steam and water (Green for water, Red for steam). Features stainless steel gauge body, high-intensity LED or halogen illuminator, and safety components including ball check valve and orifice spacer; Gauge Type 300 rated up to 207 bar at 370°C.
• Acoustic Steam Leak Detector (ASLD) Advanced online monitoring system using acoustic technology to detect boiler tube leaks at the nascent stage before water alarms are triggered. Identifies leaks as small as a 5-mil pinhole in the 2-8 kHz range through hermetically sealed piezoelectric sensors (IP68 equivalent). Features 8-48 channel ASPM module, TCP/IP communication, FFT spectrum analysis, raw audio and 4-20 mA outputs for DCS integration, and companion mobile app for remote viewing.
• Acoustic Temperature System (ATS) Industrial instrument providing fully automatic measurement of high combustion-gas temperatures using the principle that sound speed in gas is proportional to temperature. Offers 2D spatial temperature mapping with up to 24 individual path temperatures, real-time isothermal maps, and DCS integration to enable fuel trimming control within heaters and boilers.
• Furnace Maintenance Platform (FMP) Motorized platform for quick, safe access to furnace areas. CE approved to EN1808 safety standard, featuring aluminum construction, manual descending capability, overheat protection, fall arresting capability, and anti-tilting protection. Reduces boiler downtime by up to 50 hours per emergency breakdown compared to traditional scaffolding; marketed in partnership with Sky-Climber in specific regions.
• Replacement Probes and Gauge Glass Spares Direct replacement probes, electrodes, water column components, gauge glass kits, port seals, and LED/halogen illuminators compatible with conductivity-type level instruments and port-type gauge glasses from major OEMs including Hydrastep, Solartron, Mobrey, Emerson, Yarway, Clarke Reliance, Diamond Power, Fossil, and BHEL. Provides retrofit-ready upgrade path for plants with existing electronic indicators without process modification.

Quantifiable outcome

• Over 80% of revenue from exports, proving global supplier status
• +5 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature6 records

Partnerships

Two partnerships are on record, tiered minor.

• Sky-ClimberminorGTM or Marketing PartnerMarketing partnership for Furnace Maintenance Platform products in specific regions. Sky-Climber supplies the motorized platform equipment that Levelstate markets as part of their industrial safety and maintenance solutions.
• SEIminorGTM or Marketing PartnerMarketing partnership for Acoustic Temperature System (ATS) products in specific regions. SEI collaborates with Levelstate for the distribution and marketing of acoustic temperature measurement equipment for industrial applications.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Spirax-Sarco Engineering: UK-based global leader in steam specialty and thermal energy management that owns the Hydrastep electronic drum level system. Directly competes with Levelstate in boiler water level monitoring and steam safety instrumentation for the same power, petrochemical and process-industry customers.
• Babcock & Wilcox (Diamond Power): Babcock & Wilcox's Diamond Power specialty subsidiary supplies boiler water level instrumentation, gauge glasses and sootblower controls to utility and industrial steam generators. Direct competitor in OEM replacement probes and electronic drum level systems targeted at the same high-pressure boiler segment.
• Clark Reliance: Long-standing US manufacturer of boiler water columns, gauge glasses, level indicators and sight flow indicators, including Jerguson and Magne-Sonic brands. Direct competitor in mechanical and electronic drum level indication for steam-generating plants, with comparable OEM replacement-parts strategy.
• Magnetrol (AMETEK): Specialist in level and flow instrumentation for process industries, with established products in boiler drum level, interface detection and steam applications. Competes head-to-head with Levelstate's EDLI/ELS/DWLG portfolio in power and chemical end markets.
• AMETEK (Solartron Mobrey): AMETEK's Solartron Mobrey division manufactures electronic water level probes, gauges and level switches that Levelstate explicitly positions its EDLI/ELS as direct replacements for. Highly comparable in conductivity-based drum level technology, target customers (boiler OEMs, utilities, refineries) and global distribution model.

Broad incumbents

• Emerson (Rosemount): Emerson's Rosemount and legacy Mobrey lines offer electronic level, pressure and temperature instrumentation widely deployed in boiler and steam applications. As a much larger automation conglomerate, it can bundle Levelstate-style products into broader DCS/PlantWeb deals, increasing competitive pressure on standalone suppliers.
• Endress+Hauser: Global instrumentation leader providing a broad portfolio of level, flow and analytical instruments for process industries including power and petrochemicals. While not specializing exclusively in drum level, it competes with Levelstate in electronic level measurement for steam boilers as part of a wider automation portfolio.
• Yokogawa Electric: Japanese industrial automation and control conglomerate with level, temperature and field instrument lines used in power and process plants. Competes indirectly with Levelstate via integrated boiler monitoring/DCS offerings and a strong installed base in Asian power generation.
• ABB Measurement & Analytics: ABB provides level, temperature and acoustic/emission monitoring instrumentation for power and process industries, including boiler optimization applications. Competes with Levelstate's ATS and ASLD acoustic offerings and broader instrumentation portfolio through its global automation footprint.

Regional players

• Forbes Marshall: India-headquartered specialist in steam engineering and boiler house solutions, including level controls and combustion equipment. Comparable to Levelstate in drum level instrumentation and global agent distribution, but with primary strength in the Indian subcontinent and surrounding markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/levelstate-systems-ltd
• Facebookfacebook.com/profile.php

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Levelstate Systems