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Environmental

Wind speed and directionWindSonic WindUltra WindObserver
Weather stationsMaxiMet MetConnect
RainfallTruMet
3D wind and turbulenceWindMaster Research range

Industrial

Liquid levelLevelLite LevelPro LevelSlick LevelDefend Catch tank
Oil conditionWearDetect WearDetect with Display
PositionBlade25 Blade60 Blade360 Dual Output
Gas engine controlsGS8 GS12 GT6 AF120
DisplaysWind display DD1615

All products A to Z ›

Wind speed and direction

2-axis ultrasonic anemometers. No moving parts.

Compare wind sensors ›

WindSonicChoose for high volume, OEM integration and lowest costWindSonic 60, 75, M, SDI-12

WindUltraChoose for small, light and mobile platforms: UAV and USVCompact 2-axis

WindObserverChoose for marine approvals, airports and hazardous areasWindObserver 65, 70, 75, 90, IS Not sure which?Wind sensor finderAnswer a few questions about your site and we suggest the right 2-axis model.Start the finder ›

Need 3D wind or turbulence?

Weather stations

Multi-parameter stations with ultrasonic wind.

Compare weather stations ›

MaxiMetChoose for one compact unit, including WBGT heat stress modelsGMX200 to GMX600

MetConnectChoose for separable sensors at different heights and WMO sitingMetConnect One, THP Not sure which?Weather station finderPick the parameters you need and we match the station.Start the finder ›

Adding rainfall?

Rainfall

Solid-state optical precipitation sensing.

TruMetNewChoose to replace tipping buckets: no moving parts to clogPW100 Not sure which?Pairing with a station?TruMet works alongside MaxiMet and MetConnect. Use the weather station finder.Find a station ›

3D wind and turbulence

3-axis ultrasonic anemometers for flux, turbulence and air flow.

Compare ranges ›

WindMasterChoose for general 3D measurement, site survey and ventilation controlWindMaster, Pro, RA, HS

Research rangeChoose for eddy covariance and high-rate atmospheric scienceR3-50, R3-100, HS-50, HS-100 Not sure which?3-axis anemometer finderTell us the output rate and application and we suggest the model.Start the finder ›

Displays

Live readouts for Gill wind and level sensors.

Wind displaysChoose for bridge and control room readoutsPairs with Gill wind sensors

DD1615 level displayChoose to put a level reading in front of an operatorPairs with Gill level sensors Not sure which?Product finderFind the sensor that pairs with your display.Start the finder ›

Liquid level

Capacitive level sensing with no moving parts.

LevelLiteChoose for weight-critical platforms such as UAVsLevelLite range

LevelProChoose for robust, general-purpose fuel and fluid levelLevelPro range

LevelSlickChoose for dirty, viscous or corrosive liquidsLevelSlick range

LevelDefendChoose for defence vehicles and military marineLevelDefend range

Catch tankChoose for endurance motorsport oil catch tanks1804-00-020

Position

Non-contact linear and rotary position sensors.

Blade25Choose for short travel, up to 25 mm or 90°PD1484

Blade60Choose for longer linear travel, up to 60 mmPD1508

Blade360Choose for full 360° rotary measurementPD1498

Blade Dual OutputChoose for a redundant second channelPD1356

Oil condition

Spot wear before it becomes failure.

WearDetectChoose to feed a PLC, SCADA or monitoring systemOil debris sensor

WearDetect with DisplayChoose to read debris levels at the machineOil debris sensor with display Not sure which?Industrial sensor finderTell us the machine and oil system and we suggest the setup.Start the finder ›

Gas engine controls

Ignition and air/fuel control for gas engines.

Ignition modulesGas engine ignition controlGS8, GS12, GT6

Air/fuel controllerAir/fuel ratio controlAF120 Not sure which?Industrial sensor finderTell us the engine and fuel and we suggest the control.Start the finder ›

Product finderA few questions, one modelCompare productsSpecs side by sideBrowse by categoryEvery range, A to ZSpec checkerFor tenders and bidsAccessories and sparesCables, mounts and partsSpeak to our team

Most searched

Marine and offshore
Renewable energy
Aviation and airports
Transport and infrastructure
Research and environment

More sectors

Agriculture
Cities and buildings
Defence and security
Government and emergency
Industrial and process
Mining, quarrying and cement
Motorsport and high performance
Off-highway and construction
Rail and rolling stock

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Marine and offshore

Applications and the sensors used in marine and offshore.

Go to Marine and offshore ›

Applications

Ship navigation
Dynamic positioning
Helidecks and hazardous areas
Met-ocean and coastal
USV and autonomous marine
Wind-assisted propulsion
Tank monitoring in marine craft
Powerboat stability control
All marine and offshore applications ›

Sensors used

Explore Marine and offshore ›

Renewable energy

Applications and the sensors used in renewable energy.

Go to Renewable energy ›

Applications

Wind turbine control
Site assessment and resource
Turbulence and wake
Solar site monitoring
Drivetrain and machinery condition
All renewable energy applications ›

Sensors used

Explore Renewable energy ›

Aviation and airports

Applications and the sensors used in aviation and airports.

Go to Aviation and airports ›

Applications

Airport wind measurement
AWOS and airport weather
Apron, stands and GSE
De-icing and winter operations
Fuel farms and hazardous areas
UAV launch sites
All aviation and airports applications ›

Sensors used

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Transport and infrastructure

Applications and the sensors used in transport and infrastructure.

Go to Transport and infrastructure ›

Applications

Bridge wind monitoring
Crane wind monitoring
Tunnel ventilation
Road and rail wind safety
Crane gearbox wear
All transport and infrastructure applications ›

Sensors used

Explore Transport and infrastructure ›

Research and environment

Applications and the sensors used in research and environment.

Go to Research and environment ›

Applications

Eddy covariance and flux towers
Air quality monitoring
Catchment and hydrometeorology
Field campaigns
Reference and long-term monitoring
Pollution control
All research and environment applications ›

Sensors used

Explore Research and environment ›

Agriculture

Applications and the sensors used in agriculture.

Go to Agriculture ›

Applications

Spray windows and drift
Irrigation and water
Glasshouses and polytunnels
Grain and crop storage
Livestock housing
Vehicle engine monitoring
All agriculture applications ›

Sensors used

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Cities and buildings

Applications and the sensors used in cities and buildings.

Go to Cities and buildings ›

Applications

Pedestrian wind comfort
Ventilation and BMS
Facade access and cradles
Urban construction sites
Drainage and SUDS
District energy and plant
All cities and buildings applications ›

Sensors used

Explore Cities and buildings ›

Defence and security

Applications and the sensors used in defence and security.

Go to Defence and security ›

Applications

Ballistic meteorology and test sites
Deployable and expeditionary sites
Fuel, logistics and infrastructure
Military vehicle systems
Steering and brake wear
All defence and security applications ›

Sensors used

Explore Defence and security ›

Government and emergency

Applications and the sensors used in government and emergency.

Go to Government and emergency ›

Applications

Flood warning and water level
Incident command and deployable met
First response and hazmat
Air ambulance landing sites
Events and crowd safety
Public estate and resilience
All government and emergency applications ›

Sensors used

Explore Government and emergency ›

Industrial and process

Applications and the sensors used in industrial and process.

Go to Industrial and process ›

Applications

Process fluid level
Bearing wear monitoring
Conveyor drive condition
Gas engines and CHP
Chemical plants
Oil refineries
Wastewater level
Utility sites
All industrial and process applications ›

Sensors used

Explore Industrial and process ›

Mining, quarrying and cement

Applications and the sensors used in mining, quarrying and cement.

Go to Mining, quarrying and cement ›

Applications

Level sensing in cement and mining
All mining, quarrying and cement applications ›

Sensors used

Explore Mining, quarrying and cement ›

Motorsport and high performance

Applications and the sensors used in motorsport and high performance.

Go to Motorsport and high performance ›

Applications

Aero, brake and suspension control
All motorsport and high performance applications ›

Sensors used

Explore Motorsport and high performance ›

Off-highway and construction

Applications and the sensors used in off-highway and construction.

Go to Off-highway and construction ›

Applications

Brake system monitoring
Engine monitoring
Fork lift and platform position
All off-highway and construction applications ›

Sensors used

Explore Off-highway and construction ›

Rail and rolling stock

Applications and the sensors used in rail and rolling stock.

Go to Rail and rolling stock ›

Applications

Level sensing for service continuity
All rail and rolling stock applications ›

Sensors used

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See it workingCase studies and application notes from each sector

What do you need?

Calibrate an instrumentWind Gas flow Liquid flow Temperature Humidity Pressure Stations
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UKAS-accredited calibration across six parameters, any manufacturer.

Air velocityVanes, hot wires and Pitot tubes Gas and air flowFlow meters and controllers Liquid flowWater, 0.5 mL/min to 500 L/min TemperatureAir and surface HumidityRelative humidity PressureBarometric Multi-parameter stationsWhole-station service

Service or repair

Keep instruments in service.

Factory serviceInspection, clean, re-test RepairDiagnosis and quote first Service contractsFleets and networks Firmware and upgradesIn-service updates

Book a calibrationUKAS-accredited lab. 8 working days on average, 3-day fast track by arrangement

What are you after?

Solve a measurement problemBy problem, not product
Read and downloadGuides Application notes Case studies Brochures
Understand the basicsUltrasonic wind explained Capacitive level explained

Knowledge hubVisit the Knowledge hub20 problems, 24 answers, guides→

Solve a measurement problem

Common problems and how to solve them.

Wind on a moving platformVessels, buoys, vehicles, UAV
Wind in freezing conditionsHeated sensors, de-icing
Rainfall without moving partsTipping bucket replacement
Turbulence and flux20, 50 and 100 Hz
Heat stress complianceWBGT and TWL
Level without moving partsCapacitive, sealed
Feeding a SCADA systemModbus, analogue, SDI-12
NMEA on a vessel networkBridge and navigation
Low power and remote sitesSolar, battery, telemetry
OEM and volume supplyDesign-in and lifecycle
Traceable measurementUKAS-calibrated

Read and download

Long-form material to take away.

GuidesIn-depth measurement guides Application notesNotes from real installations Case studiesWhere the sensors are already working BrochuresRange brochures as PDF

Understand the basics

How the measurement works.

Measurement explainedHow ultrasonic, optical and capacitive sensing works GlossaryEvery term we use, defined

Ask our expertsReal answers from people who know the instruments

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What do you need?

Something is not working
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Support centreVisit the Support centreFaults, returns, documents and local help→

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Every document, never behind a form.

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DatasheetsSpecifications and ordering options Manuals and guidesInstallation, wiring and configuration Declarations of conformityEU and UK Software and configuratorsConfiguration and logging tools Legacy and discontinuedDocuments for older products Tender and specification packDocuments a bid or spec review needs

Something is not working

Get an instrument back in service.

Report a faultTell us what is happening Request an RMAReturn for repair Warranty and repairWhat is covered and for how long FAQsThe questions we get most Spares and accessoriesFind a replacement part by number

Local and ongoing support

Support near you and keeping instruments current.

Find a distributorLocal support in 150+ countries Calibration and servicingUKAS-accredited, 3-day fast track available

Need technical help?Faults, firmware, wiring and outputs. Tell us what is happening and our team will reply.

Get technical advice

Engineering and innovationPushing the boundaries of measurementSee how Gill R&D takes a requirement from first question to finished product.Visit Engineering and innovation →

Explore the page

How we workFrom feasibility to manufacture
The scienceUltrasonic, capacitive, inductive, optical
DisciplinesElectronics, firmware, mechanical
Bespoke and OEMWhen a catalogue model is nearly right
Test and manufactureWind tunnel, environmental chambers
Bespoke projectsF1, mining, offshore and more

Related

Quality and approvalsISO 9001, 14001, 45001
Case studiesGill sensors in the field
Who we areIndependent, engineer-led, since 1985

Have a bespoke requirement?Tell us what you need to measure, where and under what conditions.

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About GillIndependent and engineer-led since 1985Who we are, how we work and the four capabilities behind One Gill.Visit About Gill →

The company

Our historyEngineering firsts since 1985
The Gill GroupFour capabilities. One Gill.
CareersWorking at Gill in Lymington

Proof and people

AccreditationsISO, ATEX, IECEx, UKAS and product approvals
King's Award for Enterprise 2025Recognised for International Trade
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Home / Resources / Brochures and ebooks

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Resources

Brochures and ebooks

Product ranges, application solutions and in-depth technical reading from Gill.

Make an enquiry Browse the brochures

Explore the Gill range

Browse our product catalogues, range brochures, application guides and technical ebooks, covering Gill’s sensing technologies and the industries we serve.

Each resource provides a focused view of the products, applications or technical challenges it covers, with the detail you need to assess where Gill could fit your requirements.

3 Axis Range brochureIssue 5

Catalogue 2026 brochureIssue 7

Gill Solar Monitoring Solutions brochureIssue 1

LevelLite brochureIssue 3

LevelPro brochureIssue 1

LevelSlick brochureIssue 2

MaxiMet 2024 brochureIssue 3

Mining Sensor Solutions brochureIssue 1

Rail Sensor Solutions 2025 brochureIssue 1

WearDetect Article Low Speed Drives articleIssue 3

WearDetect brochureIssue 3

WearDetect Industrial Marketplace ebookIssue 2

SearchSearch brochures and ebooks12 documents

Product

3 Axis Range brochure, issue 5
Issue 52017-07-04PDF, 4650 KB Short form
Get it
Catalogue 2026 brochure, issue 8
Issue 82026-09-14PDF, 17260 KB Short form
Get it
Gill Solar Monitoring Solutions brochure, issue 1
Issue 12025-09-08PDF, 1542 KB Short form
Get it
LevelLite brochure, issue 3
Issue 32024-08-09PDF, 515 KB Short form
Get it
LevelPro brochure, issue 1
Issue 12021-10-27PDF, 5250 KB Short form
Get it
LevelSlick brochure, issue 2
Issue 22022-10-26PDF, 649 KB Short form
Get it
MaxiMet 2024 brochure, issue 3
Issue 32024-09-13PDF, 29628 KB Short form
Get it
Mining Sensor Solutions brochure, issue 1
Issue 12025-07-31PDF, 1723 KB Short form
Get it
Rail Sensor Solutions 2025 brochure, issue 1
Issue 12025-05-09PDF, 1743 KB Short form
Get it
WearDetect Article Low Speed Drives article, issue 3
Issue 32022-09-28PDF, 332 KB Short form
Get it
WearDetect Industrial Marketplace ebook, issue 2
Issue 22021-03-02PDF, 2709 KB Short form
Get it
WearDetect brochure, issue 3
Issue 32022-09-27PDF, 723 KB Short form
Get it

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Last updated 2026-08-28. 12 documents in this section.

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The King’s Award for Enterprise: International Trade 2025

Awarded to Gill Instruments

UKAS calibration | Labcal 0625

Precision sensing and measurement, engineered in the UK and trusted in more than 150 countries.

Products

Weather stations

Heat stress monitoring

Position sensors

Condition monitoring

Gas engine controls

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Marine and offshore

Renewable energy

Aviation and airports

Research and environment

Defence and security

Off-highway and construction

Rail and rolling stock

Mining, quarrying and cement

Industrial process

Transport and infrastructure

Cities and buildings

Government and emergency

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Engineering and innovation

News and events

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