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Get it working.
Keep it working.

Technical information, documentation, software, firmware and practical support for Gill instruments, from first installation through years of service.

Find your documents

Search by model or part number

Find the datasheets, manuals, software and declarations for your instrument using its model name or part number.

You’ll usually find these on the instrument label or in your original documentation.

No model to hand?

Fastest route by situation

Pick the one closest to what you’re seeing

Setting up for the first time?

Start with the manual, then check the wiring and output information.

Read the integration guide

It worked and now it doesn’t?

Check the firmware version and configuration before assuming there is a hardware fault. If that doesn’t settle it, tell us what changed.

Report a fault

Your system won’t read the output?

Start with the output format and wiring information, then check the receiving system.

Read the outputs guide

The instrument is damaged or measuring unexpectedly?

Calibration, service or repair may be the appropriate route. They are different things, and we can help determine which you need.

Arrange calibration or repair

Technical resources

The information you need to get it right

From specification and installation to configuration and ongoing use, find the technical documentation and software you need, ready to access whenever you need it. No registration. No contact form. Just the information you’re looking for.

Documentation

Downloads

Find datasheets, manuals, drawings and technical documentation for current and legacy Gill instruments.

Go to downloads

Integration

Integration documentation

Access quick-start guides, technical notes and application notes for integrating Gill instruments into your system.

Read the documentation guide

Firmware

Firmware

Find current firmware and available historical versions, alongside release information where provided.

Get technical advice

Software

Software and tools

Access configuration, setup and logging tools for supported Gill instruments and their applications.

Explore software and tools

Wiring

Wiring and connectors

Find pinouts, cable specifications and connection details to support correct installation and system integration.

Read the documentation guide

Outputs

Output formats

Explore electrical outputs and communication protocols, including analogue, serial, SDI-12, Modbus and NMEA where supported.

Read the documentation guide

Compliance

Declarations of conformity

Download declarations of conformity for current Gill instruments directly, without registration or a contact form.

View declarations

Answers

FAQs

Get practical answers to common questions about installing, configuring, operating and troubleshooting your Gill instrument.

Read the FAQs

When you need more than a document

Sometimes the manual isn’t where the answer ends

Gill’s technical support team can help with questions around installation, configuration, operation, communications and application-specific use.

If the issue points towards calibration, service, repair or replacement, we’ll help direct you to the appropriate route rather than sending you around the website.

Service and support

Keep the instrument working throughout its service life

Technical support is only one part of looking after an instrument.

Calibration

Check the measurement

When measurement performance needs to be verified, Labcal provides UKAS-accredited calibration across six measurement parameters.

Explore calibration

Service and repair

Diagnose the instrument

If an instrument needs attention, service or repair can establish what is happening and what the practical options are.

Explore service and repair

Spares and accessories

Replace what you need to replace

Cables, brackets, mounts and other accessories can sometimes be all that is required to keep an installation operational.

See accessory datasheets

Warranty

Understand your cover

Find the applicable warranty information and what to do if you believe an instrument has developed a fault covered by warranty.

Explore warranty

Training

Give your team the knowledge too

Where several people need to install, configure or maintain Gill equipment, training can help create a consistent approach across the team.

Get in touch

Worldwide

Get local support

Gill instruments are in service in more than 150 countries. Send one enquiry and we arrange local supply and support, wherever you are.

Contact Gill worldwide

No gates, no guessing

Technical information, on your terms

Datasheets, manuals and technical documentation should be available when you need them, not held behind a form.

That’s why Gill makes its technical resources freely accessible, with no registration required. And when you need help from our technical team, we’ll ask for the details that help us get to the heart of the issue, starting with the model and serial number where available.

The aim is simple: get you to the right information, or the right person, without unnecessary hoops.

Support that starts with the instrument

When the manual stops short, the engineering doesn’t

Gill’s support capability sits alongside the people who design, manufacture and develop its sensing technologies.

That matters when the question goes beyond a wiring diagram.

A support query might involve the instrument itself, its configuration, the data it is producing, the system receiving that data or the conditions in which it is operating.

Where the answer requires deeper technical investigation, the wider Gill engineering capability is there to support it.

Technical knowledge

The answers you need.
The understanding that stays with you.

Sometimes you need more than a datasheet. Explore practical guidance and technical insight to help you understand the measurement, choose the right approach and get more from your Gill instrument.

Applications

Explore how Gill technology can be applied in demanding environments, with guidance on practical considerations and real-world requirements.

Explore application guides

Measurement

Understand how Gill sensing technology works, how measurements are made and which factors can affect the results.

Explore technical articles

Integration

Learn about outputs, communications and configuration, and what to consider when connecting Gill instruments to wider systems.

Explore integration guidance

Products

Explore product specifications and technical documentation to understand instrument capabilities, requirements and configuration options.

Explore products

Support questions

Frequently asked questions

Where can I find Gill product manuals and datasheets?

Gill product manuals, datasheets and other technical documentation are available through the downloads section of the website. Documentation is available for current products and, where retained, legacy instruments.

How do I identify my Gill instrument?

The model and serial number are normally shown on the instrument label and may also appear in the original documentation. If the label is difficult to read, a photograph of the instrument can help the support team identify it.

Do you still support older Gill instruments?

Gill retains technical documentation for legacy instruments where available. Support, repair and replacement options depend on the specific model, its condition, availability of parts and the nature of the issue.

Why is my system not receiving the sensor output?

Start by checking the instrument’s configured output, wiring and pinout. Then confirm that the receiving system is configured for the same electrical interface and communications format. The exact troubleshooting steps depend on the Gill product and the system receiving its data.

How do I check which firmware version my instrument has?

The method depends on the Gill instrument. Product-specific manuals and software tools provide the relevant procedure where firmware information is available.

What should I do if my Gill sensor is giving an unexpected reading?

First check the installation, configuration, wiring, environmental conditions and available documentation for the instrument. If the reading remains unexpected, contact technical support with the model, serial number and details of what you are seeing. Calibration may also be appropriate if you need to establish the instrument’s measurement performance against a reference.

What is the difference between calibration and repair?

Calibration establishes and documents measurement performance against a reference. Repair addresses a fault or damaged component. An instrument may require repair or service before it can be calibrated reliably.

How do I contact Gill technical support?

Use the contact support route and provide the instrument model, serial number and a description of what you are trying to do or what has changed. Including photographs, configuration information or relevant error details can also help where appropriate.

Can I get support outside the UK?

Yes. We work directly as well as with distributors and partners internationally, providing regional support alongside our UK-based technical capability. The most appropriate route depends on your location and application.

Have an application to discuss?

Speak to our team

Tell us what you need to measure, where and under what conditions. We’ll help you work out the appropriate approach.