Dew Point Meters Overview
Since 1998, DFT Instruments has been the UK and Ireland’s go-to partner for cutting-edge dew point meters and environmental monitoring tools from DeFelsko. Our mission is straightforward: blend world-class instruments with fast UK calibration, service, and expert support. Whether for surface-prep in marine environments or climate monitoring in manufacturing plants, our dew point meters ensure your work stays on spec—even when conditions aren’t.
Understanding dew point isn’t just for meteorologists—it’s critical for protecting coatings and preventing hidden failures. Surfaces too close to the dew point risk condensation that jeopardises adhesion and long-term protection. That’s where our UK-based guidance and trusted meters make all the difference—bridging accurate measurements with local insight and support.
As a DeFelsko Authorised Service Centre (DASC), DFT offers factory-standard calibration and repairs in the UK, complete with traceable certificates and a one-day turnaround. Choose DFT for dew point solutions that keep your environmental control precise, protected, and supported.
Why Measuring Matters
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Avoid Coating Failures – Condensation disrupts adhesion, risking blistering, flaking, or rust beneath the surface.
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Ensure Compliance – Many coating standards, including ISO 8502-4 and ASTM D3276, require measurements of air, surface, dew point, and delta temperature.
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Protect Against Invisible Condensation – Dew point can change rapidly; even a seemingly dry surface can accumulate moisture unseen.
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Safeguard Floor and Tank Coatings – Especially for specialised coatings like epoxies and urethanes, measuring dew point is vital to prevent defects like bubbling or blistering.
Why DFT Instruments?
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Official UK Distributor & Service Hub – Authorized to calibrate, repair, and advise on DeFelsko instruments with factory-level precision.
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Fast, UK-Based Turnaround – Minimise downtime with most instruments serviced and back to you within one working day.
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Certified Calibrations Included – Every instrument arrives with a calibration certificate that’s traceable to UKAS/NIST standards—no added cost.
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Deep UK Industry Experience – Serving sectors from industrial coatings to heritage restoration, DFT brings UK-specific insight to every project.
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On-Demand Technical Support – Speak directly with seasoned UK technicians who provide practical, job-ready advice—not scripts.
Our Services
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Recalibration & Certification – Ensure thermometric, humidity, and dew point readings remain accurate and traceable.
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Diagnostics & Repair – Expert troubleshooting, genuine parts, and factory-approved servicing to keep meters reliable.
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Preventative Maintenance – Scheduled check-ups to extend the lifespan and reliability of your equipment.
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Training & Field Advice – From probe usage to optimal measurement practices, we prepare your team for real-world applications.
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Firmware Updates & Remote Support – Stay current and in control with updates and cloud-based data support.
Our Dew Point Gauges
Dew Point Meter Options
| Model Type | Key Feature | Use Case |
|---|---|---|
| Magnetic Dew Point Loggers | Long-term logging (200–600 days), Bluetooth/Wi-Fi | Ideal for remote or unattended conditions |
| Portable Dew Point Meters | Real-time readings of air, surface & dew temperatures | Perfect for on-site checks and immediate staging |
| Integrated Probe Meters | Combined sensors for RH, air/surface temp, and dew | Great for comprehensive environmental checks |
📞 Need help choosing? Reach out to our UK team. 01442 879494 or Complete the form.