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DSP-FCI | Portable Dewpoint Hygrometer
A fully self-contained, portable hygrometer designed to deliver precise trace moisture measurements of gases and dry compressed air for both industrial and laboratory applications.
With an accuracy of ±2 °C dewpoint and an overall range offered between -110 °C to +20 °C dewpoint, the Model DSP-FCI ensures reliable performance. The advanced dewSMART transmitter, utilizing ultra-high capacitance aluminum oxide sensing technology, guarantees unsurpassed repeatability and measurement precision — and is fully interchangeable without returning to Alpha Moisture Systems for calibration and setup. The hygrometer’s unique desiccant dry-down technology provides rapid response times, making it ready for spot-check readings with minimal air or gas usage. An integral sample flow control valve conditions high-pressure samples before introduction to the desiccant head assembly, and a built-in flow indicator with sample-specific gradation provides flow control.
Designed for ease of use, the DSP-FCI features a user-friendly interface and requires little to no maintenance. The digital screen offers versatile display options, allowing users to select from various moisture units, including °C, °F, ppb(v), ppm(v), ppm(w), g/m³, and lb/MMSCF. Additionally, the device includes a user-programmable parts per million (weight) function for specific gases, with pre-programmed settings for common gases like Air, Ar, H₂, SF₆, CO₂, and N₂.
Powered by six “C” type batteries, the DSP-FCI performs self-diagnostics on startup and includes an automatic switch-off function to conserve battery life, providing over 250 hours of continuous operation. The standard package comes ready to use with batteries installed, two meters of stainless-steel PTFE sampling hose, stainless-steel quick-connect fittings, a calibration certificate, an instruction manual, and an anti-static carrying case, ensuring you have everything required for immediate use.
- Highly customised solutions
- Trusted by industry leaders
- Distributors worldwide
- Over 30 years experience
Accurate and reliable dewpoint measurement
Key features
- Unsurpassed sensitivity, speed of response, repeatability, stability and long service life
- Dewpoint ranges offered between -110 °C to 20 °C, with accuracy of ±2 °C dewpoint
- Integrated sample flow control valve preconditions high-pressure samples before introduction to the desiccant head assembly
- Flow control provided by the built-in flow indicator with sample-specific gradation
- Digital display shows engineering units in your selected measurement unit
- Choose from various measurement units in °C or °F dewpoint and absolute values in ppb(v), ppm(v) ppm(w) g/m3 and lb/MMSCF
- Six “C” type batteries offer more than 250 hours of use in continuous operation
- Intuitive menu structure making it easy to use, view and set user preferences
- Strong, durable and rugged construction
Technical Data
Information coming soon.
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What's in the box
Applications
Frequently Asked QuestionsIf you have a question that’s not answered below, please contact us
No, we recommend using the DSP-Ex or SADPmini2-Ex portable hygrometers, which are certified intrinsically safe for use in hazardous areas. For full certification details, please refer to DSP-Ex and/or SADPmini2-Ex datasheets, available on their respective product pages.