SENTRY ST314A Hydrogen H2 Gas Leak Detector with LCD Display
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Prices updated: 13 Oct 2026
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About this product
The SENTRY ST314A is a hydrogen (H2) leak detector that uses an extremely sensitive semiconductor sensor to find leaks in sealed devices. The listing states it can detect leakage down to 1 PPM and has adjustable sensitivity to help locate the smallest leak point. It provides an LCD display, an LED tip light, and visual and audible feedback.
Specifications
- Target gas
- Hydrogen (H2) / الهيدروجين (H2)
- Gases listed for detection
- 5% H2 + 95% N2, H2, CO, CH4 (methane), ethanol (natural gas) / خليط 5% هيدروجين و95% نيتروجين، H2، CO، CH4 (الميثان)، الإيثانول (الغاز الطبيعي)
- Minimum leak detection
- 1 PPM / 1 جزء في المليون
- Sensitivity
- Adjustable / قابلة للضبط
- Display
- LCD / شاشة LCD
- Feedback
- Visual and audible / مرئي وصوتي
- Tip light
- LED / LED
Frequently asked questions
What is this detector used for?
It is used to find hydrogen leaks in sealed devices, and the listing describes it for professional leak detection with visual and audible signals.
Can it detect gases other than hydrogen?
The listing says it also detects CO, methane (CH4), ethanol (natural gas) and a 5% H2 / 95% N2 mixture. Check the full datasheet for cross-sensitivity and calibration details before relying on it for a specific gas.
