Please take a look at Fukuda's gas leak test (hydrogen leak and helium leak)!

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● What is a hydrogen leak detector? It can measure leaks in small areas that could not be detected in air leak tests and can also identify the leak locations. It is a detector that uses a mixture of 5% hydrogen and 95% nitrogen (non-flammable gas: ISO10156:2017) as the tracer gas. ● What is a helium leak test system? It is a leak test system suitable for high-precision or high-pressure leak inspections. The helium leak test system uses helium gas as the detection gas (tracer gas) and detects the helium that has leaked out. It is the leak test method among Fukuda's leak testers that can detect the smallest leaks.

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Related product information

Portable Hydrogen Leak Detector | HDA-0100 series
Handheld hydrogen leak detector / gas leak capable of high sensitivity and wide range measurements (0.5 ppm to 5000 ppm).

【Specifications】 ■Detection Method: Sniffer Method ■Detection Sensitivity: Minimum detectable leak rate 1×10⁻⁶ Pa·m³/s (lower limit for time rate measurement) ■Measurement Range: 0.5 to 5000 ppm (display range is from 0.1 ppm) ■Display Units: ppm, Pa·m³/s, mL/s, mL/min, g/year, etc. ■Power Supply: Rechargeable battery type 26650 (approximately 8 hours of continuous use at 100% charge) ■Dimensions ・Main Unit: 151 × 156 × 48.5 mm ・Probe Length: Available in two types, 200 or 400 mm ■Weight: Approximately 400 g (including battery) *For more details, please feel free to contact us.
Device-mounted hydrogen leak detector | HDZ-0201
A high-sensitivity leak testing machine that uses hydrogen gas. It features improved convenience and operability, and is a compact detector equipped only with the necessary functions.

Detection Principle: Semiconductor type Detection Sensitivity: Equivalent to 1×10⁻⁶ Pa･m³/s (depending on inspection conditions and measurement environment) Usage: Built-in type (dedicated for device installation) Resolution: 0.1 ppm Power Supply Voltage: DC 24 V External Dimensions: W 93 × D 91 × H 97 mm *For more details, please feel free to contact us.
Helium Leak Test System | HES-2000 series
"Helium Leak Test System" optimal for high-precision and high-pressure measurements, featuring two measurement methods: vacuum chamber method and atmospheric pressure chamber method / gas leak.

【Measurement Method】 <Vacuum Chamber Method> ■ Vacuum extraction inside the workpiece and chamber (confirmation of major leaks in the workpiece) ■ Background check inside the chamber ■ Pressurization with helium gas inside the workpiece ■ Detection (in a vacuum state) <Atmospheric Pressure Chamber Method> ■ Vacuum extraction inside the workpiece (confirmation of major leaks in the workpiece) ■ Pressurization with helium gas inside the workpiece ■ Accumulation of helium gas inside the chamber ■ Detection (suction inside the chamber) *For more details, please refer to the PDF document or feel free to contact us.