HUNTER H2 – 211050

Variant:

Gas detection device for easily locating even the smallest leaks in water and heating systems – special, highly sensitive hydrogen sensor with a resolution of 0,1 ppm H2 – extremely fast reaction to the smallest traces of hydrogen – second sensor for pinpoint localisation in probe holes – integrated pump with high power for flow and for negative pressure Operation time: > 10 hours without lighting Measuring ranges: 0 to 1000 ppm H2 0 to 5 Vol.% H2 in N2 dimensions: 200 x 100 x 87 mm weight: approx. 1100 g temperature range: -10°C to +50°C

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Description

The correlation and electro-acoustic methods are often used to detect and locate leakages. But for some reasons certain leakages are not detectable with these methods. For the locating of e.g. very small leakages the application of tracergas is an alternative succesful method. For this method a certain tracergas is infilled under pressure into the pipe. If there is still water inside the pipe should be drained or blowed out.

How to use in practice
The leaky pipe is filled with inert gas (5 Vol.% hydrogen and 95 Vol.% nitrogen). This gas is commercially available and, in addition to the low price, has the advantage that it is neither combustible nor poisonous. Its use is thus completely safe. As the smallest element, hydrogen has the property of leaking from even the smallest pinhole. Because hydrogen is significantly lighter than air, it migrates upwards and is located above the leak by the bell probe. At the same time, hydrogen also passes through soil, flooring, concrete and screed.

As the smallest element, hydrogen has the property of leaking from even the smallest pinhole. Because hydrogen is significantly lighter than air, it migrates upwards and is located above the leak by the bell probe. At the same time, hydrogen also passes through soil, flooring, concrete and screed.

The location of the strongest concentration of hydrogen is easily determined using a concentration indicator on the display of the measurement device. Depending on the actual concetration and situation it is possible to use different scales and sensors. One scale is for very low concentrations (0 … 1.000 ppm H₂) and one is for pinpointing (0 … 5% H₂). With this important feature it is possible to avoid a temporary contamination of the high sensitive sensor. User of devices with only one (sensitive) sensor need to wait in this case for minutes until getting a useful signal again or can even damage the sensor.

HUNTER H2 gas leak detection with carpet probe

Features

First sensor: Extremely quick response on smallest hydrogen concentrations. Specialised for hydrogen with a resolution of 0,1 ppm H₂
Second sensor: to protect the first sensor and used for higher concentrations e.g. pinpointing in pinholes
Integrated powerful pump for a high flow and underpressure

Technical data

Display	LCD graphic display 128 x 64 pixels, illuminable
Power supply	NiMH rechargeable battery pack
Operating temperature	-10 °C to +50 °C
Operating time	> 10 hours
High sensitive range	measurement range: 0 … 1.000 ppm H₂, resolution: 0,1 ppm Response time: T90 < 5 seconds for H₂ (hydrogen) measurement range: 0 … 5 Vol.% H2 in N₂, resolution: 0,01 % Response time: T90 < 5 seconds for H₂ (hydrogen)
Pumpe	> 40 l/h, > 300 mbar
Protection	IP54
Dimensions	200 x 100 x 87 mm
Weight	approx. 1.100 g (incl. Accu)

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Brochure HUNTER H2

Equipment

Charging systems

Carrying equipment

Probes

Test equipment

Accessories

Operating instructions

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