Specification of Gastec Gas Detection System Detector Tubes/gastec gas detection Tubes

Tube No.: 4LL
Gas to be measured: Hydrogen sulphide(SO₂)
Measuring Range:0.25-120ppm

Shelf life: 3 years (after production)
We have more than 600 types of tube, for other tubes and specification details, please contact us.
Features of Gastec Short-term quick-measuring detector tubes
(1)On-site measurements can be performed easily by anybody, anytime and anywhere, in a short time
(2)Easy-to-check direct reading possible due to calibrated scale directly printed on the tube
(3)An extensive measuring range can be obtained by adjusting the sampling volume
(4)In order to assure high precision, each production lot is tested and calibrated independently, Each detector tube has its own quality control number printed on the tube
(5)Long shelf-life with excellent long-term stability   
Product description of Gastec Short-term quick-measuring detector tubes
As a leading global brand in gas detection and measuring, GASTEC products are highly regarded in many industries and customers all over the world.
GASTEC gas detector tubes are thin glass tubes with calibration scales printed on them so you can directly read concentrations of the substances (gases and vapours) to be measured. Each tube contains a particulate matrix (e.g. silica gel, alumina) which binds carefully selected and highly stable detection reagents that are especially sensitive to the target substance in order to produce a distinct layer of colour change. The tubes are hermetically sealed at both ends.
Our Competitive Advantage
1.With 20 years exporting experience 
2. Certificate: ISO, SGS, SEI
3. Price at least  5% Lower Than other competitors in China
4. Shipment: 10% Faster than other suppliers, For some ordinary Items, we have in  stock and can send within 3 working days
5. Technology Support: According to customer's exact requirements, supply valuable solutions
6. Service: your inquiry can be replied within 24 hours during working days

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