Test
Made of high quality materials. Each manufacturing step is tested through an extensive quality management system, based on DIN ISO 9001/EN 29001.
Gas sampling tubes acc. to DIN 12473-1
Nitrogen tubes (Schlenk tubes) with conical ground joint and NS stopcock
Nitrogen tubes (Schlenk tubes) with conical ground joint and PTFE needle-valve stopcock
Polypropylene gas sampling bulbs have polypropylene stopcocks with free-turning Teflon™ PTFE plugs
Design recommended by Atmospheric Environment Service (AES)