The housings of the PRO/HD versions are aluminium hard coated (AHC™), which protects the housing against chemical and mechanical demages. (AHC™) is used in many technical ranges of application, where high standards in anti-corrosion, isolation, abraison-resistance and measurement stability are demanded.
The PRO and HD versions are VITON™ O-ring sealed. VITON™ O-rings are
acid- and alkaline proofed against hundereds of liquids and heat resistent up to
300°C. VITON™ O-rings are continual elastic between -40°C and + 200°C.
AHC™ is a registered trademark of
AHC-Oberflächentechnik Gmbh & Co. OHG.
VITON™ is a registered trademark of Du Pont S.A.