Pressure Gauges

產品介紹： For gaseous and liquid, also aggressive media for demanding high purity applications, also in aggressive ambience. For all UHP (Ultra High Purity) applications. Semiconductor and flat panel industry. Gas distribution systems, medical gases. Hook-up application. Bourdon Tube Pressure Gauge, UHP Model 230.15.2", process connection VCR® compatible fitting withunion nut 產品特色： VCR® compatible face seal fittings Helium leak tested Electropolished case Process connection surface finish Ra ≤ 0.25 μm 規格說明： Nominal size:1 ½", 2" Accuracy class NS 1 ½": Grade B to ASME B40.1 NS 2": Grade A to ASME B40.1 Scale ranges 0 ... 1 to 0 ... 400 bar (0 ... 15 to 0 ... 6000 psi) or all other equivalent vacuum or combined pressure and vacuum ranges Pressure limitation Steady: 3/4 x full scale value Fluctuating: 2/3 x full scale value Short time: full scale value Operating temperature Ambient: -40 ... +60 °C Medium: +100 °C maximum Temperature effect When the temperature of the measuring system deviates from the reference temperature (+20 ˚C):max ± 0.4 %/10 K of full scale value Ingress protection:IP 54 per EN 60 529 / lEC 529 Standard version Process connection Stainless steel 316L, lower mount (LM) or centre back mount (CBM) VCR® compatible face seal fitting: with union nut (female) with male nut or with male thread 9/16-18 UNF fixed Male thread ¼ NPT Pressure element Stainless steel 316L, < 100 bar: C-type ≥ 100 bar: helical type Measuring system in crevice free design, jet-finished and passivated after welding Ra < 0.5 μm (Ra < 20 μinch) Leak tightness: leak rate ≤ 10-9 mbar · l / s Method of test: helium mass spectrometry Movement:Stainless steel Dial:Aluminium, white, black lettering, with pointer stop pin Pointer:Aluminium, black Case:Stainless steel, electropolished Window Polycarbonate, NS 1 ½": snap-in NS 2": screw-fitted on case (twist-lock) Cleaning:Special cleaning per SEMI standard Options Other process connection Smaller process connection surface finish Ra ≤ 0.3 μm Dual scale Scale ranges up to 700 bar with process connection ¼ NPT Ordering infomation Model / Nominal size / Scale range / Connection size / Connection location / Options瓦斯桶槽