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Differential Pressure Switch TETROSWITCH DP

Differential Pressure Switch TETROSWITCH DP
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Differential Pressure Switch TETROSWITCH DP - 1

Data sheet Date Page DIFFERENTIAL PRESSURE SWITCHES TETROSWITCH DP The TETROSWITCH differential pressure switches series DP for low and high static pressure are suitable for use with chemical, petrochemical, machinery, food, pharmaceutical or onshore and offshore applications. Setting Ranges from 0-16 bar. TECHNICAL CHARACTERISTICS Case and cover : St. St. series 300, bayonet type ring Protection degree : IP65 (EN60529/IEC529), NEMA 4 Electrical wiring : internal terminal board Ground terminal : 1 internal and 1 external Internal parts material : Stainless Steel Blow out: neoprene, upper Sensing element: Diaphragm Element material: AISI316L – Monel – Hastelloy C276 Flanges and process connection material : AISI 316 Drain and venting tap : AISI316 Shaft : AISI316 with O-Ring gasket in VITON Connection dimension: ½”NPTM or BSP Cable entry : ½”NPTF , ½”GASF , M20x1,5 Mounting: direct on tap, wall or 2”pipe mounting (optional bracket) Ranges: see table B at page 2 Micro switch :1 SPDT or 2 independent SPDT with fixed differential or with adjustable dead band according to table A at page 2 Set point adjustment : internal micrometric screw Repeatability : better than 1% f.s. Ambient temperature limit: -30/+90°C Fluid temperature limit: -30/+150°C Thermal drift : ≤ 0,05%/°C Construction acc.to ATEX directive 94/9/EC for intrinsically Safe Circuits (on request) Construction according to PED directive 97/23/EC (on request) OPTIONS AND ACCESSORIES DESCRIPTION Hastelloy-C diaphragm Tantalum diaphragm Titan diaphragm MONEL 400 diaphragm AISI316+Teflon diaphragm Teflon coated connection Wall mounting bracket 2”pipe mounting bracket Degreasing for O2 service Version for Intr. Safe circuits Accessories (syphon, manifolds, chemical seals) HOW TO ORDER Please specify: model, micro switch, setting range, process connection, cable entry, options and accessories Example: TETROSWITCH DP, C, 0/1bar, G05, C01, _______________________________________________________________________________________________ PCI (Process System Solutions) Ltd, Unit 7 Slaidburn Crescent, Southport, Merseyside, PR9 9YF, UK, Tel: +44 (0) 1704 509090, Fax: +44 (0) 1704 509091, email: sales@pci-instruments.com, Website: www.pci-instruments.com (Specifications are subject to change without notice)

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Differential Pressure Switch TETROSWITCH DP - 2

Data sheet Date Page TABLE A : MICROSWITCHES TYPE OF CONTACT In air,Silver contacts splash proof silver contact In air, golden plated contacts Silver contacts, sealed in inert gas Gold plated contacts, sealed in inert gas In air, Silver contacts with adjustable dead band Dead band 1 micro (1) Dead band 2 micro (1) Setting range One side static pressure Pressure (bar) Both side static pressure for gold plated contacts, values are 3 times Dead band for adjustable dead band micro switch adjustment from 10 to 50% of range PROCESS CONNECTION CABLE ENTRY WEIGHT AND DIMENSIONS F = process...

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