Diaphragm Type Explosion Proof Pressure Switch EPSILON MS1

Product catalog summary

Overview: The EPSILON MS1 is an explosion-proof diaphragm type pressure switch suitable for various industrial applications including chemical, petrochemical, machinery, food, pharmaceutical, and both onshore and offshore environments. It is certified for use in hazardous zones 0/1 and complies with ATEX and PED directives.

Specifications:

Setting Ranges: 0-160 bar
Protection: IP65, NEMA 4
Material: Aluminium case, stainless steel internal parts, AISI 316 process connection
Temperature Limits: Ambient 0/+60°C, Fluid -30/+150°C
Repeatability: Better than 1% full scale
Thermal Drift: ≤ 0.05%/°C

Technical Characteristics:

Micro Switch Options: 1 SPDT or 2 independent SPDT with fixed differential or adjustable dead band
Mounting: Direct on tap, wall, or 2” pipe mounting
Electrical Wiring: Internal terminal board with ground terminals

Options and Accessories:

Various diaphragm materials including Hastelloy-C, Tantalum, Titan, MONEL 400, and AISI316+Teflon
Overpressure protection up to 80 bar
Wall and pipe mounting brackets
Degreasing for O2 service and high-temperature versions

Ordering Information: Specify code, setting range, options, and accessories. Example: EPSILON MS1, 0/4bar, C, C01, G05.

Tables:

Table A: Details microswitch types and their electrical ratings.
Table B: Lists setting ranges and corresponding static pressures and dead bands.

Weight and Dimensions: The unit weighs 3 kg.

Catalog excerpts

Diaphragm Type Explosion Proof Pressure Switch EPSILON MS1-1

Data sheet Date Page DIAPHRAGM TYPE EXPLOSION PROOF PRESSURE SWITCHES EPSILON MS1 The EPSILON explosion proof pressure switch series MS1 are suitable for use with chemical, petrochemical, machinery, food, pharmaceutical or onshore and offshore applications. These instruments are certified for zone 0/1. Setting Ranges from 0-160 bar. ATEX gr.II cat.1/2GD EExd IIC T6 ATEX approvals available under our PCI TEMA brand. TECHNICAL CHARACTERISTICS Case and cover : Aluminium painted, with screwed cover Protection degree : IP65 (EN60529/IEC529), NEMA 4 Electrical wiring : internal terminal board Ground terminal : 1 internal and 1 external Internal parts material : Stainless Steel Sensing element: Diaphragm diameter 98mm(diam. 110mm for range 0±0,6bar) Element material : AISI 316+ Viton O-Ring up to range 0±2,5bar Zinc Steel coated with AISI316 for ranges from 0/4bar to 0/25bar Process connection material : AISI 316 Connection dimension: ½”NPTM or BSP ; ½” NPTF Cable entry : ½”NPTF , ½”BSPF , 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: 0/+60° C Fluid temperature limit: -30/+150° C Thermal drift : ≤ 0,05%/° C Construction acc.to ATEX directive 94/9/EC gr.II cat. 1/2GD with Explosion proof protection mode EExd IIC T6 . Certificate number : CE ATEX 03.0103.06/2537X Construction according to PED directive 97/23/EC 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 High temperature version Overpressure up to 10bar ranges 0/1-1,6-2,5bar Overpressure up to 15bar ranges 0/4-6bar Overpressure up to 20bar range 0/10bar Overpressure up to 30bar range 0/16bar Overpressure up to 35bar range 0/25bar Overpressure up to 60bar range 0/40bar Overpressure up to 80bar range 0/60bar Accessories (syphon, valves, chemical seals) HOW TO ORDER Please specify: code, setting range, options and accessories Example : EPSILON MS1, 0/4bar, C, C01, G05 _______________________________________________________________________________________________ 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: [email protected], Website: www.pci-instruments.com (Specifications are subject to change without notice)

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Diaphragm Type Explosion Proof Pressure Switch EPSILON MS1-2

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 Pressure (bar) One side static pressure for gold plated contacts, values are 3 times PROCESS CONNECTION Type Code ½” BSP / M G05 ½” NPT / M G06 ½” NPT / F G07 other G99 Dead band for adjustable dead band micro switch adjustment from 10 to 50% of range CABLE ENTRY Type...

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