Bourdon Tube Type Pressure Switch TETROSWITCH BS0 pages
Data sheet
TETRO
SWITCH BS
Date
Page
06/2010
1 of 2
BOURDON TUBE TYPE PRESSURE SWITCHES
TETROSWITCH BS
The TETROSWITCH pressure switch series BS are
suitable for use with chemical, petrochemical,
machinery, food, pharmaceutical or onshore and
offshore applications.
Setting Ranges from 0-600bar.
TECHNICAL CHARACTERISTICS
Case and cover : St. St. series 300, bayonet type 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
Blow out: neoprene
Sensing element: Bourbon tube type, with “C” form for
pressure ≤60bar, helical wound for pressure ≥ 60bar
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 GAS ; ½” NPTF
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/+400°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
OPTIONS AND ACCESSORIES
DESCRIPTION
Case and cover in AISI316
Element and connection in MONEL 400
Cable gland in PVC
MIL specification cable gland
Wall mounting bracket
2”pipe mounting bracket
Degreasing for O2 service
Version for Intr. Safe circuits
High temperature version
Vacuum protection
Overpressure protection
High static pressure construction 100bar
Accessories (manifolds, chemical seals)
Code
H8
E25
C17
C19
T20
T21
D13
I30
D10
V50
V51
Z1
HOW TO ORDER
Please specify: model, micro switch, setting range,
process connection, cable entry, options and
accessories
Example: TETROSWITCH BS, C, 0-25bar, G05, C01,
I30
_______________________________________________________________________________________________
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)