Differential Pressure Switch TETROSWITCH DP0 pages

Data sheet

TETRO
SWITCH DP

Date
Page

10/2011
1 of 2

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)

Code
E10
E15
E20
E25
E30
F16
T20
T21
D13
I30

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)