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Fr. Sauter AG
DSD: Differential pressure switch

DSD: Differential pressure switch

Product catalog summary

Overview
The DSD Differential Pressure Switch is designed to enhance energy efficiency by controlling and monitoring differential pressure without the need for auxiliary energy. It is suitable for use in various applications such as filter technology and plant engineering.

Features

Monitors differential pressure in liquids, gases, and vapors.
Applicable in filter technology and machine engineering.
Pressure setting ranges from 0.06 to 6 bar.
Operates with media temperatures up to 80°C.
High repeat precision and overload protection.
Compatible with neutral media like heating water, gases, and oils.
Long service life with a mechanical serviceable life of 1 million switchings.

Technical Data

Minimum load: 0.1 A, 250 V~, 25 VA; 0.1 A, 30 V=
Maximum load: 3(1) A, 250 V~, 250 VA; 0.4 A, 30 V=, 10 W
Temperature dependence: 1.5%/10 K
Accuracy: 3% of the setting range
Hysteresis: 5% of the setting range
Max static operating pressure: 16 bar
Ambient temperature: -10 to 70°C
Ambient humidity: 45 to 75% rh

Construction

Connection cable: 3 x 0.5 mm²
Diaphragms: Chromium-nickel steel 1.4310
Connecting thread: G ⅛" (female thread)
Weight: 0.2 kg

Standards and Directives

Type of protection: IP65 (EN 60529)
Protection class: II (EN 60730)
CE conformity: Low-voltage directive 2006/95/EC EN 60730-1 / EN 60730-2-6
EMC Directive 2004/108/EC EN 55014
PED 97/23/EC Art. 3.3 and PED 2014/68/EU Art. 13, fluid group 2

Types and Accessories

Various types with different setting ranges (e.g., DSD134F102: 0.06 to 0.6 bar).
Accessories include cutting ring fittings, pneumatic fittings, and throttle screws.

Operation
The device measures pressure by exerting force on a diaphragm, which activates a micro-switch. The switching point is adjustable and indicated by a scale and marker.

Intended Use
This product is intended for specific applications as defined by the manufacturer and is not suitable for safety applications or use in ATEX zones.

Materials

Contact with medium: Polyamide housing, Chromium-nickel steel diaphragm, Brass components, EPDM seals.
Non-contact: Polyamide housing, Silicone-free cable, Stainless steel bracket.

Disposal
Disposal should comply with local laws, and further material information is available in the product's environmental declaration.

Catalog excerpts

Product data sheet DSD: Differential pressure switch How energy efficiency is improved Control and monitoring of differential pressure according to needs and with no auxiliary energy For monitoring the differential pressure in liquids, gases and vapours For use in, for example, filter technology and plant and machine engineering Differential pressure setting ranges from 0.06 to 6 bar Up to 80 °C media temperature High repeat precision High overload protection Can be used in all neutral media, such as heating water, neutral gases, oils etc. Long serviceable life With fitting bracket Technical data Parameters Min. load Temperature dependence Mechanical serviceable life Max. static operating pressure (positive and negative pressure) Admissible ambient temperature Admissible temperature of medium Admissible ambient humidity Ambient conditions Construction Diaphragms Connecting thread Standards and directives Protection class Overview of types Type 1 m long, fixed wiring Right of amendment reserved © 2016 Fr

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Product data sheet Accessories Type Cutting ring fitting G⅛" to 6 mm pipe (2 pcs) Pneumatic fitting G⅛" to 6 mm hose (2 pcs) Description of operation The pressure to be measured exerts a force on one side of a sturdy diaphragm. This force affects the membrane system. A switching tappet mounted on the membrane activates a micro-switch. The switching point can be set via a setpoint adjuster. A scale fitted to the setpoint adjuster and a setting marker show the respective switching point that is set. The product is suitable for positive, negative and differential pressure measurement. Intended use...

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Product data sheet Materials that do not come into contact with the medium: Housing Polyamide (reinforced with fibre glass) Cable gland Connection cable Silicone- and halogen-free polymer Fitting bracket Disposal When disposing of the product, observe the currently applicable local laws. More information on materials can be found in the Declaration on materials and the environment for this product. Connection diagram Dimension drawing Right of amendment reserved © 2016 Fr. Sauter AG

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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