Advantages:

High precise pressure measurement -1...25 bar, relative and absolute
Front flush metallic membrane with surface roughness Ra < 0,4µm
EHEDG conform process connection
Up to 4-times overload resistance
Process temperatures from -20°C to +150°C
Rugged design - maintenance free
Electronic rotateable by 330 degree
2-wire 4...20mA or 3-wire 0...10V technology
2 PNP switching outputs
4-digit LED display
Fast adjustment by key combination or menue guided adjustment by LED display
Password protection
Certification for the use in explosive hazardous areas

Application description

The devices of the series Precont® S30 with EHEDG conform process connection for hygienic applications are used for supervision, control and also for continuous measurement of pressures from -1 up to +25 bar in gases, steams, liquids and dusts within closed containers or pipelines at process temperatures from -40°C to +150°C.

The pressure sensor Precont® S30 is expecially designed for the requirements in the food and semi-luxory item industy, as well as the pharmaceutical industry and biotechnology. This is especially relavant for the extreme conditions like chemical resistance against cleaning agents as well as insensitiveness against increases temperatures in the case of CIP/SIP cleaning processes.

Due to the availability of adapters for the common process connections like varivent or connections acc. to DIN11851 with cone flange with nut groove for pipes acc. to DIN 11850, as well as a suitable weld-in sleeve the pressure transmitter can be installed in nearly hygienic application.

The use of a strain gauge with metallic membrane guarantees excellent characteristics like high pressuren and pressure blow strength, high resistance against chemicals and corrosion, very good insensitiveness against temperature shocks and EM interferences, high accuracy and long term stability as well as low temperature sensitiveness.

Technische Daten:

Hilfsenergieversorgung
4...20mA / mit Display Ausführung A/B 14,5...45 V DC Ex 14,5...30 V DC
0...10V Ausführung E/F/G/H 14,5...45 V DC Ex 14,5...30 V DC
4...20mA / ohne Display Ausführung C/D 10,5...45 V DC Ex 10,5...30 V DC
Profibus PA Ausführung P 9…32 V DC Ex 9...24 V DC

Stromaufnahme:
   2-Leiter 4...20 mA ≤ 22 mA PNP-Schaltausgänge im Leerlauf
   3-Leiter 0...10 V ≤ 10 mA PNP-Schaltausgänge im Leerlauf

2xPNP-Schaltausgang
Funktion: PNP-schaltend auf +Vs
Ausgangsstrom: ≤ 250 mA strombegrenzt, kurzschlussfest

Messgenauigkeit
Kennlinienabweichung: ≤ ±0,5% FS
Langzeitdrift: ≤ ±0,15% FS / Jahr nicht kumulativ
Temperaturabweichung : ≤ ±0,20% FS / 10 K

Werkstoffe
Membrane: Stahl 1.4435 (AISI 316L) (mediumberührend)
Prozessanschluss: Stahl 1.4435 (AISI 316L) (mediumberührend)
Anschlussgehäuse: CrNi-Stahl / PBT Polybutylenterephthalat / PP – Polypropylen / POM – Polyoxymethylen (Delrin®)
Dichtungen: (mediumberührend)
   FPM – Fluorelastomer (Viton®)
   EPDM – Etylen-Propylen-Dienmonomer
   CR – Chloroprenkautschuk (Neopren®)
   FFKM – Perfluorelastomer (Kalrez®)
   NBR – Nitril-Butadien-Kautschuk

Umgebungsbedingungen
Umgebungstemperatur: – 40°C...+85°C
Prozesstemperaturen: – 20°C...+150°C
Prozessdruckbereiche: – 1 bar ...25 bar
Turn-Down: 30:1
Schutzart:
   IP67 EN/IEC 60592
   IP65 bei Ex-Ausführung

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Precont S30

With EHEDG process connection for hygienic applications