Precont PN4LM
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Pressure transmitter / Pressure switch with data memory for hygienic applications Monitoring of absolute or relative pressure in gases, vapors, liquids and dust
Digital pressure switch and pressure transmitters for hygienic applications – Latest generation with a large display, analog and 4 pnp switching outputs
- EHEDG Compliance
- Process temerature up to 150°C
- Analouge and up to 4 switching points
The device Precont PN4LM is an electronic pressure transmitter / pressure switch for monitoring, control as well as continuous measurement of pressures in gases, vapors, liquids and dusts.
Due to the device construction with measuring ranges from -1 bar to 25 bar (gauge), measuring ranges from 0 bar to 25 bar (absolute), measuring spans from 100 mbar to 25 bar, process temperatures from –20°C to +150°C, process material CrNi-steel as well as the availability of a variety of hygienic EHEDG-conformal process connections like thread ISO 228-1 with front-flush O-ring gasket, dairy coupling DIN 11851, Varivent® and DRD the device is especially suitable for the use for food and beverage industry, pharmaceutical industry, biotechnology and sterile process engineering.
The device Precont PN4LM is suitable for demanding measuring requirements.
Due to its high accuracy and the high flexibility of configuration, the device can be suited a wide variety of applications.
The device with front-flush diaphragm has been specifically designed for the measurement of viscous, paste-like, adhesive, crystallizing, particle-laden and contaminated media, which would clog the pressure channel of conventional process connections.
Through its optimized design, the front-flush process connection enables the cleanability of the wetted diaphragm to be integrated into the process.
The device is particularly suitable for the special conditions of CIP/SIP cleaning processes, such as chemical stability towards cleaning liquids and high temperatures.
Low-maintenance and trouble-free pressure measurement is thus also guaranteed in critical applications with frequently changing media.
The front-flush diaphragm is completely welded with the process connection and supplied with a positive seal. A reliable, dead-space free sealing between the process connection and the process adapter resp. measuring medium is thus assured.
The robust design and the high-quality workmanship turns the device into a very high quality product, which even the most adverse environmental conditions cannot affect, whether low temperatures when used outdoors, high shock and vibration or aggressive media.
| Versorgungsspannung | |
| Ausgangssignal 0(4)…20mA | 9 V…30 V DC |
| Ausgangssignal 0…10V | 14 V…30 V DC |
| Analogausgang | |
| Arbeitsbereich | 0…20mA: 0…20,5mA, max. 22mA 4…20mA: 3,8…20,5mA, min. 3,6mA, max. 22mA 0…10V: 0…10,5V, max. 11V |
| Zulässige Bürde | 0(4)…20mA: ≤ (US-9V) / 22mA 0…10V: ≥ UOut / 3mA |
| Sprungantwortzeit | ≤ 15ms (td = 0s) |
| Bereitschaftszeit | ≤ 1s |
| Schaltausgang PNP S1 / S2 / S3 / S4 | |
| Funktion | PNP-schaltend auf +L |
| Ausgangsstrom | IL 0…≤ 200mA Strombegrenzt Kurzschlussfest |
| Sprungantwortzeit | ≤ 25ms (td = 0s) |
| Schaltzyklen | ≥ 100.000.000 |
| Bluetooth® Interface | |
| Version | Bluetooth® 2.1 + EDR |
| Spezifikation | Klasse 2 |
| Sendeleistung | ≤ 2,5mW / 4dBm |
| Reichweite | ≤ 10m |
| Messgenauigkeit | |
| Kennlinienabweichung | ≤ ±0,15% FS ≤ ±0,5% FS |
| Langzeitdrift | ≤ ±0,2% FS/Jahr |
| Temperaturabweichung | Messbereich ≤ 250mbar: ≤ ±0,04% FS/K (0°C…+80°C) Messbereich ≤ 250mbar: ≤ ±0,06% FS/K (-20°C…0°C / +80°C…+150°C) Messbereich ≥ 400mbar: ≤ ±0,02% FS/K (0°C…+80°C) Messbereich ≥ 400mbar: ≤ ±0,03% FS/K (-20°C…0°C / +80°C…+150°C) |
| Werkstoffe | |
| Membrane (prozessberührend) | Stahl 1.4435 (316L) |
| Prozessanschluss (prozessberührend) | Stahl 1.4435 (316L) |
| Anschlussgehäuse | CrNi-Stahl |
| Bedienoberfläche | PES |
| Dichtungen (prozessberührend) | FPM – Fluorelastomer (z.B. Vition®), FDA-gelistet EPDM – Ethylen-Propylen-Dienmonomer, FDA-gelistet |
| Umgebungsbedingungen | |
| Umgebungstemperatur | -20°C…+70°C |
| Prozesstemperaturen | -20°C…+150°C |
| Prozessdruckbereiche | 100mbar … 25bar typabhängig |
| Schutzart | IP68 (EN/IEC 60529) |
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