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Pressure Measurement SITRANS P320/420
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Siemens
Riyadh, Saudi Arabia
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The first pressure transmitters with remote safety handling are the SITRANS P320 and 420, which allow the user to program every device from the control room rather than each transmitter on location. Commissioning is shortened as a result, particularly for applications that need functional safety. Low maintenance expenses are ensured by a test duration of up to 15 years rather than the customary 2 years.

Accuracy 0,065 % (SITRANS P320), 0,04 % (SITRANS P420)
Response time down to 105 ms
Long-Term Stability ≤ 0.125 % / 5 years
Measuring cells from 20 mbar to 700 bar
Max. Turndown 100:1
Measured medium temperature -40 °C to +100 °C
Diaphragm materials Stainless steel, Hastelloy, Tantalum, Monel, Gold
Certificates/ Approvals ATEX, IEC EX, FM, CSA, NEPSI and others
SIL-2/3 certification Developed according to IEC 61508 standards HART7 communication
Communication 4 … 20 mA / HART, PROFIBUS PA, FOUNDATION Fieldbus

Advantages of Pressure Measurement: 
  1. Remote safety handling saves commissioning time.
  2. Strong materials make it suitable for severe environments.
  3. Easy to use thanks to a rapid start tutorial, diagnostic icons according to NAMUR NE107, and a wide, clear display.
  4. Reduction in maintenance costs as a result of a 15-year proof test interval.
  5. Shorter response times lead to quicker responses and more streamlined procedures.

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