Wika Pressure Transmitter SA-11 Series

The Pressure Transmitter for Industrial automation

The Wika SA-11 Series pressure transmitter is designed especially for the requirements of the food and beverage, pharmaceutical and biotechnology industries. The instrument is particularly suitable for the special conditions of CIP/SIP cleaning processes, such as chemical stability towards cleaning liquids and high temperatures. The flush diaphragm is directly welded to the process connection. This guarantees a crevice-free joint between the process connection and the measuring cell, additional sealings are not required. For dead-space free instrumentation, aseptic process connections (clamp, threaded, VARINLINE® and NEUMO®) are available.

The model SA-11 conforms to the 3-A Sanitary Standard and is EHEDG-certified.

A diaphragm made of 1.4435 stainless steel forms a flush separation of the process medium from the pressure transmitter. The process pressure is transmitted hydrostatically from the diaphragm, via an FDA-approved system fill fluid, to a piezoresistive sensor. The measuring range covers 0 ... 250 mbar up to 0 ... 25 bar. The model SA-11 pressure transmitter is powered with a DC voltage of 10 (14) ... 30 V. As output signals, 4 ... 20 mA, 0 ... 20 mA or 0 ... 10 V are available.

A stainless steel case, with an ingress protection of up to IP68, offers a secure protection for external cleaning with splash water and enables its use in high-humidity environments. Through the integrated cooling element, process temperatures of up to 150 °C [302 °F] can be realised.

Main Applications

• For gases, compressed air, vapour; liquid, pasty, powdery and crystallising media
• Ultra-pure steam systems for SIP
• Hydrostatic level measurement
• Vacuum monitoring, e.g. vacuum conveyors, pump monitoring
• Food and beverage industry, pharmaceutical industry, biotechnology, sanitary applications

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Pressure Type

Gauge, Absolute, Positive/Negative

Pressure Range

0kPa ~ 25kPa to 0MPa ~ 40MPa

Electrical Connection

Angular Connector DIN 175301-803A, Circular Aviation Plug M12×1(4pin) IEC 61076-2-101

Accuracy

±0.25%FS, ±0.5%FS

Process Connection

M20×1.5 - ISO 9974-2/EN 837

G1/4A - ISO 1179-2

NPT1/4 - ANSI/ASME B1.20.1

R1/4 - ISO 7

Other threads available on request

Output

4mA ~ 20mA DC

0V ~ 5V DC

1V ~ 5V DC

0V ~ 10V DC

0.5V ~ 4.5V DC

Structure Specification

Full welded, adapted to breathable membrane

Medium

Air, water, mixed oil or other fluid that can be compatible with wetted part

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 Wika SA-11 Series PDF Catalog