SUBMERSIBLE PRESSURE TRANSMITTER EXNAL 8859

Product catalog summary

Overview: The document is a technical datasheet for the Trafag Submersible Pressure Transmitter, model EXNAL 8859, designed for use in hazardous environments such as gas and dust zones, and underground mining. It is compliant with ATEX and IECEx standards.

Applications: Suitable for environments requiring ATEX and IECEx compliance, with pressure ranges starting from 100 mbar. It features no media contacting O-rings and offers options for chemical-resistant materials, including titanium.

Technical Specifications:

Measuring Principle: Piezoresistive
Temperature Range: Ambient and media temperature from -5°C to +80°C
Pressure Range: 0 to 0.1 bar up to 0 to 25 bar
Output Signal: 4 to 20 mA
Protection Type: IP68, with various Ex classifications for gas and dust zones

Ordering Information: The type code 8859.XX.XX.XX.XX.XX allows customization of pressure range, sensor type, pressure connection, electrical connection, and output signal. Options include relative or absolute pressure sensors, different cable types, and special materials like titanium.

Performance and Accuracy:

Repeatability: ±0.05% FS
Accuracy: Varies by pressure range, with typical accuracy of ±0.25% FS for P2/A2 sensors and ±0.1% FS for P1/A1 sensors
Long-term Drift: Less than 4 mbar or 0.2% over one year

Environmental and Mechanical Data:

Vibration and Shock Resistance: Compliant with EN 60068-2-6 and EN 60068-2-27 standards
EMC Protection: Meets EN/IEC 61000 standards for burst, surge, emission, and immunity
Materials: Sensor and housing available in AISI316L or titanium

Dimensions and Connections: Detailed dimensions and electrical connection options are provided, including cable types and Zener barrier specifications.

Additional Information: Further documentation and instructions are available on the Trafag website.

Catalog excerpts

SUBMERSIBLE PRESSURE TRANSMITTER EXNAL 8859-1

SUBMERSIBLE TRANSMITTER PRESSURE Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. x Applications ■ Ex Zone 0, 1, 2 / Gas ■ Ex Zone 20, 21, 22 / Dust ■ Ex Underground Mining Features ■ ATEX and IECEx ■ Pressure ranges from 100 mbar ■ No media contacting O-rings ■ Cable PUR or FEP ■ Option: Chemical resistant material, in titanium Subject to change Data sheet H72335b 08/2020 Trafag sensors & controls Industriestrasse 11 Tel. +41 44 922 32 32 www.trafag.com sensors controls

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SUBMERSIBLE PRESSURE TRANSMITTER EXNAL 8859-2

Ordering information/type code Burst pressure [bar] 200 200 200 200 200 200 200 200 200 200 200 200 200 Sensor Type 02, relative pressure (accuracy NLH: ±0.25 % FS) 2) Type 02, absolute pressure (accuracy NLH BSL ±0.25 % FS) 2) Type 01, relative pressure (accuracy NLH: ±0.1 % FS) 2) Type 01, absolute pressure (accuracy NLH BSL ±0.1 % FS) 2) Pressure Open connection Closed G1/4" male G1/2" male 1) Customized pressure ranges upon request 2) Accuracy NLH see table 3) Please specify the cable length when ordering 4) Please specify the measuring medium when ordering 5) Attention! Additional measure...

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