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General| Accuracy | ±1.6% |
|---|---|
| Process Pressure | Up to 40 bar |
| Materials | Stainless steel, PTFE, Hastelloy |
| Output | 4...20 mA, HART |
| Display | LCD |
| Process Connection | Flange |
| Approvals | ATEX, IECEx, FM, CSA |
| Measurement Principle | Variable area (VA) flow meter |
Applies to explosion-protected versions, completing standard documentation for non-explosion protected types.
Declares conformity with ATEX directive and harmonized standards for hazardous areas.
Details testing and certification according to the IECEx scheme for hazardous areas.
Warns about explosion risk if instructions are not followed and requires trained personnel.
Explains the function of variable area flowmeters for flammable and non-flammable gases and liquids.
Explains the safety description code for type series H250, listing its components.
Explains the safety description code for type series DK37, listing its components.
Details the markings on the device nameplate and housing cover for identification and compliance.
Discusses atmospheric and operating conditions relevant to flammable products and ATEX directives.
Explains equipment categories II 2 G and II 2 D for use in Zone 1 and Zone 21 respectively.
Details intrinsic safety protection ("i") as per EN 60079-11 for gas and dust environments.
Explains how product and ambient temperatures influence the device's temperature class and operational limits.
Notes maximum surface temperature for dust environments (II 2 D), valid without dust coating.
Lists maximum values (U, I, P, C, L) for intrinsically safe circuit connections.
Covers mounting requirements, installation standards (EN 60079-14), and accessibility for explosion protection.
Discusses electrostatics, titanium components for oxygen applications, and thermal/electrical data considerations.
Details intrinsically safe and galvanically isolated circuits, cable selection, and laying requirements.
States that power for built-in equipment is supplied via the signal circuits.
Refers to product documentation for terminal assignment and requires connection to certified intrinsically safe circuits.
Explains establishing ground connections via terminal ① and insulating unused cores for safety.
Outlines conditions for permitted start-up, including correct installation and system checks.
Covers operating within specified temperature, pressure, and electrical limits.
Warns about electrostatic hazards with painted versions and plastic housings in specific environments.
Details requirements for safety-relevant maintenance by qualified personnel and recommended checks.
Covers replacing the display and exchanging the entire device, including safety precautions.
