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General| Brand | KROHNE |
|---|---|
| Model | H250 M9 |
| Category | Measuring Instruments |
| Language | English |
Apply to explosion-protected versions and complement existing instructions.
Details NEPSI certification and its conditions for the H250/../M9 series.
Emphasizes that installation and maintenance must be performed by trained personnel.
Explains the function of variable area flowmeters and available options.
Details the structure and meaning of the safety description code for the device.
Explains the type designation and markings shown on the indicator nameplate.
Defines conditions for explosive atmospheres and warnings for flammable products.
States the device is designed according to GB 3836.1 and GB 3836.4 standards.
Explains the intrinsic safety protection type 'ia' and its marking.
Discusses temperature classes based on product and ambient temperatures.
Provides electrical specifications for built-in equipment and intrinsic safety values.
Covers installation requirements, accessibility, and secure footing.
Specific guidance for installing with horizontal flow and display position.
Guidelines for selecting and installing connecting cables and entries.
Information on power supply for internal electronics and current output.
Refers to terminal assignment and connection to intrinsically safe circuits.
Details the necessary earthing and equipotential bonding for safe operation.
Lists the conditions required for the flowmeter's initial start-up.
Ensures operation within limits and maintenance of safety features.
Outlines regular inspections for maintaining proper condition and safety.
Procedures for exchanging built-in equipment or the entire device.
Presents the certificate number, manufacturer, model, and standards.
Details manufacturer responsibilities and conditions for safe use.
