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General| Application | Liquid level measurement in storage tanks |
|---|---|
| Resolution | 0.1 mm |
| Power Supply | 24 V DC |
| Protection Class | IP66/67 |
| Type | Automatic Tank Gauge (ATG) |
| Measurement Range | Up to 40 meters |
| Accuracy | ± 1 mm (± 0.04 inches) |
| Operating Temperature | -40°C to +70°C |
| Communication Protocols | HART, Modbus |
| Output Signal | 4-20 mA |
| Housing Material | Aluminum |
| Pressure Rating | Up to 40 bar |
| Material | Stainless steel |
| Approvals | ATEX, IECEx |
Refer to the EC declaration of conformity, shipped with the instrument.
Mechanical and electrical installation must be done by trained personnel with knowledge of hazardous area requirements.
Contact Honeywell Enraf or representative for further assistance or details.
Covers housing materials, environmental conditions, and explosion-proof certifications of the 854 ATG.
Technicians require basic skills and adherence to local hazardous area requirements for safe installation.
Explains the usage of 'Warnings', 'Cautions', and 'Notes' to highlight important safety information.
Lists essential tools like a Hex Allen-key screwdriver and a tommy bar for installation.
Instructions for safely transporting the gauge, emphasizing motor locking and original packaging.
Guidance on selecting flanges, gaskets, and mounting the instrument for process connections.
Details the mounting orientation options for the 854 ATG gauge on a tank, including stilling wells.
Specifies bolt types and dimensions for securing the gauge adapter based on flange size and rating.
Step-by-step guide for installing a pressure gauge set, including leak checks.
Instructions for proper grounding of the 854 ATG housing using copper strips or a ground wire.
Instructions for correctly setting the mains voltage selector inside the electronic compartment.
Specifies fuse values for the mains supply cable based on the operating mains voltage.
Details requirements for explosion-proof cable glands, conduits, and stopper boxes in hazardous areas.
Details on grounding the 854 ATG housing to the tank or ground reference for safety.
Description of the terminal compartment division into intrinsically safe and non-intrinsically safe sections.
Specifies cabling for mains, Honeywell Enraf field bus, relay output, and analog output connections.
Details cabling requirements and cautions for RS-232C and RS-485 communication interfaces.
Guidelines for intrinsically safe wiring, cable entry, and maintaining separation from other wiring.
Provides detailed dimensional drawings and specifications for the medium pressure and chemical versions.
Provides detailed dimensional drawings and specifications for the high pressure version of the 854 ATG.
Lists and describes various adapters and calibration chambers for different pressure ratings and flange types.
Details ATEX approval for the terminal compartment and cable gland requirements for explosion-proof equipment.
Specifies connection requirements for optional boards like XPU-2, HCU, and GFC, including intrinsic safety parameters.
Lists other relevant Honeywell Enraf manuals and installation information for related products.
