Earth-Rite® FIBC

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Static Earthing for Type C FIBC Bags

Earth-Rite FIBC - Earthing Type C FIBC Bags

The Earth-Rite® FIBC system monitors the resistance of Type C FIBC bags ensuring the static dissipative elements of the bag are capable of conducting electrostatic charges through the FIBC in compliance with IEC 61340-4-4 “Standard test methods for specific applications – Electrostatic classification of flexible intermediate bulk containers (FIBC)” and NFPA 77 “Recommended Practice on Static Electricity”.

To compensate for normal wear and tear on Type C bags it is important to ensure the bag maintains its ability to dissipate electrostatic charges. It is equally important to ensure earthing connection between the bag and plant earth grounding point is functioning correctly.

During the bag filling / emptying process the Earth-Rite FIBC system continuously monitors the resistance of the Type C bag. If the resistance of the bag rises above the recommended level of 1 x 107 ohms (10 meg-ohm) this dangerous situation averted through system mounted indicators that inform the operator the process must be halted. The system’s volt-free contacts can be used to automatically shut down the operation or activate some additional attention grabbing devices.

Newson Gale can also provide the Earth-Rite FIBC configured to validate and monitor Type C bags that are designed to operate with an upper resistance level of 1 x 108 ohms (100 meg-ohm).

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Benefits

  • Attention grabbing LEDs
    Three green LEDs continuously pulse informing operators that the FIBC bag to be protected from static discharges is correctly earthed. When the system is not in use, or when it detects the resistance in the static dissipative loop is higher than 1 x 107 ohms, a red LED illuminates the indicator panel located in the static dissipative GRP indicator station.

  • Continuous Ground Loop Monitoring
    Monitors the resistance of the static dissipative loop through the FIBC bag back to the Earth-Rite FIBC via the plant earth grounding point. If the system detects that resistance in the loop is higher than 1 x 107 ohms, it engages a pair of output contacts.

  • Two volt free output contacts
    The primary contact can interlock with electro-mechanical devices or PLC systems to shutdown the flow of product. The secondary contact can interface with attention grabbing audible alarms or strobe lights to provide an extra degree of safety over the hazard.

  • Easy Installation
    Simple to mount GRP enclosures complemented by straightforward cabling and PCB system wiring. Flexible hazardous area enclosure location options with separate IS monitoring / indicator and Power supply PCBs. Power supply PCB can run off both 240 V and 110 V mains / line supply and 24 V / 12 V DC voltage supply.

System Options

  • Earth-Rite FIBC Options

    • Universal Resistance Tester.
    • Grounding Clamp/Cable assembly for (2-clamp installation).
    • Installers Kit.

Certification / Technical

  • Ingress Protection

    IP 66

  • Operating Temperature Range

    -40°C to + 55°C

  • Power Supply

    Selectable 110/120 V or 220/240 V AC, 50-60 Hz.