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Earth-Rite® DGS Dual Grounding System With System Interlocks & Visual Indication

Brand: Newson Gale
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The Earth-Rite DGS Dual Grounding System (DGS) has two independent ground monitoring circuits that allows operators to ground and continuously monitor two items of metal conductive plant equipment concurrently to less than 10 Ohms, such as two bulk transportation vehicles or other metallic vessels like Ex IBCs and metal drums.

This feature is commonly used to ground trucks and tank cars during transloading operations or to ground up to two trucks or tank cars that are being loaded/unloaded at dedicated loading rack installations.

Interlocking the grounding system with the process equipment being used enhances the safety and operating procedure before the process starts. If the ground is lost then Earth-Rite DGS can shut down the process for one or both of the channels.

Interlocking the grounding system with strobes provides personnel working in the surrounding area with a clear view of when the grounded process is underway and protected.

Features
  • High Intensity Flashing Green LEDs: Three attention grabbing green LEDs confirms resistance to earth is 10 Ohms (or less)
  • Monitors the Ground Loop: Monitors the resistance of the ground loop from the grounded object through to the site’s verified true earth grounding point
  • Interlock Capabilities: Two dry output contacts which can be interlocked to electromechanical devices or PLC systems, to stop the flow of product should the system detect a risk of static charge accumulation

The Earth-Rite DGS Dual Grounding System (DGS) has two independent ground monitoring circuits that allows operators to ground and continuously monitor two items of metal conductive plant equipment concurrently to less than 10 Ohms, such as two bulk transportation vehicles or other metallic vessels like Ex IBCs and metal drums.

This feature is commonly used to ground trucks and tank cars during transloading operations or to ground up to two trucks or tank cars that are being loaded/unloaded at dedicated loading rack installations.

Interlocking the grounding system with the process equipment being used enhances the safety and operating procedure before the process starts. If the ground is lost then Earth-Rite DGS can shut down the process for one or both of the channels.

Interlocking the grounding system with strobes provides personnel working in the surrounding area with a clear view of when the grounded process is underway and protected.

Features
  • High Intensity Flashing Green LEDs: Three attention grabbing green LEDs confirms resistance to earth is 10 Ohms (or less)
  • Monitors the Ground Loop: Monitors the resistance of the ground loop from the grounded object through to the site’s verified true earth grounding point
  • Interlock Capabilities: Two dry output contacts which can be interlocked to electromechanical devices or PLC systems, to stop the flow of product should the system detect a risk of static charge accumulation
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Specifications

Brand

Power Supply

  • 90-265 Vac, 50-60 Hz

Power Rating

  • 10 watts

Ambient Temperature Range

  • -40° to +122° F (-40° to + 50° C)

Ingress Protection

  • IP 66

Weight

  • 7 kg (15.43 lbs) nett

Construction

  • Monitoring unit: Copper-free cast aluminium
  • Junction Box Enclosure material: GRP with carbon loading
  • Grounding Clamp Body: stainless steel (SS grade: 304)

Monitoring Circuit

  • Intrinsically safe

Monitoring Loop Resistance

  • Nominally ≤10 ohms per channel (±10%)

Output Relay Contact Rating

  • 3 off dry contacts
  • 250 Vac 5 A 500 VA max resistive
  • 30 Vdc 2 A 60 W max resistive

Cable Entries

  • Monitoring unit: 4 x 3/4" NPT
  • Monitoring unit: 2 in the West Face (EX)
  • Monitoring unit: 2 in the South Face (NonEX)
  • Junction Box: 1 x M20 x 1.5

Junction Box Terminal

  • 2 x 2.5 mm² conductor capacity

Stowage Device

  • Insulated universal stowage pin

Junction Boxes Cable Connection

  • Quick Connect

Grounding Clamp Design

  • 2 pole with tungsten carbide teeth

Approvals & Certifications

  • ATEX: II 1 GD T6 (Assessed to EN 13463-1 : 2009), Sira 02ATEX9381, ATEX Notified Body: SIRA
  • FM Certificate of Compliance number: 3046346
  • IECEx: Ex h IIC T6 Ga, Ex h IIIC T85°C Da, Ta = -40°C to +60°C, IECEx EXV 20.0033, IECEx Certified Body: ExVeritas
  • UKCA Ex: II 1 G, II 1 D; Ex h IIC T6 Ga; Ex h IIIC T85°C Da; Ta = -40°C to +60°C; ExVeritas 21UKEX0842; UKCA Ex Approved Body: ExVeritas
  • NEC 500 / CEC (Class & Division), NEC 505 & 506 (Class & Zoning),
  • EMC Tested to EN 61000-6-3, EN 61000-6-2 FCC - Part 15 (Class A)

Spiral Cable

  • Blue Cen-Stat Hytrel sheath (Static dissipative, chemical & abrasion resistant)
  • Conductors: 2 x AWG #16 copper
  • Length: 3 m (10 ft), 5 m (16 ft), 10 m (32 ft) or 15 m (50 ft) 2 pole Cen-Stat blue spiral cable with Hytrel coating which has colour, UV protective and static dissipative additives
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