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Earth-Rite® II MGV Mobile Grounding Verification System

Brand: Newson Gale
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The Earth-Rite II MGV is designed to ground a mobile tank truck during loading and unloading operations in order to dissipate any static electricity which could accumulate on a tank truck.

Normally, tank trucks (road tankers) load/unload at a fixed point in a factory. However, vacuum trucks can work anywhere from main roads/highways to refineries/chemical plants and require a different grounding solution.

Continuity between all metal parts on the vacuum truck is essential. Every metal item must be bonded to the chassis and tank with caution towards paint, coatings and hose trays.

The most crucial aspect of safety concerning vacuum trucks is the education of the operator that on arrival at site they attach the grounding clamp first and get a GREEN flashing LED that clearly shows that the truck is grounded before any other operations are started e.g. attaching hoses.

The second most crucial part is to remove the clamp after all other operations have been completed and equipment packed away – clamp on first and clamp off last.

Features
  • High Intensity Flashing Green LEDs: The grounding system will provide a visual indication of a GOOD or BAD ground connection
  • True Earth Ground Verification: The grounding system will provide true earth verification e.g. is the system connected to an earth that is capable of dissipating static electricity
  • Continuously Monitors Connection: The grounding system is a monitored circuit and will automatically shut down the product transfer if the ground connection is lost. However, the product itself would need to stop moving in order to prevent any further charge generation

The Earth-Rite II MGV is designed to ground a mobile tank truck during loading and unloading operations in order to dissipate any static electricity which could accumulate on a tank truck.

Normally, tank trucks (road tankers) load/unload at a fixed point in a factory. However, vacuum trucks can work anywhere from main roads/highways to refineries/chemical plants and require a different grounding solution.

Continuity between all metal parts on the vacuum truck is essential. Every metal item must be bonded to the chassis and tank with caution towards paint, coatings and hose trays.

The most crucial aspect of safety concerning vacuum trucks is the education of the operator that on arrival at site they attach the grounding clamp first and get a GREEN flashing LED that clearly shows that the truck is grounded before any other operations are started e.g. attaching hoses.

The second most crucial part is to remove the clamp after all other operations have been completed and equipment packed away – clamp on first and clamp off last.

Features
  • High Intensity Flashing Green LEDs: The grounding system will provide a visual indication of a GOOD or BAD ground connection
  • True Earth Ground Verification: The grounding system will provide true earth verification e.g. is the system connected to an earth that is capable of dissipating static electricity
  • Continuously Monitors Connection: The grounding system is a monitored circuit and will automatically shut down the product transfer if the ground connection is lost. However, the product itself would need to stop moving in order to prevent any further charge generation
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Specifications

Brand

Power Supply

  • 12 or 24 Vdc

Power Rating

  • 10 watts

Ambient Temperature Range

  • GRP: -13° to +131° F
  • XP: -40° to +122° F (-40° to +50° C)

Ingress Protection

  • Type 4X (IP 66)

Weight

  • GRP: 2 kg (4.4 lbs) nett
  • XP: 4.5 kg (9.9 lbs) nett

Construction

  • Monitoring unit & power supply (GRP): Static Dissipative Glass Reinforced Polyester
  • Grounding clamp Body: Stainless steel (SS grade: 304)
  • Monitoring unit & power supply (XP): Copper-free cast aluminium
  • Junction box enclosure material: GRP with carbon loading

Monitoring Circuit

  • Intrinsically safe (ia)

Monitoring Loop Resistance

  • Nominally ≤10 Ω (±10%)

Output Relay Contact Rating

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

Cable Entries

  • Monitoring unit (GRP): 7 x M20 (4 plugged)
  • Monitoring unit (XP): 7 x 3/4” NPT (Supplied with 4 stopper plugs)
  • Junction box: 1 x M20

Junction Box Terminal

  • 2 x AWG #14 (2.5 mm²) conductor capacity

Stowage Device

  • Insulated universal stowage pin

Clamp 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
  • UKCA Ex: 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: ExVerita
  • 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
  • NEC 500 / CEC (Class & Division), NEC 505 & 506 (Class & Zoning), CEC Section 18 (Class & Zoning)
  • SIL 2 (in accordance with IEC/EN 61508)
  • EMC Tested to EN 61000-6-3, EN 61000-6-2; FCC - Part 15 (Class B)

Spiral Cable

  • Blue Cen-Stat Hytrel sheath (Static dissipative, chemical & abrasion resistant)
  • Conductirs: 2 x AWG #18 copper
  • Length: 50 ft (15 m) extended,(optional cable reel and additional lengths of,Hytrel cable available - please inquire),
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