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Series TR-7 Safe-T-Ground

Brand: Dwyer Instruments, LLC

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Model TR-7 Safe-T-Ground provides continuous monitoring of a truck’s ground connection throughout loading operations.

Static electricity is often brought in by tank trucks entering the loading area.

The Safe-T-Ground Model TR-7 instantly stops loading operations if a tank truck loses its ground.

To safeguard loading operations, the Safe-T-Ground circuit can be wired into your pump control – and to an audible alarm or signal light.
Features
  • Explosion-proof Housing
  • Audible Alarm and LED Status Indicators
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Model TR-7 Safe-T-Ground provides continuous monitoring of a truck’s ground connection throughout loading operations.

Static electricity is often brought in by tank trucks entering the loading area.

The Safe-T-Ground Model TR-7 instantly stops loading operations if a tank truck loses its ground.

To safeguard loading operations, the Safe-T-Ground circuit can be wired into your pump control – and to an audible alarm or signal light.
Features
  • Explosion-proof Housing
  • Audible Alarm and LED Status Indicators

Specifications

Approvals & Certifications

  • UL

Cable Length

  • 16 to 32 feet (4.87 to 9.75 metres)
  • 36 to 72” (0.91 to 1.82 metres)

Conduit Connection

  • 3/4” NPT Female

Display

  • 6-5/8˝ W x 10-3/8˝ H x 5-5/8˝ D

Electrical Connectors

  • Terminal Strip - Wiring

Electrical Rating

  • 10 A at 125 Vac
  • 60 Hz Contact Rating

Enclosure, Body Material

  • 356-T6 Cast Aluminum Alloy
  • Polyethylene with Beryllium Copper Contact Clips - Contactor

Environmental Protection

  • Class I, Groups C & D
  • Explosion-proof
  • Intrinsically Safe

Indication

  • Green Indication Light
  • Red Indicating Light

Mounting

  • 7/16” Mounting Lugs - Integrally Cast

Power Options

  • Battery

Power Requirement

  • 1.75 Watts - without Lights
  • 105-125 Vac
  • 220-240 Vac
  • 50/60 Hz
  • 60 Hz
  • 7.75 Watts - with Light

Switch Type

  • DPDT - Relay

Typical Applications

  • Chemical
  • Oil and Gas