5/8″ diameter Interface Probe (300′)

Manufacturer: Solinst
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Solinst Oil/Water Interface Meters give clear and accurate measurements of product level and thickness in wells and tanks. Determination of both light (floating) non-aqueous phase liquids (LNAPL) and dense (sinking) non-aqueous phase liquids (DNAPL) is quick and easy. The factory-sealed probes are pressure proof. The easy-to-read markings on the tape are permanently heat-stamped into the tape. The dog bone shaped tape avoids adherence to wet surfaces in wells. It is resistant to most chemicals.

The 5/8" (16 mm) diameter P1 probe allows easy access through tight spaces and into narrow wells. The probe is designed for use in various monitoring applications.

The Model 122 Interface Meter has been approved by the Canadian Standards Association (CSA) for use in explosive environments. It is suitable for use in hazardous locations Class I, Groups C&D. The grounding strap is a safety essential when the meter is used in potentially explosive environments. It also ensures that the electronics are properly protected.

To detect liquids, Solinst Interface Meters use an infra-red beam and detector. When the probe enters a liquid the beam is refracted away from the detector which activates an audible tone and light. If the liquid is a non-conductive oil/product the signals are steady. If the liquid is water (conductive liquid greater than 50 μS/cm), the conductivity of the water completes a conductivity circuit. This overrides the infra-red circuit, and the tone and light are intermittent.

The sensor gives accuracy as good as 1/200 ft. or 1.0 mm. The high accuracy enables the sensor to detect the slightest sheen of oil on the surface of the water; this is indicated by a rapid intermittent tone.

Key Features

  • Stable electronics with automatic circuitry testing
  • Tape uses stranded stainless steel conductors; is non-stretch; does not corrode; resists kinking and breaks; easy to repair and splice
  • Sturdy free-standing reel with carrying handle
  • Sensor accuracy to 1/200 ft or 1.0 mm
  • Certified intrinsically safe
  • 5/8" (16 mm) diameter probe
  • Easy access batteries; minimum 120 hours of life
  • Automatic shut off after 10 minutes
  • Inexpensive, simple repairs