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GroundwaterSoftware.com
520 Chicopee Row
Groton, MA, 01450
Tel: (978) 502-6001
Fax: (978) 477-0250
E-mail Us Here

 
 
Solinst 122 Standard Interface Meter

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 Solinst 122 - Item 110642 - 60 m Cable $1,041.52
 Solinst 122 - Item 110643 - 100 m Cable $1,210.72
 Solinst 122 - Item 110644 - 150 m Cable  $1,459.82
 Solinst 122 - Item 110645 - 250 m Cable $1,882.82
 Solinst 122 - Item 110649 - 300 m Cable $2,305.82
 Solinst 122 - Item 110650 - 100 ft Cable $872.32
 Solinst 122 - Item 110651 - 200 ft Cable $1,041.52
 Solinst 122 - Item 110657 - 300 ft Cable $1,210.72
 Solinst 122 - Item 110658 - 500 ft Cable $1,459.82
 Solinst 122 - Item 110666 - 750 ft Cable $1,882.82
 Solinst 122 - Item 110667 - 1000 ft Cable $2,305.82
 Solinst 122 - Item 110932 - 30 m Cable $872.32
 Solinst 122 - Item SOL-CBlg - Carry Bag (included) $0.00
 Solinst 122 - Item SOL-CBsm - Carry Bag (Small) $75.00
 Solinst 122 - Item SOL-P1 - P1 Probe (included) $0.00
 Solinst 122 - Item SOL-P2 (optional) - P2 Probe  $220.40



Page Content

 

    Solinst 122 Interface Meter

    Datasheet

    Hazardous Locations Use

    Operating Principles

    Features

    Interface Probes

    Laser Marked PVDF Flat Tape


Solinst 122 Interface Meter

 

 

New Laser Marked PVDF Flat Tape Interface Meter, available from GroundwaterSoftware.com

  • Much more durable and easy to decontaminate
  • Narrow 5/8" (16 mm) Probe
  • Sturdy free-standing reel with carrying handle
  • Certified intrinsically safe for use in explosive environments
  • Accurately laser marked every 1/100 ft or each mm
  • Lengths to 1000ft or 300m
  • Markings certified traceable to national standards

 

Available from GroundWaterSoftware.com, Solinst Model 122 Interface Meters are easy-to-use and give reliable, accurate measurements. A steady tone and light indicate LNAPL depth or DNAPL depth. Intermittent signals indicate water. Solinst laser marked PVDF flat-tape is available in lengths up to 1000 ft or 300 m. The PVDF Flat Tape is considerably more durable and easier to decontaminate. Also available from GroundwaterSoftware.com, The Mini 122 Interface Meter reel holds 80 ft or 25 m of narrow flat tape on a convenient small reel. It offers long battery life with only one standard 9V battery, giving 300 hours or more of normal use before the battery needs changing.

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Datasheet

 

Solinst Oil/Water Interface Meters give clear and accurate measurements of product thickness and level in wells and tanks. Determination of both light (floating) non-aqueous phase liquids (LNAPL depth) and dense (sinking) non-aqueous phase liquids (DNAPL) is quick and easy. The factory-sealed probe is pressure proof (up to 500 psi) and tapes are available in a range of lengths from 100 - 1000 ft (30 - 300 m). The 5/8" (16 mm) diameter probe allows easy access through tight spaces and into narrow wells. The probe is designed for use in various monitoring applications. 122M Mini Interface Meters also available, see 122M Data Sheet for more information.

Accurate, Reliable, Robust

Designed for rugged field use Stable electronics with automatic circulatory testing Laser marked PVDF flat tape is easy to decontaminate; resists stains Tape uses stranded stainless steel and copper coated steel conductors: high in tensile strength; electrical efficiency non-stretch; does not corrode Sturdy free-standing reel with carrying handle

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Hazardous Locations Use

 

Model 122 Interface Meters have been approved for use in explosive environments. They are suitable for use in hazardous locations Class I, Div 1, Groups C&D based on standards of the Canadian Standards Association (CSA). The Model 122 Interface Meter with laser marked PVDF tape is now ATEX certified under directive 94/9/EC, as II 3 G Ex ic IIB T4 Gc. 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.

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Operating Principles

 

Product (Non-conductive liquid) = Steady light and tone Water (Conductive liquid) = Intermittent light and tone

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, which can indicated LNAPL depth or DNAPL depth. If the liquid is a non-conductive oil/product the oil/water interface meter signals are steady. If the liquid is water (conductive liquid greater than 20 S/cm), the conductivity of the water completes a conductivity circuit and the oil/water interface meter signals this. This overrides the infra-red circuit, and the tone and light are intermittent. The 122 Interface Meter sensor provides an 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.

High Quality Design

The state-of-the-art electronics include automatic circuitry testing when the On button is used; 120 hours of on-time battery life; clear signals; and high accuracy. The circuits are powered by a single standard 9V battery which is housed in an easy-access drawer in the faceplate of the reel. Infra-red refraction is used to detect liquids and conductivity to distinguish water. Both optical and electronic sensors are precisely aligned at the same zero point. The factory sealed probe does not need to be accessed by the user. An integral stainless steel shield protects the sensors. It is set permanently into place, yet allows for easy cleaning.

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Features

 

  • Sensor accuracy to 1/200 ft. or 1.0 mm
  • Certified intrinsically safe
  • 5/8" (16 mm) diameter probe
  • Easy access 9V battery
  • Automatic shut off after 10 minutes
  • Easy to splice and repair
  • Replacement tapes are interchangeable with other Meters

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Interface Probes

 

Obtaining Product Thickness Measurements

To measure the product thickness, lower the probe into the well until the signals activate. If there is an oil/product layer on the top of the water (LNAPL depth), the light and tone will be steady, indicating an air/product interface on the oil/water interface meter. Read the depth off the permanently marked tape. Lower the probe further into the water, where the signals become intermittent, then pull back up and take a reading at the product/water interface. The product thickness is then determined by subtracting the first reading from the second. If there is only water in the well and no product, there will only be intermittent (water) signals from the oil/water interface meter. The presence or absence of dense (sinking) non-aqueous layers (DNAPL) is determined by continuing to lower the probe to the bottom of the well. If the steady tone and light return, this indicates a non-conductive liquid. Measure the depth and continue lowering the probe until it touches bottom and the tape goes slack. To determine the product thickness of the DNAPL layer, subtract the first reading from the bottom depth.

Included Equipment

Each full size meter is provided with a grounding cable, cleaning brush, a convenient carrying case with shoulder strap, and a tape guide/datum from GroundwaterSoftware.com The tape guide may be used to provide support for a small reel on the well casing. It acts as a datum allowing repeatably accurate measurements; ensures that the probe hangs in the centre of the well; and protects the tape from damage. It is essential to use the grounding cable to ensure safety and proper function of the electronics in all applications.

P8 Probe

 

The 122 Interface Meter uses the P8 Probe, which is 5/8" (16 mm) in diameter and stainless steel. It is pressure proof, up to 500 psi. The beam is emitted from within a Hydex cone-shaped tip. The tip is protected by an integral stainless steel shield, and is excellent for the vast majority of product monitoring situations.

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Laser Marked PVDF Flat Tape

 

The PVDF flat tape is extremely accurate, traceable to NIST and EU measurement standards in calculating LNAPL depth. The easy-to-read markings on the 3/8" (10 mm) PVDF flat tape are permanently laser-marked. The dog bone shaped tape avoids adherence to wet surfaces in wells. It is resistant to most chemicals, and the smooth surface of the tape is easy to decontaminate and easy to handle.

LM2: Feet and tenths: with markings every 1/100 ft. LM3: Meters and centimeters: with markings every mm.

 

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