Western Instruments N88-12-I Reference Pit Depth Gauge, Inch Dial Indicator, 5.5" Blade, for Corrosion and Erosion Depth Measurement

See More Pit Depth Gauges

Western Instruments N88-12-I Reference Pit Depth Gauge, Inch Dial Indicator, 5.5" Blade, for Corrosion and Erosion Depth Measurement

See More Pit Depth Gauges
Price:
$781.00
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    Product Description
    Western Instruments N88-12 Reference Pit Depth Gauge, 5.5" Blade
    Western Instruments Pit Depth Gauges assure compliance with vessel, pipeline, tank and OCTG specifications for corrosion and erosion depth measurement.
    Measuring Range: 0.0-0.5" (0.0 - 12.7 mm)
    Resolution: 0.001" (0.01 mm)
    Dial Diameter: 1.4" (35.5 mm)
    5.5" (140mm) Long, 0.75" Wide Blade
    Available with dial or digital indicators

    Western Instruments Pit Depth Gauges allow the Corrosion Inspector to conveniently measure Pit Depth or material loss in areas of Weight-Loss Corrosion.Various Blades for the Pit Gauges are available for different applications, including the Bridging Pit Gauge which permits Inspectors to Span or Cantilever over large areas of Weight-Loss Corrosion, to get a true measure of Pit Depth


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    Kit Contents 
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    • Western Instruments N88-12 Reference Pit Gauge Imperial Dial Indicator
    • 5.5” (140mm) long, 0.75” (19mm) wide with inverted V Edge
    • 2 magnet cartridges
    • Operator Instructions
    • Carrying Case


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    Features
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    Zeroing Dial Indicator

    • The vertical position of the Contact Point, needs to be Zeroed with respect to the Knife Edge of the Blade.
    • Zeroing can be accomplished in two ways; by adjusting the Height of the Dial Indicator in the Blade; or by Rotating the outer Bezel Scale while pressing on the Plunger onto a flat surface.

    Scale Zeroing
    • To quickly check the Zero Point of the Dial indicator, place the Blade on a representative smooth surface.
    • Gently press the Plunger, until the contact point touches the surface.
    • While the contact point is on the surface, loosen the Bezel Lock, and rotate the Bezel Scale until it reads '0' with respect to the pointer.

    Height Zeroing
    • Loosen the Fastener(s) holding the Dial Indicator in place.
    • Hold the Blade firmly on a Flat Surface, and gently press the body of the Dial Indicator down until the contact point touches the flat surface.
    • Carefully re-tighten the Clamp Fastener(s) or the Set Screw.
    • Any fine zeroing can be done by rotating Bezel Scale on the Indicator.
    • Height Zeroing should be done, whenever the unit is put into to use.

    Zeroing a Digital Indicator
    • Digital Indicators can be Height Zeroed or Positioned in the same way as a Mechanical Dial Indicator.
    • To Zero the Digital Indicator simply press the Zero Button when the Contact Point is on a reference point. If the Digital Indicator is Height Zeroed, press Zero when the Plunger is fully retracted.
    • To select Metric or Imperial Measurement, simply press the mm/in Button.Whennot in use, press the On/Off Button to turn the Indicator off.

    Indicator Positioning
    • The position (or rotation) of the Dial indicator can be changed by simply loosening the Clamp Fasteners or Set Screw, and rotate the Dial Indicator about the Blade.
    • After the Dial Indicator is rotated, the unit should be Dial Zeroed.


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    Specifications
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    Dial and Digital Indicators

     
    ModelImperial Dial IndicatorMetric Dial IndicatorDigital Indicator
    Range0.0-0.5"0.0-12.7 mm0.0-0.5"
    Resolution0.001"0.01 mm0.0-12.7 mm
    Dial Diam.1.4"35.5 mm56 mm, 2.2"


    lineMeasuring Corrosion (Depth)

     
    Model1-Standard Tip2-Conical Tip3-Needle Tip
    Diam.0.040" diam.0.010" diam.0.005" diam.
    Tipe / Part Number:#1 Contact Point-Standard N88-S#2 Contact Point-Conical N88-C#3 Contact Point-Needle N88-N


    * Western offers a variety of Contact Points, which are all 0.625" (16mm) long. Any ADG Contact point can be used with our special dial indicators, but a different length may affect Height Zeroing, or the vertical position of the Dial Indicator. Contact Points are easily replaced, by extending the Contact Point , and turning it counter clockwise.


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    Downloads
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    Western Instruments N88-12 Basic Pit Gauge Centre Mount 2.25in (57mm) Blade - Literature
    Western Instruments N88-12 Basic Pit Gauge Centre Mount 2.25in (57mm) Blade - Data Sheet
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