Western Instruments N88-11 Jr. Bridging Pit Depth Gauge, Measures Corrosion and Material Loss

See More Bridging Pit Depth Gauges

Western Instruments N88-11 Jr. Bridging Pit Depth Gauge, Measures Corrosion and Material Loss

See More Bridging Pit Depth Gauges
Price:
$540.00 - $680.00
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    Product Description
    Western Instruments N88-11 Jr. Bridging Pit Depth Gauge, Measures Corrosion and Material Loss
    Measuring Range: 0.0-0.5" (0.0 - 12.7 mm)
    Resolution: 0.001" (0.01 mm)
    Dial Diameter: 1.4" (35.5 mm)
    The Bridging Pit Gauge® can be assemble up to a length of 28.5" (724 mm) long; can be extended if necessary
    Available with dial or digital indicators

    The Jr. Bridging Pit Gauge® Group provides Inspectors with an Economical Alternative to the Bridging Pit Gauge System®. The new Jr. Bridging Pit Gauge® is available as 3 models; the standard Jr. Bridging Pit Gauge®, the Plus, and the Super. The standard Jr. Bridging Pit Gauge® assembles to an overall length of 13½” (340mm). The Jr. Bridging Pit Gauge Plus® can be assembled in either Spanning or Cantilevering Configurations up to 15 ½” (394mm) long. While the Jr. Bridging Pit Gauge Super® can also be assembled in both Spanning or Cantilevering Configurations, up to 27” (685mm) long.

    The Junior’s Main Blade, and the optional Extender Blades are fitted with strong magnets that secure any of the Jr. Bridging Pit Gauges® to the surface of the workpiece. These Magnetic Hold Downs have several benefits, such as; Aligning the unit to Concave or Convex surfaces, keeping the operator free to record readings or manipulate the assembly when Scanning through Pits and Weight loss Corrosion. These features position the Plus, and the Super far ahead of any competitive units.


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    Kit Contents
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    • N88-11 Bridging Pit Gauge Indicator (Inch, Metric or Digital)
    • N88-11-1 Main Blade - Center and End Dial Indicator Mounting Positions, Fitted Permanent Magnets. Cutaway Nose for next to welds. 5.5” (144mm) long.
    • N88-11-5 Extender Tees - Extends effective length of all models. 12” (305mm) long (Longer Tees are optional) - 2 (two)
    • N88-11-3 End Blade - Mounts on end of Tee for extra contact. 1.5” (38mm) long
    • N88-11-7 Fastener Kit (Hardware) - Fasteners, Allen Key, Nylon Thumb Screws, #1 Contact Point-Standard.
    • N88-11-9 Carrying Case - Hard Sided Plastic Carrying Case for entire kit
    • Operator Manual


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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.

    Magnetic Hold Downs

    • Magnetic Hold Downs are intended for Scanning with a Bridging Pit Gauge®, however they can be used on any of the Jr. Bridging Pit Gauge® Group, with a diminished range of motion. Magnetic Hold Downs also provide the inspector with increased mobility, as he is not required to support the Bridging Pit Gauge.

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    Specifications
    lineDial and Digital Indicators

    Metric Dial Indicator Range:
    Resolution:
    Dial Diam.
    0.0-12.7 mm
    0.01 mm
    35.5 mm
    Imperial Dial Indicator Range:
    Resolution:
    Dial Diam.
    0.0-0.5"
    0.001"
    1.4"
    Digital Indicator Range:
    Dial Diam.
    0.0-0.5"
    0.0-12.7 mm
    56 mm, 2.2"
    Measuring Corrosion (Depth)
    1-Standard Tip 0.040" diam. #1 Contact Point-Standard N88-S
    2-Conical Tip 0.010" diam. #2 Contact Point-Conical N88-C
    3-Needle Tip 0.005" diam. #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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    Related Products
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    N88-9
    Bridging Pit Gauge

    • N88-9 Bridging Pit Gauge
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    N88-9B
    Basic Bridging Pit Gauge

    • Bridge Type Pit Gauges - Metric, Imperial or Digital Indicator Options
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    N88-11B
    Jr. Bridging Pit Gauge Basic

    • Manufacturer: Western Instruments
    related

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    N88-11P
    Jr. Bridging Pit Gauge Plus
    • Manufacturer: Western Instruments
    related

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    N88-11S
    Jr. Bridging Pit Gauge Super

    • Jr. Bridging Pit Gauge Super - up to 27 inches (686 mm) long
    related


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    Downloads
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    Western Instruments Jr. Bridging Pit Gauge® N88-11 - Data Sheet
    Western Instruments Jr. Bridging Pit Gauge® N88-11 - Kit Content Details


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