https://www.abqindustrial.net/store We offer an extensive line of precision measuring and test instrumentation. We continually strive to offer unparalleled VALUE & QUALITY product and service to our valued customers. en Copyright (c) 2026 Albuquerque Industrial info@abqindustrial.net (admin) info@abqindustrial.net (admin) Wed, 10 Jun 2026 20:52:02 +0000 Zen-Cart v. v 2.1.4 14.02.2008 15:26 RSS 2.0 Feed 1440 https://www.abqindustrial.net/store/pit-gauges-c-99/pit-depth-gauges-c-99_9/western-instruments-n88-4-pocket-pit-depth-gauge-1-5-inch-dual-edge-reversible-blade-p-799.html https://www.abqindustrial.net/store/index.php?main_page=product_reviews&products_id=799 Western Instruments N88-4 Pocket Pit Depth Gauge, 1.5" Dual Edge Reversible BladeWestern 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)Center-mount 1.5" (38 mm) Dual Edge Blade (Reversible)Available with dial or digital indicatorsWestern 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 Kit Contents Western Instruments N88-4 Pocket Pit GaugeDual Edge Blade (reversible), 1.5" (38mm) longSpot baseOperator InstructionsCarrying Case Click image for more info Features Zeroing Dial IndicatorTo 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.Click image to enlargeHeight ZeroingLoosen 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.Click image to enlargeZeroing a Digital IndicatorDigital 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.Click image to enlargeIndicator PositioningThe 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.Click image to enlarge Specifications Dial and Digital Indicators ModelImperial Dial IndicatorMetric Dial IndicatorDigital IndicatorRange0.0-0.5"0.0-12.7 mm0.0-0.5"Resolution0.001"0.01 mm0.0-12.7 mmDial Diam.1.4"35.5 mm56 mm, 2.2"Measuring Corrosion (Depth) Model1-Standard Tip2-Conical Tip3-Needle TipDiam.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. Related Products N88L-1Tri-Gauge Pit GaugeLever Type Pit Gauge for Evaluation of Corrosion Click image for more info N88-2Basic Pit Gauge Center Mount 2.5" (64 mm) BladeN88-2 Basic Pit Gauge Center Mount 2.5" (64 mm) Blade Click image for more info N88-3Basic Plus Pit Gauge Centre Mount 3.5" (89 mm) BladeMeasuring Ranges x Resolution: 14mm x 0.01mm, 0.550 x 0.001 inch Click image for more info N88-3M Basic Plus Magnetic Pit GaugeCentre mount c/w Two(2) magnet cartridges. 3.5" (89mm) Blade Click image for more info N88-5Reaching Pit Gauge4.75" (121mm) Blade. End Mount Dial Indicator with Nose Cutout. Click image for more info N88-5MReaching Magnetic Pit Gauge4.75" (121mm) Blade c/w Two(2) magnet cartridges. Click image for more info N88-6Reaching Plus6" (152mm) Blade. End Mount Dial Indicator with Nose Cutout. Click image for more info N88-6MReaching Plus Magnetic Pit Gauge6" (152mm) Blade c/w Two(2) magnet cartridges. Click image for more info N88-12Reference Pit Gauge5.5” (140mm) long, 0.75” (19mm) wide with inverted V Edge, 2 magnet cartridges. Similar and interchangeable with Bridging Pit Gauge Main Blade. Click image for more info Downloads Western Instruments N88-4 Pocket Pit Gauge with 1.5" (38 mm) Dual Edge Blade (Reversible) - LiteratureWestern Instruments N88-4 Pocket Pit Gauge with 1.5" (38 mm) Dual Edge Blade (Reversible) - Data Sheet Albuquerque Industrial https://www.abqindustrial.net/store/pit-gauges-c-99/pit-depth-gauges-c-99_9/western-instruments-n88-4-pocket-pit-depth-gauge-1-5-inch-dual-edge-reversible-blade-p-799.html Thu, 03 Jul 2025 18:03:39 +0000 USD 799 Western Instruments 605 N88-4 https://www.abqindustrial.net/store/images/N88-4-Pocket-imperial.jpg 799 327 /store/images/warranty-1-year-new.png