Western Instruments N88-3-I Basic Plus Pit Depth Gauge, Inch Dial Indicator, Center Mount 3.5" Blade, for Measuring Corrosion and Material Loss
$573.00
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Product Description
Western Instruments N88-3 Basic Plus Pit Depth Gauge, 3.5" Blade, Measures Corrosion & Material Loss
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)
Center-mount 3.5" (89 mm) Blade
Available with dial or digital indicators
Height Zeroing
Zeroing a Digital Indicator
Indicator Positioning
Measuring Corrosion (Depth)
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)
Center-mount 3.5" (89 mm) 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
Kit Contents
- Western Instruments N88-3 Basic Plus Pit Gauge
- Centre mount 3.5" (89mm) Blade
- Operator Instructions
- Carrying Case
Features
Zeroing Dial Indicator
- 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.
Click image to enlarge
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.
Click image to enlarge
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.
Click image to enlarge
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.
Click image to enlarge
Specifications
Dial and Digital Indicators
 |  |  | |
| Model | Imperial Dial Indicator | Metric Dial Indicator | Digital Indicator |
| Range | 0.0-0.5" | 0.0-12.7 mm | 0.0-0.5" |
| Resolution | 0.001" | 0.01 mm | 0.0-12.7 mm |
| Dial Diam. | 1.4" | 35.5 mm | 56 mm, 2.2" |
Measuring Corrosion (Depth)
 |  |  | |
| Model | 1-Standard Tip | 2-Conical Tip | 3-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 specialdial 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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N88-2
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Basic Pit Gauge Center Mount 2.5" (64 mm) Blade
- N88-2 Basic Pit Gauge Center Mount 2.5" (64 mm) Blade
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- 4.75" (121mm) Blade. End Mount Dial Indicator with Nose Cutout.
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Reference Pit Gauge
- 5.5 (140mm) long, 0.75 (19mm) wide with inverted V Edge, 2 magnet cartridges. Similar and interchangeable with Bridging Pit Gauge Main Blade.
Downloads
 | Western Instruments N88-3 Basic Plus Pit Gauge Centre Mount 3.5" (89 mm) Blade - Literature |
| Western Instruments N88-3 Basic Plus Pit Gauge Centre Mount 3.5" (89 mm) Blade - Data Sheet |
