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For Over 150 Years, The Standard of Accuracy
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Universal Supermicrometer - Model 501, 504
The definitive bench micrometer, the Universal Supermicrometer® (USM), offers the advantage of being two instruments in one, by providing the ability to measure both internal and external parts, gages or standards. Additionally, as a high precision, direct-reading metrology instrument, it is equally capable of checking critical components such as shafts, bores, O-rings, or just about any ID/OD part. The USM digital bench micrometer can serve as both the heart of your in-house gage calibration needs and a high accuracy part inspection system.
Universal Supermicrometer® measures:
- Length standards
- External threads
- Plugs & pins
- Plain ring gages
- Dial, digital and test indicators
- Gears / Splines
- Tapered pipe threads / API
- Your Precision Part
Features & Benefits of the Universal Supermicrometer®:
- Two models to choose from -
Multi-axis (Model 504: part # U307000) - Measurement table includes swivel, center, tilt and elevation adjustments. The Model 504 is a direct replacement to the obsolete Internal Supermicrometer Model TG2100 and G2100. Single-axis (Model 501: part # U307042) - Measurement table includes elevation adjustment.
- Mechanical and Thermal Stability – A rugged cast iron base and thermally stable composite materials insure repeatable and reproducible results
- Linear Encoder with Zero Abbe Offset – A high precision glass scale located along the measurement axis eliminates Abbe offset errors that reduce overall measurement uncertainty
- "Variable Attitude" Measurement Table – Vertical table adjustment is provided on all instruments. Multi-axis measurement table available on Model 504
- Variable Force – Ranging from -8 to +40 ozf [-226 to +1134 g]
- Touch Screen Operator Interface – LCD touch screen computer can be positioned to accommodate each operator's needs
- GageCal® control software – Microsoft Windows® based software reduces data entry, eliminates transcription errors, and speeds up measurements of your digital Super Micrometer. GageCal automatically enters tolerances for rings, plugs, pins, threads (calculates pitch/major diameter) and flags out-of-tolerance conditions.
- Two Point Calibration – Mastering with two, NIST traceable blocks, allows continuous, accurate measurement over the full direct reading range. This provides significantly higher levels of productivity when compared to single point comparators.
- Flexible Fixturing – Pratt & Whitney's bi-directional probes (US Patent) and flat anvils are standard accessories. The bid-directional probes allow for both internal and external measurement without time consuming set-up changes. V-groove fixturing provides repeatable probe positioning.
- Auto Zero Mode - Allows measurements to be taken at great speed, increasing throughput, without compromising accuracy.
- Part Temperature Compensation - A sensor is provide to monitor the temperature of the specimen
- Dual Measurement - Switches between English and Metric units without recalibration
Specifications:
| Units |
English |
Metric |
| Accuracy |
10 + 0.7 L Micro-inches (± 2 std dev) |
0.25 + 0.7 L / 1000 Microns (± 2 std dev) |
| Repeatability |
4 Micro-inches (± 2 std dev) |
0.1 Microns (± 2 std dev) |
| Resolution |
1 Micro-inch |
0.025 Microns |
Measurement Range Standard) External(Bi-Directonal Probes): External(Flat Probes): Internal(Bi-Directional Probes): |
0-11 inches 0 to 5 inches 1.0 to 11.5 inches |
0 to 279 mm 0 to 27 mm 25 to 292 mm |
| Direct Reading Range |
2 inches |
50 mm |
Measuring Force External: Internal: |
2 to 40 ozf 2 to 8 ozf |
57 to 1134 gf 57 to 226 gf |
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