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For Over 150 Years, The Standard of Accuracy
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External Supermicrometer C - Model C250, C375, C500, C625
If you're looking for a direct-reading bench micrometer and an electronic size comparator for use in the calibration laboratory or on the production floor , look no further – the third-generation External SuperMicrometer® Model C provides durability, digital accuracy, speed of measurement, and range of applications. The External SuperMicrometer Model C is the industry standard 3-Wire Thread Measuring System.
Features & Benefits of the External Supermicrometer® Model C:
- Heavy-duty cylindrical bed – Chromium-plated cylinder ensures long life and performance integrity and the rack and pinion drive eliminates movement during the measuring cycle
- Adjustable pressure tailstock – Exclusive Electrolimit® tailstock offers adjustable pressure from 2 to 48 ounces (50 to 1350 g) for reliability and optimum performance of your Supermike. Adjustable pressure is required for thread gage calibration and using 3-wires for Pitch Diameter (PD) measurement.
- Carbide-tipped measuring spindles – Non-rotating measuring spindles have long life, corrosion-free lapped anvils and are calibrated to ultra finish and precision. A must for measuring thousands of pins or precision components.
- Elevating table – Adjustability allows for presentation of the part to the instrument in a non-influencing manner
- Direct-reading, microprocessor-based digital display – Easy-to-read digital display provides direct reading in inch or metric units. Serial/RS 232 port is included.
- Calibrated analog meter – Establishes the reference zero for taking direct measurements from the microprocessor-based digital display
- Digital module – Divides the measurement into 0.000010 inch (0.25 micron) increments for high resolution. If higher resolution is needed,the Model PC Supermic bench micrometer has 0.000001 inch (0.025 micron) resolution.
- Optional GageCal® software – Microsoft Windows® based software reduces data entry, eliminates transcription errors, and speeds up measurements of your digital Supermicrometer. GageCal automatically enters tolerances for taper threads (API), plugs, pins, straingt threads (calculates pitch/major diameter) and flags out-of-tolerance conditions. The most widely used bench micrometer software!
Specifications:
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Model / Part # |
C-250 U302566 |
C-375 U306001 |
C-500 U305989 |
C-625 U 306005 |
| Units |
English |
Metric |
English |
Metric |
English |
Metric |
English |
Metric |
| Accuracy |
20 µinch |
0.5 µm |
20 µinch |
0.5 µm |
20 µinch |
0.5 µm |
20 µinch |
0.5 µm |
| Repeatability |
10 µinch |
0.3 µm |
10 µinch |
0.3 µm |
10 µinch |
0.3 µm |
10 µinch |
0.3 µm |
| Measurement Range |
0-10 inches |
0-250 mm |
0-15 inches |
0-375 mm |
0-20 inches |
0-500 mm |
0-25 inches |
0-625 mm |
| Direct Reading Range |
1 inch |
25 mm |
1 inch |
25 mm |
1 inch |
25 mm |
1 inch |
25 mm |
| Measuring Force |
2-48 oz. |
50-1350 g |
2-48 oz. |
50-1350 g |
2-48 oz. |
50-1350 g |
2-48 oz. |
50-1350 g |
*0-40 inch (0-1000mm) measurement range Model C1000 also available
NEW Accessory / Upgrade - Digital Tailstock Meter:
- Compatible with Model B, C, or PC Supermicrometer
- 1 millionth of an inch resolution [0.000001 inch (0.025 micron)]
Retrofit - Model B, Model C, Model PC
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