Moore & Wright Micrometer - 50-75mm
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Product Information
Full details
This Moore & Wright 50-75mm external micrometer (MW200-03) is for engineers, machinists, and quality control professionals who require precise external measurements. Its key benefit is accuracy with a 0.01mm resolution and durable tungsten carbide measuring faces. A potential caveat is its specific measurement range, requiring other micrometers for different sizes.
All features
| Model Part Number | MW200-03 |
|---|---|
| Brand | Moore & Wright |
Extended Product Information
FAQs
What is the measurement range of this micrometer?
This Moore & Wright micrometer has a measurement range of 50mm to 75mm.
What is the accuracy of the MW200-03 micrometer?
The micrometer has a resolution of 0.01mm, indicating a high level of precision for its measurements.
What material are the measuring faces made of?
The measuring faces are made of tungsten carbide, known for its hardness and resistance to wear.
What does the constant force ratchet do?
The constant force ratchet ensures that a consistent measuring force is applied to the workpiece, leading to more reliable and repeatable measurements, regardless of who is using the tool.
Can this micrometer be used for internal measurements?
No, this is an external micrometer designed specifically for measuring outside dimensions. It cannot be used for internal diameters or depths.
What is included with the micrometer?
The micrometer is supplied in a protective plastic case and includes a setting standard and an adjusting key.
How do I maintain the micrometer?
Clean the measuring faces and scale with a soft, lint-free cloth after each use. Store it in its case and perform regular calibration checks.
Troubleshooting
Micrometer not zeroing correctly
Ensure the measuring faces are clean and parallel. Close the jaws gently and adjust using the ratchet mechanism. If it still won't zero, check for damage or dirt on the spindle or anvil, and consider recalibration.
Difficulty turning the thimble
Check for any debris or damage on the spindle threads. Ensure the locking lever is not engaged. If the issue persists, the internal mechanism may require professional servicing.
Scale markings are difficult to read
Ensure the scale is clean and free from oil or dirt. Use adequate lighting. The satin chrome finish is designed to reduce glare, but improved ambient light can help.
Measurements seem inconsistent
Verify the constant force ratchet is being used correctly. Ensure the object being measured is clean and stable. Check that the micrometer's measuring faces are clean and parallel to the surface being measured.
Pros and Cons
Pros
- High accuracy with 0.01mm resolution.
- Durable tungsten carbide measuring faces.
- Ergonomic and insulated grip for comfort and safety.
- Tapered design for improved accessibility.
- Constant force ratchet ensures consistent measurements.
- Includes a case and calibration tools.
Cons
- Limited to a 50-75mm measurement range.
- May be heavier than non-insulated models.
- Requires careful handling to maintain calibration.
- Not suitable for internal or depth measurements.
Setup, Compatibility & Care
Setup:
- Unpack the micrometer from its case, ensuring all components are present.
- Before first use, inspect for any shipping damage.
- Familiarize yourself with the locking lever and ratchet mechanism.
Compatibility:
- This is a manual measuring instrument and does not have digital output. It is compatible with standard metrology practices.
- Designed for measuring external dimensions only.
Care:
- Cleaning: After each use, wipe the measuring faces and scale with a clean, soft, lint-free cloth. Avoid using solvents that could damage the finish or markings. A slightly damp cloth can be used if necessary, followed by drying.
- Storage: Store the micrometer in its original case to protect it from dust, moisture, and impact. Ensure the measuring faces are slightly apart when stored.
- Calibration: Regularly check calibration using the provided setting standard. If readings are consistently off, recalibration by a qualified technician may be necessary.
- Handling: Avoid dropping the instrument or applying excessive force. Keep the insulated grip clean and dry.