YATO Digital Outside Micrometer 50-75mm
Key information
Availability:In stock (ready to ship)
Shipping time:immediately
Shipping cost:From 3.28 Euro
catalog number:YT-72308
Availability:
EAN code:5906083122361
Product condition:New, originally packaged
Guarantee:24 months of consumer protection
Weight:0,80 kg
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- Product description
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YATO Digital Outside Micrometer 50-75mm (YT-72308)
A precision measuring tool for determining the external dimensions of mechanical components in the 50-75 mm range. The digital micrometer is fitted with an electronic LCD display, a unit conversion function and a data output for recording systems.
Features of the digital micrometer
Measuring accuracy
An accuracy of ±0.002 mm with a resolution of 0.001 mm means the micrometer detects differences in dimension down to one thousandth of a millimetre. This parameter determines whether the tool is suitable for measuring parts held to IT6-IT8 tolerances, which are typical of precision fits in mechanical engineering.
GCr15 bearing steel construction
After heat treatment, GCr15 steel has a hardness of 60-64 HRC, which gives the measuring faces their wear resistance. The material minimises the risk of plastic deformation during repeated use and maintains dimensional stability over time.
Metric/imperial conversion
Switching between mm and inches makes it possible to work with technical documentation in different standards without having to convert the values. This function is particularly useful when checking parts manufactured to ANSI or ISO standards.
Measurement data output
The ability to transmit results to a computer or SPC (Statistical Process Control) system allows measurements to be documented automatically and production processes to be analysed statistically. This removes transcription errors and speeds up the preparation of inspection records.
Technical specification
| Model | YT-72308 |
| Brand | YATO |
| Measuring range | 50-75 mm |
| Accuracy | ±0.002 mm / ±0.0001" |
| Resolution | 0.001 mm / 0.00005" |
| Material | GCr15 bearing steel |
| Display type | Electronic LCD |
| Power supply | 1.55 V battery (SR44 type) |
| Operating temperature | 5-40°C |
| Storage temperature | -20°C to +60°C |
| Additional functions | mm/inch conversion, zero reset, data output, auto power-off |
Applications of the 50-75mm micrometer
- Measuring the diameters of shafts and journals in the 50-75 mm range in mechanical workshops
- Dimensional inspection of bushes, rings and rotating components
- Checking pipe and profile wall thickness in quality control
- Measurements in metrology laboratories and accredited facilities
- Checking that components match their design documentation dimensionally
- Monitoring cutting tool wear by measuring reference parts
- Calibration and verification of other measuring instruments
- In-process inspection in series production of mechanical components
Measuring range and micrometer type
Outside micrometers are produced in 25 mm increments (0-25, 25-50, 50-75, 75-100 mm and so on). The 50-75 mm model is intended for measuring medium-sized components - larger than standard shafts and smaller than large bushes. When choosing a micrometer, make sure the dimension being measured falls within the instrument's range with a safety margin.
Use and maintenance
Correct measuring procedure
Before measuring, zero the micrometer with the measuring faces closed together. The component being measured should be clean and dry. The spindle pressure is adjusted until a slight resistance is felt - too much pressure can deform the component or affect the accuracy of the reading. The measurement is taken perpendicular to the axis of the component being measured.
Storage conditions
Store the micrometer in its protective case at a temperature between -20°C and +60°C. After use, wipe the measuring faces with a soft cloth and protect them with a thin film of protective oil. The instrument should not be exposed to direct contact with swarf, abrasive dust or corrosive substances.
Calibration and verification
In line with the requirements of quality systems, micrometers used for production inspection should be calibrated every 6-12 months by an accredited laboratory. The accuracy of the readings can be verified using length standards (gauge blocks, setting rings).
Battery and display
The micrometer is powered by an SR44 battery (1.55 V). The auto power-off function extends battery life to around 2,000 hours of operation. Fading contrast on the LCD display indicates that the battery needs replacing. Keeping a spare battery in the workshop is recommended.
Commercial information
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