0-30mm Digital Inside Caliper Gauge for Measuring Bores and Internal Groove
Product Description
Digital inside caliper gauge is precision inside caliper gauge equipped with a digital indicator and spring-loaded arms fixed to the digital indicator
that measures inside dimensions. It mainly used to measure the internal diameter of objects with high accuracy and repeatability. The digital display
can indicate both metric and inch measurement.
Electronic digital caliper gauge are manufactured with high-quality materials and precise processes for high durability and stability.
Even in harsh working environments, it can maintain stable operation for a long time.
Internal digital caliper gauge is a reliable and essential tool for anyone who needs to measure the internal diameter of objects with precision
and accuracy. Their digital readout display provides a fast and accurate way to obtain measurements, making them ideal for applications where time
and precision are both important factors.
Key Features
- Large LCD digital display for easy reading.
- Measures bores, internal grooves, and hard-to-reach inside dimensions.
- Dial rotates ±170° for use at various angles.
- Maintains absolute measurement data after battery change.
- Digital and analog display with automatic switching.
- Analog display range: ±20 graduation.
- Available in A type and B type measuring face options.
- Power ON/OFF function.
- ABS and INC conversion.
- Metric and Inch conversion.
- Origin data set capability.
- Tolerance setting function.
- Data memory for max/min values and display hold.
- Data output capability.
- Supplied in fitted protective case.
Technical Specifications
Metric Models
| Order No. |
Range |
Resolution |
Accuracy |
Measuring Contact Forms |
| KM-320A-25 |
5~25mm |
0.005mm |
0.03mm |
 |
| KM-320A-30 |
10~30mm |
0.005mm |
0.03mm |
| KM-320A-40 |
20~40mm |
0.005mm |
0.03mm |
| KM-320A-50 |
30~50mm |
0.005mm |
0.03mm |
| KM-320A-60 |
40~60mm |
0.005mm |
0.03mm |
| KM-320B-30 |
10~30mm |
0.005mm |
0.03mm |
 |
| KM-320B-40 |
20~40mm |
0.005mm |
0.03mm |
| KM-320B-50 |
30~50mm |
0.005mm |
0.03mm |
| KM-320B-60 |
40~60mm |
0.005mm |
0.03mm |
Inch Models
| Order No. |
Range |
Resolution |
Accuracy |
Measuring Contact Forms |
| KM-320A-1.0 |
0.2~1.0″ |
0.0002″ |
0.0012″ |
 |
| KM-320A-1.2 |
0.4~1.2″ |
0.0002″ |
0.0012″ |
| KM-320A-1.6 |
0.8~1.6″ |
0.0002″ |
0.0012″ |
| KM-320A-2.0 |
1.2~2.0″ |
0.0002″ |
0.0012″ |
| KM-320A-2.4 |
1.6~2.4″ |
0.0002″ |
0.0012″ |
| KM-320B-1.2 |
0.4~1.2″ |
0.0002″ |
0.0012″ |
 |
| KM-320B-1.6 |
0.8~1.6″ |
0.0002″ |
0.0012″ |
| KM-320B-2.0 |
1.2~2.0″ |
0.0002″ |
0.0012″ |
| KM-320B-2.4 |
1.6~2.4″ |
0.0002″ |
0.0012″ |
Applications
Digital inside caliper gauges are suitable for the measurement of inside dimensions in various industries, such as mechanical manufacturing,
metal manufacturing, automobile manufacturing, aerospace and so on.
Usage Precautions
- Do not subject the gauge to blows or knocks.
- Do not drop the gauge or apply excessive force.
- Do not disassemble the gauge.
- Do not press buttons with pointed objects.
- Avoid direct sunlight and extreme temperatures.
- Keep away from strong magnetic fields and high voltage.
- Clean with soft cloth only - no organic solvents.
- Remove battery for long-term storage.
Frequently Asked Questions
Who are we?
Deko Corporation specializes in the development, manufacture and marketing of KM brand precision measuring tools in China mainland.
What products do we carry?
Dial indicators, micrometers, calipers, bore gauges, height gauges, dial thickness gauges, depth gauges, bevel protractors,
gauge blocks, levels, and more.
What are the terms of trade?
We support FOB, CFR, CIF, EXW.
What are the forms of payment?
We accept T/T, L/C, D/A, D/P, PayPal, Western Union.
Do we accept customization?
Yes, OEM services are available.
How about after-sales service?
All products come with a one-year warranty. Defective parts will be replaced promptly. Our strict calibration and inspection processes
ensure reliable product quality.