1. Introduction
This manual provides essential information for the safe and effective use of the Mitutoyo Digital Indicator ID-C112GXB2. Please read this manual thoroughly before operating the instrument and retain it for future reference. This instrument is designed for precise internal diameter measurements and features advanced functions for data analysis.
2. Product Overview
The Mitutoyo Digital Indicator ID-C112GXB2 is a high-precision digital measuring instrument. It incorporates minimum value detection and tolerance judgment functions, making it ideal for internal diameter measurements when used with compatible Mitutoyo cylinder gauges. The device features a wide LCD screen, an analog bar display for easy peak finding, and a user-friendly interface with five buttons, status icons, and key assist display.
Figure 1: Mitutoyo Digital Indicator ID-C112GXB2. This image shows the front view of the digital indicator, highlighting its large LCD screen and control buttons.
Key features include:
- Minimum value detection for internal diameter measurements.
- Tolerance judgment function.
- Simple operation via five buttons and key assist display.
- Large LCD screen and analog bar display.
- Memory for up to 3 sets of master reference values and tolerance settings.
- PC connectivity for parameter settings via optional kit and software.
3. Setup
3.1 Unpacking and Inspection
- Carefully remove the digital indicator and its accessories from the packaging.
- Verify that all components are present: Digital Indicator ID-C112GXB2, Carbide ball contact point (7.3mm), Flat back cover (for 55.6/57mm outer frame diameter), and Lithium-ion battery (pre-installed or included).
- Inspect the instrument for any visible damage. If damage is found, do not use the instrument and contact your supplier.
3.2 Battery Installation/Activation
The ID-C112GXB2 uses one Lithium-ion battery. If the battery is not pre-installed or needs replacement:
- Locate the battery compartment cover on the back of the indicator.
- Use a suitable tool to open the cover.
- Insert the Lithium-ion battery, ensuring correct polarity (+/-).
- Securely close the battery compartment cover.
3.3 Attaching Accessories
To prepare the indicator for measurement:
- Attach the appropriate contact point (e.g., the included carbide ball contact point) to the spindle.
- Secure the flat back cover if required for your measurement setup.
- Mount the digital indicator onto a compatible Mitutoyo cylinder gauge or other measuring stand. Ensure it is firmly secured to prevent movement during measurement.
4. Operating Instructions
4.1 Power On/Off
- To power on: Press the ON/OFF button.
- To power off: Press and hold the ON/OFF button until the display turns off.
4.2 Zero Setting
Before measurement, set the zero point:
- Bring the contact point into contact with the master reference surface or object.
- Press the ZERO button to set the current position as zero.
4.3 Measurement Mode Selection
The indicator supports various measurement modes. Refer to the key assist display for guidance.
- Minimum Value Detection: Activate this mode to automatically detect and hold the minimum measured value, crucial for internal diameter measurements.
- Tolerance Judgment: Set upper and lower tolerance limits. The indicator will display an alert if the measurement falls outside these limits.
4.4 Data Output
The ID-C112GXB2 can output measurement data to external devices. Use the data output port and compatible cables (sold separately) to connect to a PC or data processor. Refer to the optional parameter setup kit manual for detailed PC connectivity instructions.
5. Maintenance
5.1 Cleaning
- Wipe the instrument with a soft, dry cloth after each use.
- For stubborn dirt, use a cloth lightly dampened with a neutral detergent. Do not use organic solvents (e.g., thinner, benzene) as they may damage the instrument.
- Ensure no liquids enter the display or button areas.
5.2 Storage
- Store the indicator in a clean, dry place, away from direct sunlight, high temperatures, humidity, and dust.
- Avoid storing in areas with strong vibrations or magnetic fields.
- If storing for an extended period, remove the battery to prevent leakage.
5.3 Battery Replacement
When the battery indicator appears on the display, replace the battery promptly to ensure accurate operation. Follow the battery installation steps in Section 3.2.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display does not turn on | Battery depleted or incorrectly installed | Replace or re-install battery correctly. |
| Inaccurate readings |
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| Buttons unresponsive | Temporary software glitch | Remove and re-insert battery to reset the device. |
| Data output not working |
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7. Specifications
| Parameter | Value |
|---|---|
| Model Number | ID-C112GXB2 |
| Measuring Range | 12.7 mm |
| Minimum Display Value | 0.001 mm, 0.01 mm |
| Maximum Measuring Force | 1.5 N |
| Hysteresis Error | 0.002 mm |
| Indication Error (Full Range) | 0.003 mm |
| Repeatability | 0.002 mm |
| Protection Level | IP42 |
| Stem Diameter | φ8 mm |
| Position Detection Method | Electrostatic Capacitance Type Absolute Linear Encoder |
| Mass | 170 g |
| Product Weight (packaged) | 350 g |
| Package Dimensions | 18.9 x 11.2 x 7.7 cm |
| Battery Type | Lithium-ion (1 included) |
| Accessories Included | Carbide ball contact point (7.3mm) x1, Flat back cover (for 55.6/57mm outer frame diameter) x1 |
8. Warranty and Support
8.1 Warranty Information
Mitutoyo products are manufactured to high standards and are warranted against defects in materials and workmanship. The specific warranty period and terms may vary by region and product. Please refer to the warranty card included with your product or contact your local Mitutoyo distributor for detailed warranty information.
8.2 Technical Support
For technical assistance, troubleshooting beyond this manual, or inquiries regarding repairs and spare parts, please contact your authorized Mitutoyo dealer or the Mitutoyo customer service center in your region. When contacting support, please have your product model number (ID-C112GXB2) and serial number ready.
You can find contact information for Mitutoyo worldwide at their official website: www.mitutoyo.co.jp/eng/
