1. Introduction
This manual provides detailed instructions for the safe and effective use of the Insize Digital Caliper 1112-150. This precision measuring instrument is designed for accurate dimensional measurements in various applications. Please read this manual thoroughly before operation to ensure proper use and to maximize the lifespan of your caliper.
2. Safety Information
- Always handle the caliper with care to avoid dropping or impacting the instrument, which can affect its accuracy.
- Keep the measuring surfaces clean and free from dust, oil, or debris.
- Do not apply excessive force when taking measurements, as this can lead to inaccurate readings or damage.
- Store the caliper in its protective case when not in use to prevent damage.
- Avoid exposing the caliper to extreme temperatures, humidity, or direct sunlight.
3. Product Overview
The Insize Digital Caliper 1112-150 is an electronic vernier caliper made from hardened stainless steel, offering precise measurements up to 150 mm or 6 inches.
Figure 3.1: Insize Digital Caliper 1112-150 showing its main components including the digital display and measuring jaws.
Key Components:
- External Measuring Jaws: Used for measuring outside dimensions.
- Internal Measuring Jaws: Used for measuring inside dimensions.
- Depth Rod: Used for measuring depths.
- Step Measuring Faces: Used for measuring steps.
- Digital Display: Shows the measurement reading.
- Buttons: Include On/Off, Zero, and Inch/mm conversion.
- Thumb Roller: For fine adjustment of the jaws.
- Locking Screw: To hold the jaws in position.
4. Setup
4.1 Battery Installation
The Insize Digital Caliper 1112-150 requires one LR44 battery, which is included with the product. To install or replace the battery:
- Locate the battery compartment cover on the digital display unit.
- Slide the cover open or remove the screw if present.
- Insert the LR44 battery with the positive (+) side facing upwards.
- Close the battery compartment cover securely.
4.2 Initial Preparation
Before first use, or after prolonged storage, clean the measuring surfaces with a dry, lint-free cloth. Ensure the jaws slide smoothly without any resistance.
5. Operating Instructions
5.1 Power On/Off
- Press the ON/OFF button to turn the caliper on.
- Press the ON/OFF button again to turn the caliper off. The caliper may also automatically shut off after a period of inactivity to conserve battery.
5.2 Zero Setting
To ensure accurate measurements, it is crucial to zero the caliper before use:
- Close the external measuring jaws completely, ensuring they are clean and free of debris.
- Press the ZERO button. The display should now read "0.00" or "0.000".
5.3 Inch/Millimeter Conversion
Press the INCH/MM button to switch between metric (millimeters) and imperial (inches) units of measurement.
5.4 Taking Measurements
Ensure the caliper is clean and zeroed before taking any measurement.
- External Measurement: Place the object between the external measuring jaws. Slide the movable jaw until it firmly contacts the object. Read the measurement on the digital display.
- Internal Measurement: Insert the internal measuring jaws into the opening of the object. Open the jaws until they firmly contact the inner surfaces. Read the measurement on the digital display.
- Depth Measurement: Place the end of the main beam on the top surface of the object. Extend the depth rod until it touches the bottom of the hole or step. Read the measurement on the digital display.
- Step Measurement: Place the step measuring face of the fixed jaw on the higher surface of the object. Extend the movable jaw until its step measuring face contacts the lower surface. Read the measurement on the digital display.
For consistent readings, apply light, consistent pressure and ensure the caliper is perpendicular to the surface being measured.
6. Maintenance
6.1 Cleaning
Regular cleaning is essential for maintaining the accuracy and longevity of your caliper.
- Wipe all surfaces, especially the measuring faces, with a clean, dry, lint-free cloth after each use.
- Do not use solvents or abrasive cleaners, as they can damage the finish or electronic components.
6.2 Storage
When not in use, store the Insize Digital Caliper in its foam-lined protective plastic case. This protects the instrument from dust, moisture, and physical damage.
6.3 Battery Replacement
If the display becomes dim or erratic, it is time to replace the LR44 battery. Follow the instructions in Section 4.1 for battery installation.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display does not turn on. | Dead battery. | Replace the LR44 battery. |
| Display shows erratic readings or 'E' error. | Low battery; dirt/debris on measuring surfaces; electronic interference. | Replace battery; clean measuring surfaces thoroughly; move away from strong electromagnetic fields. |
| Inaccurate measurements. | Caliper not zeroed; dirt on measuring surfaces; improper measuring technique; worn jaws. | Zero the caliper; clean surfaces; review operating instructions; if jaws are worn, consider professional calibration or replacement. |
| Jaws do not slide smoothly. | Dirt or debris in the slide mechanism. | Clean the main beam and sliding surfaces with a dry cloth. Do not lubricate. |
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | 1112-150 |
| Measuring Range | 0-150 mm (0-6 inch) |
| Resolution | 0.01 mm (0.0005 inch) |
| Accuracy | +/- 0.03 mm |
| Material | Hardened Stainless Steel |
| Power Source | Battery Powered |
| Battery Type | 1 x LR44 (included) |
| Product Dimensions | 20L x 15W Centimeters |
| Item Weight | 390 g |
| Included Components | IS11112150 (Caliper unit) |
9. Warranty Information
Specific warranty details for the Insize Digital Caliper 1112-150 are not provided in this manual. Please refer to the product packaging or contact your point of purchase for information regarding warranty coverage and terms.
10. Customer Support
For technical assistance, service, or inquiries regarding your Insize Digital Caliper 1112-150, please contact the authorized Insize distributor or retailer from whom you purchased the product. Ensure you have your model number (1112-150) and purchase details available when contacting support.
