HC-D66 - Measurement Vevor - Free user manual and instructions
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| Product Type | Digital Caliper |
| Measurement Range | 0-150 mm / 0-6 in |
| Resolution | 0.01 mm / 0.0005 in |
| Accuracy | ±0.02 mm |
| Display | LCD, 5-digit |
| Power Supply | 1 x CR2032 battery (included) |
| Material | Stainless steel body |
| Measurement Functions | Inside, outside, depth, step |
| Unit Conversion | Metric/Imperial (mm/in) switchable |
| Zero Setting | One-button zero at any position |
| Protection Rating | IP54 dust and splash resistant |
| Auto Power Off | Yes, after 5 minutes of inactivity |
| Operating Temperature | 0-40°C (32-104°F) |
| Dimensions | Approx. 235 x 80 x 15 mm |
| Weight | Approx. 150 g |
| Included Accessories | Carrying case, battery, user manual |
| Maintenance | Clean with a soft dry cloth; store in a dry place |
| Safety | Do not drop or expose to extreme moisture; remove battery if unused for long periods |
| Spare Parts & Repairability | Battery is replaceable; calibration can be performed with a standard gauge |
Frequently Asked Questions - HC-D66 Vevor
How do I change the battery in the Vevor HC-D66 digital caliper?
Open the battery compartment on the back of the caliper, remove the old CR2032 battery, and insert a new one with the positive side facing up. Close the compartment and test the display.
Why does my caliper show inaccurate measurements?
Incorrect measurements can result from a worn or dirty measuring surface, low battery, or the caliper being dropped. Clean the jaws with a soft cloth, ensure the display is stable, and perform a zero reset before use. For high precision, check calibration against a known standard.
How do I reset the zero position?
Close the jaws completely and press the ZERO button. The display should show 0.00. You can also set zero at any other position for comparative measurements.
What is the maximum measurement range of the HC-D66?
The HC-D66 has a measuring range of 0-150 mm (6 inches), suitable for most workshop, mechanical, and hobby measurements.
Can I measure depth with this caliper?
Yes, the caliper has a depth rod at the end of the main scale. Use it to measure the depth of holes or slots by extending the rod until it touches the bottom.
How do I switch between millimeters and inches?
Press the mm/inch button on the caliper to toggle the display between metric and imperial units. The selected unit will be shown on the LCD.
Is the Vevor HC-D66 waterproof?
The caliper has an IP54 rating, meaning it is protected against dust and splashing water. It is not designed for submersion or heavy moisture. Wipe it dry immediately if exposed to water.
Why does the display turn off automatically?
To save battery, the caliper has an auto power-off feature that activates after 5 minutes of inactivity. Press any button to wake it up, and the last displayed value will reappear.
How should I clean and maintain the caliper?
Use a soft, dry cloth to wipe the jaws, body, and depth rod. Do not use harsh solvents or submerge the tool. Store it in the provided protective case and avoid high humidity or extreme temperatures.
What should I do if the display becomes faint or flickers?
A faint display usually indicates a low battery. Replace the CR2032 battery. If the problem persists, check that the battery contacts are clean and the compartment is properly sealed.
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USER MANUAL HC-D66 Vevor
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Product information
Brand : Vevor
Model : HC-D66
Category : Measurement