1. Introduction
This instrument is a mechanical inclinometer and angle gauge designed for measuring slope, inclination, and angular alignment in construction and industrial applications. It features a high-visibility dial, integrated spirit level vial, and a strong magnetic base for secure attachment to ferromagnetic surfaces. The housing is made of durable ABS material suitable for on-site working conditions.
For detailed specifications and usage guidelines, please refer to the sections below. A user manual in PDF format is also available for download: User Manual (PDF).
2. Specifications
| Parameter | Specification |
|---|---|
| Type | Slope Meter, Angle Meter |
| Measuring Range | 130°-0°-130°, 0°-90° |
| Resolution (Slope Meter) | ±1° |
| Level Vial | Large horizontal bubble vial |
| Handle (Professional version only) | Rubber-coated grip |
| Shell Material | Durable ABS |
| Magnetic Base | Built-in strong permanent magnets |
| Scale Dial | Enlarged, easy-to-read mechanical dial |
| Leveling (Angle Meter) | Auto-leveling (model dependent) |
| Power Supply | Not required (mechanical instrument) |
| Operating Temperature | Recommended 0°C to 40°C |
Note: Specific features like handle type and auto-leveling may vary by model (Standard, Professional, Basic, Square versions). Please refer to your product packaging for exact details.
3. Setup
3.1. Preparation
- Ensure the measuring surface is clean, flat, and free from debris.
- Check that the bubble vial is intact and the dial is clearly visible.
- If using the magnetic base, confirm the target surface is ferromagnetic to ensure secure attachment.

4. Operation
4.1. General Measurement
- Place the base of the instrument firmly against the surface to be measured.
- For magnetic operation, allow the built-in magnets to securely attach to the metal surface.
- Ensure the instrument body is stable and not subject to vibration during measurement.

4.2. Data Reading
- Observe the position of the pointer against the scale dial to determine the angle or slope value.
- For slope measurement, read the value directly from the 130°-0°-130° scale.
- For angle measurement, read from the 0°-90° scale as applicable.
- Verify that the bubble in the level vial is centered when required for reference leveling.

5. Maintenance
5.1. Cleaning
- Clean the surface with a soft, dry cloth after use.
- Do not use corrosive chemicals or solvents for cleaning.
5.2. Storage
- Store in a dry environment away from direct sunlight and excessive humidity.
- If not used for a long period, keep the instrument in protective packaging to prevent dust accumulation.
- Regularly inspect the bubble vial and scale for damage.
6. Troubleshooting
6.1. Inaccurate Readings
- Ensure the measuring surface is stable and clean. Debris or unstable surfaces can lead to incorrect readings.
- Verify that the bubble vial is centered for reference leveling, if applicable to your measurement.
- Check for any physical damage to the dial or pointer that might affect accuracy.
6.2. Magnetic Base Not Holding
- Confirm that the target surface is ferromagnetic (e.g., steel, iron). The magnetic base will not adhere to non-magnetic materials.
- Ensure the magnetic base is clean and free of debris that could reduce its holding strength.
7. Important Warnings and Precautions
- Magnets: This instrument contains strong permanent magnets. Keep away from pacemakers, other medical implants, and sensitive electronic devices or magnetic storage media. Magnets may attract metal objects unexpectedly and cause pinch hazards.
- Electrical Safety: Do not use near live electrical conductors without proper insulation and safety procedures.
- Physical Damage: Do not expose the instrument to strong impacts or drop it from height.
- Temperature: Avoid using the instrument outside the recommended operating temperature range (0°C to 40°C).
- Modification: Do not disassemble or modify the instrument.
- Children: Keep out of reach of children.
- Water Resistance: This product is not waterproof unless otherwise specified. Avoid exposure to water or excessive moisture.
- Disposal: Follow WEEE directives for electronic and mechanical waste where applicable for proper disposal.
8. User Tips
- For consistent readings, always ensure the instrument is placed firmly and stably on the surface.
- When measuring angles, double-check the bubble vial to confirm the instrument is level for accurate reference.
- Utilize the magnetic base for hands-free operation on metal surfaces to improve efficiency and safety.
- Regularly clean the dial and bubble vial to maintain clear visibility and accuracy.
9. Frequently Asked Questions (FAQ)
- Q: Is the magnetic base strong enough for vertical surfaces?
- A: Yes, the built-in magnets provide a firm and reliable hold on both vertical and horizontal metal surfaces.
- Q: What is the difference between the standard and professional slope meters?
- A: The professional version typically features a rubber-coated handle for better grip and a more precise scale for improved measurement accuracy. Other versions may have slight variations in features.
- Q: Does the angle meter require manual leveling?
- A: Selected angle meter models are equipped with an auto-leveling function for added convenience, reducing the need for manual adjustment.
- Q: What should I do if the readings seem inaccurate?
- A: First, ensure the measuring surface is clean, flat, and stable. Check that the bubble vial is centered. If issues persist, inspect the instrument for any visible damage.
10. Warranty and Support
For any technical assistance, inquiries, or support regarding your CERTEON Angle Finder, please contact us directly:
- WhatsApp: +86-19542723588
- Email: celiachen008@gmail.com
This document is provided for product instruction purposes only and does not constitute legal advice. The seller is responsible for ensuring compliance with destination market regulations.

11. Company Overview
Learn more about the manufacturing and quality processes behind CERTEON instruments: