# Unit LM320D Digital Protractor and Inclinometer

**URL:** https://aio.lv/en/product--unit-lm320d--12478395
**Data updated:** 2026-05-22 07:21 (EEST)
**Category:** Measuring tools
**Manufacturer:** Unit
**Manufacturer code:** LM320D
**EAN:** 6935750532430
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unit-lm320d--12478395

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The Unit LM320D is a precise digital protractor and inclinometer designed for accurate angle measurement and leveling tasks. This compact tool features a clear digital display for easy reading, making it ideal for construction, woodworking, and metalworking applications. It provides reliable performance for professionals and DIY enthusiasts requiring exact angular alignment and surface inclination data.

## Long description

The Unit LM320D Digital Protractor and Inclinometer is a precision instrument engineered for accurate angle measurement and surface leveling. This compact device is designed to provide reliable data for professionals and DIY enthusiasts alike, ensuring exact angular alignment in various technical projects. Featuring a durable aluminum frame and a clear, backlit digital display, it offers high visibility and ease of use in diverse working environments.
Advantages
The device stands out due to its high-precision measurement capabilities across a 4x90° range, which allows for versatile application in complex assembly tasks. Its double-sided magnetic base provides secure attachment to metal surfaces, facilitating hands-free operation and stability. The inclusion of a rechargeable battery ensures long-lasting performance, while the automatic screen rotation feature enhances readability regardless of the device's orientation. Furthermore, the support for multiple measurement units makes it a flexible tool for international standards and diverse project requirements.
Suitable for
Construction and renovation projects
Woodworking and furniture assembly
Metalworking and fabrication
Machine leveling and equipment installation
DIY home improvement tasks
This tool may not be suitable for high-precision laboratory measurements requiring sub-degree accuracy beyond its specified tolerance. It is also not intended for use in extreme industrial environments involving high temperatures, corrosive chemicals, or heavy vibrations that could interfere with the internal sensor calibration.
Key specifications
Measurement range: 4 x 90°
Resolution: ±0.05°
Accuracy: ±0.2°
Measurement units: °, %, mm/m, in/ft
Battery capacity: 1000 mAh rechargeable
Operating time: Up to 14 hours
Features: Relative and absolute measurement, Data Hold, automatic screen rotation, backlight
Base: Double-sided magnetic
Dimensions: 83.5 x 70 x 35.5 mm
Weight: 180 g
To use the Unit LM320D, power on the device and place the magnetic base firmly against the surface you wish to measure. The display will immediately show the current angle. You can toggle between absolute and relative measurement modes to set a reference point as needed. The Data Hold function allows you to freeze the reading on the screen for easier recording in tight spaces, while the automatic screen rotation ensures the numbers remain upright for the user.
What to consider before purchase
Verify that the measurement range meets your specific project requirements.
Ensure the magnetic base is compatible with the materials you typically work with.
Consider the need for periodic calibration if used in professional settings.
Check the dimensions to ensure the device fits into your intended workspace.
For optimal performance, keep the sensor surface clean and free of debris. Charge the device fully before extended use to ensure the 14-hour battery life is maintained. Store the inclinometer in a dry, protective case when not in use to prevent damage to the display or internal components.

## FAQ

### How much does the Unit LM320D Digital Protractor cost, and is it available for purchase?

The price is 22.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 57 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 22.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Unit products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Unit service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12478395/68799315_large.webp