1. Prodotto finitoview
The Preciva 6 Inch Digital Caliper is a versatile and high-precision measuring instrument designed for both DIY enthusiasts and professional use. It offers a measurement range of 0-6 inches (0-150mm) with a resolution of 0.01”/0.1mm and an accuracy of ±0.2mm/0.01”. This digital caliper features a large LCD screen for clear readings, IP54 waterproof rating for durability, and convenient inch/metric/fraction conversion. Its auto-off function helps conserve battery life.

Figure 1: Preciva 6 Inch Digital Caliper
Caratteristiche principali:
- Alta precisione: 0-6 inch (0-150mm) range, 0.01”/0.1mm resolution, ±0.2mm/0.01” accuracy.
- 4-in-1 Measuring Modes: Capable of measuring inside diameter, outside diameter, depth, and step.
- Conversione dell'unità: Seamlessly switch between inches, millimeters, and fractions.
- Ampio schermo LCD: Provides clear, instant readings.
- IP54 impermeabile: Offre protezione contro polvere e spruzzi d'acqua.
- Funzione di spegnimento automatico: Automatically shuts down after 5 minutes of inactivity to save battery.
- Impostazione zero: Allows for differential measurements at any point.
2. Identificazione delle parti
Familiarize yourself with the components of your digital caliper:

Figure 2: Digital Caliper Labeled Parts
- Misurazione del gradino: Used for measuring steps or differences in height.
- Inside Measuring Jaws: Utilizzato per misurare le dimensioni interne.
- Copertina: Protettivo casing for internal components.
- mm/in Change Button: Toggles between millimeter, inch, and fraction units.
- Schermo LCD: Mostra le letture delle misurazioni.
- Outside Measuring Jaws: Utilizzato per misurare le dimensioni esterne.
- Power On and Off Button: Turns the caliper on or off.
- Zero Setting Button: Resets the display to zero at any position.
- Tappo batteria: Copre il vano batterie.
- Scala: Provides a visual reference for measurements.
3. Impostazione
3.1 Installazione della batteria
Your Preciva Digital Caliper comes with a pre-installed CR2032 battery and a spare. Before first use, ensure the white insulating tab is removed from the battery compartment. For long-term storage, it is recommended to reinsert this tab to prevent battery drain.
- Locate the battery cap (9) on the digital display unit.
- Slide the battery cap open.
- Remove the white insulating tab if present.
- Inserire la batteria CR2032 con il lato positivo (+) rivolto verso l'alto.
- Chiudere bene il tappo della batteria.

Figura 3: Installazione della batteria
3.2 Accensione iniziale e azzeramento
After installing the battery, press the 'ON/OFF' button (7) to power on the caliper. Close the measuring jaws completely and press the 'ZERO' button (8) to set the display to zero. This ensures accurate measurements.
4. Istruzioni per l'uso
4.1 Misurazione di base
- Turn on the caliper by pressing the 'ON/OFF' button (7).
- Ensure the jaws are closed and press 'ZERO' (8) to set the display to zero.
- Slide the measuring jaws to the desired position using the thumb roller or by hand.
- Read the measurement directly from the large LCD display (5).

Figure 4: Measurement Demonstration (External, Internal, Depth, Step)
4.2 Unit Conversion (mm/inch/Fraction)
To switch between measurement units (millimeters, inches, or fractions), simply press the 'mm/inch/F' button (4). The display will cycle through the available units.

Figure 5: Unit Conversion Button
4.3 Zero Setting for Differential Measurements
The 'ZERO' button (8) allows you to reset the display to zero at any point along the scale. This is useful for measuring differences in dimensions or for setting a reference point.

Figure 6: Zero Setting Function
4.4 Spegnimento automatico
The caliper will automatically turn off after approximately 5 minutes of inactivity to conserve battery power.

Figura 7: Funzione di spegnimento automatico
4.5 Dimostrazioni video
Digital Caliper Features Overview
Video 1: This video demonstrates various features of a digital caliper, including battery status, Type-C charging (if applicable to model), single-side operation, thumb roller use, switching between units (inches, millimeters, fractions), instant zero function, and different measurement types (external, internal, depth, step), as well as the auto-off feature.
Digital Caliper Unboxing and Basic Use
Video 2: This video provides an unboxing experience for a digital caliper and demonstrates its basic operation, including how to power it on, switch between measurement units, and take simple measurements.
5. Manutenzione
5.1 Pulizia
- Wipe the caliper with a clean, dry cloth after each use.
- Avoid using organic solvents or harsh chemicals, as these can damage the electronic components or the display.
- Ensure no liquids enter the electronic module.
5.2 Cura della batteria
- If the display shows abnormal readings or no display, replace the CR2032 battery.
- For extended storage (over 3 months), remove the battery or reinsert the white insulating tab to prevent discharge.
5.3 Conservazione
- Store the caliper in its protective case when not in use.
- Keep it in a dry environment, away from direct sunlight, high humidity, and extreme temperatures.
6. Risoluzione Dei Problemi
| Problema | Possibile causa | Soluzione |
|---|---|---|
| No display or flickering display | Batteria scarica o non installata correttamente. | Replace the CR2032 battery or ensure it is correctly seated. |
| Letture imprecise | Dirt or debris on the measuring surfaces or scale. | Clean the measuring surfaces and scale with a dry, lint-free cloth. Ensure jaws are closed and re-zero the caliper. |
| Caliper does not turn on | Battery is dead or missing. | Installare una nuova batteria CR2032. |
| Jaws do not slide smoothly | Dust or foreign particles on the sliding mechanism. | Clean the sliding surfaces thoroughly. Avoid applying lubricants. |
7. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Campo di misura | 0-6 pollici (0-150 mm) |
| Risoluzione | 0.01" / 0.1mm |
| Precisione | ±0.2mm / 0.01” |
| Materiale | Plastic (Carbon Fiber Composite) |
| Display | Grande schermo LCD |
| Fonte di alimentazione | 1 batteria CR2032 (inclusa) |
| Auto-Off | Dopo 5 minuti di inattività |
| Grado di protezione IP | IP54 (Waterproof, Anti-dust, Anti-corrosion) |
| Peso dell'articolo | 40 grammi |
| Dimensioni del pacco | Dimensioni: 28.2 x 9.8 x 1.9 cm |
8. Garanzia e supporto
8.1 Informazioni sulla garanzia
For specific warranty details regarding your Preciva Digital Caliper, please refer to the warranty card included with your product or contact Preciva customer support directly. Warranty terms typically cover manufacturing defects for a specified period from the date of purchase.
8.2 Assistenza clienti
If you encounter any issues or have questions about your Preciva Digital Caliper, please contact Preciva customer support. Contact information can usually be found on the product packaging, the official Preciva websito o tramite il tuo rivenditore.