1. Introduzione
The Walfront VD700 Digital Test Pencil is a versatile tool designed for detecting AC and DC current within a range of 12-250V. It is also capable of identifying zero lines, phase lines, and breakpoints in AC circuits, as well as testing non-live conductors and continuity. Constructed from chrome vanadium alloy steel and ABS insulating plastic, this test pencil offers high hardness, wear resistance, and durability. Its insulated, ergonomic handle ensures comfortable and safe operation.
2. Informazioni sulla sicurezza
WARNING: Always prioritize safety when working with electrical systems. Failure to follow these instructions may result in electric shock, injury, or death.
- Volume massimotage: Non misurare il volume ACtage superiore a 250V.
- Isolamento: The tool features an insulated handle for safety. Ensure your hands are dry and you are not standing in water when using the device.
- Condizione fisica: Do not use the device if the screen is not lit, if there is visible damage, or if the tip is not intact.
- Volume DCtage: Il tester NON rileverà il volumetage se il volumetage è DC.
- Shielded Wires: Il tester NON rileverà il volumetage if the wire is shielded.
- Messa a terra: Il tester NON rileverà il volumetage if the operator is not grounded or is otherwise isolated from the ground.
- Conduit/Insulation: Il tester POTREBBE NON rilevare il volumetage if the wire is partially buried, in a grounded metal conduit, too far from the voltage source, or if the insulation is too thick or incompatible.
- Known Live Circuit: Always test on a known live circuit before use to ensure the tester is functioning correctly.
3. Prodotto finitoview


Caratteristiche principali:
- Materiale: Chrome vanadium alloy steel and ABS insulating plastic for high hardness and durability.
- Voltage Gamma: Detects 12-250V AC and DC current.
- Funzionalità: Simple detection of zero line, phase line, and breakpoints in AC current. Also tests non-live conductors and continuity.
- Design ergonomico: Soft, insulated handle for comfortable and safe use.
- Illuminazione a LED: Integrated LED for improved visibility in low-light environments.
4. Impostazione
Installazione della batteria:
The Walfront VD700 Test Pencil requires 3 AG10 (1.5V) batteries (not included). Follow these steps to install them:
- Unscrew the cap at the top of the test pencil to reveal the battery compartment.
- Insert three AG10 batteries, ensuring correct polarity (+/-).
- Securely screw the cap back onto the test pencil.

5. Istruzioni per l'uso
Voltage Detection (12-250V AC/DC):
- Ensure the test pencil is powered on and functioning correctly.
- Gently touch the tip of the test pencil to the conductor or surface you wish to test.
- The digital display will indicate the detected voltage.
Zero Line, Phase Line, and Breakpoint Detection (AC Current):
- Press the "inductive break point test" button on the test pencil.
- When the charged symbol appears on the display, the line being tested is the phase line.
- To detect a breakpoint in a live circuit, move the test pen along the wire. The point where the charged symbol disappears indicates the breakpoint.
Utilizzando la luce LED:
The integrated LED light can be activated to illuminate dark work areas, enhancing visibility during testing.


6. Manutenzione
- Pulizia: Wipe the test pencil with a dry, clean cloth. Do not use abrasive cleaners or solvents.
- Magazzinaggio: Conservare il dispositivo in un luogo fresco e asciutto, lontano dalla luce solare diretta e da temperature estreme.
- Sostituzione della batteria: Replace batteries when the display becomes dim or the device fails to power on. Ensure correct battery type and polarity.
7. Risoluzione Dei Problemi
- Il dispositivo non si accende: Controllare l'installazione delle batterie e assicurarsi che non siano scariche. Sostituirle se necessario.
- No voltage Rilevamento:
- Ensure the circuit being tested is within the 12-250V AC/DC range.
- Verify the wire is not shielded or in a grounded metal conduit.
- Confirm the test pencil is in close proximity to the voltage fonte.
- Check if the insulation of the wire is too thick for non-contact detection.
- Test the device on a known live circuit to confirm functionality.
- Letture imprecise: Ensure proper contact with the conductor and that environmental factors (e.g., strong electromagnetic fields) are not interfering.
8. Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Marca | Walfront |
| Modello | VD700 |
| Materiale | Chrome vanadium alloy steel and ABS insulating plastic |
| Voltage Intervallo di rilevamento | 12-250V AC and DC |
| Modello della batteria | 3 x AG10 (1.5V) (not included) |
| Dimensioni del prodotto | Dimensioni: 25 x 7 x 2 cm |
| Peso dell'articolo | 0.02 chilogrammi |
| Colore | Giallo |
| Stile | Digital, Ergonomic |
9. Garanzia e supporto
For warranty information or technical support, please refer to the product packaging or contact Walfront customer service directly. Keep your purchase receipt for any warranty claims.