1. Introducció
The ANENG PN129 is a True-RMS U-shaped clamp meter designed for efficient and accurate electrical measurements. This digital multimeter can measure AC/DC current, voltage, resistance, capacitance, diode, frequency, and detect non-contact voltage (NCV). Its U-shaped design allows for easy clamping around wires without interruption, making it an ideal tool for diagnosing electrical issues in various applications, from automotive to household electrical systems.
This manual provides detailed instructions for the safe and effective use of your ANENG PN129 clamp meter. Please read it thoroughly before operation.

Figure 1: The ANENG PN129 clamp meter in use, measuring current in an electrical panel. The display shows a reading of 1.091A.
2. Informació de seguretat
To ensure safe operation and service of the meter, follow these safety precautions:
- Respecteu sempre els codis de seguretat locals i nacionals.
- No utilitzeu el mesurador si sembla danyat o si l'aïllament està compromès.
- No apliqueu més del volum nominaltage, tal com està marcat al comptador, entre els terminals o entre qualsevol terminal i terra.
- Tingueu precaució quan treballeu amb voltagper sobre de 30 V CA RMS, 42 V pic o 60 V CC. Aquests voltagsuposen un risc de xoc.
- Traieu els cables de prova del circuit abans de canviar les funcions.
- Utilitzeu sempre els terminals, la funció i el rang adequats per a les vostres mesures.
- Keep fingers behind the finger guards on the test probes during use.
- Substituïu la bateria tan bon punt aparegui l'indicador de bateria baixa per evitar lectures incorrectes.
3. Contingut del paquet
Verify that all items listed below are present and undamaged:
- 1 x ANENG PN129 Clamp Mesurador
- 2 x piles AAA
- 1 x Combined Cable (includes 4 plugs, 2 PVC cables, 2 copper needles, 2 U-shaped pieces, 2 measurement punches, 2 alligator clips, 2 punching needles)
- 1 x Test Lead for Multimeter
- 1 x cable de càrrega
- 1 x Manual d'usuari
- 1 x bossa d'emmagatzematge

Figure 2: Illustration of the ANENG PN129 clamp meter and its complete set of accessories, including test leads, batteries, and a storage bag.
4. Producte acabatview
The ANENG PN129 features a compact design with an intuitive interface for various electrical measurements. Key components include the U-shaped clamp for current measurement, an LCD display, function buttons, and input jacks for test leads.
4.1 Característiques principals:
- Mesura de RMS veritable: Proporciona lectures precises per a formes d'ona no sinusoïdals.
- Cl en forma d'Uamp: Allows non-contact AC/DC current measurement up to 100A.
- Visualització de 4000 comptes: High-resolution digital display.
- Funció NCV: Vol. Sense contactetage detection for enhanced safety.
- Conservació de dades: Congela la lectura mostrada per facilitar el registre.
- Backlight Screen & Flashlight: Millora la visibilitat en entorns amb poca llum.
- Apagat automàtic: Conserva la durada de la bateria després de 15 minuts d'inactivitat.

Figure 3: The ANENG PN129 clamp meter highlighting its capabilities, including DC/AC voltage, DC/AC current, NCV sensing, resistance, buzzer, auto power off, 4000 count, data retention, backlight screen, and flashlight.

Figure 4: The ANENG PN129 clamp meter with its backlit display activated, showing clear readings in a low-light setting.
5. Configuració
5.1 Instal·lació de la bateria
The ANENG PN129 requires two AAA batteries for operation. To install or replace batteries:
- Ensure the meter is turned off and no test leads are connected.
- Localitzeu la tapa del compartiment de la bateria a la part posterior del mesurador.
- Utilitzeu un tornavís per obrir el compartiment de la bateria.
- Introduïu dues piles AAA, observant la polaritat correcta (+/-) tal com s'indica a l'interior del compartiment.
- Substituïu la tapa del compartiment de la bateria i fixeu-la amb el cargol.
6. Instruccions de funcionament
The ANENG PN129 features an automatic range selection for most measurements. Press the power button to turn the device on or off. Use the 'SELECT' button to cycle through different functions within a mode (e.g., AC/DC voltage, NCV).
6.1 AC/DC Current Measurement (U-shaped Clamp)
El cl en forma d'Uamp allows for non-contact current measurement. This is ideal for quick checks without breaking the circuit.
- Turn on the meter. The meter will typically default to auto-ranging mode.
- Open the U-shaped clamp by pressing the release lever.
- Col·loqueu el clamp around a single conductor (wire) through which the current flows. Ensure the clamp està totalment tancat.
- Read the current value on the display. The meter automatically detects AC or DC current.

Figure 5: A user performing an AC current measurement using the U-shaped clamp of the ANENG PN129 on a household electrical wire.

Figure 6: A user performing a DC current measurement on a vehicle's electrical system with the ANENG PN129 clamp metre.
6.2 voltagMesura (CA/CC)
Per mesurar voltage, connect the test leads to the appropriate input jacks.
- Insert the red test lead into the 'VΩHz' jack and the black test lead into the 'COM' jack.
- Turn on the meter. If necessary, press 'SELECT' to choose between AC (V~) or DC (V=) voltagmode e.
- Connecteu les sondes de prova en paral·lel al circuit o component que voleu mesurar.
- Llegeix el voltage valor a la pantalla.
6.3 Mesura de la Resistència
To measure resistance, ensure the circuit is de-energized before connecting the test leads.
- Insert the red test lead into the 'VΩHz' jack and the black test lead into the 'COM' jack.
- Turn on the meter. Select the resistance (Ω) function.
- Connect the test probes across the component whose resistance you want to measure.
- Llegiu el valor de resistència a la pantalla.
6.4 Mesura de la capacitat
Always discharge capacitors before measuring capacitance to prevent damage to the meter or injury.
- Insert the red test lead into the 'VΩHz' jack and the black test lead into the 'COM' jack.
- Turn on the meter. Select the capacitance (F) function.
- Connecteu les sondes de prova a través del condensador.
- Llegiu el valor de la capacitat a la pantalla.
6.5 Prova de continuïtat
The continuity test checks for an open or closed circuit.
- Insert the red test lead into the 'VΩHz' jack and the black test lead into the 'COM' jack.
- Turn on the meter. Select the continuity (buzzer) function.
- Connecteu les sondes de prova a través del circuit o component.
- If the circuit is continuous (low resistance), the meter will emit an audible beep.
6.6 NCV (Volum sense contacte)tage) Detecció
La funció NCV permet el volumtagDetecció electrònica sense contacte directe, millorant la seguretat.
- Turn on the meter. Press and hold the 'SELECT' button to activate the NCV function.
- Bring the top part of the clamp meter close to the wire or circuit to be tested.
- The device will emit an audible signal and the NCV indicator will light up when an electromagnetic field is detected, indicating the presence of voltage.
6.7 Funció de retenció de dades
Press the 'HOLD' button (often labeled 'H' or 'PAUSAR') to freeze the current reading on the display. Press it again to release the hold and resume live measurements.
6.8 Retroiluminació i llanterna
The meter includes a backlight for the display and a flashlight for illuminating the work area.
- Il·luminació de fons: A short press of the backlight/flashlight button (often integrated with 'HOLD' or a dedicated light button) will turn the display backlight on or off.
- Llanterna: A long press of the backlight/flashlight button will activate or deactivate the flashlight.

Figure 7: The ANENG PN129 clamp meter's integrated flashlight providing illumination for working in dim conditions.
6.9 Apagat automàtic
The meter automatically turns off after approximately 15 minutes of inactivity to conserve battery life. To disable this feature (if available, consult the specific manual for your device) or to reactivate the meter, press any button or cycle the power.

Figure 8: Visual representation of the ANENG PN129's 15-minute automatic power-off function, designed to save battery life.
7. Manteniment
7.1 Neteja
Netegeu el comptador amb anuncisamp cloth and mild detergent. Do not use abrasives or solvents. Keep the display clean for optimal visibility.
7.2 Substitució de la bateria
Refer to Section 5.1 for battery installation and replacement instructions. Replace batteries promptly when the low battery indicator appears on the display.
7.3 Emmagatzematge
When not in use for extended periods, remove the batteries to prevent leakage. Store the meter in its storage bag in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Solució De Problemes
If you encounter issues with your ANENG PN129, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| El comptador no s'encén | Bateries gastades o mal instal·lades | Canvieu les piles, assegurant-vos de la polaritat correcta. |
| Lectures inexactes | Low battery, incorrect function/range, poor test lead connection | Replace batteries. Verify correct function and range. Ensure test leads are securely connected. |
| No NCV detection | NCV function not activated, no voltage present | Press and hold 'SELECT' to activate NCV. Confirm voltage is present in the circuit. |
| Display shows 'OL' | Overload (measurement exceeds range) | The meter is auto-ranging, but if the value is too high for the meter's maximum range, 'OL' will display. Ensure the measurement is within the meter's specifications. |
9. Especificacions
Technical specifications for the ANENG PN129 Clamp Mesurador:
- Número de model: PN129
- Visualització: 4000 recomptes
- Tipus de mesura: RMS veritable
- Corrent CA/CC: Up to 100A (via U-shaped clamp)
- Volum AC / DCtage: Sí
- Resistència: Sí
- Capacitat: Sí
- Continuïtat: Sí (amb brunzidor)
- NCV Detection: Sí
- Freqüència (Hz): Sí
- Prova de díode: Sí
- Apagat automàtic: Uns 15 minuts
- Font d'alimentació: 2 x piles AAA
- Dimensions del producte: 50 x 20 x 50 mm (aprox. 1.97 x 0.79 x 1.97 polzades)
- Temperatura de funcionament: Fins a 85 graus centígrads
- Compliment de seguretat: CE
- Color: Negre
10. Garantia i Suport
ANENG provides service and technical support for the PN129 clamp meter. For any questions, technical assistance, or warranty claims, please contact ANENG customer support through your retailer or the official ANENG weblloc web. Si us plau, conserveu el comprovant de compra per a finalitats de garantia.