Crenova 890Z Digital Multimeter Instruction Manual

1. Introducció i finalview

The Crenova 890Z Digital Multimeter is a versatile and reliable tool designed for accurate electrical measurements. It features a 6000-count True RMS display, providing precise readings for various parameters. This multimeter is suitable for a wide range of applications, including industrial, household, and automotive electrical testing.

This manual provides detailed instructions on how to safely and effectively use your Crenova 890Z Digital Multimeter. Please read it thoroughly before operation.

This image displays the Crenova 890Z Digital Multimeter along with its comprehensive set of accessories, including test leads, alligator clips, a protective carrying case, and AA batteries, highlighting its readiness for immediate use.

2. Informació de seguretat

Your safety is paramount. The Crenova 890Z Multimeter is designed with safety in mind, meeting IEC61010 and CAT III standards. It incorporates double fuse protection against burnout and overload. The durable silicone cover provides additional protection against damage and electric shock.

Precaucions generals de seguretat:

• Always ensure the test leads are correctly connected to the appropriate input jacks for the desired measurement.
• No supereu els valors d'entrada màxims especificats per a cada rang.
• No mesureu mai el voltage on circuits with power exceeding 600V.
• Extremeu les precaucions quan treballeu amb circuits elèctrics en tensió.
• If the low battery indicator appears, replace the batteries immediately to ensure accurate readings.
• No feu servir el multímetre si sembla que està danyat o no funciona correctament.

This image illustrates the internal design of the Crenova 890Z Multimeter, highlighting its double fuse protection (600mA, 250V and 10A, 250V) which safeguards against overload and burnout, ensuring operational safety.

3. Característiques i components del producte

The Crenova 890Z Multimeter is equipped with several features for enhanced usability and accurate measurements:

• 6000-Count LCD Display: Provides clear and precise digital readings.
• Measurement Range Selection Switch: A central rotary dial for selecting various measurement functions.
• Botons de funció: Includes HOLD (data hold), SELECT (mode switching), and backlight/flashlight activation.
• Test Lead Holders: Convenient slots on the back for storing test leads.
• Suport: A foldable stand for hands-free operation.
• Llanterna LED: Integrated light for working in dimly lit areas.
• NCV (vol sense contacte).tage) Detector: For sensing AC electric fields without direct contact.
• Apagada automàtica (APO): Conserva la durada de la bateria ja que s'apaga automàticament després d'un període d'inactivitat.

This image highlights the multimeter's large 6000-count LCD display, capable of showing precise readings, essential for accurate measurements.

This image showcases the practical design elements of the multimeter, including a built-in torch for illuminating dark work areas, a sturdy support stand for hands-free use, and integrated test lead holders for convenient storage.

4. Configuració

4.1 Instal·lació de la bateria

The Crenova 890Z Multimeter requires two 1.5V LR6 AA batteries (included). To install or replace batteries:

1. Assegureu-vos que el multímetre estigui APAGAT.
2. Localitzeu el compartiment de la bateria a la part posterior de la unitat.
3. Descargoleu la tapa de la bateria i traieu-la.
4. Insert the two AA batteries, observing the correct polarity (+/-) as indicated inside the compartment.
5. Substituïu la tapa de la bateria i fixeu-la amb el cargol.

4.2 Connexió dels cables de prova

Always connect the black test lead to the "COM" (common) input jack. Connect the red test lead to the appropriate input jack based on the measurement you intend to perform:

• Per al voltage (V), Resistance (Ω), Capacitance (F), Frequency (Hz), Diode, Continuity, and Temperature measurements, connect the red lead to the "VΩHz" jack.
• Per mil·liampere (mA) or microampere (µA) current measurements, connect the red lead to the "mAµA" jack.
• Per a 10 Ampere (10A) current measurements, connect the red lead to the "10A" jack.

5. Instruccions de funcionament

The Crenova 890Z Multimeter offers a variety of measurement functions. Select the desired function using the central rotary switch. The multimeter features auto-ranging, simplifying operation by automatically selecting the correct measurement range.

Vídeo de demostració del producte

5.1 voltagMesura (CA/CC)

Per mesurar voltage:

1. Set the rotary switch to the "V~" (AC Voltage) o "V-" (Volumen de CCtage) posició.
2. Connect the black test lead to the "COM" jack and the red test lead to the "VΩHz" jack.
3. Connecteu les sondes de prova en paral·lel al circuit o component que voleu mesurar.
4. Llegeix el voltagValor a la pantalla LCD.

Refer to Video 1 for demonstrations of AC Voltage Measurement (0:36) and DC Voltage Measurement (0:44).

5.2 Mesura de la Resistència

Per mesurar la resistència:

1. Set the rotary switch to the "Ω" (Resistance) position.
2. Connect the black test lead to the "COM" jack and the red test lead to the "VΩHz" jack.
3. Connect the test probes across the component to measure its resistance. Ensure the circuit is de-energized before measuring resistance.
4. Llegiu el valor de la resistència a la pantalla LCD.

Refer to Video 1 for a demonstration of Resistance Measurement (0:16).

5.3 Mesura de la capacitat

Per mesurar la capacitat:

1. Set the rotary switch to the "Capacitance" (symbol: ∓) position.
2. Connect the black test lead to the "COM" jack and the red test lead to the "VΩHz" jack.
3. Connect the test probes across the capacitor. Ensure the capacitor is fully discharged before measurement.
4. Llegiu el valor de la capacitat a la pantalla LCD.

Refer to Video 1 for a demonstration of Capacitance Measurement (0:27).

5.4 Prova de continuïtat

Per realitzar una prova de continuïtat:

1. Set the rotary switch to the "Continuity" (symbol: )))) posició.
2. Connect the black test lead to the "COM" jack and the red test lead to the "VΩHz" jack.
3. Touch the test probes to the two points of the circuit or component you want to test.
4. If there is continuity (low resistance), the multimeter will emit an audible beep. The display will show "OL" (Open Line) if there is no continuity.

Refer to Video 1 for a demonstration of Continuity Test (1:11).

5.5 Mesura de la temperatura

Per mesurar la temperatura:

1. Set the rotary switch to the "°C/°F" (Temperature) position.
2. Connect the K-type thermocouple to the "VΩHz" and "COM" jacks, observing polarity.
3. Place the thermocouple probe at the location where you want to measure the temperature.
4. Read the temperature value on the LCD. You can switch between Celsius and Fahrenheit using the SELECT button.

This image illustrates the multimeter's ability to measure temperature using the included K-type thermocouple, along with a table detailing the measurement range, accuracy, and resolution in both Celsius and Fahrenheit.

Refer to Video 1 for a demonstration of Temperature Measurement (1:02).

5.6 Vol. sense contactetage (NCV) Detecció

Per utilitzar la funció NCV:

1. Set the rotary switch to the "NCV" position.
2. Move the top end of the multimeter close to the wire or outlet you suspect has AC voltage.
3. Si AC voltage is detected, the multimeter will emit an audible beep and the NCV indicator light will flash. The intensity of the beeping and flashing indicates the strength of the detected field.

This image demonstrates the multimeter's Non-Contact Voltage (NCV) detection feature, showing it sensing an AC electric field near a wall outlet, with an audible and visual alarm triggering upon detection.

Refer to Video 1 for a demonstration of NCV Detection (0:58).

5.7 Mesura de corrent (CA/CC)

Per mesurar el corrent:

1. Set the rotary switch to the "mAµA" or "10A" position for AC or DC current. Use the SELECT button to toggle between AC and DC.
2. Connect the black test lead to the "COM" jack. Connect the red test lead to the "mAµA" jack for small currents or the "10A" jack for larger currents.
3. Connect the multimeter in series with the circuit you wish to measure. Ensure the circuit is de-energized before breaking it to insert the multimeter.
4. Llegiu el valor actual a la pantalla LCD.

5.8 Diode and Transistor (hFE) Test

To test diodes or transistors:

1. Set the rotary switch to the "Diode/hFE" position. Use the SELECT button to toggle between Diode and hFE modes.
2. For Diode Test: Connect the black test lead to "COM" and red to "VΩHz". Connect probes across the diode. A forward voltage drop will be displayed. "OL" indicates an open circuit.
3. For hFE Test: Insert the transistor leads into the appropriate E, B, C sockets on the multimeter. The hFE value will be displayed.

6. Manteniment

6.1 Neteja

Netegeu el cas amb l'anunciamp drap i detergent suau. No utilitzeu abrasius ni dissolvents. Mantingueu els terminals d'entrada lliures de brutícia i humitat.

6.2 Canvi de bateria i fusible

When the low battery indicator appears on the display, replace the batteries as described in Section 4.1. If the fuses blow due to overload, they can be replaced by opening the battery cover. Ensure to use fuses with the correct ratings (600mA, 250V and 10A, 250V).

This image demonstrates the process of replacing a fuse in the multimeter, emphasizing the ease of access for maintenance.

6.3 Emmagatzematge

Si el multímetre no s'utilitza durant un període prolongat, traieu-ne les piles per evitar fuites i danys. Guardeu el dispositiu en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.

7. Solució De Problemes

If you encounter issues with your Crenova 890Z Multimeter, refer to the following common problems and solutions:

8. Especificacions

• Model: 890Z
• Visualització: LCD de 6000 recomptes
• Classificació de seguretat: IEC61010-1 CAT III 600V
• Font d'alimentació: 2 x 1.5V LR6 AA Batteries (included)
• Dimensions: 7.09 x 3.35 x 1.97 polzades
• Pes: 1.74 lliures
• Característiques: True RMS, Auto-Ranging, Auto Power Off, Data Hold, Backlight, LED Flashlight, NCV, Support Stand, Test Lead Holder.
• Funcions de mesura: Volum AC / DCtage, AC/DC Current, Resistance, Frequency, Capacitance, Continuity, Diode, Transistor (hFE), Temperature.

9. Què hi ha a la caixa

The Crenova 890Z Digital Multimeter package includes:

• 1 x Crenova 890Z Multimeter
• 1 x Termopar tipus K
• 1 x Pair of Probe Test Leads
• 1 x Pair of Alligator Clip Test Leads
• 2 x 1.5V LR6 AA Batteries
• 1 x Caixa de transport
• 1 x manual d'instruccions

This image displays all the items included in the Crenova 890Z Multimeter package, providing a clear visual of the complete starter kit for users.

10. Garantia i Suport

The Crenova 890Z Digital Multimeter typically comes with a one-year warranty. For warranty claims, technical support, or any inquiries regarding the product, please contact Crenova customer service through the retailer where the product was purchased or visit the official Crenova weblloc per obtenir informació de contacte.

Si us plau, conserveu el rebut de compra com a comprovant de compra a efectes de garantia.