WVCLTVJA KWS-AC305

WVCLTVJA KWS-AC305 Wattmeter Power Meter User Manual

1. Introducció

The WVCLTVJA KWS-AC305 is a versatile AC electricity meter designed for precise measurement and monitoring of electrical parameters in AC circuits. This device functions as a wattmeter, power meter, dual voltmeter, and ammeter, providing comprehensive data on voltage, current, active power, power factor, and accumulated electric energy. It is ideal for various applications requiring accurate electrical monitoring.

2. Característiques del producte

  • Mesura multifuncional: Mesures AC voltage, AC current, active power, power factor, and electric energy.
  • Vol. Amplitage Rang: AC 0-500V measurement capability.
  • Alta capacitat de corrent: Supports current measurement up to 100A with an external Current Transformer (CT).
  • Mesura de potència: Measures active power up to 50KW.
  • Energy Accumulation: Tracks electric energy consumption from 0 to 99999Kwh.
  • Pantalla LED clara: Provides easy-to-read measurements.
  • Disseny compacte: Small form factor for easy integration.

3. Contingut del paquet

Si us plau, comproveu que tots els articles estiguin presents i en bon estat en obrir el paquet:

  • 1 x KWS-AC305 Wattmeter Power Meter Unit
  • 1 x Current Transformer (CT) for 100A measurement
  • 1 x Set of Wiring Cables (approximately 150mm and 170mm in length)
KWS-AC305 Wattmeter Power Meter unit with dimensions and included cables and current transformer.

Image: The KWS-AC305 Wattmeter Power Meter unit, showing its dimensions (65.2mm length, 37.9mm width, 22mm height). Also pictured are the included wiring cables (150mm) and the 100A Current Transformer (CT) with its dimensions (32.6mm outer diameter, 14.8mm inner diameter) and 170mm cable.

4. Setup and Wiring Instructions

Proper wiring is essential for accurate and safe operation. Refer to the wiring diagram below for connection details.

Wiring diagram for KWS-AC305 Wattmeter Power Meter showing connections for load, firewire, zero line, and current transformer.

Image: A schematic diagram illustrating the wiring method for the KWS-AC305. It shows the connection of the L (Firewire) and N (Zero line) to the meter, the load connection, and the placement of the Current Transformer (CT) around the LI (Load Firewire).

  1. Connexió d'entrada d'alimentació: Connect the AC power supply's "Firewire" (L) to the L terminal of the meter and the "Zero line" (N) to the N terminal of the meter. The power supply voltage should be within AC 50-300V.
  2. Connexió de càrrega: Connect the electrical load to the designated output terminals of the meter. Ensure the load's "Firewire" (LI) passes through the Current Transformer (CT).
  3. Current Transformer (CT) Installation:
    • Pass the "Firewire" (LI) of the circuit you wish to measure through the center hole of the Current Transformer (CT).
    • Connect the two wires from the CT to the corresponding CT input terminals on the meter. Ensure correct polarity if indicated, though for most AC CTs, orientation might not be critical for current measurement, but it can affect power factor readings.
  4. Verificació: Double-check all connections to ensure they are secure and correctly wired before applying power. Incorrect wiring can damage the device or lead to inaccurate readings.

Notes importants:

  • The meter's power supply voltage (AC 50-300V) is separate from its voltage measurement range (AC 0-500V).
  • The current measurement is performed indirectly via the external Current Transformer (CT). Do not connect the main circuit directly to the meter's current terminals without the CT.

5. Instruccions de funcionament

Once the meter is correctly wired and powered on, it will automatically display the measured parameters.

  1. Encès: Apply AC power to the meter's L and N terminals. The LED display will illuminate and show the current measurements.
  2. Lectura de mesures: The meter continuously displays various parameters. The specific display mode or cycling of parameters may be controlled by the 'M' button (if present).
    • Voltage (V): Displays the AC voltage of the monitored circuit (0-500V).
    • Corrent (A): Displays the AC current flowing through the circuit, measured via the CT (0-100A).
    • Potència (KW): Displays the active power consumed by the load (0-50KW).
    • Factor de potència (PF): Displays the power factor of the circuit (0.00-1.00PF).
    • Electric Energy (Kwh): Displays the accumulated electric energy consumption (0-99999Kwh). This value typically accumulates over time and is non-volatile.
  3. 'M' Button Function (if applicable): The 'M' button on the front panel (visible in product images) is typically used for:
    • Cycling through different display modes or parameters.
    • Resetting the accumulated electric energy (Kwh) reading. Consult the specific product variant for exact functionality, usually by a long press.

6. Manteniment

To ensure the longevity and accurate performance of your KWS-AC305 Wattmeter Power Meter, follow these maintenance guidelines:

  • Neteja: Feu servir un drap suau i sec per netejar la pantalla iasing. Do not use abrasive cleaners or solvents, as they may damage the plastic.
  • Medi ambient: Operate and store the meter in a dry environment, away from direct sunlight, extreme temperatures, and high humidity.
  • Connexions: Periodically check all wiring connections to ensure they remain secure. Loose connections can lead to inaccurate readings or potential hazards.
  • Evitar l'impacte: Protect the device from physical shocks or drops, which can damage internal components or the display.

7. Solució De Problemes

If you encounter issues with your KWS-AC305 Wattmeter Power Meter, refer to the following common troubleshooting steps:

ProblemaCausa possibleSolució
No display / Meter not powering onNo power supply or incorrect power connection.Check if AC 50-300V power is supplied to the L and N terminals. Ensure connections are secure.
Voltage reading is incorrect or zeroIncorrect wiring of L and N terminals.Verify that the L and N terminals are correctly connected to the AC power source.
Current reading is incorrect or zeroCurrent Transformer (CT) not installed correctly or not connected.Ensure the load's "Firewire" passes through the CT. Verify the CT's wires are securely connected to the meter.
Power or Energy readings are incorrectVol incorrectetage or current readings, or CT polarity issue.Troubleshoot voltage and current readings first. Ensure CT is correctly oriented if power factor is also affected.
Display flickering or unstable readingsUnstable power supply or electrical interference.Ensure a stable AC power supply. Avoid installing near strong electromagnetic fields.

8. Especificacions

ModelKWS-AC305
MarcaWVCLTVJA
Alimentació VoltageAC 50-300V
Volum de mesuratage RangAC 0-500V
Interval actual0-100A (with external CT)
Rang de mesura de potència0-50 kW
Interval del factor de potència0.00-1.00PF
Electric Energy Range0-99999Kwh
Tipus de visualitzacióLED
Product Dimensions (Meter Unit)Approx. 65.2mm x 37.9mm x 22mm (L x W x H)
Current Transformer (CT) Inner DiameterAprox. 14.8 mm
Pes de l'articleAprox. 1.76 unces (50 g)

9. Garantia i Suport

Information regarding product warranty and customer support was not provided in the product details. Please refer to your purchase documentation or contact the retailer/manufacturer directly for details on warranty coverage and technical assistance.

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