1. Introduktion
The Wanptek NPS1203W is a high-precision, adjustable mini DC power supply designed for various applications including production line testing, electrical maintenance, battery charging, and laboratory research. This switching power supply features a three-window LED display that simultaneously shows voltage, current, and power, addressing the bulkiness and inefficiency of traditional linear power supplies.
It offers stable voltage output, current limiting, and comprehensive protection mechanisms such as over voltage protection (OVP), over current protection (OCP), and over temperature protection.
2. Sikkerhedsoplysninger
Important Safety Information: Read all instructions before use. Failure to follow these instructions may result in damage to the product or personal injury.
- Advarsel: Keep the device and its cord out of reach of children under 3 years old.
- Keep away from children unless supervised by an adult.
- Brug ikke dette produkt til andre formål end dets tilsigtede brug.
- Inspect the product before each use; do not use if damaged.
- Follow installation and operation guidelines to avoid injury.
- Må ikke udsættes for vand eller fugt.
- Handle with care to avoid cuts or injuries.
3. Produktet er slutview
The Wanptek NPS1203W DC Power Supply is designed for ease of use with clearly labeled controls and indicators.
Kontrol og indikatorer på frontpanelet
- LCD skærm: Viser realtidsvolumentage (V), current (A), and power (W) output.
- V-Coarse / V-Fine: Drejeknapper til grov- og finjustering af udgangsvolumentage.
- A-Coarse / A-Fine: Drejeknapper til grov- og finjustering af udgangsstrømmen.
- Tænd/sluk-knap (tænd/sluk): Styrer hovedstrømmen til enheden.
- Positiv terminal (+): Rød terminal til positiv udgangsforbindelse.
- Negativ terminal (-): Sort terminal til negativ udgangstilslutning.
- C.V. (Constant Voltage) / C.C. (Constant Current) Indicators: LEDs indicating the current operating mode.
Bagpanel funktioner
- Køleventilator: Automatically operates to maintain optimal internal temperature.
- Input bindtage Switch (230V/115V): Allows selection between 230V and 115V AC input, depending on your region's mains voltage.
- Stikkontakt: Til tilslutning af det medfølgende netkabel.
Inkluderet tilbehør
Pakken indeholder typisk:
- 1 x DC-strømforsyningsenhed
- 1 x Power Cord (with regional plug type)
- 1 x Alligator Clip Line
- 1 x Brugermanual (engelsk)
4. Opsætning
- Udpakning og inspektion: Carefully remove the power supply and all accessories from the packaging. Inspect the unit for any visible damage. Do not use if the product appears damaged.
- Input bindtage Valg: Locate the Input Voltage Switch on the rear panel. Ensure it is set to the correct voltage (230V or 115V) corresponding to your local mains power supply. Incorrect voltagDette valg kan beskadige enheden.
- Strømtilslutning: Connect the provided AC power cord to the power socket on the rear panel of the unit, then plug the other end into a suitable mains outlet.
- Udgangsforbindelse: Connect the alligator clip test leads to the Positive (+) and Negative (-) terminals on the front panel. Ensure a secure connection. Connect the other end of the alligator clips to your load.
5. Betjening
- Tænd: Ensure all connections are secure and the input voltage switch is correctly set. Press the Power Switch to the 'ON' position. The LED display will illuminate.
- Initial Adjustment (Zero Adjustment): Before connecting a load, it is recommended to perform a zero adjustment for the output voltage and current. Turn both V-Coarse/V-Fine and A-Coarse/A-Fine knobs fully counter-clockwise to their minimum settings.
- Indstilling Voltage: Use the V-Coarse knob to set the approximate desired voltage. Then, use the V-Fine knob for precise adjustment. The voltage vil blive vist på LCD-skærmen.
- Indstilling af strømgrænse: The power supply operates in Constant Voltage (C.V.) mode by default. To set a current limit, you can short the output terminals (briefly and safely) and then adjust the A-Coarse and A-Fine knobs to set the maximum desired current. The C.C. indicator will light up when the current limit is reached.
- Tilslutningsbelastning: Efter indstilling af den ønskede lydstyrketage and current limit, connect your device or circuit to the output terminals using the alligator clip leads.
- Overvågningsoutput: The LCD display will show the real-time output voltage, current, and power. The C.V. or C.C. indicator will show the current operating mode.
- Sluk: Before disconnecting the load, turn the V-Coarse/V-Fine and A-Coarse/A-Fine knobs to their minimum settings. Then, press the Power Switch to the 'OFF' position.
6. Vedligeholdelse
- Rensning: Regularly clean the exterior of the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure the cooling fan vents are free from dust and obstructions.
- Udskiftning af sikring: The unit features a replaceable fuse for safety. If the unit fails to power on, check the fuse located near the power socket on the rear panel. Replace it with a fuse of the same type and rating. Refer to the specifications for fuse details.
- Opbevaring: Store the power supply in a cool, dry place, away from direct sunlight, high humidity, and extreme temperatures.
7. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tænder ikke | No power from outlet; Power cord loose; Fuse blown; Input voltage-kontakten er forkert. | Check power outlet; Ensure power cord is securely connected; Replace fuse (see Maintenance); Verify input voltage-switchindstilling. |
| Ingen output voltage/aktuel | Udgangsterminaler ikke tilsluttet; Voltage/current knobs set to minimum; OVP/OCP activated. | Ensure load is connected; Adjust voltage/current knobs; Check for OVP/OCP conditions and reset if necessary. |
| Over Voltage Protection (OVP) / Over Current Protection (OCP) activated | Udgang voltage/current exceeded set limits or internal fault. | Reduce load or adjust settings; Power cycle the unit to reset. If persistent, contact support. |
| Enheden overophedes | Cooling fan blocked; Excessive load. | Ensure cooling fan vents are clear; Reduce load or operating time. |
8. Specifikationer
| Parameter | Værdi |
|---|---|
| Model | NPS1203W |
| Udgang Voltage | 0 – 120V |
| Udgangsstrøm | 0 - 3A |
| Udgangseffekt | 360W |
| Input bindtage | AC 230V/115V ± 10%; 50Hz/60Hz |
| Vise | LED 3-digits (Voltage, Strøm, Effekt) |
| Driftstilstande | Constant Voltage (CV), konstant strøm (CC) |
| Beskyttelsesfunktioner | OVP, OCP, Over Temperature Protection |
| Effektivitetsgrad | Højere end 70 % |
| Arbejdstemperatur | 0~40℃ |
| Driftsmiljø | Indendørs brug, højde op til 2000m |
| Dimensioner (L x B x H) | Approx. 30cm x 20cm x 11cm (based on package dimensions) |
| Vægt | Ca. 1.638 kg (baseret på pakkens vægt) |
9. Brugertips
- Indstil altid voltage and current to their minimum values before connecting a new load to prevent accidental damage.
- For precise adjustments, use the 'Fine' tuning knobs after setting the approximate value with the 'Coarse' knobs.
- Regularly check the cooling fan for proper operation and ensure adequate ventilation around the unit to prevent overheating.
- When operating in Constant Current (C.C.) mode, the output voltage will automatically adjust to maintain the set current through the load.
10. Garanti og support
This product is manufactured by Feiruilande Shenzhen Shangmao Co., Ltd. The EU Authorized Representative is SOLID AUTHORITY LIMITED.
For more specific product usage instructions and detailed information, please refer to the comprehensive user manual available in PDF format: Wanptek NPS1203W User Manual (PDF).
If you have any questions or require further assistance, please contact the store customer service staff.
