Jesverty SPS-12003H DC Variable Power Supply User Manual

1. Introducció

The Jesverty SPS-12003H is a high-precision DC variable power supply designed for various applications including laboratory work, school projects, maintenance, electrolysis, electroplating, brush plating, lamp testing, aging testing, and battery charging. This manual provides detailed instructions for the safe and efficient operation of your device.

Característiques principals:

• High-precision encoder knobs for precise voltage and current adjustment (up to 0.01V and 0.001A).
• 4-digit backlit LED display for clear readings in various lighting conditions.
• Integrated 5V/2A USB port with fast charging protocol recognition chip for charging mobile phones and other devices.
• Output enable/disable button to prevent accidental load damage.
• Multiple safety protections: grounding wire, leakage protection, thermal protection, over-voltage protection, over-current protection, and short-circuit protection.
• Intelligent temperature-controlled fan for efficient heat dissipation and extended product lifespan.
• Compact and lightweight design (18 x 8.5 x 15.5 cm, 1.1 kg) for space-saving on the workbench.

2. Informació de seguretat

Please read all safety warnings and instructions carefully before operating the device to ensure safe and proper use. Keep this manual for future reference.

Precaucions generals de seguretat:

• Connecteu sempre la font d'alimentació a una presa de corrent amb connexió a terra.
• No utilitzeu el dispositiu en mullat o damp condicions.
• Assegureu-vos que hi hagi una ventilació adequada al voltant de la unitat per evitar el sobreescalfament. No bloquegeu les obertures de ventilació.
• No obriu la c.asing; no hi ha peces a l'interior que l'usuari pugui reparar. Demaneu totes les tasques de manteniment a personal qualificat.
• Disconnect power before making any connections or disconnections to the output terminals.
• Verifiqueu el vol d'entradatage matches your local power supply (AC220V 50Hz for EU plug model).
• Avoid short-circuiting the output terminals for extended periods.

Característiques de seguretat integrades:

• Cable de terra: Provides essential protection against electrical shock.
• Protecció contra fuites: Safeguards against current leakage.
• Protecció tèrmica: Automatically shuts down the unit if internal temperature exceeds safe limits.
• Més de voltage Protecció (OVP): Protects connected loads from excessive voltage.
• Over-Current Protection (OCP): Prevents damage due to excessive current draw.
• Protecció contra curtcircuits: Safeguards the unit and load in case of a short circuit.
• Intelligent Temperature Control Fan: Activates and adjusts speed based on internal temperature, ensuring optimal cooling and extending product life.

Imatge: Més deview of the Jesverty SPS-12003H highlighting its safety features including short-circuit protection, overload protection, overheat protection, and grounding terminal. Also shown are various international plug types and the intelligent cooling fan.

3. Contingut del paquet

Si us plau, comproveu el contingut del paquet en rebre'l. Si falta algun article o està malmès, poseu-vos en contacte amb el vostre venedor immediatament.

• Jesverty SPS-12003H DC Variable Power Supply Unit
• Power Cord (EU plug for this model)
• Output Test Leads (typically alligator clips to banana plugs)
• Manual d'usuari (aquest document)

4. Producte acabatview

Familiarize yourself with the components and controls of your Jesverty SPS-12003H power supply.

Image: Front panel of the Jesverty SPS-12003H showing the display, control knobs, USB port, and output terminals.

Components del panell frontal:

• Pantalla LED: 4-digit display showing Voltage (V), Current (A), and Power (W). Includes indicators for OVP, OCP, OPN, RMT, CV, CC.
• CURRENT Knob: Encoder knob for adjusting output current. Press to select digit for adjustment.
• VOLTAGE Knob: Encoder knob for adjusting output voltage. Press to select digit for adjustment.
• Port USB 5V/2A: Port USB-A estàndard per carregar dispositius externs.
• Botó d'encendre: Interruptor d'alimentació principal de la unitat.
• Botó OUTPUT: Toggles the power output ON/OFF. Long press for advanced settings (OPN, OCP).
• Terminals de sortida:
  • GND (Green): Terminal terrestre.
  • - (Black): Terminal de sortida negativa.
  • + (Red): Terminal de sortida positiu.

Components del panell posterior:

• Entrada d'alimentació de CA: Connector per al cable d'alimentació.
• Ventilador de refrigeració: Intelligent temperature-controlled fan for heat dissipation.

5. Configuració

Follow these steps for initial setup of your power supply.

1. Col·locació: Place the power supply on a stable, flat surface with adequate ventilation. Ensure the cooling fan at the rear is not obstructed.
2. Connexió d'alimentació:
   • Ensure the power supply's main power button is in the OFF position.
   • Connect the provided power cord to the AC power input on the rear panel of the unit.
   • Plug the other end of the power cord into a grounded AC outlet (AC220V 50Hz for EU plug model).
3. Connexió del cable de sortida:
   • Connect the test leads to the output terminals: Red to '+', Black to '-', and Green to 'GND' if grounding is required for your application.
   • Ensure connections are secure before applying power to your load.

6. Instruccions de funcionament

This section details the operation of the Jesverty SPS-12003H.

6.1 Engegada/apagada

• To power on the unit, press the green PODER botó. La pantalla s'il·luminarà.
• To power off the unit, press the green PODER botó de nou.

6.2 Ajust del volumtage i Actual

The SPS-12003H uses precise encoder knobs for setting voltage i valors actuals.

Imatge: Detallada view of the encoder knobs for current and voltage adjustment, emphasizing their precision.

1. Selecting a Digit: Premeu el botó VOLTAGE pom o ACTUAL knob momentarily. The digit that can be adjusted will start blinking. Press the knob repeatedly to cycle through the digits (e.g., hundreds, tens, units, tenths, hundredths).
2. Adjusting Value: Once a digit is blinking, rotate the knob clockwise to increase the value or counter-clockwise to decrease it. The selected digit will blink for approximately 3 seconds after selection or change.
3. Precisió: The encoder knobs allow for fine adjustments, with voltage precision up to 0.01V and current precision up to 0.001A.

Image: Visual guide demonstrating how to adjust voltage and current by pressing the knob to select a digit and then rotating to change its value.

6.3 Output Enable/Disable Button

El SORTIDA button controls the power output to your connected load, preventing accidental damage.

Image: Close-up of the output enable/disable button, indicating its function to prevent load damage.

• Premeu el botó SORTIDA button momentarily to toggle the power output ON or OFF.
• When the output is OFF, you can safely adjust voltage and current settings without affecting the connected load.

6.4 Funció de càrrega USB

The integrated 5V/2A USB port allows for convenient charging of compatible devices.

Image: The 5V/2A USB port on the front panel, shown charging a mobile phone, demonstrating its fast charging capability.

• Simply connect your USB-compatible device to the 5V/2A USB port on the front panel.
• This port provides a fixed 5V output at up to 2A and supports fast charging protocols.

6.5 Ajust de la brillantor de la pantalla

You can adjust the brightness of the LED display for optimal visibility.

Image: Instructions for adjusting screen brightness by simultaneously rotating the CURRENT and VOLTAGE knobs. Rotating right increases brightness, rotating left decreases it.

• To increase brightness, simultaneously rotate both the ACTUAL i VOLTAGE poms en sentit horari.
• To decrease brightness, simultaneously rotate both the ACTUAL i VOLTAGE knobs counter-clockwise.

6.6 Over Current Protection (OCP) Setting

OCP provides an additional layer of protection by setting a maximum current threshold independent of the normal current limit.

Image: Visual guide for enabling and disabling Over Current Protection (OCP) and setting its value using the CURRENT knob.

1. Entering OCP Setting: Manteniu premut el botó ACTUAL button for 3 seconds. The display will show the OCP setting interface. The OCP light will illuminate.
2. Setting OCP Value: Gira el ACTUAL knob to adjust the OCP threshold. Press the knob to select individual digits for precise adjustment.
3. Enabling/Disabling OCP:
   • To enable OCP, ensure the power display value is '1'. The OCP light will be ON.
   • To disable OCP, rotate the ACTUAL knob left until the power display value is '0'. The OCP light will turn OFF.
4. Desar la configuració: Manteniu premut el botó ACTUAL button for 3 seconds to save the setting and return to the main interface.

6.7 OPN (Output Power On) Function

The OPN function determines the state of the output when the unit is powered on.

Image: Visual guide for enabling and disabling the OPN (Output Power On) function using the OUTPUT button.

1. Entering OPN Setting: Manteniu premut el botó SORTIDA button for 3 seconds. The display will show the OPN setting interface.
2. Enabling/Disabling OPN:
   • To enable OPN (output automatically turns on with power), press the SORTIDA button momentarily. The power display value will change to '1', and the OPN light will be ON.
   • To disable OPN (output remains off when powered on), press the SORTIDA button momentarily. The power display value will change to '0', and the OPN light will be OFF.
3. Desar la configuració: Manteniu premut el botó SORTIDA button for 3 seconds to save the setting and return to the main interface.
4. Nota: The OPN setting is persistent and cannot be canceled by simply turning the unit on and off. You must manually change it in the OPN setting interface.

7. Manteniment

Un manteniment adequat garanteix la longevitat i el funcionament fiable del vostre subministrament elèctric.

• Neteja: Desconnecteu l'alimentació de la presa de corrent abans de netejar-lo. Feu servir un drap suau i sec per netejar l'exterior. No utilitzeu productes de neteja abrasius ni dissolvents.
• Ventilació: Regularly check that the ventilation openings and cooling fan are free from dust and debris. Use compressed air to clear any blockages if necessary.
• Emmagatzematge: Quan no la feu servir durant períodes prolongats, guardeu la font d'alimentació en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
• Inspecció: Periodically inspect the power cord and test leads for any signs of damage. Replace them if they are frayed or damaged.

8. Solució De Problemes

This section addresses common issues you might encounter with your power supply.

9. Especificacions

Technical specifications for the Jesverty SPS-12003H DC Variable Power Supply.

10. Garantia i Suport

Jesverty products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please contact your original point of purchase or visit the official Jesverty website. Please have your model number (SPS-12003H) and purchase date ready when contacting support.

For the most up-to-date information and support resources, please refer to the manufacturer's official channels.