HANMATEK HM305T

HANMATEK HM305T Programmable DC Power Supply Instruction Manual

Model: HM305T | Brand: HANMATEK

1. Johdanto

This manual provides detailed instructions for the safe and efficient operation of your HANMATEK HM305T Programmable DC Power Supply. The HM305T is a high-precision, adjustable DC power supply designed for laboratory, research, and repair applications, offering stable and reliable power output.

HANMATEK HM305T Programmable DC Power Supply overview, highlighting key features such as overvoltage protection, overcurrent protection, and intelligent temperature control.

Figure 1: HANMATEK HM305T Programmable DC Power Supply overview, highlighting key features such as overvoltage protection, overcurrent protection, and intelligent temperature control.

2. Tärkeimmät ominaisuudet

The HANMATEK HM305T is equipped with advanced features to ensure precision, safety, and versatility:

  • Korkean tarkkuuden tulostus: Provides adjustable voltage from 0-30V and current from 0-5A, with a resolution of 10mV and 1mA.
  • Four-Digit Display: Simultaneously displays output voltage, current, power, and time with high accuracy.
  • Useita suojaustoimintoja: Includes Over Voltage Protection (OVP), Over Current Protection (OCP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short-Circuit Protection.
  • Ohjelmoitava ohjaus: Connects to a PC via USB for software control and programming functions.
  • Kaksi USB-latausporttia: Front-panel 5V 1.5A USB ports for convenient device charging.
  • Muistin tallennus: Six groups of parameter shortcut keys (M1-M6) for quick recall of frequently used settings.
  • Älykäs jäähdytystuuletin: Automatically adjusts fan speed based on temperature to maintain optimal operating conditions.
  • Lähtö PÄÄLLE/POIS-kytkin: One-key control for output, allowing pre-setting of values before activation.
  • Näppäimistön lukitus: Estää asetusten tahattomat muutokset käytön aikana.
High precision four-digit display of HANMATEK HM305T power supply

Figure 2: The HM305T features a high-precision four-digit display for voltage, current, and power, shown alongside other measurement devices for comparison.

3. Pakkauksen sisältö

Varmista, että pakkauksessa on kaikki tarvittavat osat purettaessa:

  • HANMATEK HM305T Programmable DC Power Supply
  • Virtakaapeli
  • USB-tiedonsiirtokaapeli
  • Test Leads (Alligator clips)
  • Käyttöohje
  • Ohjelmisto-CD (tietokoneohjaukseen)
Contents of the HANMATEK HM305T package including power supply, cables, manual, and software CD

Figure 3: All items included in the HANMATEK HM305T package, neatly arranged.

4. Tuote ohiview ja säätimet

Familiarize yourself with the front and rear panels of the power supply.

Front and rear panel diagram of the HANMATEK HM305T DC Power Supply with labeled components

Figure 4: Detailed diagram of the HM305T's front and rear panels, indicating the location and function of all controls and ports.

Etupaneelin säätimet:

  • Voitage Näyttö: Näyttää lähtöäänenvoimakkuudentage.
  • Nykyinen näyttö: Näyttää lähtövirran.
  • Power/Menu/Status Display: Shows output power, menu options, or status.
  • Time/Status Display: Shows output time or status.
  • Voitage Setting Key (UCV): Press to adjust voltage.
  • Current Setting Key (ICC): Press to adjust current.
  • Rotating Jog Wheel: Used to adjust values when setting voltage tai virta.
  • Yli Voltage Setting Key (OVP): Asettaa yliäänenvoimakkuudentage suojaraja.
  • Over Current Setting Key (OCP): Sets the overcurrent protection limit.
  • Output On/Off Switch: Vaihtaa tehontuottoa.
  • Memory Shortcut Keys (M1-M6): Store and recall up to six sets of voltage ja nykyiset parametrit.
  • List Next/Mode Key: Navigates through lists or changes modes.
  • ESC/Keyboard Lock Key: Exits menu or locks/unlocks the keyboard.
  • Dual USB Output Charging Key (5V/1.5A): Activates the front USB charging ports.
  • Lähtöliittimet: Positive (+), Negative (-), and Ground (GND) connections for load.

Takapaneelin osat:

  • Tuuletin: Haihduttaa lämpöä yksiköstä.
  • USB-tiedonsiirtoliitäntä: Connects to a PC for software control.
  • Verkkovirta: Connects the power supply to the mains electricity.
  • Sulakkeen pidike: Sisältää suojavarokkeen.

5. Asennus

  1. Sijoitus: Aseta virtalähde vakaalle, tasaiselle alustalle, jossa on riittävä ilmanvaihto. Varmista, että takana oleva jäähdytystuuletin ei ole estetty.
  2. Virtaliitäntä: Connect the provided AC power cable to the AC Power Input on the rear panel and then to a suitable mains power outlet.
  3. USB-liitäntä (valinnainen): For PC control, connect the provided USB communication cable from the USB Communication Interface on the rear panel to your computer. Install the software from the included CD or download the latest version from the HANMATEK websivusto.
  4. Ensimmäinen käynnistys: Press the Power Button on the front panel to turn on the unit. The display will illuminate.

6. Käyttöohjeet

6.1 Asetus Voltage ja nykyinen

  1. Ensure the output is OFF (Output button LED is off).
  2. Paina UCV (Voitage Setting) key. The voltage display will start blinking.
  3. Kierrä Rotating Jog Wheel to adjust the desired voltage. Press the jog wheel to move between digits for fine adjustment.
  4. Paina ICC (Current Setting) key. The current display will start blinking.
  5. Kierrä Rotating Jog Wheel to adjust the desired current limit. Press the jog wheel to move between digits.
  6. Once settings are complete, press the Lähtö button to enable the power output. The Output button LED will illuminate.

6.2 Using Memory Functions (M1-M6)

Close-up of memory buttons M1 through M6 on the HANMATEK HM305T

Figure 5: The memory buttons (M1-M6) allow for quick storage and recall of frequently used voltage ja nykyiset asetukset.

  1. Asetusten tallentaminen: Aseta haluamasi voltage and current. Press and hold one of the memory keys (M1-M6) for approximately 3 seconds until a confirmation beep or display change indicates the settings are saved.
  2. Asetusten palauttaminen: Briefly press the desired memory key (M1-M6). The stored voltage- ja virta-arvot ladataan.

6.3 Yli voitage-suojaus (OVP) ja ylivirtasuojaus (OCP)

These functions protect your connected load from excessive voltage tai virta.

  1. OVP:n asettaminen: Paina OVP key. The OVP value will blink. Use the Rotating Jog Wheel to set the maximum allowable output voltage. Lehdistö OVP uudelleen vahvistaaksesi.
  2. OCP:n asettaminen: Paina OCP key. The OCP value will blink. Use the Rotating Jog Wheel to set the maximum allowable output current. Press OCP uudelleen vahvistaaksesi.

6.4 Näppäimistön lukitus

Estääksesi asetusten muuttamisen vahingossa, pidä painettuna ESC/Lock key for 3 seconds to lock the keyboard. Repeat to unlock.

6.5 Using Dual USB Charging Ports

Close-up of the dual 5V 1.5A USB charging ports on the front panel

Figure 6: The front panel features two 5V 1.5A USB ports for convenient charging of external devices.

Connect your USB-powered devices to the 5V/1.5A USB ports on the front panel. These ports provide a fixed 5V output at up to 1.5A for charging or powering compatible devices.

6.6 Tietokoneohjelmiston ohjaus

Screenshot of the PC software interface controlling the HANMATEK HM305T power supply

Figure 7: The PC software interface allows for remote control, data logging, and advanced programming of the HM305T power supply.

Install the provided software on your computer. Connect the power supply to your PC using the USB communication cable. The software allows for remote control of voltage and current, data logging, and advanced programming functions. Refer to the software's dedicated help documentation for detailed usage instructions.

7. Huolto

7.1 Puhdistus

Puhdista virtalähteen ulkopinta säännöllisesti pehmeällä, kuivalla liinalla. Älä käytä hankaavia puhdistusaineita tai liuottimia. Varmista, että laite on sammutettu ja irrotettu verkkovirrasta ennen puhdistamista.

7.2 tuuletin

Close-up of the cooling fan on the rear of the HANMATEK HM305T

Figure 8: The rear cooling fan ensures proper heat dissipation for stable operation.

Periodically check the cooling fan and its vents for dust accumulation. Use compressed air to gently clear any dust to ensure proper airflow and prevent overheating. Do not attempt to disassemble the unit to clean the fan.

7.3 Sulakkeen vaihto

Close-up of the fuse holder on the rear of the HANMATEK HM305T

Figure 9: The fuse holder is located on the rear panel, integrated with the AC power input.

If the unit fails to power on, the fuse may need replacement. Ensure the power supply is disconnected from the mains. Carefully remove the fuse holder from the AC power input socket using a small flat-head screwdriver. Replace the fuse with one of the same type and rating (refer to specifications for details). Reinsert the fuse holder securely.

8. Vianmääritys

  • Ei virtaa:
    • Check if the power cable is securely connected to both the unit and the mains outlet.
    • Verify the mains outlet is functional.
    • Check and replace the fuse if necessary (refer to Section 7.3).
  • Ei lähtöä Voltage/Nykyinen:
    • Varmista, että Lähtö -painiketta painetaan ja sen LED-valo palaa.
    • Check if OVP or OCP limits have been triggered. Adjust limits or reset the unit if protection is active.
    • Verify that the load is correctly connected to the output terminals.
    • Varmista, että asetettu voltage- ja virta-arvot eivät ole nollia.
  • Väärät lukemat:
    • Ensure proper connection of test leads to the load.
    • Compare readings with a calibrated multimeter to verify accuracy. If significant discrepancies exist, contact support.
  • Memory Settings Not Saving (M1-M6):
    • Ensure you are pressing and holding the memory key for approximately 3 seconds to save. A brief press will recall.
    • If issues persist, try a factory reset (refer to manual for specific procedure, if available, or contact support).
  • Tietokoneohjelmiston yhteysongelmat:
    • Varmista, että USB-kaapeli on liitetty kunnolla.
    • Varmista, että tietokoneellesi on asennettu oikeat ajurit.
    • Check the software settings for the correct COM port selection.

9. Turvallisuustiedot

Observe the following safety precautions to prevent electric shock, injury, or damage to the unit:

  • Liitä virtalähde aina maadoitettuun pistorasiaan.
  • Älä käytä laitetta märässä tai kuivassa paikassaamp ehdot.
  • Älä avaa c:täasinvirtalähteen g. Sisällä ei ole käyttäjän huollettavissa olevia osia, ja sen tekeminen mitätöi takuun ja aiheuttaa sähköiskun vaaran.
  • Varmista laitteen ympärillä asianmukainen ilmanvaihto ylikuumenemisen estämiseksi.
  • Älä ylitä enimmäistilavuuttatage and current ratings of the power supply or the connected load.
  • Hyödynnä Over Vol -toimintoatage Protection (OVP) and Over Current Protection (OCP) features to safeguard your circuits.
  • Disconnect the power supply from the mains before performing any maintenance or connecting/disconnecting loads.
  • Pidä lapset poissa laitteesta.
Sisäinen view of the HANMATEK HM305T power supply highlighting multiple protection circuits

Figure 10: The internal components of the HM305T are designed with multiple protection features including overvoltage, overcurrent, overpower, overtemperature, and short-circuit protection.

10. Tekniset tiedot

ParametriArvo
MalliHM305T
Lähtö Voltage Alue0-30V
Lähtövirta-alue0-5A
Lähtöteho150 wattia
Voitage Resoluutio10mV
Nykyinen resoluutio1mA
Näyttö4-numeroinen LED (äänenvoimakkuustage, Current, Power, Time)
SuojausominaisuudetOVP, OCP, OPP, OTP, Short-Circuit
USB-latausportit2 x 5V/1.5A
ViestintäliittymäUSB
MateriaaliPC (polykarbonaatti)
Mitat (P x L x K)35.61 x 21.49 x 17.81 cm (noin 14 x 8.5 x 7 tuumaa)
Paino2.42 kg (noin 5.34 lbs)
Dimensions of the HANMATEK HM305T power supply: 11 inches long, 6.5 inches high, 5.1 inches wide

Figure 11: Approximate dimensions of the HM305T power supply.

11. Takuu ja tuki

The HANMATEK HM305T Programmable DC Power Supply comes with a standard manufacturer's warranty. For specific warranty terms, please refer to the warranty card included in your package or visit the official HANMATEK websivusto.

For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact HANMATEK customer service through their official channels. Provide your model number (HM305T) and purchase details when contacting support.