1. Танилцуулга
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.

Figure 1: HANMATEK HM305T Programmable DC Power Supply overview, highlighting key features such as overvoltage protection, overcurrent protection, and intelligent temperature control.
2. Үндсэн шинж чанарууд
The HANMATEK HM305T is equipped with advanced features to ensure precision, safety, and versatility:
- High Precision Output: 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.
- Олон хамгаалалтын функцууд: Over Voltage Protection (OVP), Over Current Protection (OCP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short-Circuit Protection.
- Програмчлагдах удирдлага: Connects to a PC via USB for software control and programming functions.
- Хос USB цэнэглэгч портууд: Front-panel 5V 1.5A USB ports for convenient device charging.
- Санах ойн сан: Six groups of parameter shortcut keys (M1-M6) for quick recall of frequently used settings.
- Intelligent Cooling Fan: Automatically adjusts fan speed based on temperature to maintain optimal operating conditions.
- Гаралтын асаах/унтраах унтраалга: One-key control for output, allowing pre-setting of values before activation.
- Гарын түгжээ: Ашиглалтын явцад тохиргоог санамсаргүй өөрчлөхөөс сэргийлнэ.

Figure 2: The HM305T features a high-precision four-digit display for voltage, current, and power, shown alongside other measurement devices for comparison.
3. Багцын агуулга
Хайрцгийг задлахдаа бүх зүйл багцад байгаа эсэхийг шалгана уу:
- HANMATEK HM305T Programmable DC Power Supply
- Цахилгаан кабель
- USB холбооны кабель
- Test Leads (Alligator clips)
- Зааварчилгааны гарын авлага
- Software CD (for PC control)

Figure 3: All items included in the HANMATEK HM305T package, neatly arranged.
4. Бүтээгдэхүүн дууссанview болон Хяналтууд
Familiarize yourself with the front and rear panels of the power supply.

Figure 4: Detailed diagram of the HM305T's front and rear panels, indicating the location and function of all controls and ports.
Урд самбарын удирдлага:
- Ботьtage Дэлгэц: Гаралтын ботийг харуулнаtage.
- Одоогийн дэлгэц: Гаралтын гүйдлийг харуулна.
- Power/Menu/Status Display: Shows output power, menu options, or status.
- Time/Status Display: Shows output time or status.
- Ботьtage 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 эсвэл одоогийн.
- Боть гаруйtage Setting Key (OVP): Sets the overvoltage хамгаалалтын хязгаар.
- Over Current Setting Key (OCP): Sets the overcurrent protection limit.
- Output On/Off Switch: Цахилгаан гаралтыг асаана/унтраана.
- Memory Shortcut Keys (M1-M6): Store and recall up to six sets of voltage ба одоогийн параметрүүд.
- 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.
- Гаралтын терминалууд: Positive (+), Negative (-), and Ground (GND) connections for load.
Арын самбарын бүрэлдэхүүн хэсгүүд:
- Хөргөх сэнс: Dissipates heat from the unit.
- USB холбооны интерфейс: Connects to a PC for software control.
- AC цахилгаан оролт: Connects the power supply to the mains electricity.
- Гал хамгаалагч: Хамгаалалтын гал хамгаалагчийг агуулдаг.
5. Тохиргоо
- Байршил: Place the power supply on a stable, level surface with adequate ventilation. Ensure the cooling fan at the rear is not obstructed.
- Эрчим хүчний холболт: Connect the provided AC power cable to the AC Power Input on the rear panel and then to a suitable mains power outlet.
- USB холболт (заавал биш): 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 webсайт.
- Анхны асаалт: Press the Power Button on the front panel to turn on the unit. The display will illuminate.
6. Ашиглалтын заавар
6.1 Тохиргоо ботьtage ба одоогийн
- Ensure the output is OFF (Output button LED is off).
- дээр дарна уу UCV (Ботьtage Setting) key. The voltage display will start blinking.
- -г эргүүл Rotating Jog Wheel to adjust the desired voltage. Press the jog wheel to move between digits for fine adjustment.
- дээр дарна уу ICC (Current Setting) key. The current display will start blinking.
- -г эргүүл Rotating Jog Wheel to adjust the desired current limit. Press the jog wheel to move between digits.
- Once settings are complete, press the Гаралт button to enable the power output. The Output button LED will illuminate.
6.2 Using Memory Functions (M1-M6)

Figure 5: The memory buttons (M1-M6) allow for quick storage and recall of frequently used voltage болон одоогийн тохиргоо.
- Тохиргоог хадгалахын тулд: Хүссэн хэмжээгээ тохируулна ууtage 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.
- Тохиргоог санахын тулд: Briefly press the desired memory key (M1-M6). The stored voltage and current values will be loaded.
6.3 гаруй ботьtage Protection (OVP) and Over Current Protection (OCP)
These functions protect your connected load from excessive voltage эсвэл одоогийн.
- Setting OVP: дээр дарна уу OVP key. The OVP value will blink. Use the Rotating Jog Wheel to set the maximum allowable output voltagд. Дарна уу OVP дахин баталгаажуулна уу.
- Setting OCP: дээр дарна уу OCP key. The OCP value will blink. Use the Rotating Jog Wheel to set the maximum allowable output current. Press OCP дахин баталгаажуулна уу.
6.4 Гарын түгжээ
Тохиргоог санамсаргүй өөрчлөхөөс сэргийлэхийн тулд товчлуурыг удаан дарна уу ESC/Lock key for 3 seconds to lock the keyboard. Repeat to unlock.
6.5 Using Dual USB Charging Ports

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 Компьютерийн програм хангамжийн хяналт

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. Засвар үйлчилгээ
7.1 Цэвэрлэгээ
Regularly clean the exterior of the power supply with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure the unit is powered off and disconnected from the mains before cleaning.
7.2 хөргөх сэнс

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 Гал хамгаалагч солих

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. Алдаа засах
- Эрчим хүчгүй:
- Цахилгааны кабель нь төхөөрөмж болон цахилгаан залгуурт найдвартай холбогдсон эсэхийг шалгана уу.
- Verify the mains outlet is functional.
- Check and replace the fuse if necessary (refer to Section 7.3).
- Гаралтгүй Ботьtagд/Одоогийн:
- -ийг баталгаажуулах Гаралт button is pressed and its LED is illuminated.
- 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.
- Тогтоосон хэмжээг баталгаажуулна ууtage and current values are not zero.
- Буруу уншилтууд:
- 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).
- PC Software Connection Issues:
- USB кабель найдвартай холбогдсон эсэхийг шалгана уу.
- Ensure the correct drivers are installed on your PC.
- Check the software settings for the correct COM port selection.
9. Аюулгүй байдлын мэдээлэл
Observe the following safety precautions to prevent electric shock, injury, or damage to the unit:
- Цахилгаан тэжээлийг газардуулсан залгуурт байнга холбоно.
- Төхөөрөмжийг нойтон эсвэл хэт халуун газар ажиллуулж болохгүйamp нөхцөл.
- c-г нээж болохгүйasinцахилгаан хангамжийн g. Дотор нь хэрэглэгчийн засвар үйлчилгээ хийх эд анги байхгүй бөгөөд ингэснээр баталгаат хугацаа хүчингүй болж, цахилгаанд цохиулах эрсдэлтэй.
- Хэт халалтаас урьдчилан сэргийлэхийн тулд төхөөрөмжийн эргэн тойронд агааржуулалтыг сайтар хангана.
- Хамгийн их хэмжээнээс хэтэрч болохгүйtage and current ratings of the power supply or the connected load.
- Utilize the Over Voltage 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.
- Хүүхдийг төхөөрөмжөөс хол байлга.

Figure 10: The internal components of the HM305T are designed with multiple protection features including overvoltage, overcurrent, overpower, overtemperature, and short-circuit protection.
10. Техникийн үзүүлэлтүүд
| Параметр | Үнэ цэнэ |
|---|---|
| Загвар | HM305T |
| Гаралтын ботьtage Хамрах хүрээ | 0-30 В |
| Гаралтын гүйдлийн хүрээ | 0-5A |
| Гаралтын хүч | 150 ватт |
| Ботьtage Шийдвэрлэх | 10мкв |
| Одоогийн тогтоол | 1мА |
| Дэлгэц | 4 оронтой LED (Volttage, Current, Power, Time) |
| Хамгаалалтын онцлог | OVP, OCP, OPP, OTP, Short-Circuit |
| USB цэнэглэх портууд | 2 x 5V/1.5A |
| Харилцаа холбооны интерфейс | USB |
| Материал | PC (поликарбонат) |
| Хэмжээ (L x W x H) | 35.61 x 21.49 x 17.81 см (ойролцоогоор 14 x 8.5 x 7 инч) |
| Жин | 2.42 кг (ойролцоогоор 5.34 фунт) |

Figure 11: Approximate dimensions of the HM305T power supply.
11. Баталгаат хугацаа ба дэмжлэг
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 webсайт.
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.





