1. 서론
The OWON SPE3103 is a single-channel programmable DC power supply designed for laboratory and industrial applications. It features a compact design, high resolution (10mV / 1mA), and a 2.8-inch TFT LCD display for clear readings. This power supply offers a list waveform editing output function, allowing for up to 10 groups of timing outputs. It incorporates low ripple/noise characteristics, along with essential protection features such as over voltage protection (OVP) and over current protection (OCP). The unit also includes output voltage and current curve monitoring, intelligent temperature-controlled fan cooling, and a USB communication interface supporting SCPI commands.
2. 안전 지침
Please read and understand these safety instructions before operating the OWON SPE3103 power supply. Failure to comply may result in injury or damage to the instrument.
- 접지: Always connect the power supply to a properly grounded AC power outlet to prevent electric shock.
- 전원: 입력 볼륨을 확인하세요tage matches the rating specified on the rear panel of the instrument.
- 통풍: Do not block the ventilation openings. Ensure adequate airflow around the unit to prevent overheating.
- 환경: Operate the instrument in a dry, well-ventilated area, away from direct sunlight, high temperatures, humidity, and corrosive gases.
- 액체 접촉: Avoid exposing the instrument to liquids. Do not operate with wet hands.
- 서비스: Do not attempt to open or service the instrument yourself. Refer all servicing to qualified personnel.
- 퓨즈: Replace fuses only with the specified type and rating.
3. 패키지 내용
아래 나열된 모든 품목이 패키지에 들어 있는지 확인하세요.
- 1 x OWON SPE3103 Power Supply Main Device
- 1 X 전원 코드
- 1 x 사용자 매뉴얼(이 문서)
- 1 x 퓨즈
- 1 x 테스트 리드
4. 제품 오버view
4.1 전면 패널
The front panel features the 2.8-inch TFT LCD display, control buttons, a rotary encoder, and output terminals.
이미지 설명: This image displays the front panel of the OWON SPE3103 power supply. It shows the main display screen indicating voltage and current readings, control buttons for voltage (V), current (I), OVP, OCP, Display, Memory, and On/Off. A rotary encoder is visible on the right side. Below the display are the 5V 1A USB charging port and the red (positive), green (ground), and black (negative) output terminals.
4.2 후면 패널
The rear panel includes the AC power input, fuse holder, power switch, and cooling fan.
이미지 설명: This image shows the rear panel of the OWON SPE3103 power supply. It features a prominent cooling fan grille, an AC power input socket, a fuse holder, and a main power switch. A warning label regarding electrical shock and grounding is also visible.
4.3 치수
The unit has a compact form factor, with approximate dimensions of 82mm (Width) x 142mm (Height) x 226mm (Length).
이미지 설명: This image illustrates the dimensions of the OWON SPE3103 power supply, showing its width (82mm), height (142mm), and length (226mm). An internal view of the power supply's circuit board is also depicted, highlighting its internal components.
5. 설정
5.1 전원 연결
- 후면 패널의 전원 스위치가 OFF 위치에 있는지 확인하십시오.
- Connect the provided power cord to the AC power input socket on the rear panel of the instrument.
- Plug the other end of the power cord into a properly grounded AC power outlet. Verify that the outlet voltage matches the instrument's rating (110Vac or 220Vac, as marked on the rear panel).
5.2 테스트 리드 연결
- Connect the red test lead to the red (positive) output terminal.
- Connect the black test lead to the black (negative) output terminal.
- If grounding is required for the connected load, use the green terminal.
- Connect the other ends of the test leads to your load or circuit, observing correct polarity.
6. 사용 설명서
6.1 전원 켜기/끄기
- To power on, flip the main power switch on the rear panel to the ON position. The display will illuminate.
- To power off, flip the main power switch on the rear panel to the OFF position.
6.2 볼륨 설정tage와 현재
- 를 누르세요 V 볼륨을 선택하기 위한 버튼tage adjustment mode. The voltage setting on the display will become active.
- Rotate the rotary encoder to adjust the desired voltage value. Press the encoder to move between digits for fine adjustment.
- 를 누르세요 I button to select current adjustment mode. The current setting on the display will become active.
- Rotate the rotary encoder to adjust the desired current limit. Press the encoder to move between digits.
- 설정 후, 켜기/끄기 button (output control) to enable or disable the output. The display will show the actual output voltage and current when enabled.
6.3 오버볼tag과전류 보호(OVP) 및 과전류 보호(OCP)
The SPE3103 includes OVP and OCP functions to protect the connected load and the power supply itself.
- 를 누르세요 오비피(OVP) button to set the over voltage protection threshold. Use the rotary encoder to adjust the value.
- 를 누르세요 오씨피 button to set the over current protection threshold. Use the rotary encoder to adjust the value.
- When an OVP or OCP event occurs, the output will be disabled, and an indicator will typically appear on the display.
6.4 메모리 함수
The power supply allows saving and recalling frequently used voltag전자 및 현재 설정.
- 를 누르세요 메모리 button to access memory functions.
- Follow the on-screen prompts to save current settings to a memory location or recall settings from a saved location.
6.5 파형 편집 출력 목록
The SPE3103 supports editing and outputting up to 10 groups of timing sequences for voltage and current. Refer to the detailed programming guide (if available separately) for advanced configuration of list waveform outputs.
6.6 USB 통신
The unit features a USB communication interface for remote control and data logging, supporting the SCPI (Standard Commands for Programmable Instruments) protocol. Connect the power supply to a computer using a USB cable. Install the necessary drivers and software (available from the manufacturer's website) to utilize this feature.
7. 유지관리
7.1 청소
To clean the instrument, disconnect it from the power source. Use a soft, damp cloth with a mild detergent. Do not use abrasive cleaners or solvents. Ensure no liquid enters the instrument.
7.2 퓨즈 교체
If the power supply does not turn on, the fuse may need replacement. Disconnect the power cord from the AC outlet. Locate the fuse holder on the rear panel. Use a suitable tool to open the fuse holder, remove the old fuse, and replace it with a new fuse of the identical type and rating (e.g., 250V, F5A for 220Vac input or 250V, F10A for 110Vac input, as specified on the unit). Close the fuse holder securely.
8. 문제 해결
This section addresses common issues you might encounter with the SPE3103 power supply.
- 전원 없음:
- Check if the power cord is securely connected to both the instrument and the AC outlet.
- Ensure the main power switch on the rear panel is in the ON position.
- AC 콘센트가 정상적으로 작동하는지 확인하십시오.
- 퓨즈를 점검하고 필요한 경우 교체하십시오(7.2절 참조).
- 출력 없음tag현재:
- Ensure the output is enabled by pressing the 켜기/끄기 전면 패널의 버튼.
- Check if OVP or OCP has been triggered. Reset if necessary.
- 테스트 리드가 출력 단자와 부하에 올바르게 연결되었는지 확인하십시오.
- 볼륨 설정을 확인하세요tage and current limits are appropriate for the connected load.
- 불안정한 출력:
- Check for loose connections in the test leads or load.
- Ensure the load is within the power supply's operating range.
- Verify proper ventilation to prevent overheating.
9. 사양
The following table details the technical specifications for the OWON SPE3103 Programmable DC Power Supply. The instrument must be operated continuously for more than 30 minutes at the specified operating temperature to achieve these specifications.
| 범주 | 매개변수 | SPE3103 |
|---|---|---|
| 입력 특성 | 공급량tage | 110Vac±15% or 220Vac±15% |
| 입력 주파수 | 45~65Hz | |
| Input Parameter 1 (110Vac±15%) | ||
| 입력 Voltag및 범위 | 93-127Vac | |
| 전체 부하 입력 전류 | ≤5.6A | |
| 무부하 입력 전류 | ≤300mA | |
| 입력 퓨즈 | 250V,F10A | |
| Input Parameter 2 (220Vac±15%) | 입력 Voltag및 범위 | 187-253Vac |
| 전체 부하 입력 전류 | ≤2.8A | |
| 무부하 입력 전류 | ≤150mA | |
| 입력 퓨즈 | 250V,F5A | |
| 정격 출력 | 권tage | 0-30V |
| 현재의 | 0-10A | |
| 힘 | 300와트 | |
| 효율(110Vac, 정격 부하) | 80% | |
| Regulation (CV) | 짐 | 30mV 이하 |
| 선 | 20mV 이하 | |
| 효율(220Vac, 정격 부하) | 85% | |
| Regulation (CC) | 짐 | ≤30mA |
| 선 | ≤20mA | |
| 리플 및 노이즈(노이즈 대역폭 20MHz, 리플 대역폭 1MHz, 테스트를 위해 출력 단자에 10uF 세라믹 커패시터와 병렬로 0.1uF 전해 커패시터 연결) | 권tage(Vp-p) | 30mV 이하 |
| 권tag전자(실효값) | 3mV 이하 | |
| 현재(앱-p) | ≤30mA | |
| 해상도 설정 | 권tage | 10mV |
| 현재의 | 1mA | |
| 리드백 해결 | 권tage | 1mV |
| 현재의 | 1mA | |
| 정확도 설정 | 권tage | ≤0.1%±20mV |
| 현재의 | ≤0.1%±10mA | |
| 리드백 정확도 | 권tage | ≤0.1%±20mV |
| 현재의 | ≤0.1%±10mA | |
| 응답 시간 | Transient recovery time (50%-100% rated load) | ≤1ms |
| 보호기능 | 오비피(OVP) | 0-31V |
| 오씨피 | 0-10.1A | |
| 오티피 | 85도 | |
| 출력 온도 계수 | 권tage | 100ppm/℃ |
| 현재의 | 200ppm/℃ | |
| 리드백 값의 온도 계수 | 권tage | 100ppm/℃ |
| 현재의 | 200ppm/℃ | |
| 표시하다 | 해결 | 240 × 320 픽셀 |
| 색상 | 65536 컬러, TFT | |
| 환경 | 작동 온도 | 0℃ ~ 40℃ |
| 보관 온도 | -20도 ~ 60도 | |
| 상대 습도 | ≤90%RH; 결로 없음 | |
| 키 | 2,000 미터 | |
| 냉각 | 팬 냉각, 온도 지능형 속도 제어 | |
| 다른 | 통신 포트 | USB communication, compatible with SCPI communication protocol |
| USB 충전 포트 | 5V/1A USB 충전 | |
| 차원 | 82mm (Width) × 142mm (Height) × 226mm (Length) | |
| 무게 | 약 1.5kg |
이미지 설명: This section combines information from three images (512iIAsAuML.jpg, 51j+PwnHStL.jpg, 41MdcFYV4eL.jpg) to present a comprehensive technical specification table for the SPE3103 power supply. It details input characteristics, rated output, regulation, ripple & noise, resolution, accuracy, response time, protective functions (OVP, OCP, OTP), temperature coefficients, display features, environmental conditions, and other specifications like communication ports, USB charging, dimensions, and weight.
10. 보증 및 지원
The OWON SPE3103 Programmable DC Power Supply is manufactured by LILLIPUT. For warranty information, technical support, or service inquiries, please contact the manufacturer or your authorized distributor. Retain your purchase receipt as proof of purchase for warranty claims.