1. Увод
The KKmoon KKM828 is a versatile 2-in-1 device combining the functionalities of a digital multimeter and an oscilloscope. Designed for efficiency and accuracy, it features a 2.4-inch color display, a 1MHz bandwidth for AC voltage, and a 2.5Msps real-time sampling rate. This manual provides essential information for safe and effective operation of your KKM828 device.
2. Безбедносне информације
Please read and understand all safety instructions before using the device. Failure to follow these instructions may result in electric shock, fire, or damage to the device or other equipment.
- Always ensure the device is in good working condition and free from damage before use.
- Немојте примењивати волtage or current that exceeds the maximum limits specified in the technical specifications.
- Будите опрезни када радите са волtages above 24V, as they pose a shock hazard. The device will emit an audible warning if the input voltagе прелази 24В.
- Пре мерења се уверите да су изабрани исправна функција и опсег.
- Одмах замените батерије када се појави индикатор празне батерије како бисте осигурали тачна очитавања.
- The device is equipped with double fuses (500mA/250V and 10A/250V) for protection. Do not bypass or use incorrect fuse types.
- Не користите уређај у влажним окружењима или експлозивним атмосферама.
- Refer to the "Maintenance" section for proper cleaning and storage procedures.
3. Производ је готовview
The KKmoon KKM828 integrates a digital multimeter and an oscilloscope into a compact, handheld unit. Key components and features are detailed below.
3.1 Кључне карактеристике
- 2-у-1 функционалност: Combines a digital multimeter and an oscilloscope.
- Приказ: 2.4-inch 320x240 LCM color screen for clear readings and waveform display.
- Oscilloscope Performance: 1MHz ACV bandwidth, 2.5Msps real-time sampлинг рате.
- Multimeter Functions: Мере АЦ/ДЦ волtage, AC/DC current, resistance, capacitance, frequency, duty cycle, diode, and continuity.
- Складиштење података: Stores up to 100 sets of data and 10 waveforms.
- Кориснички интерфејс: Silicone buttons and a pressure-sensitive dial for precise function selection.
- Ергономија: Integrated back bracket for a 60° viewугао уласка.
- безбедност: Double fuse protection (500mA/250V, 10A/250V) and input voltagе упозорење.
3.2 Компоненте уређаја
Refer to the image below for an overview of the device's main components.
Figure 1: KKM828 Product Details. This image highlights the device's HD color screen (01), the function dial for accurate gear changes (02), and the back bracket (03) for easy viewинг.
- ХД екран: 2.4-inch color screen for clear display of measurements and waveforms.
- Точкић функција: Rotary switch for selecting measurement functions (voltage, current, resistance, etc.) and oscilloscope mode.
- Buttons (F1-F4, R, S): Used for navigating menus, selecting ranges, holding data, and other specific functions.
- Улазни прикључци: Terminals for connecting test leads for various measurements (e.g., VΩHz, mA, 10A, COM).
- Back Bracket: Foldable stand for propping up the device at a 60° angle for convenient viewинг.
4. Подешавање
4.1 Инсталација батерије
The KKM828 requires three AA batteries for operation. Ensure the device is powered off before installing or replacing batteries.
- Пронађите поклопац одељка за батерију на задњој страни уређаја.
- Open the battery compartment cover by sliding or unscrewing it (if applicable).
- Insert three AA batteries, observing the correct polarity (+ and -) as indicated inside the compartment.
- Добро затворите поклопац одељка за батерије.
4.2 Укључивање/искључивање
To power on the device, rotate the function dial from the "OFF" position to any desired measurement function. To power off, rotate the dial back to the "OFF" position.
5. Упутство за употребу
5.1 Функције мултиметра
The KKM828 offers a comprehensive range of multimeter measurement capabilities. Always connect test leads correctly to the appropriate input jacks (e.g., COM, VΩHz, mA, 10A) for the selected function.
- АЦ/ДЦ Волtagе Мерење: Rotate the dial to the 'V~' or 'V=' position. Connect test leads in parallel with the circuit.
- Мерење АЦ/ДЦ струје: Rotate the dial to the 'mA~', 'mA=', '10A~', or '10A=' position. Connect test leads in series with the circuit.
- Мерење отпора: Rotate the dial to the 'Ω' position. Ensure the circuit is de-energized before measuring resistance.
- Мерење капацитивности: Rotate the dial to the 'mF' position. Discharge capacitors before measurement.
- Frequency and Duty Cycle Measurement: Rotate the dial to the 'Hz%' position.
- Тест диода: Rotate the dial to the 'Diode' position. Connect leads across the diode to check forward voltagе дроп.
- Тест континуитета: Rotate the dial to the 'Continuity' position. The device will beep if resistance is below approximately 50Ω.
Figure 2: Multimeter Measurement Exampлес. This image illustrates the display during Frequency, Duty Cycle, Diode Test, and Continuity measurements, demonstrating the device's various multimeter functions.
5.2 Функције осцилоскопа
The KKM828 features a convenient one-button oscilloscope for waveform analysis.
- Rotate the function dial to the 'Graphical' (oscilloscope) mode.
- Connect the test leads to the circuit where you wish to observe the waveform.
- The device will automatically display the waveform. Use the secondary display at the bottom to view parameters such as Peak-to-Peak voltage (VP-P), average value, RMS value, frequency, time base, and ampлитуде.
- Measurement modes include 'Normal' and 'Automatic'. The device can quickly and accurately measure and display waveforms.
Figure 3: Oscilloscope Waveform Display. Ова слика приказује бившегamples of different electrical waveforms (sine, square, pulse, complex) as displayed on the KKM828's oscilloscope screen, along with key measurement parameters.
5.3 Чување и опозив података
The KKM828 can store up to 100 sets of measurement data and 10 waveforms for later review.
- Specific instructions for saving and recalling data are typically accessed via the function buttons (e.g., 'S' for Save, 'R' for Recall) in relevant measurement modes. Refer to the on-screen prompts for detailed operation.
- The device allows for simultaneous display of historical records and real-time data for easy comparison and analysis.
6. Одржавање
6.1 Чишћење
To clean the device, wipe the casinг са огласомamp cloth and a mild detergent. Do not use abrasive cleaners or solvents. Ensure the device is powered off and disconnected from any circuits before cleaning. Do not allow moisture to enter the device.
6.2 Замена батерије
When the low battery indicator appears on the display, replace the three AA batteries as described in the "Battery Installation" section (4.1). Always use fresh batteries of the same type.
6.3 Складиштење
When not in use for extended periods, remove the batteries to prevent leakage. Store the device in a cool, dry place within the specified storage environment: -10°C to 60°C, with relative humidity less than 90% RH.
КСНУМКС. Решавање проблема
This section addresses common issues you might encounter with your KKM828 device.
| Проблем | Могући узрок | Решење |
|---|---|---|
| Уређај се не укључује. | Мртве или неправилно инсталиране батерије. | Проверите поларитет батерија и замените их новим АА батеријама. |
| Нема очитавања или се приказује „OL“ (преоптерећење). | Incorrect range selected, open circuit, or input exceeds maximum limit. | Select appropriate range, check test lead connections, ensure circuit is closed. Verify input does not exceed specifications. |
| Нетачна мерења. | Low battery, incorrect connection, or environmental factors. | Replace batteries, re-check test lead connections, ensure operating environment is within specified range. |
| Oscilloscope waveform is unstable or absent. | Poor connection, signal too weak/strong, or incorrect mode. | Ensure secure test lead connection. Adjust amplitude or time base if available (though KKM828 is mostly auto-ranging). Verify signal source. |
| Device beeps continuously. | Инпут волtage exceeds 24V (safety warning). | Immediately disconnect the device from the circuit and verify the voltage level. Do not proceed if voltagе је превисоко. |
8. Спецификације
The following table details the technical specifications of the KKmoon KKM828.
| Параметар | Валуе |
|---|---|
| Модел | KKM828 |
| Дисплаи | 2.4-inch 320 x 240 LCM Color Screen |
| Инпут Ресистанце | 10 МΩ |
| Тип батерије | 3 к АА батерије (нису укључене) |
| Потрошња енергије | Прибл. 80 мА |
| Operating Time (low brightness) | Прибл. 5 сата |
| Складиштење података | 100 data sets / 10 waveforms |
| Оперативно окружење | 0 ~ 40 °C, <75% RH |
| Окружење за складиштење | -10 ~ 60 °C, <90% RH |
| Bandwidth (ACV) | 1 МХз |
| Bandwidth (ACA) | 5 КХз |
| Max. Real-time Sampлинг Рате | 2.5 Мспс |
| Multimeter Range (DC Voltage) | 400mV / 4V / 40V / 400V / 1000V (Accuracy: 0.75% rdg + 10dgt) |
| Multimeter Range (AC Voltage) | 400mV / 4V / 40V / 400V / 750V (Accuracy: 1.0% rdg + 10dgt) |
| Multimeter Range (DC Current) | 40mA / 400mA / 4A / 10A (Accuracy: 1.2% rdg + 10dgt) |
| Multimeter Range (AC Current) | 40mA / 400mA / 4A / 10A (Accuracy: 1.5% rdg + 10dgt) |
| Multimeter Range (Resistance) | 400.0 Ω ~ 40.00 MΩ (Accuracy: 1.0% rdg + 5dgt) |
| Multimeter Range (Capacitance) | 0.1nF ~ 100, 10.00mF (Accuracy: 2.0% rdg + 10dgt) |
| Multimeter Range (Frequency) | 5Hz ~ 10MHz (Accuracy: 1.0% rdg + 5dgt) |
| Multimeter Range (Duty Cycle) | 0.1 % ~ 99.9 % (Accuracy: 1.0% rdg + 5dgt) |
| Диодни тест | Волtage approx. 5V, Test current approx. 1.5mA |
| Тест континуитета | Buzzer sounds if resistance < 50Ω |
| Спецификације осигурача | 500mA / 250V, 10A / 250V |
| Димензије | 160 к 83 к 32 мм |
| Тежина | 195 г |