1. Увод
The FNIRSI 2C53T is a versatile 3-in-1 handheld device designed for electronic testing and measurement. It integrates the functionalities of a digital oscilloscope, a true RMS multimeter, and a signal generator into a single, portable unit. This manual provides detailed instructions for the safe and effective use of your device.

Слика 1.1: The FNIRSI 2C53T handheld device, showcasinг његов компактан дизајн и интегрисани дисплеј.
2. Производ је готовview
The FNIRSI 2C53T combines three essential tools for electrical and electronic work:
- Digital Oscilloscope: 2 channels, 50MHz bandwidth, 250MS/s real-time sampле рате.
- True RMS Multimeter: 4.5 digits, 19999 counts, capable of measuring voltage, current, resistance, capacitance, diode, continuity, and temperature.
- Генератор сигнала: Outputs 13 types of waveforms with adjustable frequency (0-50KHz), amplitude (0-3V), and duty cycle (0-100%).
The device features a robust hardware architecture (ARM + FPGA + ADC) for enhanced performance and flexibility. It also includes a 2.8-inch wide-angle display for clear readability.

Слика 2.1: Фронт view of the FNIRSI 2C53T, showing the display, control buttons, and input terminals.
Укључене компоненте:
- Главна јединица FNIRSI 2C53T
- P6100 High Voltage Probe (x2)
- Alligator Clip (x1)
- Test Probe (x1)
- Кабл за пуњење типа C (x1)
- Торба за складиштење (x1)
- Упутство за употребу (к1)
- Кутија за паковање (x1)
3. Подешавање
3.1 Пуњење уређаја
The 2C53T has a built-in rechargeable lithium polymer battery. Before first use, fully charge the device using the provided Type-C charging cable and a compatible USB power adapter (not included). The charging port is located on the side of the device.
- Повежите кабл типа C са портом за пуњење уређаја.
- Повежите други крај кабла на УСБ извор напајања.
- Индикатор батерије на екрану ће приказивати статус пуњења.
- A full charge provides approximately 6 hours of standby time.
3.2 Укључивање/искључивање
Притисните и држите дугме за напајање (обично означено симболом за напајање) да бисте укључили или искључили уређај.
3.3 Повезивање сонди
Depending on the function you intend to use (oscilloscope or multimeter), connect the appropriate probes to the designated input terminals on the device. Ensure connections are secure.

Слика 3.1: Illustrations of the Type-C charging port, internal battery, and the integrated stand for convenient placement.
4. Упутство за употребу
The FNIRSI 2C53T offers three primary operating modes: Oscilloscope, Multimeter, and Signal Generator. Please note that these three functions cannot be used simultaneously.
4.1 Функција осцилоскопа
The oscilloscope mode allows for the visualization and analysis of electrical signals.
- Канали: The device features 2 input channels.
- пропусни опсег: КСНУМКСМХз.
- Sampле Рате: 250MS/s real-time.
- Режими окидача: Select from Auto, Normal, or Single trigger modes to stabilize waveforms.
- Вертикална осетљивост: Adjustable from 200mv/div to 10v/div.
- Макимум Инпут Волtage: 400В.
- Режими приказа: Choose between Y-T (standard time-domain display), Roll (for slow-changing signals), and X-Y (for Lissajous figures).
- Напредне функције: Includes mathematical operations, cursor measurement, FFT spectrum analysis, and persistence display for detailed waveform analysis.

Слика 4.1: Examples of oscilloscope display features, including mathematical operations, cursor measurements, persistence display, and X-Y mode for Lissajous figures.
4.2 Функција мултиметра
The multimeter mode provides precise digital measurements of various electrical parameters.
- Приказ: 4.5 digits with 19999 counts.
- Прави РМС: Пружа тачна очитавања за несинусоидне таласне облике.
- Могућности мерења: ДЦ/АЦ Волtage, DC/AC Current, Resistance, Capacitance, Diode, Continuity Check, and Temperature.
- Maximum Measurements: AC 750V, DC 1000V.
- Аутоматско рангирање: Automatically selects the appropriate measurement range; simply press the AUTO button.

Слика 4.2: The multimeter interface displaying various measurement options such as voltage, current, resistance, and capacitance.
4.3 Функција генератора сигнала
The signal generator mode allows you to output various waveforms for testing circuits.
- Типови таласних облика: Outputs 13 types of parameter-variable waveforms, including Sine, Square, Pulse, Ramp, Noise, and DC.
- Излазна фреквенција: Adjustable from 0 to 50KHz.
- Излаз Ampдужина: Adjustable from 0 to 3V.
- Output Duty Cycle: Adjustable from 0% to 100%.

Слика 4.3: The signal generator interface showing examples of different output waveforms such as sine, square, and pulse waves.
5. Одржавање
Proper maintenance ensures the longevity and accuracy of your FNIRSI 2C53T.
- Чишћење: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners or solvents. Ensure no liquids enter the device.
- Одржавање батерије: To prolong battery life, avoid fully discharging the device frequently. If storing for extended periods, charge the battery to approximately 50% and recharge every few months.
- Складиштење: Store the device in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. Use the provided storage bag to protect it from dust and physical damage.
- Брига о сонди: Inspect probes and cables regularly for any signs of wear or damage. Replace damaged components immediately to ensure safety and accurate measurements.

Слика 5.1: Експлодирао view illustrating the internal components and the durable ABS+silicon construction of the FNIRSI 2C53T, designed for stable performance and protection.
КСНУМКС. Решавање проблема
If you encounter issues with your FNIRSI 2C53T, refer to the following common troubleshooting steps:
- Уређај се не укључује: Ensure the battery is sufficiently charged. Connect the device to a power source using the Type-C cable and try again.
- Нетачна очитавања: Verify that probes are correctly connected and not damaged. Ensure the correct measurement mode is selected for the task. Check probe compensation for oscilloscope measurements.
- Нестабилан таласни облик: Adjust the trigger settings (level, mode) in oscilloscope mode. Ensure the input signal is within the device's specifications.
- Functions Not Working Simultaneously: Remember that the oscilloscope, multimeter, and signal generator functions cannot be used at the same time. Switch between modes as needed.
- Проблеми са повезивањем са рачунаром: Ensure the Type-C cable is properly connected. Check your computer's device manager to see if the device is recognized.
For persistent issues or problems not covered here, please contact customer support.
7. Спецификације
| Феатуре | Спецификација |
|---|---|
| Произвођач | ФНИРСИ |
| Број модела | 2Ц53Т |
| Тежина артикла | 300 г |
| Димензије производа (Д к Ш к В) | 8.9 к 3.5 к 16.7 цм |
| Тип батерије | 1 литијум-полимерска батерија (укључена) |
| Прецизност мерења | +/-5% |
| Пропусни опсег осцилоскопа | 50МХз |
| Осцилоскоп Сampле Рате | 250 МС/с |
| Мултиметарски бројеви | 19999 |
| Signal Generator Frequency Range | 0-50КХз |
| Датум првог доступног | 2024/11/28 |
8. Гаранција и подршка
FNIRSI Technology Co., Ltd. is committed to providing high-quality measuring instruments. For any inquiries, technical assistance, or warranty claims, please contact our support team.
- Е -пошта за корисничку подршку: support@fnirsi.com
- Онлине ресурси: A PDF user manual may be available for download on the product's detail page or the official FNIRSI webсајту.
- Продавница бренда: Visit the official FNIRSI store for more products and information: FNIRSI Amazon Store





