ALIENTEK DM40C ഡിജിറ്റൽ മൾട്ടിമീറ്റർ, ഓസിലോസ്കോപ്പ്, സിഗ്നൽ ജനറേറ്റർ ഉപയോക്തൃ മാനുവൽ

1. ആമുഖം

Thank you for choosing the ALIENTEK DM40C. This device is a professional 4.5-digit digital multimeter, oscilloscope, and signal generator integrated into a single handheld unit. It offers high precision measurements, a 50M sample rate oscilloscope, and various waveform generation capabilities, making it suitable for a wide range of electrical testing and diagnostic applications.

This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your DM40C device. Please read it thoroughly before use.

2 സുരക്ഷാ വിവരങ്ങൾ

Always observe safety precautions when using electrical testing equipment to prevent personal injury or damage to the device.

• പൊതു സുരക്ഷ: Ensure the device is in good working condition before use. Do not operate if damaged.
• വാല്യംtagഇ അളവ്: For DC-DC or high voltage measurements above 36V, it is recommended to use the ഓട്ടോ+ mode. This mode skips the millivolt (mV) range to prevent mismeasurement, sparking, and potential damage. The default AUTO mode includes the mV range, which may not be suitable for higher voltages.
• MCX Connector Usage: The MCX pin sizes for the alligator clip and oscilloscope probe differ. The alligator clip's inner pin is larger. Do not attach the alligator clip to the CHA/CHB (oscilloscope analog channels). The alligator clip is intended only for the OUT channel (waveform output) to avoid poor contact or damage to the oscilloscope's analog channels.
• നിലവിലെ അളവ്: Ensure the circuit is de-energized before connecting the device for current measurements.
• ഫ്യൂസുകൾ: The unit is fused. If a fuse blows, replace it with one of the specified type and rating.
• ടെസ്റ്റ് ലീഡുകൾ: Use only the provided or equivalent high-quality test leads. The included leads are fine-tipped, suitable for small electronics. For higher-current or heavier work, consider investing in more robust leads.

3. ഉൽപ്പന്നം കഴിഞ്ഞുview

The ALIENTEK DM40C combines three essential tools into one compact device: a digital multimeter, an oscilloscope, and a signal generator. It features a high-resolution IPS touchscreen for clear data display and intuitive control.

ചിത്രം 3.1: The ALIENTEK DM40C unit shown with its standard accessories, including test leads, probe leads, and a USB-C cable.

ചിത്രം 3.2: This image illustrates the core capabilities of the DM40C: a high-precision multimeter, a 10-bit ADC oscilloscope with 50M sampling rate, and a signal generator.

പ്രധാന സവിശേഷതകൾ:

• മൾട്ടിമീറ്റർ: 4.5-digit (59999 count) with high precision and 5ppm reference source.
• ഓസിലോസ്കോപ്പ്: 10-bit ADC, 50MHz sampling rate, 10MHz bandwidth, 64kpts memory.
• സിഗ്നൽ ജനറേറ്റർ: Generates various waveforms (Sine, Sawtooth, Triangular, Square).
• ഡിസ്പ്ലേ: 3.5-inch IPS touchscreen (480x320 resolution).
• ശക്തി: Rechargeable battery providing over 10 hours of operation.

ചിത്രം 3.3: The device features a 3.5-inch IPS touchscreen (480x320 resolution) for clear display and intuitive interaction.

4. സജ്ജീകരണം

4.1 ബാറ്ററി ചാർജ് ചെയ്യുന്നു

The DM40C is powered by an internal rechargeable battery. Before first use, fully charge the device using the provided USB-C cable and a compatible USB power adapter (not included). The charging indicator on the device will show the charging status.

4.2. ടെസ്റ്റ് ലീഡുകൾ ബന്ധിപ്പിക്കുന്നു

Connect the test leads to the appropriate input jacks on the right side of the device. The common (COM) jack is typically used for the black lead. The VΩHz°C jack is for voltage, resistance, frequency, and temperature measurements. The A mA uA jack is for current measurements. Ensure connections are secure.

4.3. പ്രാരംഭ പവർ-ഓൺ

Press and hold the power button to turn on the device. The IPS touchscreen will illuminate, displaying the main interface. Follow any on-screen prompts for initial setup or calibration if presented.

5. പ്രവർത്തന നിർദ്ദേശങ്ങൾ

5.1. പൊതു പ്രവർത്തനം

• പവർ ഓൺ/ഓഫ്: പവർ ബട്ടൺ അമർത്തിപ്പിടിക്കുക.
• മെനു നാവിഗേഷൻ: Use the touchscreen to navigate through menus and select functions.
• ഡാറ്റ ഹോൾഡ്: Freeze the current reading on the display.
• Relative Measurement (RLE): Measure the difference between a stored reference value and the current reading.
• ഡാറ്റ ലോഗിംഗ്: Record measurement data over time.
• Trend Graph: Visualize measurement data trends graphically.

5.2. മൾട്ടിമീറ്റർ മോഡ്

The DM40C offers a comprehensive range of multimeter functions. Select the desired measurement mode from the main interface.

ചിത്രം 5.1: The automatic measurement feature simplifies operation by automatically selecting the correct range for voltage (0.01mV-1000V DC, 0.01mV-750V AC) and current (0.01uA-10A) without manual mode switching.

• ഓട്ടോമാറ്റിക് അളവ്: The device can automatically detect and select the appropriate range for voltage (DC: 0.01mV-1000V, AC: 0.01mV-750V) and current (0.01uA-10A).
• വാല്യംtagഇ മെഷർമെന്റ് (എസി/ഡിസി): Connect leads to COM and VΩHz°C. Select AC or DC voltage mode. Remember to use ഓട്ടോ+ ഉയർന്ന വോളിയത്തിന്tage measurements (refer to Safety Information).
• Current Measurement (AC/DC): Connect leads to COM and A mA uA. Ensure the circuit is open and the device is connected in series. The innovative 3-hole design allows fully automatic current measurement across μA/mA/A ranges.
• പ്രതിരോധം അളക്കൽ: Connect leads to COM and VΩHz°C.
• കപ്പാസിറ്റൻസ് അളക്കൽ: Connect leads to COM and VΩHz°C.
• ഡയോഡ് ടെസ്റ്റ്: Connect leads to COM and VΩHz°C. The device provides a 4-stagഇ വോളിയംtage drop measurement with distinct audible indicators.


ചിത്രം 5.2: This screen capture details the diode measurement function with multiple voltage drop indications and the fast continuity test feature, including resistor measurement capabilities.

• തുടർച്ച പരിശോധന: Connect leads to COM and VΩHz°C. An ultra-fast test with an audible indicator.
• ആവൃത്തി അളക്കൽ: Connect leads to COM and VΩHz°C.
• താപനില അളക്കൽ: Requires a compatible temperature probe (not included). Connect the probe to the VΩHz°C and COM jacks.
• AC+DC Mixed Measurement: The DM40C supports simultaneous display of both AC and DC components for complex signals.


ചിത്രം 5.3: The display demonstrates the device's ability to perform True RMS measurements, simultaneously display AC and DC components, and visualize data trends over time with adjustable time bases.

5.3. ഓസിലോസ്കോപ്പ് മോഡ്

The integrated oscilloscope provides waveform visualization and analysis. Connect the oscilloscope probe to the CHA/CHB input.

• അടിസ്ഥാന സജ്ജീകരണം: Select oscilloscope mode from the main menu. Adjust vertical scale (V/div) and horizontal time base (s/div) as needed.
• ട്രിഗർ ചെയ്യുന്നത്: Set trigger level and type (edge, pulse, etc.) to stabilize waveforms.
• അളവുകൾ: The oscilloscope can display various waveform parameters such as peak-to-peak voltage, frequency, and duty cycle.

5.4. സിഗ്നൽ ജനറേറ്റർ മോഡ്

The DM40C can generate various test signals. Connect the output to the OUT channel using the alligator clip (refer to Safety Information regarding MCX connector usage).

• Waveform Selection: Choose from Sine wave, Sawtooth wave, Triangular wave, or Square wave.
• ഫ്രീക്വൻസി അഡ്ജസ്റ്റ്മെന്റ്: Set the desired output frequency (1Hz to 50KHz for most waveforms, up to 10MHz for square wave).
• Amplitude Adjustment: Adjust the peak-to-peak voltage (0.5Vpp to 3.0Vpp).
• ഡ്യൂട്ടി സൈക്കിൾ: Adjustable for Square wave (0-100%).

6. പരിപാലനം

6.1. വൃത്തിയാക്കൽ

ഒരു സോഫ്റ്റ്, ഡി ക്ലീനർ ഉപയോഗിച്ച് ഉപകരണം പതിവായി വൃത്തിയാക്കുക.amp തുണി. അബ്രാസീവ് ക്ലീനറുകളോ ലായകങ്ങളോ ഉപയോഗിക്കരുത്. വൃത്തിയാക്കുന്നതിനുമുമ്പ് ഉപകരണം ഓഫ് ചെയ്‌തിട്ടുണ്ടെന്നും ഏതെങ്കിലും പവർ സ്രോതസ്സിൽ നിന്ന് വിച്ഛേദിക്കപ്പെട്ടിട്ടുണ്ടെന്നും ഉറപ്പാക്കുക.

6.2. ബാറ്ററി പരിചരണം

To prolong battery life, avoid fully discharging the battery frequently. If storing the device for an extended period, charge it to approximately 50% and store in a cool, dry place.

ചിത്രം 6.1: The DM40C incorporates safety isolation for multimeter communication and is powered by a rechargeable battery providing over 10 hours of operation.

6.3. ഫേംവെയർ അപ്ഡേറ്റുകൾ

ALIENTEK may release firmware updates to add features or fix bugs. Check the official ALIENTEK website for the latest firmware and instructions on how to update your device. Exercise caution when installing third-party applications or firmware not directly from the manufacturer.

7. പ്രശ്‌നപരിഹാരം

• ഉപകരണം പവർ ഓൺ ചെയ്യുന്നില്ല: Ensure the battery is charged. Connect the USB-C cable and attempt to power on while charging.
• കൃത്യമല്ലാത്ത വായനകൾ: Check test lead connections. Ensure the correct measurement mode is selected. Verify the battery level.
• No oscilloscope waveform: Check probe connection to CHA/CHB. Adjust vertical scale and time base. Verify trigger settings.
• Sparking during voltagഇ അളവ്: Immediately switch to ഓട്ടോ+ mode for high voltage measurements (above 36V) to prevent this. Refer to Safety Information.
• Damage to oscilloscope input: Ensure alligator clips are അല്ല connected to CHA/CHB. Alligator clips are for the OUT channel only. Refer to Safety Information.
• ബ്ലൂടൂത്ത് കണക്റ്റിവിറ്റി പ്രശ്നങ്ങൾ: Ensure your device has the latest firmware (version 2.2 or higher for Bluetooth functionality, if available for your model). Note that Bluetooth may only support multimeter functions.

8 സ്പെസിഫിക്കേഷനുകൾ

The following table outlines the key specifications for the ALIENTEK DM40C.

ചിത്രം 8.1: A comprehensive table outlining the technical specifications, measurement ranges, and accuracy for the DM40A, DM40B, and DM40C models across various functions including voltagഇ, കറൻ്റ്, റെസിസ്റ്റൻസ്, കപ്പാസിറ്റൻസ്, ഫ്രീക്വൻസി, താപനില.

9. വാറൻ്റിയും പിന്തുണയും

ALIENTEK products are designed for reliability and performance. For warranty information, please refer to the documentation included with your purchase or visit the official ALIENTEK website. For technical support, troubleshooting assistance, or inquiries about replacement parts, please contact ALIENTEK customer service through their official channels.