Description
The FNIRSI DST-210 3-in-1 True RMS Multimeter is an advanced electronic measurement instrument designed for engineers, technicians, and professionals who require reliable and accurate performance across multiple applications. This device integrates a True RMS digital multimeter, oscilloscope, and signal generator into one compact, high-performance unit, providing the functionality of three professional tools in a single device. Whether you work in electronics repair, automotive diagnostics, circuit analysis, or education, the FNIRSI DST-210 delivers unmatched functionality, convenience, and reliability for your testing needs.
3-in-1 Functionality for Comprehensive Testing
The FNIRSI DST-210 combines three essential test instruments into one portable device:
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True RMS Digital Multimeter:
Offers accurate measurement of AC/DC voltage, current, resistance, capacitance, continuity, diode tests, and frequency. With a high 119999-count display, it provides exceptionally detailed readings for advanced diagnostic and laboratory work. -
Oscilloscope Function:
The built-in single-channel oscilloscope features a 10MHz analog bandwidth and a 48MSa/s sampling rate, allowing users to capture and analyze waveform signals with clarity and stability. This function is ideal for viewing signal shapes, detecting noise, and identifying faults in electronic circuits. -
Signal Generator:
The integrated signal generator supports 13 output waveforms, including sine, square, and triangle waves, with a frequency range of 0–10kHz and an adjustable 3V output. This function is useful for circuit testing, simulation, and educational demonstrations.
True RMS Accuracy and High Resolution
With True RMS capability, the FNIRSI DST-210 ensures accurate measurement of both sinusoidal and non-sinusoidal waveforms. This means it can deliver dependable results even when dealing with irregular, distorted, or noisy signals — a critical feature for modern electronics and power systems. The 119999-count high-resolution display ensures fine measurement detail, enhancing data reliability across various industrial and technical environments.
Advanced Oscilloscope Performance
The oscilloscope function is a major highlight of the FNIRSI DST-210, offering clear signal capture and waveform display. With its 10MHz bandwidth and 48MSa/s real-time sampling rate, it is capable of capturing fast-changing signals with excellent fidelity. Whether you are analyzing analog circuits, checking PWM signals, testing microcontroller outputs, or diagnosing automotive sensors, the DST-210 provides stable and accurate waveform visualization.
The device also includes advanced triggering and storage features that make waveform analysis efficient and reliable. It supports data hold and waveform freeze for reviewing captured signals, allowing users to examine transient events or compare signal characteristics during troubleshooting.
Durable and Safe Design
Safety and durability are key aspects of the FNIRSI DST-210 Multimeter. The unit includes overload protection, 400V voltage protection, and a low battery indicator, ensuring the device remains safe and functional even in demanding environments. These protective measures prevent damage to internal circuits and extend the instrument’s lifespan.
The instrument also features anti-burn technology, reducing the risk of damage from improper connections or high input voltages. This makes it suitable for both beginners and professionals who need dependable safety features during everyday testing tasks.
User-Friendly Operation and Clear Display
The FNIRSI DST-210 features a 2.8-inch TFT color display, offering bright and clear visibility for readings, graphs, and waveforms even in varying lighting conditions. The intuitive menu interface and simple control layout allow users to navigate between multimeter, oscilloscope, and signal generator functions with ease.
Its ergonomic design enhances user comfort during prolonged use. Compact and lightweight, the DST-210 is ideal for fieldwork, on-site repairs, and laboratory setups. Every measurement mode is clearly presented on-screen, reducing confusion and improving workflow efficiency.
Long Battery Life and Portability
Equipped with a 3000mAh rechargeable lithium battery, the FNIRSI DST-210 provides up to 15 hours of continuous operation on a single charge. This extended runtime makes it an excellent tool for field engineers, maintenance technicians, and educators who require long-lasting performance without frequent recharging. The built-in USB charging port allows convenient recharging through standard Type-C cables, ensuring compatibility with modern charging devices and power banks.
Multi-Functional Applications
The versatility of the FNIRSI DST-210 makes it suitable for a wide range of professional and educational applications:
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Automotive Diagnostics:
Used for analyzing sensor outputs, diagnosing electronic control systems, and verifying vehicle circuit signals. -
Electronics Repair and Maintenance:
Perfect for testing resistors, capacitors, and transistors, as well as checking power supplies, amplifiers, and digital circuits. -
Industrial Equipment Testing:
Enables inspection of machinery sensors, controllers, and automation devices with reliable waveform analysis. -
Educational and Laboratory Use:
Ideal for universities, technical schools, and training centers for teaching signal analysis, electronics measurement, and waveform interpretation. -
DIY and Hobby Projects:
Suitable for electronics enthusiasts and makers working on custom circuits, microcontroller projects, and home electronics testing.
Reliable Measurement Features
The FNIRSI DST-210 Multimeter includes multiple features that enhance usability and measurement accuracy:
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Data Hold and Recording:
Allows users to freeze readings for further review or comparison. -
Auto Range and Manual Range Selection:
Provides flexibility in measurement control. -
Relative Measurement Mode:
Simplifies comparison between reference and measured values. -
Temperature Measurement:
Enables monitoring of component or environment temperature during diagnostics. -
Continuity and Diode Check:
Assists in quick circuit fault detection.
These functions make the DST-210 an indispensable tool for professional and academic use, combining ease of operation with technical depth.
Built for Professionals and Enthusiasts
Every aspect of the FNIRSI DST-210 is designed for functionality and reliability. Its robust casing ensures protection against daily wear and accidental drops. The precise measurement engine, high-resolution ADC, and True RMS detection technology combine to deliver stable, consistent results.
The device’s portability, long battery life, and multi-instrument integration reduce the need for multiple tools, making it an efficient, space-saving solution for any workspace. Whether you are a field service engineer, R&D specialist, or student, this instrument provides comprehensive measurement capabilities in a compact form.
Key Specifications
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Display Count: 119999
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Bandwidth: 10MHz
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Sampling Rate: 48MSa/s
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True RMS Measurement: Yes
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Voltage Protection: 400V
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Battery Capacity: 3000mAh Rechargeable
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Signal Generator Output: 13 Waveforms, 0–10kHz Frequency Range, 3V Output
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Display Type: 2.8-inch TFT Color Screen
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Overload & Anti-Burn Protection: Included
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Operating Time: Up to 15 Hours Continuous Use
Conclusion
The FNIRSI DST-210 3-in-1 True RMS Multimeter, Oscilloscope, and Signal Generator is a versatile, durable, and efficient electronic testing instrument that redefines convenience and performance. By integrating three essential tools into one device, it streamlines your workflow and provides dependable measurement capabilities for a wide range of professional applications.
















