Handheld Oscilloscope FNIRSI DST-210 10MHz 48MS/s 3-in-1 Multimeter

Description

Product Overview

The FNIRSI DST-210 is a compact, battery‑powered handheld oscilloscope designed for engineers, technicians, and hobbyists who need reliable performance in a portable package. With a 10 MHz analog bandwidth and a fast 48 MS/s real‑time sampling rate, it captures fast transients and detailed waveforms that are essential for troubleshooting modern electronic circuits. The device integrates a 19999‑count digital multimeter, offering accurate AC/DC voltage, current, resistance, capacitance, frequency, diode, and temperature measurements, all displayed on a bright 2.8‑inch color TFT screen. A built‑in DDS signal generator adds another layer of functionality, providing up to 13 waveform types and frequencies up to 50 kHz, making the DST‑210 a true 3‑in‑1 test instrument.

Physically, the DST‑210 measures 6.69 × 3.43 × 1.36 inches and weighs just 1.34 lb, allowing it to fit comfortably in a toolbox or be carried in a pocket. The rugged chassis is constructed from high‑impact ABS plastic, offering durability against drops and field wear. Power is supplied by a 3000 mAh lithium‑polymer battery that supports up to 8 hours of continuous operation, and the device features USB‑C fast charging for quick turnaround between jobs. The user interface includes a multifunction dial for rapid mode switching, day/night display themes, and adjustable brightness, ensuring clear visibility in any lighting condition.

Usage

In the field of automotive diagnostics, the DST‑210 excels at monitoring sensor signals, ignition patterns, and communication bus activity. Its ability to measure both voltage and current on live circuits helps technicians pinpoint faults in alternators, fuel injectors, and electronic control units without removing components. For electronics repair, the oscilloscope’s high bandwidth captures PWM signals, audio waveforms, and digital communication protocols, while the multimeter functions provide quick continuity checks and component verification. Hobbyists and makers benefit from the DDS generator when testing audio circuits, creating custom waveforms for Arduino projects, or simulating sensor outputs for educational purposes.

Because the device is lightweight and battery‑operated, it can be used in remote locations such as outdoor test sites, aircraft maintenance bays, or on‑site industrial inspections where mains power is unavailable. The intuitive interface reduces the learning curve for new users, and the ability to save waveform images directly to internal memory or export them via USB‑C simplifies documentation and reporting. Whether you are a professional engineer, a field service technician, or a DIY enthusiast, the DST‑210 adapts to a wide range of measurement scenarios, delivering accurate data wherever you need it.

Why Choose Us

FNIRSI has built a reputation for delivering high‑quality test equipment at an affordable price point, and the DST‑210 continues that tradition with meticulous engineering and rigorous quality control. Each unit undergoes a multi‑stage testing process, including functional verification, calibration, and environmental stress testing, to ensure consistent performance across temperature extremes and vibration conditions. The device’s firmware is regularly updated to incorporate new features, improve stability, and address user feedback, providing a future‑proof investment for your testing toolkit.

Customer support is a cornerstone of the FNIRSI experience. Buyers receive access to a dedicated technical support team that can assist with setup, troubleshooting, and advanced usage scenarios. In addition, a comprehensive online knowledge base offers tutorials, user manuals, and application notes to help you get the most out of your DST‑210. The company also offers a one‑year limited warranty covering manufacturing defects, reinforcing confidence in the durability and reliability of the product.

Key Features

• 10 MHz bandwidth and 48 MS/s sampling rate capture fast transients with clarity, reducing missed events in complex circuits.
• 19999‑count digital multimeter provides precise AC/DC voltage, current, resistance, capacitance, frequency, diode, and temperature readings in one handheld device.
• DDS signal generator offers 13 waveform types up to 50 kHz, enabling signal simulation and testing for automotive and electronic applications.
• 2.8‑inch color TFT display with adjustable brightness and day/night themes ensures readability in bright sunlight or dark workshops.
• Responsive customer support and one‑year warranty give peace of mind and reliable after‑sales service.

FAQ

What is the maximum input voltage the oscilloscope can handle?

The DST‑210 can safely measure signals up to 400 V peak‑to‑peak, which covers most automotive and industrial applications while protecting the internal circuitry from over‑voltage conditions.

Can I export captured waveforms for analysis on a computer?

Yes, the device includes a USB‑C port that allows you to transfer saved waveform images or raw data files to a PC or laptop. The exported files can be opened with standard image viewers or imported into analysis software for deeper inspection.

How long does the battery last during continuous use?

With a fully charged 3000 mAh lithium‑polymer battery, the DST‑210 provides up to 8 hours of continuous operation when using the oscilloscope and multimeter functions together. Standby mode and auto power‑off features help extend battery life when the device is idle.

Is the device suitable for educational purposes?

Absolutely. The intuitive interface, combined with the ability to demonstrate waveform generation, measurement, and analysis in a single portable unit, makes the DST‑210 an excellent teaching tool for electronics labs, vocational schools, and university courses.

What accessories are included with the DST‑210?

The package contains the handheld oscilloscope, a set of probe leads, a rechargeable lithium‑polymer battery, a USB‑C charging cable, a protective carrying case, and a quick‑start guide to help you begin measurements immediately.