What are the domestic instruments and meters commonly used by electronic engineers?
Latest update time：2024-09-03
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Instruments are essential tools for electronic engineers, and are known as "with a meter in hand, the world is at my disposal".
In actual production, the instruments involved include four categories of products: microwave/millimeter wave measuring instruments, photoelectric measuring instruments, communication testing instruments, and basic measuring instruments. Among them, oscilloscopes, multimeters, spectrum analyzers, waveform generators, and network analyzers are the most commonly used by electronic engineers.
A good instrument will make you get twice the result with half the effort, while a product with poor user experience will make you lose focus. So we invited many engineers to share the most commonly used instrument products in their daily projects, and see if there is one that you have in mind.
A product that has won people's hearts
In the EEWorld survey, many engineers mentioned a company, RIGOL. They said that many projects have begun to use RIGOL's oscilloscopes and spectrum analyzers, which can completely replace the
products of foreign large manufacturers in the mid- and low-end.
Of course, RIGOL currently has many products on the high-end production line, and the overall quality is very good. However, engineers also said that although RIGOL has caught up with international manufacturers as a whole, price is still one of the important selection criteria in actual use, and there is a certain gap with large manufacturers. Some engineers also said that they once paid out of their own pockets to buy Puyuan Jingdian products, which can meet most of their needs.
In summary, engineers like to use RIGOL oscilloscopes because they have
excellent performance, providing high-accuracy, high-resolution signal measurement; they have a wide bandwidth range and high-speed sampling rate, which can capture high-frequency signals and rapidly changing waveforms; they also perform well in terms of signal measurement accuracy and repeatability; they use an intuitive and friendly user interface, which is simple and convenient to operate; they provide a variety of automatic measurement and mathematical operation functions, such as peak, average, power spectrum analysis, etc., which facilitate users to analyze and process waveforms in real time.
Among them, RIGOL's DS80000 digital oscilloscope has an excellent reputation. As a high-end oscilloscope, the DS80000 series digital oscilloscope is the eighth generation of digital oscilloscope independently developed by RIGOL, achieving a maximum real-time sampling rate of 40GSa/s and an analog bandwidth of 13GHz, which can meet a variety of application scenarios such as performance verification of high-speed devices and systems, high-speed bus compliance analysis, and DDR debugging.
Based on RIGOL's new generation UltraVision III platform, the maximum storage depth of 4Gpts is achieved, allowing the DS80000 to have high-fidelity signal acquisition capabilities and to collect waveforms for longer periods of time at high sampling rates.
In addition, the entire DS80000 series uses the RIGOL SmartProbe 2.0 interface, supports direct signal connection with a 3.5mm connector, and is backward compatible with the previous generation of RIGOL original probes when used with RIGOL's self-developed probe adapter, making it very convenient to use.
Power supply design starts with a tablet oscilloscope
In addition to desktop oscilloscopes, more engineers are starting to use tablet oscilloscopes, especially power engineers. In the EEWorld survey, engineers said that anyone who is engaged in power supply design will understand why tablet oscilloscopes are recommended. After all, it is a battery-powered offline mode. When measuring the front end of the switching power supply, there is no need to add an isolation transformer, which is very convenient.
For tablet oscilloscopes, many engineers recommend Micsig tablet oscilloscopes. One engineer talked about an incident that happened in the past. His friend had such a product at that time and used it as the main productivity in his daily work. After his recommendation and trial, I also bought this product, not for anything else, but because it can be battery-powered for offline measurement during testing.
In addition, its large-capacity storage mode is another reason why engineers recommend it. At that time, many desktop oscilloscopes (even including similar products from major international manufacturers) had a storage capacity of only tens of KB, and the larger ones were only 1.4M. However, the Micsig flat-panel oscilloscope at that time had a storage depth of 24M (in recent years, Puyuan has also launched products with a storage depth of 24M and above, and I have also tried it and highly recommend it). This is very useful for people who capture packets and do data protocol analysis. You no longer have to worry about incomplete capture of a packet of data, and thus being unable to analyze and locate where the problem lies.
At present, Micsig's Micsig flat panel oscilloscopes have undergone major upgrades. For example, the 5th generation flat panel oscilloscope MDO series has a storage depth of 360Mpts. In addition, it has a 500MHz bandwidth, a real-time sampling rate of 3GSa/s, 4 analog channels, a 3.58cm ultra-thin design, a 14-inch touch screen, a 1920*1200 resolution, and ultra-clear waveform display.
Most mentioned multimeter
In terms of multimeters, there are two brands that are mentioned the most, namely Shengli and Uni-T. According to engineers, Shengli/Uni-T+Puyuan can basically cover most scenarios. Engineers said that during use, the accuracy and temperature drift of the two products are OK, but they are easy to be damaged when measuring high and low voltages. However, some engineers also admitted that the company requires that only imported multimeters can be used, which may be a big problem for domestic multimeters.
In summary, the engineers believe that the Victory multimeter has high precision, complete functions, built-in metal shielding, strong anti-magnetic and anti-interference capabilities, and a dual protection mode; the Ulite multimeter has high precision, high stability and high reliability, and is suitable for the measurement and debugging of various electronic circuits.
Among them, Victory VC890C+/VC890D was mentioned the most times. This digital multimeter can measure up to 20A DC/AC current. In addition, in addition to a larger current range than Victory VC890D, it also has an additional temperature measurement function.
Uni-T's UT39E+ is also mentioned many times. It supports temperature measurement from -40 to 1000°C. It also uses an ADC chip, which can issue an alarm when overvoltage or overcurrent occurs at the measurement point, meeting the requirements of CAT Ⅱ 1000V/CAT III 600V.
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