Introduction: In September 2011, the 22nd Multinational Instruments Exhibition was held at the Beijing International Exhibition. There were about 7 domestic and foreign manufacturers of electronic measuring instruments participating in the exhibition. Exhibitors and products are listed in the attached table. In this exhibition, some well-known old manufacturers of electronic measuring instruments, such as American Agilent, Tektronix, Fluke, Keithley, and Japan's Iwasaki, have not exhibited.

1. Overview

There are about 7 domestic and foreign manufacturers of electronic measuring instruments participating in the exhibition. Exhibitors and products are listed in the attached table. In this exhibition, some well-known old manufacturers of electronic measuring instruments, such as American Agilent, Tektronix, Fluke, Keithley, and Japan's Iwasaki, have not exhibited. The major electronic measuring instrument manufacturers exhibited at this time include: RIGOL, YOLOGAWA, and Sanwa Electric Instrument Co., Ltd. , Yabo Instrument (APPA), Korea ODATechnologies and so on. The electronic measuring instruments exhibited include various digital multimeters, hand-held digital multimeters, oscilloscopes, signal generators, spectrum analyzers, power parameters and power quality measuring instruments, process calibrators, data recorders, and multi-function calibrators. Programmable power supplies, etc. The exhibits of these companies reflect to some extent the current trends and trends in electronic measuring instruments. The main electronic measuring instrument manufacturers and their typical products that participated in the exhibition are shown in Table 2.

The following is a brief introduction to the situation of some electronic measurement instrument manufacturers at home and abroad and related major products.

2. Main electronic measuring instrument manufacturers participating in the exhibition

(1) Beijing Puyuan Precision Technology Co., Ltd. (RIGOL)
Beijing Puyuan Precision Electric Technology Co., Ltd. is a leading high-tech enterprise engaged in R&D, production and sales of measuring instruments in the industry. It is a member of China Electronic Instrument Industry Association and China Instrument and Meter Association. The company has an international standard of technology, has a large number of patents and computer operating system software copyright, independent intellectual property rights to fill the national blank. The company has a total of 310 patents, including 210 patents for inventions. 102 patents have been authorized, of which 29 are inventions.

RIGOL adheres to independent innovation and has developed and produced fifteen series and dozens of products, including digital oscilloscopes, spectrum analyzers, function/arbitrary waveform generators, digital multimeters, and programmable linear power supplies. Instruments, as well as chemical analysis instruments such as HPLC analysis systems and UV-Vis spectrophotometers. Products are widely used in manufacturing, industrial control, radio and television, network communications, medical monitoring, research and teaching, food safety, drug safety, environmental protection and petrochemical and other fields. The company is headquartered in Beijing and has branches in Shanghai, Shenzhen, Xi'an, Cleveland (USA) and Munich (Germany). In the international market, the company's products have been sold to more than 60 countries and regions in the world and 50 in the world. Countries have registered RIGOL trademarks.

In 1998, RIGOL was founded by three college students. It has more than 400 employees. Among the R&D, sales and management staff, bachelor's degree accounted for 98%, of which masters and doctorates accounted for 60% of R&D personnel.

RIGOL's Beijing production base was established in 2004 and is the first domestic largest professional measuring instrument production base. The production base has strong technical force, and technicians account for 40%. After 10 years of experience, the production base has first-class production technology and strict quality assurance system, and has introduced a large number of international advanced detection equipment, such as: precision signal source calibration equipment, self-developed automatic testing software, image analysis system, synthesis Laboratory and advanced production line equipment, etc. ensure product quality. The company has passed ISO9001:2000 quality management system certification and ISO14001:2004 environmental management system certification.

Since the establishment of the company, RIGOL and its products have won numerous awards and honors at home and abroad. The major ones are: 2006, 2007 and 2009 won several EDN China Local Innovation Company Awards. In October 2006, RIGOLDS1000 series oscilloscopes won the ENDChina Innovation Award of the Year. November 2007 again won the EDNChina Innovation Award. In January 2009, the DM306X series digital multimeter won the “Excellent Product of the Year 2008” by EDN China. In January 2009, the DS1000E series of digital oscilloscopes received the "Product of the Year Award" from Electronic Products magazine in the US. In 2011, RIGOL's S6104 digital oscilloscope won the second place in the United States. The 12th R&D 100 Award (The2011R&D100AwardWinner)

The company's aim is to develop innovative, forward-looking and practical products, focusing on original technological innovation and integrated technological innovation to ensure the company's existing industry continues to develop steadily and maintain long-term market competitiveness.

(2) Yokogawa International Co., Ltd. (Yokogawa)
Yokogawa Electric Corporation (Yokogawa Electric) is a Japanese company founded by Dr Tamisuke Yokogawa as early as 1915. After several decades of development and evolution, it was renamed Yokogawa Electric Corporation in 1986. Headquartered in Tokyo, Japan. There are more than 60 subsidiaries and affiliates in 29 regions around the world. The business area covers three major areas of measurement, control, and information. In the industrial control industry, it is one of the most professional multinational companies in the world. Its main market areas include oil and gas, semiconductor, food, automotive, pulp and paper, telecommunications, electrical and electronic equipment, pharmaceuticals, industrial machinery and marine navigation equipment. The company's business covers Europe, Asia, the Americas, the Middle East, Africa and Oceania. Its headquarters is in Musashino-shi, Tokyo, Japan.

Yokogawa Corporation of Japan established a joint venture with Xi'an Instrument Factory in Xi'an in 1984 to establish Xiyi Yokogawa Co., Ltd. in Xi'an. In 2002, it invested 100% in a factory in Suzhou, China, named Yokogawa Electric (Suzhou) Co., Ltd. On January 1, 2006, "Yokogawa Electric China Trading Co., Ltd." was established. As the backbone company of Yokogawa Group with sales, market development and engineering technology services, the company vigorously explores the Chinese market. On February 1, 2008, in order to expand its business in the field of industrial automation in China and gain greater market share, Yokogawa Electric Group has consolidated the business of its three related companies in China and established a new corporate enterprise, Yokogawa Electric ( China) Co., Ltd., as an integrated company in China, adapts to the diversified needs of China's industrial automation market by strengthening sales, technical support, engineering, and after-sales service functions. Yokogawa Electric (China) Co., Ltd. is headquartered in Shanghai. There are branch offices in Beijing, Guangzhou and Shenzhen, and offices and business outlets in Tianjin, Chengdu, Wuhan, Nanjing, Xi’an and Shenyang. Shanghai Yokogawa International Trading Co., Ltd. is a business network specializing in testing and measuring instruments. Suzhou Yokogawa Electric Meter Co., Ltd. in Suzhou is its instrument production factory. Beijing Yokogawa Electric (Beijing) R&D center is located in Beijing.

(3) German GOME Instrument (Tianjin) Technology Co., Ltd. (GMC-Instruments)
German GMC-Instruments Group: It is the holder of the famous European instrumentation brand Gossenmetrawatt, Draenet, Camillebauer. It specializes in developing and manufacturing test/measurement and instrumentation for industrial process measurement and control.

The German GMC-instruments, Gossen Metrawatte, was established in Nuremberg in 1916 and has now become the world's top supplier of electrical and electronic measuring instruments. Its products are sold worldwide. In February 2009, it established the China branch GMCI-China in Gaoxin District, Tianjin, China, which is Gaomei Instrument (Tianjin) Technology Co., Ltd., and has branches in Beijing, Tianjin, Shanghai and Shenzhen. Germany High Measure Instrument (Tianjin) Technology Co., Ltd., to promote the promotion of brand, technology and products as their own responsibility, and provide localized technical support and services.

The company's products are mainly divided into two major series of T&M and industrialmeasurement. The T&M series includes multi-function multimeters, insulation, grounding resistance meters, power quality analyzers, safety testers, and power supplies. The Industria lmeasurement series includes process controllers, angle transmitters, and more.

(4) Sanwa Electric Co., Ltd. (sanwaelec)
Sanwa Electric Instrument Co., Ltd. (Sanwaelec) was founded in 1941 and has a history of more than half a century. Its products and services cover 74 countries and regions in the world. In November 2002, it obtained ISO9001-2000 certification (JQA-1453). Its main products include digital multimeters, various analog test instruments, caliper gauges, insulation resistance testers, grounding resistance testers, thermometers, laser power meters, illumination meters, cable testers, and multi-function calibrators.

(5) Yabo Instrumentation (APPA)
APPA Technology Corporation (Rising Technology, Taiwan) is a professional manufacturer of measuring instruments certified by ISO-9001. This Taiwanese company was founded in 1989 and is located in Taipei City. The company employs more than 100 people but it is a high-yield and high-quality company. The company has a factory in Kunshan, Jiangsu Province. The company's registered capital is 167 million Taiwan dollars (about 5 million US dollars), the annual production of various industrial digital multimeters and calipers more than 400,000. The company's products mainly include a variety of electronic test and measurement instrument products, such as various digital multimeters, caliper digital multimeters, component testers, automotive digital multimeters, and environmental testers; the company also plans to develop caliper power analyzers. , digital oscilloscope, LAN network tester and various OEM electronic measurement instrument products. Yabo Instruments has provided electronic measuring instrument products to more than 50 countries and regions in the world.

(6) SMARTSENSOR
Hong Kong Xima SMARTSENSOR is a high-tech enterprise with a large number of high-tech talents and profound experience in the development of measuring instruments. It specializes in manufacturing and selling SMARTSENSOR brand infrared thermometers, sound level meters, anemometers, hygrometers, Luximeters, range finder, metal detectors, AC detectors, combustible gas detectors, underground metal detectors, 5-25KG handheld electronic scales and more than 10 categories of more than 30 varieties, and maintain at least 4 major per year The development speed of the new series and the 10 new models.

Before 2004, Hong Kong Xima MART SENSOR was mainly focused on foreign OEM/ODM production. At the end of 2004, Xima began to enter the domestic market. Through the strategy of “establishing brands with quality, contending with the market with prices, winning with customers, and seeking innovation with innovation”, Xima meters quickly spread across the country, with the exception of more than 20 provincial levels. In addition to agency outlets, branch offices or offices have also been established in major cities such as Shenzhen, Beijing, Guangzhou, Shenyang, and Chengdu to better provide customers with quick and worry-free after-sales services.

3. Typical electronic measuring instrument products at this multi-national instrument and meter exhibition

(1) DS6104 Digital Oscilloscope The DS6104 digital oscilloscope is a high-end product in RIGOL's new DS6000 series of digital oscilloscopes. It is the first digital storage oscilloscope with a real-time sampling rate of 5 GSa/s and a bandwidth of up to 1 GHz. The oscilloscope has 4 channels, standard storage depth of 140M sampling points, waveform capture rate of 180,000 waveforms per second, can record up to 180,000 frame waveforms in real time. The oscilloscope adopts original UltraVision technology, and has a dedicated data analysis navigation knob WaveFinder, which can realize real-time waveform recording and search playback, analysis and comparison functions (standard), in order to find out the fault. The oscilloscope has advanced waveform calculation function, which not only can add, subtract, multiply and divide the waveform, but also has the calculation function of the formula editor; it also has rich automatic measurement functions, including rich horizontal and vertical measurement items, and can be statistically simultaneously Display up to 5 items of measurement results. The oscilloscope has a wealth of trigger functions, including the standard serial bus trigger function and a variety of optional decoding functions (including RS/232/UART, I2C, SPI, CAN); has a wealth of interface connectivity, including standard USB, LAN (support LXI-C), video data and GPIB options; equipped with 1GByte FlashMemory, also equipped with 11.1V, 147Wh lithium battery pack options to meet the needs of field testing.

(2) DSA1030A spectrum analyzer The DSA1030A spectrum analyzer is a high-end product of RIGOL's new DSA1000A series spectrum analyzer and is the first 3GHz spectrum analyzer with digital intermediate frequency technology in China. Its frequency range is 9kHz to 3GHz. The frequency resolution is 1 Hz, the minimum resolution bandwidth (RBW) is 10 Hz, and the resolution bandwidth is from 10 Hz to 1 MHz in steps of 1-310. The single-sideband phase noise typical of this spectrum analyzer is -88dBc/Hz when the carrier frequency deviation is 10kHz; the average noise level of the display DANL is typically -148dBm (10MHz to 2.5GHz, preamplifier on); Amplitude accuracy <1.0dB. The spectrum analyzer comes standard with a preamplifier and is equipped with a 3GHz tracking source option; it has extensive measurement functions and various automatic setup functions; it has extensive interface connectivity including LAN, USBHost, USBDevice, VGA and GPIB options; Lithium battery pack options in organic batteries can work continuously for 3 hours in a field test without power supply.

(3) DG5352 Function/Arbitrary Waveform Generator The DG5352 function/arbitrary waveform generator is a high-end product of RIGOL's new high-performance 6-in-1 signal workstation - the DG5000 series function/arbitrary waveform generator. Can output sine wave, square wave, sawtooth wave, pulse wave, noise standard waveform and Sinc, exponential rise, exponential fall, electrocardiogram, Gaussian, semi-vectorine, Lorentz, dual audio and DC voltage arbitrary wave up to 14 species Waveform function. The maximum output frequency of the sine wave is 350MHz; the sampling rate is 1GSa/s when the arbitrary wave is output, and the vertical resolution is 14bits. The instrument can output two output waveforms isolated from each other. Its function is completely symmetrical, and the phase between the channels can be precisely adjusted. Supports frequency hopping signal output (option), with frequency hopping at up to 80ns interval, frequency hopping pattern can be edited freely; 512kpts arbitrary waveform can be edited, arbitrary waveform output up to 128Mpts can be supported, internal nonvolatile memory can be used up to 1GBytes; supports AM, FM, PM, ASK, FSK, PSK and PWM modulation. The function/arbitrary waveform generator comes standard with IQ modulation function for the first time in the world, supports custom IQ vector signal modulation, and has IQ baseband/intermediate frequency signal output. Supports frequency sweep and burst output.

(4) DM306861/2 Digit Multimeter DM30686 1/2 Digit Multimeter RIGOL's 6 1/2 digit digital multimeter has a resolution of 6 1/2 digits (total number 2,200,000). Can measure DC voltages from -1000V to 1000V, DC currents from -10A to 10A, true rms AC voltages from 0V to 750V, true rms AC currents from 0A to 10A; resistance measurement range from 0 to 100M, supports two lines and Four-wire resistance measurement can also measure capacitance and frequency; sampling rate up to 10krdgs/s, 512Krdgs of volatile memory, can store 10 sets of data, 10 sets of instrument settings; can be equipped with three kinds of temperature sensors: thermocouple, heat Resistance and thermistor, built-in thermocouple cold junction compensation, support for any arbitrary sensor measurement; standard UltreSensor arbitrary sensor measurement control software; with real-time trend plotting, histogram display. The instrument is equipped with USB Host, USB Device, LAN (LXI-C), RS-232 and GPIB standard configuration excuse to support U disk and Web remote control.

(5) CW240 Clamp Power Meter The CW240 Clamp Power Meter is a clamp-type power meter from Yokogawa Electric Corporation. It can simultaneously measure power, power, demand, harmonics, voltage fluctuations, and instantaneous values ​​(waveforms). With 1P2W, 1P3W, 1P3W3i, 3P3W2i, 3P3W3i, 3P4W, 3P4W4i and other connections. Various load measurements such as 1P2W2/3/4, 1P3W2, 3P3W2 and SCOTT wiring (1P3W 3P3W) are possible. Its voltage range is 150V/300V/600V/1000V, current range is 2A (with 96036 calipers) to 3000A (with 96034/35 calipers). This instrument can measure the load of 4 systems synchronously in the single-phase two-wire system, and simultaneously measure the load of 2 systems (common voltage) in the single-phase/three-phase three-wire system. The instrument can measure up to 50 harmonics; the data storage interval can be set from 1 waveform to 1 hour; you can use the flash memory card to record long-time data; you can display multiple languages ​​including Chinese. This instrument can be powered by AC, and also has a backup nickel-metal hydride rechargeable battery and alkaline battery. The instrument can be used to investigate power consumption and improve the efficiency of the use of electrical energy; to conduct energy-saving analysis and maintenance of the plant and building; to check and find faults in the power supply line; to diagnose and improve the harmonic conditions of the line; to check the wiring of the line; Check the quality of power supply.

(6) ZESZIMMERLMG series high-precision power analyzer ZESZIMMERLMG series high-precision power analyzer is GMC-Instruments company's basic accuracy (0.01% reading 0.02% range), active power accuracy (0.015% reading 0.015% range); The bandwidth is DC, 0.05Hz to 10MHz; the sampling rate is 3MS/s, and the voltage and current signals can be simultaneously sampled without gaps. Analyzer has up to 8 power measurement channels; harmonic analysis up to 99 harmonics; with a wide range of dynamic range: direct voltage input from 3Vrms to 1000Vrms/3200Vpeak, divided into 10 ranges; current direct input from 20mArms to 32Arms/ 120Apeak, divided into 12 ranges. The instrument can accurately acquire physical quantities that correspond to electrical power, such as current, voltage, power, harmonics, flicker, energy consumption, etc., and are used to improve motors, transformers, inverters, power electronics, power supplies, lighting equipment, and electric vehicles. The energy consumption, efficiency, reliability, electromagnetic compatibility, and cost of the entire life cycle of the product.

(7) MAVOWATT70 portable power quality analyzer MAVOWATT70 portable power quality analyzer is GMC-Instruments's three-phase (30/40/70) portable power quality analyzer. The MAVOWATT70 Portable Power Quality Analyzer meets the requirements of the international standards for power quality measurement: EN50160, EN61000-4-7 and EN61000-4-15, and the voltage quality measurement standard EN61000-4-30 for Class A products. The instrument can monitor RMS, harmonics, flicker, and transients simultaneously within 80 s. MAVOWATT70 has 8 measurement channels, 4 voltage measurement channels and 4 current measurement channels. Automatically setting the detection limit value can be easily performed based on the detected measured setting and the selection of the measurement circuit. MAVOWATT70 is equipped with an A/D converter with a sampling rate of 1MHz. It can quickly acquire and store transients and waveforms. Under the real-time working status, the instrument has an oscilloscope mode, a multimeter mode, a harmonic mode, and a vector diagram mode; under the data storage function, it can display trend graphs and display report events; it can provide power quality reports and display alarms required by the EN50160 standard. Panel; measured data is saved to the built-in 4GB CompactFlash card, and data communication can be achieved through the RS232, Ethernet, or USB option communication interface. The instrument interface uses a high-resolution color touch screen, which is displayed in the form of an icon. The operating language can be selected in many languages ​​including Chinese.

(8) The METRAHIT30M61/2 Digit High Accuracy RMS Digital Multimeter METRAHIT30M is GCM-Instruments's 61/2-bit portable high precision true rms digital multimeter. The portable multimeter has a full-scale display value of 1,200,000 yards; the inherent error is (35ppm of readings and 70ppm). Its measurement function includes 120mV-600V DC, AC plus DC RMS, frequency range is 45Hz-100kHz; 120uA-120mA current, frequency range is 45Hz-5kHz; 120-12M resistance; frequency and temperature can also be measured (with Pt100, Pt1000 , J, K temperature probes). The instrument can record the min-max test data, automatically select the range and cut off the battery. Built-in 128KB measurement data memory; sampling interval of 0.1 seconds to 10 minutes; equipped with infrared data interface. The instrument complies with CAT in accordance with IEC61010-1. III300V or CAT. II600V requirements.

The past 51/2 digits and 61/2 digit multimeters are high-precision benchtop instruments that are bulky and complex in structure. In recent years, with the development of large-scale integrated circuit technology and advances in instrument manufacturing technology, digital multimeters with 51/2 digits and 6 1/2 digits have been able to make compact portable products. This is undoubtedly a new bright spot for the development of digital measuring instruments. In particular, the emergence of portable 61/2 digit multimeters is a new technological breakthrough.

(9) PC7000 Handheld Digital Multimeter PC7000 Digital Multimeter is a 44/5-54/5 handheld dual display digital multimeter from Japan Sanhe Electric Meter Company. Its full-scale display values ​​are 50000/500000 respectively. With dual display capability, voltage/current/frequency and voltage/current AC/DC components can be displayed at the same time; the highest accuracy is 0.03%. The measurement function of this instrument includes: Measure the true rms value of DC, AC, and DC AC voltages. It can also measure the true rms value of the AC/DC current, resistance, capacitance, temperature (K-type thermocouple), frequency, duty cycle, discontinuousness, diode, etc. The instrument's measurement results can be displayed in digital or analog bar format, with optional USB interface.