The RJ-2 high-frequency near-field electromagnetic field strength measuring instrument is specifically used to measure the electric and magnetic field strength of the near-field in the medium and short wave range. It is mainly used in labor protection, environmental monitoring, health and epidemic prevention work. The frequency range of use of this instrument is 200KHZ-30MHz
Electric field range: 1V/M-1500V/M Magnetic field range: 1A/M-300A/M

The RJ-2 high-frequency near-field electromagnetic field strength meter and the RJ-3 high-frequency near-field electric field measuring instrument are specialized instruments used to measure the electric and magnetic field strength of near-field fields in the medium and short wave range. They are mainly used in labor protection, environmental protection, labor hygiene and other work. They are specifically used to measure the near-field and environmental field strength of high-frequency equipment such as high-frequency welding, high-frequency heat sealing machines, high-frequency quenching, RF medical equipment, FM radio, television transmitters, etc., in order to determine the hazard range according to standards and take corresponding effective protective measures. Can be used by units related to high-frequency effects such as labor protection, environmental monitoring, health and epidemic prevention, scientific research, military, schools, factories, etc.
The RJ2 high-frequency electromagnetic field intensity meter has the characteristics of small size, high accuracy, easy portability, convenient operation, and lower price compared to similar imported products

RJ2 high-frequency electromagnetic field intensity meter measures frequency range:
200ＫＨＺ－30ＭＨＺ
Electric field range:
１Ｖ／Ｍ－1500Ｖ／Ｍ
Magnetic field range:
１Ａ／Ｍ－300Ａ／ＭＭ

The RJ-3 high-frequency electric field measuring instrument measures the frequency range:
20ＭＨＺ－200ＭＨＺ
Electric field range:
０－450Ｖ／Ｍ