ANDO is a renowned manufacturer of electronic test equipment, offering a wide range of advanced instruments that cater to the needs of various industries. Their product line includes high-precision analyzers, optical spectrum analyzers, and power meters. ANDO analogues are equipped with cutting-edge technology and offer several advantages over other similar devices. These include high accuracy and repeatability, fast measurement speeds, and excellent resolution. The instruments are designed to meet the growing demands of modern test and measurement applications. One of the popular models from ANDO is the AQ6317B optical spectrum analyzer. This analyzer provides accurate measurement of various optical parameters, such as spectral width, wavelength, and power. It features a wide dynamic range, allowing measurements from weak to strong signals. Another notable model is the AQ6317, which combines both an optical spectrum analyzer and a power meter in a compact design, making it an ideal choice for field applications. The AQ6315A optical spectrum analyzer is another versatile instrument from ANDO. It offers high-speed measurements, covering a wide wavelength range, and provides excellent resolution and accuracy. The device is commonly used in optical component manufacturing and research applications. Overall, ANDO's electronic test equipment, such as the AQ6317B, AQ6317, and AQ6315A, provides precise measurements, fast performance, and versatility, making them essential tools for various industries.