70 dB Dynamic Range Optical Spectrum Analyzer 600–1750nm Anritsu MS9170C

MS9170C is an Anritsu diffraction-grating OSA model referenced in telecom production tool lists and academic work. Public datasheets are scarce, but contemporary MS9710B/C materials indicate this platform class covers 600–1750 nm with 0.05–0.07 nm minimum RBW, –90 dBm sensitivity and up to 70 dB dynamic range at 1 nm offset—sufficient for DWDM OSNR and narrow-band filter evaluation. A study reports MS9170C use around 1560 nm with 200 nm span, consistent with C/L-band work. Please provide the unit’s option codes/label to confirm exact wavelength accuracy, RBW set, input connector type, and presence of internal attenuator/reference source.

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Founded in 2017 and headquartered in Shenzhen, TESTRO Electronics LLC focuses on the secondary sale and flexible rental of high-end electronic test instruments. The team counts 30 employees and operates a 1,500 m² warehouse and inspection center in Qianhai, Shenzhen.

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Over the past two decades, rapid advances in China’s radio-frequency sector have shortened production-line refresh cycles to roughly 3–5 years. Leveraging long-term partnerships with equipment OEMs, research institutes, and calibration labs, TESTRO acquires traceable, well-maintained decommissioned or replacement units. Every instrument undergoes a five-step technical check and third-party calibration before entering stock, ensuring reliable performance data.

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