Optical power meter which brand best quality? Zhengzhou where to sell it? Company Address and phone Model: JW3208 Origin: Shanghai Scope: Fiber CATV engineering, optical fiber communication engineering, optical fiber sensing research, production and research of optical devices, other optical engineering products can be customized overview JW3208 handheld optical power calibration meter is for the installation, operation and maintenance of fiber optic network designed to precise, durable, convenient, portable test instruments. With a smart appearance, switch selectable backlit display, automatic shutdown function, wide range of optical power test, accurate test precision and a new self-calibration function and general user interface design. Applications Engineering Optical Communication Engineering Fiber CATV fiber optic sensing optics research study other fiber production and engineering product features: new user self-calibration function extraordinary battery life using a common AA batteries, up to 240 hours of continuous working time linear mW and nonlinear dBm indicators also show a unique universal interface design FC / SC / ST and other interfaces Universal, without complex conversion quick response, without preheating optional automatic shutdown function Optional backlight display Specifications Type JW3208A JW3208C wavelength Range: 800 ~ 1600 nm probe type: InGaAs Power Measurement Range: -70 ~ 3 -50 ~ 26 dBm Uncertainty: ± 5% standard wavelength: 850,980,1300,1310,1490,1550 nm linear display Display Resolution : 0.1% of the number display: 0.01dBm Working temperature: -10 ~ 60 ℃ Storage Temperature: -25 ~ 70 ℃ Auto shutdown time: 10 min Battery Operating Time: 240 h Dimensions: 175 × 82 × 33 mm Power: 3 Section AA1.5V Battery Weight: 310g Zhengzhou Megumi Instrument Co., Ltd. Contact: Mr Zhu 13017693918 Tel :0371-66227105 QQ: 625132122 Address: Zhengzhou City, South Street, West Street intersection (Tube City Commission south 300 meters) official website: www.91-17.com