Zhengzhou, where the most cost-effective optical power meter? [Zhengzhou] Zhengzhou Emi Emi Instrument Instrument Co., Ltd. wholesale sales of various optical power meter, handheld optical power meter, optical multimeter, laser light, red pen, complete specifications, price, quality assurance, service perfect! 0371-55676313 Zhengzhou Megumi URL www.hm5117.cn Instrument Co., Ltd. Contact: Gujingli 0371 -55,676,313 Fax 0371 -66,227,105 Business QQ: 2417674438 Address: Zhengzhou City, South Street, West Street intersection (Tube City Commission southwards 300 m) JW3208 Handheld Optical Power Meter Optical Power Meter with section A, C two models, the power test ranges were: A: 70dBm ~ +3 dBm C:-50dBm ~ +26 dBm Technical Specifications: Instrument Type: JW3208AJW3208 C wavelength range (nm) 800 ~ 1600 Detector InGaAs Measurement Range (dBm) (JW3208A) -70 ~ +3 (JW3208C) -50 ~ +26 Uncertainty ± 5% standard wavelength (nm) 850,980,1300,1310, 1490,1550 Linear Display Display Resolution: 0.1% of the number display: 0.01dBm Operating Temperature (℃) -10 ~ +60 Storage Temperature (℃) -25 ~ +70 auto-off time (min) 10 Battery operating time (h ) 240 Dimensions (mm) 152 × 74 × 26 Power 3 AA 1.5V battery Weight (g) 200