- self calibration - apply replaceable or rechargeable batteries - more than 40 hours continuous working time - Linear Display (mW) and Logarithmic display (dB) show on the same screen - support FC/SC/ST interface and quick switch - Auto switch - Backlight available Specifictions Test. - self calibration - apply replaceable or rechargeable batteries - more than 40 hours continuous working time - Linear Display (mW) and Logarithmic display (dB) show on the same screen - support FC/SC/ST interface and quick switch - Auto switch - Backlight available Specifictions Test. - self calibration - apply replaceable or rechargeable batteries - more than 40 hours continuous working time - Linear Display (mW) and Logarithmic display (dB) show on the same screen - support FC/SC/ST interface and quick switch - Auto switch - Backlight available Specifictions Test Range:. Buy RY3201 Handheld Fiber Optical PON Power Meter FTTX/ONT/OLT 1310/1490/1550nm at Aliexpress for. Find more 509, 50920 and 100001204 products. Enjoy ✓Free Shipping Worldwide! ✓Limited Time Sale ✓Easy Return. Find many great new & used options and get the best deals for RY3201 Digital Handheld PON Fiber Optical Power Meter 1490nm, 1550nm,1310nm at the best online prices at eBay! Free shipping for many products!Fiber Optic Tool Kit, Fiber Optic PLC Splitter, Fiber Optic Fbt Splitter, Fiber Optic Patch Cord, Fiber Optic Pigtail, Fiber Optic Fast Connector, Fiber Optic Fusion Splicer, Fiber Optic OTDR, Fiber Optic Cleaver, Fiber Optic Power Meter Basic Info. Company Introduction:Hefei Xingcheng. RY-P3201 PON power meter aims at the FTTx application and maintenance which not only can be used to test and estimate the PON signals at the same time, but also the normal power measurement and fault identification. It is a useful, essential and ideal tool for the construction and maintenance of. PON Optical Power Meter is an upgraded version of RY-P3201 PON power meter.