Established in 1990, China JouYang Electrical Products Co.,Ltd. is known as a leading power meter manufacturer and designer of high and low-voltage electric appliance in China. We integrate scientific research, development, production, sale and service in one company. Our custom power meters products are characterized by their superior dustproof, splash-proof, anticorrosion, fire-resistant, thermo-stability and aging-resistant properties. Having received ISO9001 certification for our manufacturing and sales systems, we have also been issued European 'CE' and Chinese 'CCC' safety authorizations for our products. All of our OEM power meter products are strictly according to IEC/GS/EMC/LICE/UL/CSA standard and guaranteed by People's insurance Corporation of China (PICC).

The Power Meter i-D is a unique monitoring tool that measure Power & Speed with the ability to display both standard and metric measurements. Information is transferred directly without the use of extra wires. When connected, the SBC i-D has the ability to operate the Speed Map function and also display OPT1 and OPT2 readings. The SBC i-D can record and replay any information on the Power Meter i-D. Features: Compact 1/2 din size Chassis dynamometer (up to 1183hp) Reads speed in mph or km/h (up to 249 mph or 399kph) User adjustable brightness and contrast Easy to read illumi-drive (i-D) white lighting Easy 3 wire hook up (attaches to stock speed sensor) Compatible with naturally aspirated and turbo charged vehicles Reads speed in mph or km/h (up to 249 mph or 399kph)

JW3211 optical power meter is the latest self-developed multi-functional power meter designed for the installation, construction and maintenance of optical fiber network. It features compact size, smooth appearance, user friendly design, optional backlight, auto shut down function, wide measurement range, accurate test, brand-new REF function and universal connector. The stability and reliability of this power meter are greatly improved with the large square (ф1.0mm) detector.
Newly added "REF" function
Self-calibrating function
more than 140 hours battery lif
Special univerisal connector FC/SC/ST
Optional auto shut down function
Optional backlight