Profile: Blue Jay Technology Co.,Ltd designs & manufactures electronic products, computer control equipment, and communications & network equipment. Our products include multi-function panel meter, digital panel meter, power factor controller, temperature & humidity controller, electric transducer, and automatic control systems. The BJ-194E-9SY power meter is a high-end multi-function power meter for monitoring & controlling of power distribution systems in balanced & unbalanced three-phase industrial networks. The B series temperature & humidity controller with completed fuzzy algorithm control fan or heater, maintains sensible & latent capacity, and follows temperature curve automatically. The user can adjust humidity value easily to use dial & LED indicator to show the relay status.