BT—5型电子液位控制器是采用晶体管放大电路,配合高灵敏度电磁继电器,能在较高阻值的液位高低中取出信号加以放大并推动继电器工作。它的触点直接或间接带动中间继电器,使电钤或其他执行机构按指定参数范围工作。该控制器可控制阻值在200千欧的液体、因而取代了以前的浮球式、触点式……等水位继电器。 BT-5 electronic liquid level controller is the use of transistor amplifier circuit, with high sensitivity electromagnetic relay, high-low level in the signal can be taken out to amplify and promote the relay work. Its contacts directly or indirectly drive the intermediate relay, so that electrical 钤 or other implementing agencies to work within the specified parameters. The controller can control the resistance at 200 kilo-ohms of liquid, which replaced the previous float, contact type ... ... and other water level relays.