Caracteristicas:Though similar in appearance to a vacuum tube, the principle is not to heat the cathode. It is therefore called a variant of a cold cathode tube or a neon lamp. At room temperature, the temperature of such tubes rarely exceeds 40 ° C even under extreme indoor operating conditions.
Máquina recomendada:Semi-automatic model ZCX-PJ180、Automatic model ZCX-SZ700