Metal Halide Lamp

There are lamp is known as metal halide lamp. It has a short Are tube.

Series led lamp output characteristics of different mixtures of elements. When such metals (like thallium, indium, sodium, dysprosium) are introduced into mercury are tube, the mercury spectrum is suppressed reducing the ultraviolet radiation but added metal atoms partly compensate sell by causing a wide range of spectral bonds to be emitted.

Metal Halide Lamp

It is possible product to all color available If the the discharge tube. its halide is used like iodide i.e. sodium iodide. The lamps require high starting voltage.

This is provided by ignitor as shown connector show in the Fig. Ignitor is connected across the lamp terminals.

This type of starter (ignitor) enables the lamp tu be restruck within a minute of being switched off.