Offered Explosive Detector is provided with latest vacuum UV lamp ionization technology so as to ensure correct determination of the available hazardous items. The detecting function of the provided detector is based on the negative as well as positive dual mode, which enable the speed in the operation. Explosive Detector is provided with a user friendly mechanism and can feature the single touch based detecting facility. The monitoring device is provided with high speed analysis technique and gives the result within a short period of time. Supplied is provided with a programmed fault diagnosis technology, mechanical cleaning arrangement and real time data storage function. The retrieval function, automatic calibration mechanism and colored touch screens are provided for the convenience in operation.