Dual Energy X-ray Detectors from METTLER TOLEDO Provide Advanced Detection of ‘ Hard-to-Find ’ Contaminants
X-ray inspection systems are predominantly designed to detect unwanted physical contaminants within food and pharmaceutical products , regardless of their shape , packaging type or location . Hard-to-find contaminants can go undetected if you are not using the right detector technology for your application . X-ray inspection systems equipped with dual energy detector technology raise contamination detection to a new level .
The new advanced detector technologies , DXD and DXD + from METTLER TOLEDO enable the detection of low-density contaminants including bone , plastics
and rubbers within formerly hard-toinspect applications . These types of contaminants are traditionally hard to detect within the ‘ cluttered ’ or ‘ noisy ’ x-ray images generated by overlapping and multi-textured products such as packs of pasta , chicken breasts , sausages and frozen potato-based goods .
Such applications are a perfect match for DXD and DXD + advanced detector technology , in conjunction with intuitive new METTLER TOLEDO Advanced Material Discrimination software tools . The software helps to separate and remove the prominent material of the food product within the x-ray image , revealing the presence of any lower density contaminants . As a result of the accuracy and reliability of DXD and DXD + detection , food manufacturers can be more confident that their products are safe for consumers . They will also benefit from reduced False Reject Rates and product waste , helping to deliver a fast return on investment .
The outstanding performance of this cutting-edge technology has been shown in tests conducted by METTLER TOLEDO , in which a range of different foreign bodies were hidden in 650 gram packs of chicken breasts . The table below illustrates these results :
Contaminant type Smallest size detected with 100 % Probability of Detection ( P . O . D ) using single energy x-ray
Aluminium 3 mm 2 mm Low Mineral Glass 3 mm 2 mm Rubber 6 mm 5 mm Wish bone * Undetected 100 % detection Rib bone * Undetected 95 % detection Fan bone * Undetected 30 % detection
* embedded bone of 2mm thickness or less
Smallest size detected with 100 % Probability of Detection ( P . O . D ) using DXD or DXD +