Portable ATP testing devices, the process typically involves the following steps:

1. Sample Collection: A sample is taken from the surface or area of interest. Common applications include measuring the cleanliness of surfaces in food processing facilities, hospitals, restaurants, and other settings where hygiene is critical.
2. Sample Preparation: The collected sample is often mixed with a specific reagent or buffer to release and stabilize the ATP present in the cells within the sample.
3. ATP Reaction: The released ATP reacts with a bioluminescent enzyme called luciferase, which is also provided in the testing device. This enzymatic reaction generates light in direct proportion to the amount of ATP in the sample.
4. Light Detection: The portable ATP testing device is equipped with a photomultiplier tube or other light-detecting technology. The device measures the intensity of the light emitted during the ATP reaction.
5. Display and Results: The device’s software processes the light intensity data, and the ATP level in the sample is displayed on the device’s screen or through a connected interface.

The results from portable ATP testing devices are often expressed as relative light units (RLU) or in ATP concentration units (e.g., femtomoles of ATP per milliliter of sample). The higher the ATP level detected, the greater the level of biological residues or contamination present in the tested area.

These portable ATP testing devices provide rapid and on-site results, making them valuable tools for assessing the cleanliness and hygiene of surfaces and environments. They are commonly used in the food industry, healthcare facilities, hospitality settings, and various other industries where sanitation and hygiene are critical.

Portable ATP testing devices are useful for routine hygiene monitoring, verifying cleaning effectiveness, and identifying potential areas of concern that require further attention to maintain a safe and clean environment.