For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

It has 999 groups of data records, can view the data curve, with 3.2-inch TFT full-color display, automatic measurement, real-time date and time, rechargeable lithium battery or separate external USB power supply, stable data, etc.

This product uses the principle of engraved scattering to detect the quality, temperature, and humidity of 0.3um, 2.5um, and the number of particles PM2.5 and PM10.

It can be used widely to class 100 clean room and below clean room inspection. Industrial production of electronics, optics, chemicals, food, medicine and health, biological products, aerospace, etc. Filter seal inspection, particle pollution source detection.

Please feel free to contact us if you have any question and we will reply ASAP to offer the best solution.