HACH Met One 3400 Model 3411 Portable Air and similar items

Hach Met One 3400 Model 3411 Portable Air Particle Counter Product has been power tested and comes as in the photos. The power supply is included in the purchase. The system goes to "Purging" and then shuts off. I do not have enough experience to know how to calibrate the units. Feel free to ask any questions in order to make an informed purhcase decision. 30-day guarantee is only that product powers on as in photos. We will carefully overbox OR overwrap your product to protect during shipping. Please email us with any questions, and check out our other items. We multiple ship! * We are not responsible for incompatibility issues. Shipping cost will be MORE then price listed when shipped to anywhere other then the contiguous lower 48 United States Please make sure that your shipping address is correct - I cannot be responsible for packages that are delivered to the wrong address - If the package is returned to me, then you will be required to pay postage again to have it reshipped to you - Please make sure that your shipping address is correct PLEASE CHECK COMPATIBILITY BETWEEN YOUR DEVICES AND THE BRAND MANUFACTURER WEBSITE TO ENSURE CORRECT USAGE AND COMPATIBILITY. Return Description: If you require any help with your order, please don?t hesitate to contact us by any of the below methods. We truly value the opportunity to work with you and provide service and support. If the item is damaged faulty or in any way not as described, then you will not be responsible for the return postage. We will gladly offer a refund or replacement. To ensure we can provide you with the best products, service and support, we do thorough testing and inspecting of all damaged returns. If the item is returned in a lesser condition than it was sold, or if we find no fault with the item, then we reserve the right to charge up to a 20% Restocking Fee. Shipping will also NOT be refunded. To help ensure the safety and quality of the community for all sellers and buyers, we uphold these policies with the highest of integrity. **Damaged Items in Shipping: Upon arrival, if you suspect ANY damage during the shipment of your unit please take photos of the box BEFORE opening. We do guarantee this to be in working condition. *We do not guarantee batteries. Please check my other auctions, or email if you have questions. We guarantee 30-DAY NO DOA! (except shipping) *If there was a problem with item due to shipping, please ensure the packaging is saved and photographed.