Warranty and refund

We do our best to provide high quality products.
If you have any problems with your shipped items, please contact us for an RMA number. Our technical service will contact you to determine if the merchandise needs to be replaced or repaired.

Important: Before requesting the RMA, please read the document first: Terms and Conditions.

The customer has 15 days from receipt of the product to detect any fault and inform the NT Sensors team.
In case of return, it must be previously communicated within this 15 days limit and be prepaid.

The original shipment and packaging must be in perfect condition.
Return forms will not be accepted
of customized solutions and special materials.

Any other failure reported after these 15 days may not be considered under warranty.

The customer must follow the RMA process and wait for authorization of an RMA number.
The customer always pays for shipping to NT Sensors.
If the material was purchased one year ago, it is suitable to be covered by warranty and, in this case, the rest of the operation costs are paid by NT Sensors.
If the material was damaged by misuse, if there is no failure or if the RMA process was not respected, then this RMA is not under warranty and all costs are covered by the customer.

Any material delivered by NT Sensors is warranted against manufacturing defects in accordance with European standard 89/655/EEC.
– Lack of proper maintenance and alteration or change of any component waives all liability of the manufacturer for any damage that may occur.
– See warranty supplied with each material.


Product warranty

NT Sensors warrants its Products to conform to the specifications of its offerings for a period of two (2) years from the date of delivery, invoice document or shipping document evidencing (“the Warranty Period”), provided they are handled, shipped, stored, operated, used and maintained in accordance with the shipping instructions.
Therefore, NT Sensors assumes liability only for non-conformities caused by actions or negligence attributable to NT Sensors before the Products were delivered to the first carrier.
Customer/OEM shall check deliveries immediately upon receipt at destination and inform NT Sensors in writing within seven (7) days of any apparent nonconformity.
After such period, the Customer/OEM Customer shall not be entitled to make any claims with respect to quantitative deficiencies or non-apparent nonconformities that should have been noticed during unpacking, and NT Sensors shall not be obligated to accept the return of such products.
Claims for hidden defects or qualitative nonconformities must reach NT Sensors in writing within thirty (30) days of the Customer/OEM Customer’s knowledge of the nonconformity and, in any event, within the Warranty Period.

Warranty procedure

The following procedure shall apply to any non-conformity reported to NT Sensors within the Warranty Period: The Customer/OEM Customer shall report any alleged non-conformity to NT Sensors After Sales Service by email to ntsensors@ntsensors.com, including a detailed list of all alleged non-conformities .
NT Sensors will have five (5) business days to respond.
The warranty period for any replacement product shall be the same as that remaining for the replaced product; failure of NT Sensors to respond within the above time frame shall be deemed a rejection of the OEM customer’s claim.
Any costs resulting from analysis or testing to determine if non-conformance exists will be paid by NT Sensors in the event the result shows non-conformance of the product and by the OEM Customer/Customer in the event they are in compliance; replacement Products may be new or equivalent in performance to new.
NT Sensors does not warrant:
(i) that the components of any replacement Product are from the same supplier or are exactly the same as in the replaced Product.
(ii) that the operation of the Products will be uninterrupted or error free.
Products may contain remanufactured parts equivalent to new in performance or may have been subject to incidental use.

Shipping and examination costs under warranty

Repair service can be obtained by sending the non-conforming product to NT Sensors (shipping costs prepaid), only after obtaining a Return Merchandise Authorization (RMA) number from NT Sensors’ after-sales service, according to the instructions received from our customer.

Service Department.
Some of our products are protected with a security seal and by removing this seal, the OEM Customer/Customer will waive this warranty.
If the Product is found to be defective upon examination by NT Sensors, NT Sensors will assume the shipping costs incurred in returning the Product to the Customer/OEM, as well as all costs involved in NT Sensors’ examination of the Product.
If the Product is found, upon examination by NT Sensors, that the Customer/OEM Customer will bear the shipping costs incurred in returning the Product.
NT Sensors may, at its discretion, require the Product claimed to be non-conforming to be inspected or tested by an independent third party acceptable to NT Sensors.

Scope of Warranty The scope of this warranty is limited to the hardware components of the main board, sensor board and sensor brackets manufactured by NT Sensors.

Consumable parts warranty

Products that are considered consumables (sensors, electrodes, standards) are not included in the general warranty. NT Sensors warranties for consumables is 3 months from the date of delivery, invoice document or shipping document showing. The consumable warranty covers any manufacturing defects.
It should be noted that the service life of consumable products may be less than this warranty period due to usage, sample type/matrix or storage conditions.
NT Sensors will replace at no additional cost the consumable part that, after inspection, has been found to be “defective in origin”.

Consumable warranty limitations

The sensor warranty does not cover defects caused by: – improper use, – usual sensor aging, – logical premature aging caused by certain samples, – damage caused by accident.

Warranty exclusions

This warranty does not apply to non-conformities resulting from: Hardware.
Any hardware components manufactured by third parties, whether integrated into the Products or sold together with the Products as a kit, namely, but not limited to:

  • Any external components that deteriorate due to normal wear and tear, such as sensor probes, cables, connectors, etc..;
  • Any perishable components, such as calibrated ion sensors, which lose a small percentage of their original calibration on a monthly basis.
    Sensors.
    This product is not covered by warranty because it is a consumable item.
    NT Sensors SL will not be liable for any damage resulting from any malfunction of the product, any deletion of data or any use of the product.