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Returns and Refunds

Upon acceptance of a Customer Order, Rayleigh Instruments will at all times endeavour to satisfy the contract in terms of: technical description, quantity and quality of goods, correct packing, adherence to agreed prices and delivery schedules and any special conditions which may be pertinent.

Should a customer need to return goods to Rayleigh Instruments they must first obtain a RMA Number (Return Merchandise Authorisation) from our Customer Services department - please telephone +44 (0) 1245 428500.


Items must be returned with an RMA number.

Rayleigh Instruments Limited accepts no responsibility or liability for items returned by customers without an RMA number.

Telephone +44 (0) 1245 428500

Products supplied with a tamper-proof seal cannot be returned if the tamper-proof seal is broken. If the tamper-proof seal has been broken, the products can only be returned in line with your legal rights. Our products are covered for faults by our guarantee. This excludes faults caused by neglect, accident, misuse, failure to follow the instructions or wear and tear.

If you are experiencing problems with the installation or operation of any of our products, please contact our technical support who may be able to resolve any issues you are having.