This rigol-uk.co.uk website is operated by Telonic Instruments Limited, a UK authorised distributor for Rigol. Telonic Instruments is a family run company that has been operating in the UK since 1966 offering products in the test instrument and power supply market. We are ISO9001:2015 approved by NQA (National Quality Assurance). Telonic carries out quality assessments on all of our suppliers to ensure the highest standards are maintained.