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Abstract
Primary objective: To evaluate the use of electrosurgical analysers in testing power output and leakage current from an electrosurgery unit and compare this to the manufacturer recommendations for routine testing.Method: Two electrosurgical analysers were compared to reference measurements (carried out using non-inductive resistors, a current transformer and oscilloscope) over a range of tests described in IEC 60601-2-2: 1998 measuring power output and leakage currents in different conditions. The analysers used were Metron QA-ES and Fluke 454A.Outcomes: Both analysers gave similar results to the reference measurements for power output. The Metron QA-ES gave similar results to the reference measurements for leakage current testing; however the Fluke 454A gave substantially different results when used as described in the manual.Conclusions: Electrosurgical analysers can be a valuable tool in the workshop, enabling rapid, accurate testing of electrosurgery equipment without needing additional equipment and setting up times. Not all analysers can perform all the tests that may be needed and in some cases the accuracy of the results is questionable. Users must be certain of the capabilities and limitations of the analyser before making decisions based on the results.