JOURNAL OF INSTRUMENTATION Journal of Instrumentation, 11 (4 Journal of Instrumentation, Vol. 11, p. P04023 Journal of Instrumentation 11(04), P04023 (2016). doi:10.1088/1748-0221/11/04/P04023 Journal of Instrumentation Journal of Instrumentation, IOP Publishing, 2016, 11, pp.P04023. ⟨10.1088/1748-0221/11/04/P04023⟩ Journal of instrumentation