Emerson CSI 2140 machinery health analyser — portable 4-channel vibration and machinery diagnostics. Order tracking, envelope analysis, cross-channel phase, orbit, time waveform. Applications: rotating machinery condition monitoring, marine main engine and gearbox trending, plant PMS vibration acceptance testing. Data offloads to Emerson AMS Machinery Manager. Companion to CSI 2130 (2-channel legacy) and CSI 2600 (advanced high-frequency).