Benstone Instruments have several hand held dynamic signal analyzers.
– Impaq: 4 channel real time up to 40 kHz BW, Cross channel analysis, with Compact Flash storage.
– Fieldpaq: 2+1 real time analyzer.
– v-Pod II: Simple vibration meter with memory for downloading routes.
– 3524B Ultra low frequency Integrator
See their web site for more information.