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Measurement Range
RMS velocity (frequency dependent): 0.008 in/s to >4.35 in/s (0.20 mm/s to
>110.5 mm/s)
PeakVue: 0.02 g to 80 g (0.2 m/s
2
to 785 m/s
2
)
PeakVue details: 51.2 kHz sampling rate, 4096 samples/block, 1000 Hz high
pass filter
Accuracy
For vibration over stated frequency response (at room temperature)
RMS velocity:
• +/- 5% from 10 Hz to 800 Hz
• (3.0 dB) from 2 Hz to 1000 Hz
PeakVue:
• +/- 5% from 2000 Hz to 10 kHz
• (3.0 dB) from 1000 Hz to 25 kHz
Temperature
• +/- 2°C
Sensor variability (vibration)
• Temperature coefficient: 0.1% per °F; 0.18% per °C (2 dB, worst case)
• EMI/transient susceptibility (2.4 GHz only): +/- 15% (1.2 dB) under worst-
case interference conditions (per EN 61326)
• 3 dB up to 10 kHz; 10 dB up to 25 kHz
Sensor variability (temperature)
EMI/transient susceptibility of the temperature measurement is unspecified,
since this is not the primary purpose of the device. Testing has demonstrated
that high-intensity RF fields have the potential to render the temperature
measurement meaningless.
Measurement precision
Measurement precision refers to the variability of the same measurement in a
fixed operating environment under steady-state conditions. For vibration, this
value is obtained with statistical measurements with 1 g-peak (9.81 m/s
2
)
input excitation at a frequency of 100 Hz. For temperature, this value is
obtained with statistical measurements at room temperature.
• Vibration: 0.2 dB
• Temperature: +/- 2°C
Specifications and reference data
116 MHM-97408, Rev 15