Micromate Operator Manual – 721U0201 Revision 6 121
calibration report. If the Micromate is being returned for its annual calibration an As Found report
will also be generated. The As Found report will follow the same procedure as above except no
adjustments will be made. This report is used to document the actual response of each of the
three sensors in the state in which the unit was received.
Below are sample graphs of both the ISEE and DIN standards. The thick lines on these graphs show
the amplitude and frequency or phase verses frequency limits for the respective standard. The
actual sensor response is the thin line that falls within the limits of the specific standard. A passing
sensor will have all of its responses completely within the limits of the standard.
ISEE Amplitude verses Frequency Response Phase verses Frequency Response
DIN 45669-1 Amplitude verses Frequency Response Phase verses Frequency Response
NOTE: If the current geophone response standard does not meet your monitoring requirements,
the Micromate and its geophone can be returned to the Instantel factory and re-calibrated to the
desired standard. As an example if the Micromate and geophone has an ISEE response and the job
requires a DIN response, the Micromate and geophone can be returned to the Instantel factory to
be calibrated with a DIN response. Contact Instantel or your authorized dealer for additional
information.
Sensor Response
ISEE Response Limits
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