Page 78 ST 700 Series HART/DE Option User’s Manual Revision 4.0
9.2.3 SV Tracking
Table 18 – Maximum SV Tracking
Meterbody Temperature (SV) upper operating
limit from specification.
Highest Meterbody Temperature ever
experienced by the device.
None - value initialized to Min SV Limit value
prior to leaving the factory. Updates to current
Meterbody Temperature automatically when
powered at user site after one minute.
Update after every 8 hours.
Time Above
Upper Stress
Limit
Accumulation of minutes that device’s
Meterbody Temperature has been above the
value of SV Upper Stress Limit.
Backup once each 8 hour period
Time that has passed since the last time
device’s Meterbody Temperature has passed
above the value of “SV Upper Stress Limit” (in
days, hours and minutes).
Backup once each 8 hour period
Table 19 – Minimum SV Tracking
Meterbody Temperature (SV) lower operating
limit from specification.
Lowest Meterbody Temperature ever
experienced by the device.
None - value initialized to Max SV Limit value
prior to leaving the factory. Updates to current
Meterbody Temperature automatically when
powered at user site after one minute.
Update after every 8 hours.
Time Below
Lower Stress
Limit
Accumulation of minutes that device’s
Meterbody Temperature has been below the
value of “SV Lower Stress Limit”.
Backup once each 8 hour period
Time that has passed since the last time
device’s Meterbody Temperature has passed
below the value of “SV Lower Stress Limit” (in
days, hours, and minutes).
Backup once each 8 hour period