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Appendix 2 - Glossary
Lower Alarm Threshold
If a recorded temperature or humidity value is equal to or below this value it is regarded
to be an alarm reading.
N
Non-Alarm Range
Target temperature/humidity range where the readings are regarded as acceptable/within
specification
Non-Alert Range
Target temperature/humidity range where the readings are regarded as acceptable/within
specification
P
Primary Alarm
The alarm threshold closest to the non-alarm range in a multi-alarm device
S
Secondary Alarm
The alarm threshold second closest to the non-alarm range
Single Event Alarm
Temperature or Humidity readings are above or below the configured threshold for the
time defined without interruption.
T
Tertiary Alarm
The alarm threshold third closest to the non-alarm range
Trip
Readings taken sequentially from starting a unit until it has been re-configured or
stopped.
Trip number
The number of times a unit has been started.
U
Upper Alarm
An alarm is called an Upper Alarm if the alarm trigger condition requires readings to
exceed an upper threshold temperature/humidity.
VFC400-USB User Guide
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