Sutron 8310 - Page 65

Sutron Corporation 8310 & 7310 Users Manual 8800-1125Rev. 2.7 (BETA) 4/16/2014 pg. 65
Instantaneous
Takes a single measurement, produces a single output.
Interval, Time
Interval and Time together define when measurements should be taken. Interval is the
time between measurements, and Time is an offset from actual time, both in format of
HH:MM:SS. For example, if Time is set to 00:00:00 and Interval is 00:15:00,
measurements will be made right on the hour, at 15 past, at 30 past, and at 45 past the
hour. Another example: with Time=00:00:45 and Interval = 00:01:00, measurements will
be taken every minute, but they will be taken when the actual time reads 45 seconds
past the minute.
Average
Takes multiple measurements, produces outputs of average, min, max, standard deviation and
count.
Interval, Time, Sampleinterval, SampleDuration
Used when averaging is specified. SampleInterval specifies the time between samples while
SampleDuration specifies how much sampling to do before producing the average. Sampling
starts at Time + Interval – SampleDuration + SampleInterval, and the last sample is taken at Time
+ Interval. For example, with Time=00:03:00, Interval=00:20:00, SampleInterval=00:01:00 and
SampleDuration=00:10:00, the system would start its first sample at 00:14:00 and take samples
every 1 minute until 00:23:00, at which time it would compute the average of the 10 samples.
The timestamp given to the average would be 00:23:00, and the measurement cycle would start
again, producing subsequent averages with timestamps of 00:43:00, 01:03:00, 01:23:00,
01:43:00, etc. A visual representation of this example is shown below. Each arrow represents a
sample being taken.