A-96.250.231 / 130421
AMI Turbitrack
Program List and Explanations
55
4 Operation
4.1 Sensors
4.1.1
Filter time constant:
Used to damp noisy signals. The higher the filter
time constant, the slower the system reacts to changes of the mea
-
sured value. Range: 5–300 sec
4.1.2
Hold after cal:
To allow the instrument to stabilize again after calibra
-
tion. During cal. and hold time the signal outputs are frozen, alarms
and limits are not active. Range: 0–6000 sec
4.2 Relay Contacts
See chapter 5 Installation.
4.3 Logger
The instrument is equipped with an internal logger. The logger data
can be copied to a PC with an USB stick if option USB interface is in
-
stalled.
The logger can save approx. 1500 data records. Records consists of:
date, time, alarms, measured value, flow, raw value, signal, refer
-
ence, humidity, dew point, case temperature.
4.3.1
Log Interval
: Select a convenient log interval. Consult the table be
-
low to estimate the max logging time. When the logging buffer is full,
the oldest data record is erased to make room for the newest one.
(circular buffer).
4.3.2
Clear logger
: If confirmed with yes, all data is erased and a new
data series is started.
5 Installation
5.1 Sensors
5.1.1
Sensor type
: Display of the used sensor type (e.g. TRACK)
5.1.2
Dimension
: Choose the measurement unit (FNU or NTU)
Interval
1 s
5 s
1 min
5 min
10 min
30 min
1 h
Time
25 min
2 h
25 h
5 d
10 d
31 d
62 d