Instruction Manual
7-103
IM 01R04B04-00E-E 8th edition March 01, 2011 -00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
IMPORTANT
.
Please set zero under process conditions after warming up the
converter.
Select:
Select:
Select the duration of autozero performing.
Recommended: 3 min
Select:
If is selected Autozero is started. After autozero execution
the autozero value is indicated for 3 seconds and the date should be
entered (format: dd/mm/yyyy).
Pressing SET stores value, date, temperature and density in autozero
history.
Note: Autozero function can’t be terminated. Autozero value will be
calculated and used once the function has been started!
Result of
Indicates 5 latest autozero values with date of execution, temperature
and density during execution (only if date has been entered).
This function allows checking the quality of autozero condition and
long term zero drift.
Indicates the factory autozero value
Indicates the typical maximum autozero range. If this range is exceeded
during autozero the warning W06 is generated. Check the detector
installation!
Warning: If the sensor model is
changed Autozero uctuation
range is zero.
Indicates the factory Autozero uctuation range determined during
calibration. If this range is exceeded during autozero the warning W07
is generated. Check the electrical installation, the plant vibration and
the density (is the detector fully lled?).
(valve on output)
- During autozero time
- Flow is xed to zero
- Totalizer stops counting
- Display keys do not work
Additional information and how to start autozero and how to read autozero history is described in chapter
5.6 "Zero adjustment".