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8.2.3 Exciting Frequency
The exciting frequency can be selected from 6Hz, 12Hz and 24Hz. Since the features shown below are
apparent depending on the exciting frequency, select an appropriate exciting frequency.
Exciting frequency
Zero-point stability
Response
Fluid noise immunity
However, the range of usable exciting frequency depending on the detector to be combined is shown
below.
Detector
combined
LF470
LF150
335
* Partially filled pipes type LF232*F : Useable only 6Hz
◎ Factory setting
○ Combination allowed
− Combination not allowed
Checking the exciting frequency
Proceed as follows to check or change the setting value for exciting frequency.
Switch operation
A3: EX. FREQ.
A3: EX. FREQ.
6Hz
Good
Meter size
(
1/10",1/6",1/4"
2.5 to 6 mm)
26" to 120" (500 to 3000 mm)
All sizes
Display example
Select A3: EX. FREQ. from the setting item selection menu.
The currently set exciting frequency appears.
24 Hz
Returns to the menu of setting item selection.
- 60 -
12Hz
24Hz
Corresponding exciting frequency
6Hz
12Hz
○
○
−
◎
−
◎
Description
6F8A0917
Good
Good
24Hz
◎
−
−
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