6F8A0917

8.2.3Exciting 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

6Hz

12Hz

24Hz

Zero-point stability

Good

 

 

Response

 

 

Good

Fluid noise immunity

 

 

Good

However, the range of usable exciting frequency depending on the detector to be combined is shown below.

 

Detector

Meter size

Corresponding exciting frequency

 

combined

 

 

 

 

6Hz

12Hz

24Hz

 

 

 

 

 

 

 

 

 

LF470

1/10",1/6”,1/4" (2.5 to 6 mm)

 

LF150

26” to 120” (500 to 3000 mm)

 

 

 

 

 

 

 

335

All sizes

 

 

 

 

 

 

* 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

Display example

Description

 

 

 

 

A3: EX. FREQ.

Select A3: EX. FREQ. from the setting item selection menu.

 

24 Hz

The currently set exciting frequency appears.

A3: EX. FREQ.

Returns to the menu of setting item selection.

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Toshiba L5232 manual Exciting Frequency, Checking the exciting frequency, 10,1/6,1/4 2.5 to 6 mm, 26 to 120 500 to 3000 mm