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----- Supply network analyzer CVM-144 ------ User's manual --- Page No. 22

6.3.- Voltage transformation ratio

6.3.1.- Voltage Transformer Primary

On the screen we read the word "SET U P" followed by 5 digits. They allow

us setting the primary of the voltage transformer.

SET U

P - -

- - -

a.- To write or modify the value just repeatedly press the "max" key and the

blinking digit value will be increased.

b.- When the value on screen is the proper one, we can pass to the next digit

by pressing the "min" key in order to modify the other values.

c.- When the blinking digit is the last one, pressing the "min" key we go back

to the initial value: set values can be again modified.

d.- Press"

" to pass to the next setup option.

Note:

Maximum values of transformation ratios which are allowable to be set,

depend on the full-scale value of the measuring instrument. (see indications on the

rear side lable).

FULL-SCALE

VALUE

MAXIMUM ALLOWABLE

VALUE

110 V~ 99,999

300 V~ 70,000

500 V~ 40,000

- In case that a value higher than the maximum allowable value is validated

", the screen will blink and the previous set value will be kept in memory.

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Circutor CVM144 Series Manuale Utente Pagina 23