Fluke 1507 Insulation measuring device, 50 V, 100 V, 250 V, 500 V, 1000 V (+20 %, -0 %) 2427890 Manuale Utente

12 

• 

The primary display shows ---- until you press the 

T

 button and a valid resistance reading is 

obtained. 

• 

The high voltage symbol (

Y

) along with a primary 

display of >2 V warns if voltage greater than 2 V 
ac or dc is present. In this condition, the test is 
inhibited. Disconnect the Tester and remove 
power before proceeding. 

• 

If the Tester chirps when you press the 

T

 

button, the test is inhibited because voltage is 
present at the probes. 

5.

 

Push and hold the 

T

 button to start the test. The 

t

 icon appears on the lower portion of the display 

until you release the 

T

 button. The resistance 

reading appears on the primary display until a new 
test is started or a different function or range is 
selected. 

When resistance is higher than the maximum display 
range, the Tester displays the > symbol and the 
maximum resistance for the range. 

. 

INSULATION  TESTER

 

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