Fluke 1503 Insulation measuring device, 500V, 1000 V (+20%, -0%) 2427883 Manuale Utente

6 

A 

Press the blue button to select alternate 
measurement functions. 

E 

Press to configure the Tester for a 
polarization index or dielectric absorption 
ratio test. The test will start when you press 
the 

T

 button. 

C 

Sets a pass/fail limit for insulation tests.  

L 

Test lock. When pressed before the 

T

 

button, the test remains active until you 
press the lock or test button again to 
release the lock.  

H 

Turns the backlight on and off. The 
backlight goes off after 2 minutes. 

 

 

T 

Initiates an insulation test when the rotary 
switch is an 

 position. Causes the 

Tester to source (output) a high voltage 
and measure insulation resistance. 

Initiates a resistance test when the rotary 
switch is in the ohms position. 

I 

Unsafe voltage warning. Indicates 30 V or 
greater (ac or dc depending on the rotary 
switch position) is detected on the input. 
Also appears when the display shows 

0L

 in 

the 

b

 switch positions, and when 

batt

 

appears on the display. The 

Z

 also appears 

when insulation test is active. 

J 

Pass indicator. Indicates when the 
insulation resistance measurement is 
greater than the selected compare limit.