Fluke Fluke 4325181 User Manual

44 

0.020 

Ω

…300 k

Ω

 

0.001 

Ω

...2.999 

Ω

 0.001 

Ω

 

 

 

3.00 

Ω

...29.99 

Ω

 0.01 

Ω

 

 

 

30.0 

Ω…

299.9 

Ω

 0.1 

Ω

 

± (2 % of rdg +2 digit) 

± (5% of rdg +5 digit) 

0.300 k

Ω…

2.999 k

Ω

 1 

Ω

 

3.00 k

Ω…

29.99 k

Ω

 10 

Ω

 

 

 

30.0 k

Ω…

299.9 k

Ω

 100 

Ω

 

 

 

 

Measuring time: 

typical 8 seconds with a fixed frequency 

 

30 seconds maximum with AFC and complete cycle of all 
measuring frequencies 

Additional error because of probe 
and auxiliary earth electrode 
resistance: 

5

%

10

25

.

1

)

2000

(

6

+

×

×

Ω

+

−

 

Measuring error of RH and RS: 

typical 10 % of 

+

+

 

Maximum probe resistance: 

≤1 M 

Ω

 

Maximum auxiliary earth electrode 
resistance: 

≤1 M 

Ω

 

If after a measurement of probe, auxiliary earth electrode, and earthing resistance, a 
measurement error of higher than 30 % is assumed because of the influencing conditions, the 
display shows a warning symbol  and a notice that R

S

 or R

H

 are too high. 

 

<300 

Ω

 <250 

Ω

 1 

m

Ω

 

<6 k

Ω

 <2.5 

k

Ω

 10 

m

Ω

 

<60 k

Ω

 <25 

k

Ω

 100 

m

Ω

 

<600 k

Ω

 <250 

k

Ω

 1 

Ω