Appendices

Specifications A

Ohms

Range

300

3k

30 k

300k

3M

30 M

300 M*

100

1000

10 k

100 k

1000 k

10 M

100 M*

Resolution

 

Slow

 

Medium

 

 

 

 

 

 

 

 

 

10 m

100 M

1

10

100

1 k

100 k

1 m

10 m

100 m

1

10

100

100 k

Fast

100M

1

10

100

1k

10k

1M

Accuracy

0.05 % + 2 + 0.02

0.05% + 2

0.05% + 2

0.05% + 2

0.06% + 2

0.25% + 3

2 %

0.05 % + 8 + 0.02

0.05 % + 8 + 0.02

0.05%+8

0.05% + 8

0.06% + 8

0.25% + 6

2 % + 2

Typical Full

Scale

Voltage

0.25

0.24

0.29

0.29

0.3

2.25

2.9

0.09

0.10

0.11

0.11

0.12

1.5

2.75

Max Current

Through the

Unknown

1mA 120µ A

14µ A 1.5 µ A

150µ A

320µ A

320µ A

1mA

120µ A

14µ A 1.5 µ A

150µ A

150µ A

320µ A

*Because of the method used to measure resistance, the 100 M(slow) and 300 M

(medium and fast)

ranges cannot measure below 3.2 Mand 20 M

 

, respectively. "UL" (underload) is shown on the display for

resistances below these nominal points, and the computer interface outputs "+1 E-9".

 

 

 

 

 

Open Circuit Voltage

 

 

 

3.2 V maximum on the 100 , 300

, 30 M, 100 M, and 300 M

ranges, 1.5 V

maximum on all other ranges.

 

 

 

Input Protection

500 V dc or rms ac on all ranges

Diode Test/Continuity

 

Maximum Reading

 

 

Slow

999.99 mV

Medium

2.5 V

Fast

2.5 V

 

 

Resolution

10µ V

100µ V

1mV

Test Current

Approximately 0.7 mA when measuring a forward biased junction.

Audible Tone

Continuous tone for continuity. Brief tone for normal forward biased diode or semiconductor junction.

A-7

Page 108
Image 108
Fluke 45 user manual Ohms, Diode Test/Continuity

45 specifications

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