Appendices

Specifications A

Ohms

Range

300Ω

3kΩ

30 kΩ

300kΩ

3MΩ

30 MΩ

300 MΩ *

100Ω

1000 Ω

10 kΩ

100 kΩ

1000 kΩ

10 MΩ

100 MΩ *

Resolution

 

Slow

 

Medium

 

 

 

 

 

 

 

 

 

—10 mΩ

—100 MΩ

—1 Ω

—10 Ω

—100 Ω

—1 kΩ

—100 kΩ

1 mΩ

—

10 mΩ

—

100 mΩ

—

1 Ω

—

10 Ω

—

100 Ω

—

100 kΩ

—

Fast

100MΩ

1Ω

10Ω

100Ω

1kΩ

10kΩ

1MΩ

—

—

—

—

—

—

—

Accuracy

0.05 % + 2 + 0.02Ω

0.05% + 2

0.05% + 2

0.05% + 2

0.06% + 2

0.25% + 3

2 %

0.05 % + 8 + 0.02 Ω

0.05 % + 8 + 0.02Ω

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 MΩ (slow) and 300 MΩ

(medium and fast)

ranges cannot measure below 3.2 MΩ and 20 MΩ

 

, 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 Ω , 300 Ω

, 30 MΩ , 100 MΩ , and 300 MΩ

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 111
Image 111
Fluke 45 user manual Ohms, Diode Test/Continuity

45 specifications

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