Appendixes

9 - 7

ΩMODE

(external 4-mm banana jack inputs)

Ranges

30Ω, 300Ω, 3 kΩ, 30 kΩ, 300 kΩ, 3 MΩ, 30 MΩ

Accuracy (300Ω to 30 MΩ)

....................... ±(0.5% +5 counts)

Accuracy (30Ω)

±(2.5% +25 counts)

Full Scale Reading

3000 counts

Measurement Current

500 ∝A, 500 ∝A, 70 ∝A, 7 ∝A,

 

 

 

700 nA, 70 nA, 70 nA

Open Circuit Voltage

<4V

Full Scale Voltage

<250 mV to 3 MΩ, <2V to 30 MΩ

Continuity Beeper

audible for readings

 

 

 

<5% of selected range

DIODE TEST MODE (external 4 mm banana jack inputs)

Open Circuit Voltage

≤4V

Full Scale Voltage

2.800V

Measurement Current

0.5 mA

Continuity Beeper

audible for readings <1V

EXTERNAL mV MODE

Displays up to four readings and a full size waveform of the 4 mm banana jack input.

DC Voltage

 

Ranges

300 mV, 3V

Accuracy

±(0.5% +5 counts)

Full Scale Reading

3000 counts

Normal Mode Rejection

>50 dB at 50 or 60 Hz

Common Mode Rejection

>100 dB at DC, 50, 60,

 

or 400 Hz

AC or AC+DC True RMS Voltage

Ranges

300 mV, 3V

Accuracy

DC, 50 Hz, and 60 Hz.

(valid from >5% of range)

±(2% +15 counts)

 

OL at >2250 counts in 3V range

Full Scale Reading

3000 counts

Crest Factor .... Automatic ranging on crest factor overload

Common Mode Rejection Ratio

>60 dB, DC to 60 Hz

Additional EXTernal mV mode measurements

Frequency, RPM, Duty Cycle and Pulse Width measurements and waveforms can also be made with reduced accuracy.

°C / °F TEMPERATURE SCALING

................. for optional

 

 

 

temperature probes

Scaling

............................................................

1 mV/degree

AMPERE SCALING

for optional current probes

Scaling

...... 1 mV/A, 10 mV/A, 100 mV/A, 1 V/A (1 mV/mA)

 

 

for DC, AC rms, or AC+DC rms

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Page 148
Image 148
Fluke 105B, 99B manual Mode
Page 147 Page 149

99B, 105B specifications

The Fluke 105B and Fluke 99B are highly regarded oscilloscopes that offer a blend of performance, portability, and user-friendly features, making them ideal tools for both professionals and enthusiasts in the electronics field. These oscilloscopes exemplify Fluke's commitment to quality and precision in electrical testing and diagnostics.

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