Fluke 8842a instruction manual Range Full Scale Resolution Current ½ Digits, Through Unknown

Models: 8842a

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Introduction and Specifications

 

 

SPECIFICATIONS

1

MEDIUM AND FAST READING RATES

........In medium rate, add 50 counts to number of counts. In fast

 

 

reading rate, for sinewave inputs 1000 (4½ digit mode)

 

 

counts and frequencies >100 Hz, the accuracy is ±(0.4%

 

 

of reading +30 (4½ digit mode) counts).

 

NONSINUSOIDAL INPUTS

For nonsinusoidal inputs 10,000 counts with frequency

 

 

components 100 kHz, add the following % of reading to

 

 

the accuracy specifications

 

FUNDAMENTAL

FREQUENCY

45 HZ to 5 kHz

20 Hz to 45 Hz

Operating Characteristics

1.0 TO 1.5

0.05

0.2

CREST FACTOR

1.5 TO 2.0

0.15

0.7

2.0TO 3.0 0.3 1.5

TEMPERATURE COEFFICIENT

............Less than 0.1 x accuracy specification per °C to 18°C and

 

28°C to 50°C.

MAXIMUM INPUT

2A dc or rms ac. Protected with 2A, 250V fuse accessible at

 

front panel, and interval 3A, 600V fuse.

BURDEN VOLTAGE

1V dc or rms ac typical at full scale.

RESISTANCE

 

Input Characteristics

 

RANGE

FULL SCALE

RESOLUTION

CURRENT

 

5½ DIGITS

 

 

20Ω2

19.999Ω

200Ω

199.999Ω

2 kΩ

1.99999 kΩ

20 kΩ

19.9999 kΩ

200 kΩ

199.999 kΩ

2000 kΩ

1999.99 kΩ

20 MΩ

19.9999 MΩ

 

 

1.4½ digits at the fastest reading rate.

2.Four-wire ohms only.

5½ DIGITS

0.1mΩ 1 mΩ

10 mΩ

100mΩ 1Ω

10Ω

100Ω

1

4½ DIGITS

1 mΩ

10 mΩ

100mΩ 1Ω

10Ω

100Ω

1 kΩ

THROUGH UNKNOWN

1mA

1mA

1mA

100μA

10μA 5 μA

0.5μA

1-7

Page 21
Image 21
Fluke 8842a instruction manual Range Full Scale Resolution Current ½ Digits, Through Unknown