Fluke 8842A Instruction Manual page 20

MEDIUM AND FAST READING RATES........In medium rate, add 50 counts to number of counts. In fast
NONSINUSOIDAL INPUTS ...........................For nonsinusoidal inputs ≥10,000 counts with frequency
FUNDAMENTAL
FREQUENCY
45 HZ to 5 kHz
20 Hz to 45 Hz
Operating Characteristics
TEMPERATURE COEFFICIENT ............Less than 0.1 x accuracy specification per °C to 18°C and
MAXIMUM INPUT...................................2A dc or rms ac. Protected with 2A, 250V fuse accessible at
BURDEN VOLTAGE ...............................1V dc or rms ac typical at full scale.
RESISTANCE
Input Characteristics
RANGE
2
20Ω
200Ω
2 kΩ
20 kΩ
200 kΩ
2000 kΩ
20 MΩ
1. 4½ digits at the fastest reading rate.
2. Four-wire ohms only.
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).
components ≤100 kHz, add the following % of reading to
the accuracy specifications
1.0 TO 1.5
0.05
0.2
28°C to 50°C.
front panel, and interval 3A, 600V fuse.
FULL SCALE
5½ DIGITS
5½ DIGITS
19.999Ω 0.1 mΩ
199.999Ω 1 mΩ
1.99999 kΩ 10 mΩ
19.9999 kΩ 100 mΩ
199.999 kΩ 1Ω
1999.99 kΩ 10Ω
19.9999 MΩ 100Ω
Introduction and Specifications
CREST FACTOR
1.5 TO 2.0
0.15
0.7
RESOLUTION
1
4½ DIGITS
1 mΩ
10 mΩ
100 mΩ
1Ω
10Ω
100Ω
1 kΩ
SPECIFICATIONS
2.0 TO 3.0
0.3
1.5
CURRENT
THROUGH UNKNOWN
1 mA
1 mA
1 mA
100 µA
10 µA
5 µA
0.5 µA
1
1-7