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Introduction and Specifications
SPECIFICATIONS
1
1-7
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
CREST FACTOR
FUNDAMENTAL
FREQUENCY
1.0 TO 1.5 1.5 TO 2.0 2.0 TO 3.0
45 HZ to 5 kHz
20 Hz to 45 Hz
0.05
0.2
0.15
0.7
0.3
1.5
Operating Characteristics
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
RESOLUTION
RANGE FULL SCALE
5½ DIGITS
5½ DIGITS 4½ DIGITS
1
CURRENT
THROUGH UNKNOWN
20Ω
2
19.999Ω 0.1 mΩ 1 mΩ 1 mA
200Ω 199.999Ω 1 mΩ 10 mΩ 1 mA
2 kΩ 1.99999 kΩ 10 mΩ 100 mΩ 1 mA
20 kΩ 19.9999 kΩ 100 mΩ 1Ω 100 µA
200 kΩ 199.999 kΩ 1Ω 10Ω 10 µA
2000 kΩ 1999.99 kΩ 10Ω 100Ω 5 µA
20 MΩ 19.9999 MΩ 100Ω 1 kΩ 0.5 µA
1. 4½ digits at the fastest reading rate.
2. Four-wire ohms only.