Ac Voltage Measurement - Fluke 744 User Manual

744
Users Manual

AC Voltage Measurement

Frequency Range
20 Hz to 40 Hz
40 Hz to 500 Hz
500 Hz to 1 kHz
1 kHz to 5 kHz
Ranges : 1.1000 V, 11.000 V, 110.00 V, 300.0 V rms
Resolution: 11.000 counts in all ranges except 300 V; 3,000 counts on 300 V range.
Input Impedance: 5 M
Temperature Coefficient: 10% of specification/ C in the ranges -10 to 18 C and 28 to 50 C
Input Coupling: ac
Maximum Input Voltage: 300 V rms
Minimum Input Voltage: 0.5 V above 1 kHz
Specifications apply for 10% to 100% of voltage range.
106
and <100 pF
% of Reading + Number of Counts
1 Year
2% + 10
0.5% + 5
2% + 10
10% + 20
2 Year
2% + 10
0.5% + 5
2% + 10
10% + 20