Fluke 741B - AC Voltage Measurement

741B/743B
Users Manual
104
AC Voltage Measurement
Frequency Range
Models 741B and 743B
% of Reading + Number of Counts
1 Year 2 Year
20 Hz to 40 Hz 2% + 10 2% + 10
40 Hz to 500 Hz 0.5% + 5 0.5% + 5
500 Hz to 1 kHz 2% + 10 2% + 10
1 kHz to 5 kHz 10% + 20 10% + 20
Ranges : 1.1000V, 11.000V, 110.00V, 300.0V rms
Resolution: 11.000 counts in all ranges except 300V; 3,000 counts on 300V range.
Input Impedance: 5 MΩ and <100 pF
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: 0.5V above 1 kHz
Specifications apply for 10% to 100% of voltage range.