Fluke 744 - AC Voltage Measurement

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Users Manual
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AC Voltage Measurement
Frequency Range % 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 : 1.1000 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 Ω 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: 0.5 V above 1 kHz
Specifications apply for 10% to 100% of voltage range.