Справочник Пользователя для Fluke 2640A
Specifications
2645A Specifications
A
A-25
2645A Frequency Measurement Specifications
A-28.
Tables A-37 to A-38 provide 2645A specifications for the frequency measurement
function.
function.
Table A-37. 2645A Frequency Accuracy Specifications
Frequency Measurement Accuracy, 1 Year, -10
º
C to 60
º
C
Range
Resolution
Accuracy + (% input + Hz)
Slow
Fast
Slow
Fast
15 Hz to 900 Hz
0.01 Hz
0.1 Hz
0.05%+0.02 Hz
0.05%+0.2 Hz
900 Hz to 9 kHz
0.1 Hz
1 Hz
0.05%+0.1 Hz
0.05%+1 Hz
9 kHz to 90 kHz
1 Hz
10 Hz
0.05%+1 Hz
0.05%+10 Hz
90 kHz to 900 kHz
10 Hz
100 Hz
0.05%+10 Hz
0.05%+100 Hz
1 MHz
100 Hz
1 kHz
0.05%+100 Hz
0.05%+1 kHz
Table A-38. 2645A Frequency Sensitivity Specifications
Frequency Measurement Sensitivity (Sine Wave)
Frequency Range
Minimum Signal
Maximum Signal
15 Hz to 70 kHz
100 mV rms
30V rms
70 kHz to 100 kHz
100 mV rms
20V rms
100 kHz to 200 kHz
150 mV rms
10V rms
200 kHz to 300 kHz
150 mV rms
7V rms
300 kHz to 1 MHz
Linearly increasing from 150V
ms at 300 kHz to 2V rms at 1
MHz
ms at 300 kHz to 2V rms at 1
MHz
Linearly decreasing from 7V
rms at 300 kHz to 2V rms at 1
MHz
rms at 300 kHz to 2V rms at 1
MHz