Keysight U3606A, Руководство пользователя и сервисное руководство

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8 Characteristics and Specifications
Digital Multimeter Specifications
248 U3606A User’s and Service Guide
Frequency specifications
Table 8-3 Frequency accuracy specifications ± (% of r % of range)
Function Range Frequency range
1 Year
23 ºC ± 5 ºC
Temperature
coefficient
0 ºC to 18 ºC
28 ºC to 55 ºC
Frequency
[1]
Voltage path:
100 mV to 750 V
< 2 Hz 0.18 + 0.003 0.005
< 20 Hz 0.04 + 0.003 0.005
20 Hz to 100 kHz 0.02 + 0.003 0.005
100 kHz to 300 kHz 0.02 + 0.003 0.005
Current path:
10 mA to 3 A
< 2 Hz 0.18 + 0.003 0.005
< 20 Hz 0.04 + 0.003 0.005
20 Hz to 10 kHz 0.02 + 0.003 0.005
[1] For 100 mV and 1 V ranges, the measurable frequency is up to 1 MHz at 0.5 V signal . Minimum input frequency is 1 Hz.
N O T E
All frequency counters are susceptible to errors when measuring low-voltage,
low-frequency signals. Shielding inputs from external noise pickup is critical for
minimizing measurement errors.
Table 8-4 Frequency sensitivity for voltage measurement
Input range
[1]
Minimum sensitivity (rms sine wave)
20 Hz to 100 kHz 100 kHz to 300 kHz 300 kHz to 1 MHz
100 mV 50 mV 50 mV 0.5 V
1.0 V 100 mV 120 mV 0.5 V
10 V 1 V 1.2 V