Agilent Technologies U1253B User Manual download pdf (Page 8)

U1251B Frequency Sensitivity During Voltage Measurement

Frequency Sensitivity And Trigger Level

Input Range Minimum Sensitivity

(R.M.S. Sine Wave)

Trigger Level For Dc Coupling

(Maximum input for specied

accuracy = 10 x Range or 1000 V)

20 Hz - 100 kHz >100 kHz ~ 200 kHz < 100 kHz >100 kHz ~ 200 kHz

50.000 mV 10 mV 15 mV 10 mV 15 mV

500.00 mV 25 mV 35 mV 60 mV 70 mV

1000.0 mV 40 mV 50 mV 100 mV 150 mV

5.0000 V 0.25 V 0.5 V 0.5 V / 1.25 V (< 100 Hz) 0.6 V

50.000 V 2.5 V 5 V 5 V 6 V

500.00 V 25 V N/A 50 V N/A

1000.0 V 50 V N/A 300 V N/A

U1252B/U1253B Frequency Sensitivity During Voltage Measurement

Frequency Sensitivity And Trigger Level

Input Range Minimum Sensitivity

(R.M.S. Sine Wave)

Trigger Level For Dc Coupling

(Maximum input for specied

accuracy = 10 x Range or 1000 V)

20 Hz ~ 200 kHz >200 kHz ~ 500 kHz < 100 kHz >100 kHz ~ 500 kHz

50.000 mV 10 mV 25 mV 10 mV 25 mV

500.00 mV 70 mV 150 mV 70 mV 150 mV

1000.0 mV 120 mV 300 mV 120 mV 300 mV

5.0000 V 0.3 V 1.2 V 0.6 V 1.5 V

50.000 V 3 V 5 V 6 V 15 V

500.00 V 30 V < 100 kHz N/A 60 V N/A

1000.0 V 50 V < 100 kHz N/A 120 V N/A

[1] Input impedance: Refer to Table A on page 9.

[2] Crest factor ≤ 3.0 at full scale, 5.0 at half scale except the 1000 mV and 1000

V ranges where it is 1.5 at full scale, 3.0 at half scale. For non-sinusoidal

waveform, add 0.1% of reading ± 0.3% of range.

[3] The additional error to be added as frequency >20 kHz and signal input

<10% of range: 3 counts of LSD per kHz.

[4] The additional error to be added as frequency >15 kHz and signal input

<10% of range: 3 counts of LSD per kHz.

[6] Input current >35 µArms.

[7] Current can be measured from 2.5 A up to 10 A continuously. An additional

0.5% needs to be added to the speciﬁed accuracy if the signal measured is in

the range of 10 A ~ 20 A for 30 seconds maximum. After measuring a current

of >10 A, leave the meter to cool down for twice the measuring time used

before application of low current measurement.

[8] Input current < 3 Arms.

[9] For non-square wave signals, add 5 counts.

[10] AC voltage and AC current speciﬁcations are true RMS AC coupled, valid

from 5% to 100% of range.

Frequency Sensitivity During Current Measurement

Input Range Minimum Sensitivity (R.m.s. Sine Wave)

20 Hz ~ 20 Khz

500.00 µA 100 µA

5000.0 µA 250 µA

50.000 mA 10 mA

440.00 mA 25 mA

5.0000 A 1 A

10.000 A 2.5 A

Frequency Specications

[5]

Range Resolution Accuracy Min. Input Frequency

U1251B/2B U1253B

99.999 Hz 0.001 Hz 0.02%+3

[9]

0.02%+3

[9]

1 Hz

999.99 Hz 0.01 Hz 0.02%+3, <600 kHz 0.02%+3, <600 kHz

9.9999 kHz 0.0001 kHz

99.999 kHz 0.001 kHz

999.99 kHz 0.01 kHz

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Agilent Technologies U1253B User Manual Page 8

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