Datasheet

Page 26
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Characteristics of the 1147B/N2893A/N7026A current probes
1147B/N2893A N7026A
Bandwidth (–3 dB) DC to 50 MHz (1147B) DC to 150 MHz
DC to 100 MHz (N2893A)
Rise time (calculated, 10% to 90%) 7 nsec (Tr = 0.35/BW) 2.67 nsec (Tr = 0.4/BW)
Maximum current (continuous) 15 Apeak, 15 ADC, 10 Arms 30 ADC, 30 Arms (with external power adapter)
30 Apeak, 30 ADC, 24 Arms (when one
probe is used with InfiniiVision 3000XT,
5000/6000/7000 scope)
5 ADC, 5 Arms (without external power adapter)
Maximum peak current (non-continuous) (for
pulse-widths ≤ 10 µs)
30 Apeak 40 Apeak (when using external AC power adapter)
32 Apeak (when one probe is used with
InfiniiVision 3000XT, 5000/6000/7000 scope)
15 Apeak (without using external power adapter)
Output voltage rate 0.1 V/A 1 V/A and 0.2 V/A, automatically switched by the
oscilloscope
Minimum oscilloscope vertical scale 10 mA/div 1 mA/div
Amplitude accuracy ± 1% rdg, ± 10 mA (DC or 45 to 66 Hz, rated
current)
± 1% rdg. ± 5 mA to 30 Arms (including calibration
scale factor of oscilloscope measured at DC or 45
to 66 Hz)
Noise ≤ 2.5 mArms (for 20 MHz bandwidth measuring
instrument)
≤ 250 µArms (for 20 MHz bandwidth measuring
instrument)
Temperature coefficient for sensitivity ± 2% or less (within a range of 0 to 40 °C or 32 to 104 °F)
Effect of external magnetic fields Equivalent to a maximum of 20 mA (in a DC to 60 Hz, 400 A/m magnetic field)
Maximum rated power 3 VA (with rated current)
Maximum input voltage 300 V mains isolated
Diameter of measurable conductors 5 mm dia. (0.2 in dia.)
Probe interface AutoProbe interface (1 MΩ terminated)
Cable lengths Appox. 1.5 m (59.0 in)
Maximum number of probes supported 2 (3000XT, 5000/6000/7000) 2 (3000XT, 5000/6000/7000 without external
power adapter)
4 (4000X, 6000X) 4 (3000XT, 5000/6000/7000 with external power
adapter)
4 (4000X, 6000X)
Clamp-on Current Probes (Continued)