KEYSIGHT N2821A 高灵敏度、高动态范围电流探头 (1 Channel)

Bandwidth (–3 dB)

Zoom-out channel: DC to 3 MHz

Zoom-in channel: DC to 500 kHz

Minimum measurable current

250 μA (with N2822A 20 mΩ, 500 mW)

50 μA (with N2824A 100 mΩ, 500 mW)

5 mA (with N2825A user-defined 1 mΩ, 500 mW)

100 nA (with N2825A user-defined 1 kΩ, 500 mW)

Maximum measurable current

5 A (with N2822A 20 mΩ, 500 mW)

2.2 A (with N2824A 100 mΩ, 500 mW)

5 A (with N2825A user-defined 1 mΩ installed, 500 mW)

1.2 mA (with N2825A user-defined 1 kΩ installed, 500 mW)

120 A (with N2825A user-defined 1.5 mΩ installed, 20 W)

Output voltage rate

Zoom-in channel:

6 V/A (with N2822A 20 mΩ)

30 V/A (with N2824A 100 mΩ)

Zoom-out channel:

0.04 V/A (with N2822A 20 mΩ)

0.2 V/A (with N2824A 100 mΩ)

Max input voltage: ± 12 V

Dynamic range

 20,000:1, 86 dB (N2820A)

1,000:1, 60 dB (N2821A)

Cable lengths

Sensor leads: 16 cm

Probe cable: 1.2 m