8
Current Probes
• Choice of dc-100 kHz and
dc-50 MHz bandwidth
• Hybrid technology to measure
ac and dc
• Compatible with any 1 MΩ
scope input
Accurate current measurements
without breaking the circuit
Compatible with any scope or
voltage measuring instruments
with BNC input, the 1146A and
N2774A offer accurate and reli-
able solutions for measuring dc
and ac currents. The probes use a
hybrid technology that includes a
Hall effect sensor, which senses
the dc current and a current
transformer, which senses the ac
current, making it unnecessary to
make an electrical connection to
the circuit.
N2774A 50 MHz current probe and
N2775A power supply
1146A 100 kHz Current Probe
The 1146A ac/dc current probe
provides accurate display and
measurement of currents from
100 mA to 100 Arms, dc to
100 kHz, without breaking into
the circuit. A battery level indica-
tor and overload indicator help
ensure proper readings. It con-
nects directly to the scope
through a 2 m coaxial cable with
an insulated BNC.
N2774A 50 MHz Current Probe
The N2774A is a high bandwidth,
active current probe, featuring
flat bandwidth (dc-50 MHz), low
noise (<2.5 mArms) and low cir-
cuit insertion loss. In conjunction
with the power supply (model
N2775A), this probe can be used
with any oscilloscope having a
BNC input. The companion power
supply N2775A (2x 12 Vdc
output) lets you connect two
N2774As to a single power supply.
1146A 100 kHz current probe
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