13
Characteristics of the 1146A
current probe
Bandwidth* dc to 100 kHz (–3 dB)
Current Range* 100 mV/A:100 mA to
10 A peak
10 mV/A:1 to 100 A peak
Output Signal 1000 mV peak max
AC Current Accuracy*
Range: 100 mV/A (50 mA to
10 A peak)
Accuracy: 3% of reading ±50 mA
Range: 10 mV/A (500 mA to
40 A peak)
Accuracy: 4% of reading ±50 mA
Range: 10 mV/A (40 A to
100 A peak)
Accuracy: 15% max at 100 A
Noise Range 10 mV/A: 480 µV
Range 100 mV/A: 3 mV
Insertion Impedance (50/60 Hz) 0.01 Ω
Maximum 600 Vrms max.
Working Voltage
Maximum Common 600 Vrms max.
Mode Voltage
Influence of < 0.2 mA/A AC
Adjacent Conductor
Influence of 0.5% of reading at
Conductor Position 1 kHz in jaw
Battery 9 V alkaline (NEDA 1604A,
IEC 6LR61)
Low Battery Green LED when > 6.5 V
Battery Life 55 hours typical
* Characteristics marked with asterisks are specified
performance. Others are typical characteristics.
Note: Reference conditions 23°C ± 5°C, 20 to 75% relative humidity, dc to 1 kHz, probe zeroed, 1-minute
warmup, batteries at 9 V + 0.1 V, external magnetic field
<40 A/m, no dc component, no external current carrying
conductor, 1 MΩ/ 100 pF load, conductor centered in jaw.
Characteristics of the 1147A
current probe
Bandwidth (–3 dB) dc to 50 MHz
Risetime 7 ns or less
Maximum Current 15 A peak (ac+dc
(Continuous) components) RMS
Maximum Peak 30 A peak;
Current Non-continuous
50 A peak;
at pulse width of
10 µs or less
Output Voltage Rate 0.1 V/A
Amplitude ±1% rdg, ±1 mV (dc and
Accuracy 45 to 66 Hz, rated current)
Noise Equivalent to 2.5 mArms or
less (for 20 MHz bandwidth
measuring instrument)
Temperature ±2% or less (within a
Coefficient range of 0 °C to 40 °C or
for Sensitivity 32 °F to 104 °F)
Effect of External Equivalent to a maximum
Magnetic Fields of 20 mA (in a dc to 60 Hz,
400 A/m magnetic field)
Maximum 3 VA (with rated current)
Rated Power
Rated Supply Voltage dc ±12 V ±1 V
Diameter of 5 mm dia. (0.2” dia.)
Measurable
Conductors
Probe Interface BNC (N2774A)
AutoProbe interface
(1147A)
Cable Lengths Sensor cable:
Appox. 1.5 m (59.0”)
Power supply cable:
Appox. 1 m (39.4”)
Maximum Number 2 (1147A)
of Probes Supported
Note: The above specifications are guaranteed at
23 °C ± 3 °C (or 73 °F ± 5 °F)
Current Probes (continued)
Characteristics of N2780A Series
current probes
Bandwidth (–3dB) dc to 2 MHz (N2780A)
dc to 10 MHz (N2781A)
dc to 50 MHz (N2782A)
dc to 100 MHz (N2783A)
Maximum Current 500 A (N2780A)
(Continuous) 150 A (N2781A)
30 A (N2782A/N2783A)
Maximum Peak 700 A peak (N2780A)
Current 300 A peak (N2781A)
(Non-continuous) 50 A peak
(N2782A/N2783A)
Output Voltage 0.01 V/A (N2780A/N2781A)
Rate 0.1 V/A (N2782A/N2783A)
Amplitude ±1.0 % rdg ±500 mA
Accuracy (N2780A)
±1.0 % rdg ±100 mA
(N2781A)
±1.0 % rdg ±10 mA
(N2782A)
±1.0 % rdg ±10 mA
(N2783A)
Ordering information for Agilent
current probes
1146A 100 kHz current probe
1147A 50 MHz current probe
with AutoProbe interface
N2780A 2 MHz current probe
N2781A 10 MHz current probe
N2782A 50 MHz current probe
N2783A 100 MHz current probe .
N2779A 3-channel power supply .
for N2780A/81A/82A/83A
For more information about the
N2780A Series current probes,
refer to the Agilent N2780A
Series current probe data sheet,
Agilent literature number
5989-6432EN.