16
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
Accuracy
Range
Accuracy
Range
Accuracy
100 mV/A
(50 mA to 10 A peak)
3% of reading ±50 mA
10 mV/A
(500-mA to 40 A peak)
4% of reading ±50 mA
10 mV/A
(40 A to 100 A peak)
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
working
voltage
600 Vrms max.
Maximum
common
mode voltage
600 Vrms max.
Infl uence
of adjacent
conductor
< 0.2 mA/A AC
Infl uence of
conductor
position
0.5% of reading at 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
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 fi eld
<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 (1147A)
Risetime 7 ns or less
Maximum
current
(continuous)
15 A peak (ac+dc
components) RMS
Maximum
peak current
30 A peak;
Non-continuous
50 A peak; at pulse
width of 10 µs or less
Output
voltage rate
0.1 V/A
Amplitude
accuracy
±1% rdg, ±1 mV (dc
and 45 to 66 Hz, rated
current)
Noise Equivalent to 2.5 mArms
or less (for 20 MHz
bandwidth measuring
instrument)
Temperature
coeffi cient
for sensitivity
±2% or less (within a
range of 0 °C to 40 °C
or 32 °F to 104 °F)
Effect of
external
magnetic
fi elds
Equivalent to a
maximum of 20 mA (in
a dc to 60 Hz, 400 A/m
magnetic fi eld)
Maximum
rated power
3 VA (with rated
current)
Rated supply
voltage
dc ±12 V ±1 V
Diameter of
measurable
conductors
5 mm dia. (0.2” dia.)
Probe
interface
AutoProbe interface
Cable
lengths
Sensor cable:
Appox. 1.5 m (59.0”)
Power supply cable:
Appox. 1 m (39.4”)
Maximum
number
of probes
supported
2
Note: The above specifi cations 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
(continuous)
500 A (N2780A)
150 A (N2781A)
30 A (N2782A/N2783A)
Maximum
peak current
(non-
continuous)
700 A peak (N2780A)
300 A peak (N2781A)
50 A peak
(N2782A/N2783A)
Output
voltage rate
0.01 V/A
(N2780A/N2781A)
0.1 V/A
(N2782A/N2783A)
Amplitude
accuracy
±1.0 % rdg ±500 mA
(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.
* Characteristics marked with asterisks are
specifi ed performance. Others are typical
characteristics.
(10 pagine)
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