Specifications
17
Characteristics of the 1146B
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 V
Range 100 mV/A: 3 mV
Insertion
impedance
0.01 (50/60 Hz)
Maximum
working
voltage
600 Vrms CAT II or
300 Vrms CAT III
Maximum
common
mode voltage
600 Vrms CAT II or
300 Vrms CAT III
Influence
of adjacent
conductor
< 0.2 mA/A AC
Influence of
conductor
position
0.5% of reading at 1 kHz
in jaw
Battery 9 V alkaline (NEDA
1604A, IEC 6LR61)
Low battery Green LED on when
≤ 6.5 V
Battery life 55 hours typical
Note: Reference conditions 23 ±5 °C,
(73.4 ±41 °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 M/100 pF load, conductor
centered in jaw.
Characteristics of the 1147B/N2893A
current probe
Bandwidth
(–3 dB)
dc to 50 MHz (1147B)
dc to 100 MHz (N2893A)
Risetime 7 ns or less
Maximum
current
(continuous)
15 A peak, 15 A DC,
10 Arms (when two
probes are used with
InfiniiVision scope)
30A peak, 30 A DC,
24 Arms (when one
probe is used with
InfiniiVision scope)
Maximum
peak current
(non-
continuous)
30 A peak (when two
probes are used with
InfiniiVision scope)
32 A peak (when one
probe is used with
InfiniiVision scope)
Output
voltage rate
0.1 V/A
Amplitude
accuracy
±1% rdg, ±10 mA (dc
and 45 to 66 Hz, rated
current)
Noise Equivalent to 2.5 mArms
or less (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 CAT I
Diameter of
measurable
conductors
5 mm dia. (0.2 in dia.)
Probe
interface
AutoProbe interface
Cable
lengths
Sensor cable:
Appox. 1.5 m (59.0n in)
Power supply cable:
Appox. 1 m (39.4 in)
Maximum
number
of probes
supported
2
Note: The above specifications are
guaranteed at 23 ±3 °C (or 73 ±5 °F)
Clamp-on Current Probes (continued)
Characteristics of N2780B Series
current probes
Bandwidth
(–3 dB)
dc to 2 MHz (N2780B)
dc to 10 MHz (N2781B)
dc to 50 MHz (N2782B)
dc to 80 MHz (N2783L)
dc to 100 MHz (N2783A)
Maximum
current
(continuous)
500 A (N2780B)
150 A (N2781B)
30 A (N2782B/83B/83L)
Maximum
peak current
(non-
continuous)
700 A peak (N2780B)
300 A peak (N2781B)
50 A peak
(N2782B/83B/83L)
Maximum
input voltage
300 V CAT I
(N2782B/83B/83L)
300 V CAT III, 600 V
CAT II (N2780B/81B)
Output
voltage rate
0.01 V/A
(N2780B/81B)
0.1 V/A
(N2782B/83B/83L)
Amplitude
accuracy
±1.0 % rdg ±500 mA
(N2780B)
±1.0 % rdg ±100 mA
(N2781B)
±1.0 % rdg ±10 mA
(N2782B)
±1.0 % rdg ±10 mA
(N2783B/83L)
Ordering information for Agilent
current probes
1146B 100-kHz current probe
1147B 50-MHz current probe with
AutoProbe interface
N2893A 100-MHz current probe with
AutoProbe interface
N2780B 2-MHz current probe
N2781B 10-MHz current probe
N2782B 50-MHz current probe
N2783L 80-MHz current probe with
5 m long cable
N2783B 100-MHz current probe
N2779A 3-channel power supply for
N2780B/81B/82B/83B/83L
For more information about the
N2780B Series current probes, refer
to the Agilent N2780B Series current
probe data sheet, literature number
5989-6432EN.
* Characteristics marked with asterisks are
specified performance. Others are typical
characteristics.