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Product Overview
Whether you're interested in observing and measuring submilliampere currents in a bundle of charged particles or thousands of amperes resulting from a fault in the main power supply, you'll find a current transformer that meets your needs among the offerings from manufacturer Pearson. The use of a patented distributed termination technique allows monitoring pulsed currents with rise times as short as two nanoseconds. Current sensors with larger internal diameters make it possible to measure high voltage current without the risk of breakthrough. Some of our current transformers feature double shielding for enhanced noise immunity and increased safety in high-voltage applications. All models are sealed and suitable for use in high-voltage insulating oil or vacuum. They can be connected to oscilloscopes, spectrum analyzers, power analyzers, digital voltmeters, analog-to-digital converters and many other measuring instruments.
Below is a table with available models and technical specifications.
Models
Model | Shape (Figures under the table) | Output (volts/amp) | Diameter (inches.) | Time domain parameters | Frequency domain parameters | ||||||
| Max. peak current (A) | Decrease (%/msec.) | Usable rise time (nsek.) | Max IT | Max. RMS current (A) | 3 dB pt. Low (Hz) | 3 dB pt. High (MHz) | I/f (peak A/Hz) | ||||
| 2877 | F | 1.0 | 0.25 | 100 | 200 | 2 | 0.0004** | 2.5 | 300 | 200 | 0.0025 |
| 4100 | E | 1.0 | 0.5 | 500 | 90 | 10 | 0.002** | 5 | 140 | 35 | 0.006 |
| 2100 | D | 1.0 | 2.0 | 500 | 80 | 20 | 0.005** | 7.5 | 125 | 20 | 0.017 |
| 6585 | K | 1.0 | 2.0 | 500 | 300 | 1.5 | 0.002** | 10 | 400 | 250 | 0.008 |
| 6656 | J | 1.0 | 3.5 | 500 | 140 | 3.5 | 0.01** | 10 | 200 | 120 | 0.04 |
| 3100* | C | 1.0 | 3.5 | 500 | 40 | 50 | 0.03** | 12 | 40 | 7 | 0.1 |
| 150 | D | 0.5 | 2.0 | 1.000 | 20 | 20 | 0.02** | 15 | 40 | 20 | 0.07 |
| 6595 | K | 0.5 | 2.0 | 1.000 | 100 | 2.5 | 0.008** | 20 | 100 | 200 | 0.03 |
| 325* | C | 0.25 | 3.5 | 2.000 | 100 | 30 | 0.09 | 60 | 160 | 10 | 0.6 |
| 2878 | F | 0.1 | 0.25 | 400 | 20 | 5 | 0.004** | 10 | 30 | 70 | 0.025 |
| 410 | E | 0.1 | 0.5 | 5.000 | 60 | 20 | 0.25 | 50 | 120 | 20 | 1.7 |
| 411 | E | 0.1 | 0.5 | 5.000 | 0.9 | 20 | 0.2** | 50 | 1 | 20 | 0.6 |
| 3972 | I | 0.1 | 1.0 | 5000 | 1 | 20 | 0.2 | 50 | 1 | 20 | 0.6 |
| 110 | D | 0.1 | 2.0 | 5.000 | 0.8 | 20 | 0.5** | 65 | 1 | 20 | 1.5 |
| 110A# | D | 0.1 | 2.0 | 10.000 | 0.8 | 20 | 0.5** | 65 | 1 | 20 | 1.5 |
| 6600 | K | 0.1 | 2.0 | 2.000 | 15 | 5 | 0.04** | 40 | 25 | 120 | 0.12 |
| 310* | C | 0.1 | 3.5 | 5.000 | 20 | 40 | 0.6 | 140 | 40 | 10 | 3.6 |
| 1010* | A | 0.1 | 10.75 | 5.000 | 250 | 50 | 0.7** | 120 | 400 | 7 | 4.4 |
| 1025 | D | 0.025 | 2.0 | 20.000 | 100 | 100 | 0.5 | 100 | 160 | 4 | 3.0 |
| 3025* | C | 0.025 | 3.5 | 20.000 | 4 | 100 | 3.0 | 325 | 7 | 4 | 20 |
| 2879 | F | 0.1 | 0.25 | 2.000 | 2 | 20 | 0.04** | 25 | 3 | 20 | 0.25 |
| 5046 | E | 0.1 | 0.5 | 25.000 | 0.3 | 20 | 0.5** | 100 | 0.5 | 20 | 3.0 |
| 101 | D | 0.1 | 2.0 | 50.000 | 0.1 | 100 | 2.5** | 200 | 0.25 | 4 | 12.0 |
| 4997 | D | 0.1 | 2.0 | 20.000 | 0.3 | 25 | 1.0** | 150 | 0.5 | 15 | 3.5 |
| 301X* | C | 0.1 | 3.5 | 50.000 | 3 | 200 | 22 | 400 | 5 | 2 | 140.0 |
| 1080*# | C | 0.005 | 3.5 | 200.000 | 2.0 | 250 | 25 | 750 | 3.0 | 1.5 | 150 |
| 1330* | C | 0.005 | 3.5 | 100.000 | 1.0 | 250 | 65 | 1400 | 0.9 | 1.5 | 400 |
| 4418 | D | 0.001 | 2.0 | 200.000 | 0.05 | 200 | 6.0** | 400 | 0.7 | 2 | 40 |
| 1423* | C | 0.001 | 3.5 | 500.000 | 0.7 | 500 | 75 | 2500 | 1.0 | 1.2 | 450 |
| 2093* | B | 0.001 | 4.75 | 500.000 | 0.09 | 2000 | 1200 | 2500 | 0.15 | 0.2 | 7500 |
_______________________________________________________________________________________________________
Accuracy +1%, -0% of the initial pulse amplitude for all models, with a large impedance load such as 1 MOHM in parallel with 20 pF. 50 OHM termination will reduce the output to half.
* double shielding and recommended for high voltage or high noise environments.
** may require a small DC current through the secondary for maximum current duration.
# N-type connector
