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Current Toroid | Current Sensor | Pulse Current Monitor
High Frequency Current Transformer

 

Accuracy ±1% or better, initial pulse response for all models, with a high impedance load such as 1 megOhm in parallel with 20 pF. A 50 Ohm termination will reduce the output to half. All models listed below come with a BNC connector except as noted and are to be used with a 50 Ohm coaxial cable. The current monitor case is conductive and not insulated. Adequate insulation must be provided on the conductor being monitored. To avoid electrical shock, do not mount or remove the current monitor from a live conductor.
 

 



Model #

 


Shape
(click to expand)



Output
(Volts/
Amp)




Hole Id.
(inches)

 

Time Domain Parameters

 

Frequency Domain Parameters


Peak
Curr.

(Amps)



Droop
(%/µsec.)

Useable
Rise
Time

(nsec.)



IT Max.
(Amp-sec.)

Max.
RMS
Curr.

(Amps)

3dB
pt.
Low

(Hz)

3dB
pt.
High

(MHz)

I/f
(RMS
Amps
/Hz)

I2t max
(Amps
squared
 sec)

8585C

N

1.0

0.5

 

500

1.0

2

0.003

 

5

1,500

200

0.01

5

4100C

N

1.0

0.5

 

500

1.0

15

0.0015

 

5

1,500

25

0.008

150

8590C

M

1.0

1.0

 

500

0.7

2.5

0.002

 

5

1,000

150

0.01

25

7790

M

1.0

1.0

 

500

1.0

15

0.002

 

5

1,500

25

0.01

150

4688

L

1.0

2.0

 

500

0.4

12

0.005

 

15

600

30

0.03

150

8705C

-

1.0

2.0

  15 4.0 1 .0006   4 1,500 400 .002 .02
7805

K

1.0

4.0

 

500

0.7

25

0.004

 

15

1,000

25

0.02

150

7760

J

1.0

6.0

 

500

0.5

50

0.005

 

20

750

7.0

0.03

350

5101

L

0.5

2.0

 

1,000

0.1

20

0.02

 

25

150

18

0.08

700

5949†

K

0.5

4.0

 

1,000

0.1

30

0.02

 

30

150

12

0.08

700

411C

N

0.1

0.5

 

5,000

0.015

20

0.15

 

50

25

20

0.7

18,000

7795

M

0.1

1.0

 

5,000

0.015

25

0.15

 

60

25

15

0.8

18,000

3525

L

0.1

2.0

 

5,000

0.004

25

0.5

 

100

6.0

15

2.5

18,000

7810

K

0.1

4.0

 

5,000

0.007

50

0.4

 

150

10

7.0

2.0

18,000

7655

J

0.1

6.0

 

5,000

0.007

100

0.4

 

175

10

4.0

2.0

35,000

5008C

N

0.01

0.5

 

50,000

0.005

150

1.0

 

150

7.5

3.0

4.2

250,000

7800

M

0.01

1.0

 

50,000

0.003

175

0.8

 

125

5.0

2.0

4.0

140,000

4160

L

0.01

2.0

 

50,000

0.001

200

2.5

 

300

1.5

2.0

15.0

1,000,000

7815

K

0.01

4.0

 

50,000

0.001

200

3.0

 

400

1.5

2.0

15.0

2,000,000

7450

J

0.01

6.0

 

50,000

0.001

250

3.0

 

400

1.5

1.5

12

2,000,000

5664

L

0.001

2.0

 

200,000

0.00025

250

8.0

 

500

0.4

1.5

50

1,000,000



  • Accuracy +1%, initial pulse response for all models, with a high impedance load such as 1 megOhm in parallel with 20 pF. A 50 Ohm termination will reduce the output to half.  
  • >Droop:   For a flat top current pulse, the output voltage decays toward zero. Initially, the decay appears linear and the slope is referred to as the droop rate. 
  • Usable Rise Time: If the 10 to 90% rise time is greater than the specified usable rise time, initial overshoot will be less than 10% of the pulse amplitude.
  • =  Type N Connector