CWT series
  • CWT series

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Manufacturer: PEM

CWT series

The CWT is ideal for power electronics development work because it combines an easy to
use thin, flexible, clip-around coil with an ability to accurately replicate fast switching current waveforms be they sinusoidal, quasi-sinusoidal or pulsed.

Technical data
Measure range
Output signal
Bandwidth
Accuracy
Linearity
Coil section

Coil operating temperature
Supplier operating temperature
Output
Minimal output load

300mA do 300kA
± 6V
0.1Hz do 16MHz
± 1%
± 0.05%
8.5 mm

-20°C...+100°C
0°C...+40°C
BNC
100kW


Type Sensitivity [mV/A] Peak
current [kA]		 Peak
di/dt[kA/μs]		 Noise
max[mVpk-pk]		 Droop [%/ms] LF (3dB)
bandwidth
[Hz]		 Phase lead
at 50Hz [o]		 HF (3dB) bandwidth
300[mm] 700[mm]
igh Sensitivity Ranges of CWT ... measuring currents from 300mA
CWT015 200 0.03 0.2 6.5 130 150 2.0@ 6kHz 6 4
CWT03 100 0.06 0.4 4.5 90 105 2.0@ 4kHz 10 6.5
CWT06 50 0.12 0.8 3.0 70 80 2.0@ 3kHz 16 10
CWT1 20 0.3 2.0 2.5 40 50 1.9@ 2kHz 16 10
CWT1N 20 0.3 2.0 2.0 20 25 1.9@ 1kHz 10 5
CWT3 10 0.6 4.0 8.0 3.0 3.5 1.0@ 300Hz 16 10
Standard Ranges of CWT ... measuring currents from 15A
CWT3N 10 0.6 4.0 14.0 0.9 1.0 1.7 10 5
CWT6 5.0 1.2 8.0 14.0 0.9 1.0 1.7 16 10
CWT15 2.0 3.0 20.0 7.0 0.7 0.8 1.3 16 10
CWT30 1.0 6.0 40.0 5.0 0.5 0.6 0.9 16 10
CWT60 0.5 12.0 40.0 3.5 0.35 0.4 0.6 16 10
CWT150 0.2 30.0 40.0 3.0 0.2 0.2 0.3 16 10
CWT300 0.1 60.0 40.0 3.0 0.1 0.1 0.2 16 10
CWT600 0.05 120.0 40.0 3.0 0.06 0.05 0.1 16 10
CWT1500 0.02 300.0 40.0 3.0 0.035 0.03 0.06 16 10
Catalogue number
CWT series
Type:
* see above table
Coil Circumference
300 - 300 mm
500 - 500 mm
700 - 700 mm
1000 - 1000 mm
POWER SUPPLY
B - Battery 4 x AA (1.5V standard alkali batteries)
R - Rechargeable battery 4 x AA (rechargeable NiMH batteries)
CABLE LENGTH
2,5 - 2,5m
4 - 4m
Less
Read more

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The CWT is ideal for power electronics development work because it combines an easy to
use thin, flexible, clip-around coil with an ability to accurately replicate fast switching current waveforms be they sinusoidal, quasi-sinusoidal or pulsed.

Technical data
Measure range
Output signal
Bandwidth
Accuracy
Linearity
Coil section

Coil operating temperature
Supplier operating temperature
Output
Minimal output load

300mA do 300kA
± 6V
0.1Hz do 16MHz
± 1%
± 0.05%
8.5 mm

-20°C...+100°C
0°C...+40°C
BNC
100kW


Type Sensitivity [mV/A] Peak
current [kA]		 Peak
di/dt[kA/μs]		 Noise
max[mVpk-pk]		 Droop [%/ms] LF (3dB)
bandwidth
[Hz]		 Phase lead
at 50Hz [o]		 HF (3dB) bandwidth
300[mm] 700[mm]
igh Sensitivity Ranges of CWT ... measuring currents from 300mA
CWT015 200 0.03 0.2 6.5 130 150 2.0@ 6kHz 6 4
CWT03 100 0.06 0.4 4.5 90 105 2.0@ 4kHz 10 6.5
CWT06 50 0.12 0.8 3.0 70 80 2.0@ 3kHz 16 10
CWT1 20 0.3 2.0 2.5 40 50 1.9@ 2kHz 16 10
CWT1N 20 0.3 2.0 2.0 20 25 1.9@ 1kHz 10 5
CWT3 10 0.6 4.0 8.0 3.0 3.5 1.0@ 300Hz 16 10
Standard Ranges of CWT ... measuring currents from 15A
CWT3N 10 0.6 4.0 14.0 0.9 1.0 1.7 10 5
CWT6 5.0 1.2 8.0 14.0 0.9 1.0 1.7 16 10
CWT15 2.0 3.0 20.0 7.0 0.7 0.8 1.3 16 10
CWT30 1.0 6.0 40.0 5.0 0.5 0.6 0.9 16 10
CWT60 0.5 12.0 40.0 3.5 0.35 0.4 0.6 16 10
CWT150 0.2 30.0 40.0 3.0 0.2 0.2 0.3 16 10
CWT300 0.1 60.0 40.0 3.0 0.1 0.1 0.2 16 10
CWT600 0.05 120.0 40.0 3.0 0.06 0.05 0.1 16 10
CWT1500 0.02 300.0 40.0 3.0 0.035 0.03 0.06 16 10
Catalogue number
CWT series
Type:
* see above table
Coil Circumference
300 - 300 mm
500 - 500 mm
700 - 700 mm
1000 - 1000 mm
POWER SUPPLY
B - Battery 4 x AA (1.5V standard alkali batteries)
R - Rechargeable battery 4 x AA (rechargeable NiMH batteries)
CABLE LENGTH
2,5 - 2,5m
4 - 4m
Less
Read more
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