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Specifications & Characteristics
CT4447 Series High-Voltage Differential Probes User Manual
The probe and oscilloscope should be warmed up for at least 20 minutes before any testing and the
environmental conditions should not exceed the probe's specified limits.
NOTE
All entries included in the following tables are characteristics unless otherwise stated.
Toutes les entrées incluses dans les tableaux suivants sont des caractéristiques, sauf
REMARQUE
indication contraire.
Table 3
Safety Specifications
Parameter
IEC/EN 61010-031:2015
Table 4
Electrical Specifications (Not Warranted)
Parameter
Bandwidth (-3 dB)
Gain Accuracy
Attenuation Ratio
Rise Time
Absolute Maximum Rated Input
Voltage (each side to ground)
Maximum Differential Input
Voltage (DC + Peak AC)
Maximum Common Mode Input
Voltage (DC + Peak AC)
Input Impedance
Output Voltage
Offset (typical)
Noise (typical)
CMRR (typical)
Power Requirements
Mains Adapter (N.A. Plugs)
Condition
Measurement Category III
CT4447-1
30 MHz
±2%
10x / 100x
14 ns
1000 V CAT III
±70 V at 10x
±700 V at 100x
±70 V at 10x
±700 V at 100x
5 MΩ, 2 pF (each side to
ground)
±7 V (driving 1 MΩ load)
±20 mV
0.7 mVrms
50 Hz: -72 dB
20 kHz: -66 dB
200 kHz: -56 dB
4 x AA batteries or
USB-C cable
Input:100-240 V AC, 0.35 A
Output: 5 V DC, 1 A
CT4447-2
30 MHz
±2%
20x / 200x
14 ns
1000 V CAT III
±140 V at 20x
±1400 V at 200x
±140 V at 20x
±1400 V at 200x
5 MΩ, 2 pF (each side to
ground)
±7 V (driving 1 MΩ load)
±20 mV
0.7 mVrms
50 Hz: -72 dB
20 kHz: -66 dB
200 kHz: -56 dB
4 x AA batteries or
USB-C cable
Input:100-240 V AC, 0.35 A
Output: 5 V DC, 1 A
17
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