Cal Test Electronics CT3684, Руководство пользователя, Страница: 10 / 16

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Specifications
All specifications apply to the unit after a temperature stabilization time of 20 minutes over an
ambient temperature range of 25 °C ± 5 °C.
Electrical Specifications
CT3684 CT3685
Bandwidth (-3dB) 50 MHz (driving 1 MΩ oscilloscope input)
Rise Time (10%-90%) 7 ns
Attenuation ratio 10x 100x
Accuracy ±1%
CMRR (typical)
-90 dB @ 60 Hz
-55 dB @ 1 MHz
Maximum Differential Input
Voltage
(DC + AC peak)
±70 V ±700 V
Maximum Common Mode Input
Voltage
(DC + AC peak)
±700 V ±1400 V
Absolute Maximum Rated Input
Voltage (each side to ground)
500 Vrms CAT I 1000 Vrms CAT II
Input Impedance
1.6 MΩ // 7 pF (each side to
ground)
4.0 MΩ // 7 pF (each side
to ground)
Output Voltage Swing ±7 V (driving 1 MΩ oscilloscope input)
Offset (typical) ±2 mV ±1 mV
Noise (typical) 0.7 mVrms 0.3 mVrms
Source Impedance 50 kΩ
Power Supply
CT3723 power adapter (included) or
4 AA batteries (optional)
CT4122 USB power lead (optional)
Mechanical Characteristics
Weight 300 g
Dimensions 111 x 22 x 14 mm
BNC Cable Length 125 cm
Input Leads Length 50 cm each