LeCroy WaveSurfer 400 Series Service Manual page 79

Coupling Volts/div.
20 mV/div
DC 1MΩ
200 mV/div
DC 1MΩ
2 V/div
DC 1MΩ
20 mV/div
AC 1MΩ
20 mV/div
DC 50Ω
200 mV/div
DC 50Ω
2 V/div
DC 50Ω
Ext DC 50Ω
Ext/10 DC 50Ω
Ext DC 1MΩ
Ext/10 DC 1MΩ
Coupling Volts/div.
20 mV/div
DC 1MΩ
200 mV/div
DC 1MΩ
2 V/div
DC 1MΩ
20 mV/div
DC 50Ω
200 mV/div
DC 50Ω
2 V/div
DC 50Ω
Ext DC 50Ω
Ext/10 DC 50Ω
Ext DC 1MΩ
Ext/10 DC 1MΩ
Rev D Sept 2007
Measured Measured
Channel 1 Channel 2
Impedance Impedance
Ω, MΩ Ω, MΩ
Table 2: Impedance Test Record
Measured Measured
Channel 1 Channel 2
Leakage Leakage
mV mV
Table 3: Leakage Voltage Test Record
WaveSurfe r 400 Series Test Record
Measured Measured
Channel 3 Channel 4
Impedance Impedance
Ω, MΩ Ω, MΩ
Measured Measured
Channel 3 Channel 4
Leakage Leakage
mV mV
3 of 10
Measured Lower
External Limit
Impedance
Ω, MΩ Ω, MΩ
0.990 MΩ
0.990 MΩ
0.990 MΩ
1.188 MΩ
49.5 Ω
49.5 Ω
49.5 Ω
49.5 Ω
49.5 Ω
0.990 MΩ
0.990 MΩ
Measured Lower
External Limit
Leakage
mV mV
−1
−1
−1
−0.5
−0.5
−0.5
−0.5
−0.5
−1
−1
Upper
Limit
Ω, MΩ
1.010 MΩ
1.010 MΩ
1.010 MΩ
1.212 MΩ
50.5 Ω
50.5 Ω
50.5 Ω
50.5 Ω
50.5 Ω
1.010 MΩ
1.010 MΩ
Upper
Limit
mV
+1
+1
+1
+0.5
+0.5
+0.5
+0.5
+0.5
+1
+1