User Manual

Input
Input coupling
DC, AC, Ground
Input impedance
1 MΩ ± 2% in parallel with 10 pF ± 5 pF
Probe attenuation factor
1X, 10X, 100X, 1000X
Max. input voltage
P 1280
USB: 40 V (PK-PK)
(DC + AC PK-PK)
LAN: 400 V (PK-PK)
(DC + AC PK-PK)
P 1285
P 1290
400 V (PK-PK)
(DC + AC PK-PK)
Channel –
channel isolation
50 Hz: 100 : 1
10 MHz : 40 : 1
Time delay between
channel (typical)
150 ps
Horizontal
System
Sampling rate range
P 1280
Dual CH
0.5 Sa/s ~ 250 MSa/s
Single CH
0.5 Sa/s ~ 500 MSa/s
P 1285
Dual CH
0.5 Sa/s ~ 500 MSa/s
Single CH
0.5 Sa/s ~ 1 GSa/s
P 1290
Dual CH
0.5 Sa/s ~ 100 MSa/s
Single CH
0.5 Sa/s ~ 100 MSa/s
Interpolation
(sin x)/x
Max Record length
P 1280
Dual CH
≤ Max.
sampling
rate
10 M
Single CH
P 1285
Dual CH
≤ Max.
sampling
rate
10 M
Single CH
P 1290
Dual CH
≤ Max.
sampling
rate
5 K
Single CH
Scanning speed (Sa/div)
P 1280
5 ns/div ~ 100 s/div,
step by 1 ~ 2 ~ 5
P 1285
2 ns/div ~ 100 s/div,
step by 1 ~ 2 ~ 5
P 1290
5 ns/div ~ 100 s/div,
step by 1 ~ 2 ~ 5
Sampling rate / relay time
accuracy
± 100 ppm
Interval (△ T) Accuracy
(DC ~ 100 MHz)
Single:
± (1 interval time + 100 ppm x reading + 0.6 ns);
Average > 16:
± (1 interval time + 100 ppm x reading + 0.4 ns)
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