Extech Instruments MS420 User Manual page 73

Horizontal
Sampling rate range
Waveform interpolation
Data record length
Scanning speed range（
S/div）
Sampling rate relay time
accuracy
Time interval
( T) measurement
accuracy（full bandwidth）
Vertical
Analog digital converter（A/D
）
Sensitivity range （V/div）
Displacement range
Analog bandwidth
Single bandwidth
Low frequency response
(A/D coupling, -3dB)
Rise time
DC gain accuracy
DC measurement (accuracy
average value sampling mode
）
10S/s～100MS/s
（sin x）/x
6K points for each channel
5ns/div～5s/div, steps in "1-2.5-5" mode
±100ppm (time interval equal to or larger than
1ms)
Single: ± (1 sampling interval time + 100ppm ×
rdg + 0.6ns)
Average 16 : ± (1 sampling interval time
+100ppm×reading+0.4ns)
8 bits resolution (both channels synchronously)
5mV/div～5V/div(for the BNC connector input）
± 10 div (MS420), ±2V(5mV/div ~ 200mV/div)
20MHz
Full bandwidth
≥ 5Hz (BNC connector）
≤17.5ns (MS420)
±5%
The voltage difference between any two points on
the waveform after averaging the captured
waveforms is greater than 16: ± (5% reading +
0.05 divisions)
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