The OSP Series Digital Oscilloscope was designed and produced by high accuracy electronic components and modules. The test accuracy is world high class. It is used for all kinds of electronic products testing.
| LISUN Model | Channel | Width | Sample Rate | Vertical Resolution | Screen Size |
| OSP1102 | Double Channels | 100M | 1G | 8bits | 7Inch |
| OSP3202E | Double Channels | 200M | 1G | 8bits | 8Inch |
| OSP3302 | Double Channels | 300M | 2.5G | 8bits | 8Inch |
| OSP3202A | Double Channels | 200M | 2.5G | 14bits | 8Inch |
| OSP3104E | Four Channels | 100M | 1G | 8bits | 8Inch |
| OSP3104AE | Four Channels | 100M | 1G | 14bits | 8Inch |
| OSP3204E | Four Channels | 200M | 1G | 8bits | 8Inch |
| OSP3204AE | Four Channels | 200M | 1G | 14bits | 8Inch |
P.S. OSP3104ET has the function to measure I²t, and it can be used to calibrate LISUN SBLL-3P20A Test for Switches Intended for Self-ballasted Loads
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