SP21 is a multi-function multimeter with the following features:
1. Wide measurement range, can measure AC/DC voltage, AC/DC current, resistance, capacitance, diode, transistor, etc.
2. High accuracy, basic accuracy is 0.5%.
3. High resolution, voltage measurement resolution is 0.1mV, current measurement resolution is 0.1μA.
4. With data hold function, convenient for users to read measurement results.
5. With automatic shutdown function, save battery power.