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Table 6 Accuracy specifications of MU58A digital multimeter

From: Low-cost virtual instrumentation of PV panel characteristics using Excel and Arduino in comparison with traditional instrumentation

Measurement MU58A digital multimeter Accuracy specifications
Range Resolution Accuracy
DC voltage (input impedance ≥ 10 MΩ) 20 V 10 mV ±(0.5%+1)
200 V 100 mV  
DC current 200 mA 0.1 mA ±(1.5%+1)
20 A 10 mA ±(2%+5)
  1. Accuracy: ± (a % reading + b digits)
  2. Operating temperature: 18–28 °C