The APPA 105N offers reliable and accurate DCV and DCA measurements, equipped with an RS232 data transmission interface, supporting various measurement functions suitable for complex measurement scenarios. Key features include: - DC voltage measurement range: 400mV~1000V - AC voltage measurement range: 400mV~750V - Resistance measurement range: 400Ω~40MΩ - Current measurement range: 40mA~10A - Capacitance measurement range: 4nF~40mF - Frequency measurement range: 4kHz~400MHz - RPM measurement range: 40kRPM~4000MRPM - 4,000 counts display with a sampling rate of 2 times per second - Waterproof design