Diode testing Voltage approx.: 2.8V Current: 1mA. Overload protection in the diode test mode: 250V RMS AC. Over range: LCD will indicated 1 DC Voltage (DCV) 1000 V AC Voltage (ACV) 750 V DC Current (DCA) 10 A Resistance 2 M Diode test + Specifications Wide operating temperature: 32F to 104F / 0C to 40 Storage temperature: 10F to 122F / -12C to 50C. Relative humidity: 75% 3,5digit LCD, 7 segment, 0.5 high Dimensions: 52.81 in / 126x70x25mm Weight: 6 oz / 170g AC voltage Frequency range: 45Hz to 450Hz.Range / Resolution / Accuracy:200V; 100mV; 1.2 % 10 750V; 1V; 1.2 % 10 DC voltage Range / Resolution / Accuracy200mV; 0.1mV; 0.5 % 2 2000mV; 1mV; 0.5 % 2 20V; 10mV; 0.5 % 2 200V; 100mV; 0.5 % 2 1000V; 1V; 0.8 % 2 Input impedance: 1M. Maximum input voltage: 1000V DC or 750V rms (200mV scale: 500V DC or 350V AC rms)DC current Range / Resolution / Accuracy200A; 0.1A; 1.0% 2 2000A; 1A; 1.0% 2 20mA; 0.01mA; 1.0% 2 200mA; 0.1mA; 1.5% 2 10A; 10mA; 3.0% 2 Overload protection: F250mA 250V fuse (10A range is unfused!).Resistance Range / Resolution / Accuracy200; 0.1; 0.8% 3 2000; 1; 0.8% 2 20k; 10; 0.8% 2 200k; 100; 0.8% 2 2000k; 1k; 1.0% 2 Maximum open circuit voltage: 3.2V. Overload protection: 250V rms. AC on all ranges.