The Mastech MS8239C is a budget multimeter, it can test AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, temperature, diode, continuity check etc. General Specifications : Environmental Conditions : 600V CAT III, Pollution Degree : II. Altitude 28 ¡ã C). Allowed maximum voltage between the measuring terminal and the earth : 600V DC or 600V AC RMS Fuse protection : mA file: Fuse F400mA/500V 10A file: Fuse F10A/500V Sampling rate: about 3 times / sec Display: 3 3/ 4 LCD display Over-range indication: LCD will show "OL" Low battery indication: When the battery voltage is lower than the normal operating voltage , " " will be displayed on the LCD screen input polarity indication : Auto shows " - " sign Technical Specifications: DC voltage 400mV/4V/40V/400V/600V ¡À (0.5% +3) AC voltage 4V/40V/400V/600V ¡À (1.2% +5) DC current 400uA/4000uA/40mA/400mA ¡À (1.0% +5), 10A ¡À (2.0% +10) AC current 400uA/4000uA/40mA/400mA ¡À (1.2% +5), 10A ¡À (2.5% +10) Resistance 200¦¸/2K¦¸/20K¦¸/200K¦¸/2M¦¸ ¡À (0.8% +5) Capacitance 5nF/50nF/500nF/5uF/50uF/100uF ¡À (3.0% +5) Frequency 9.999HZ ~ 9.999MHz ¡À (1.5% +5) Duty cycle 0.1% ~ 99.9% ¡À (3.0% +5) Temperature (¡ã C) -20 ¡ã C ~ 1000 ¡ã C ¡À (3.0% +3) Temperature (¡ã F) -4 ¡ã F ~ 1832 ¡ã F ¡À (3.0% +3) Diode and continuity Power supply: 2 ¡Á 1.5V AAA (not include in package) Size: 150mm ¡Á 74mm ¡Á 41mm Weight: 202g Safety Level: CE CAT.III 600V RoHS Package: 1 * MS8239C