MAS345 Digital Multimeter is an professional autoranging instrument with 33/4 digit LCD and rich capabilities: Measure DC / AC voltage， DC / AC current， resistance， capacitance， frequency and to test diodes， transistors and audible continuity. It is widely used in electrical repair， appliance repair， home wiring projects， testing electrical systems on cars and boats， hobby projects， etc.

Features:
● MAS345 is an Auto Ranging Digital Multimeter
● DC 1000V / 10A / frequency / capacitance 200uF 40M ohm / transistor hFE test / diode test
● Overload indication and protection， low battery indication and back light
● Digital multimeter with 3 3/4 digits LCD display， temperature and capacitance measurement
● Auto ranging with very good sensitivity， resolution and accuracy

Function Buttons and Jacks

- Range control button:
Range for AC / DC voltage AC / DC current (uA and mA only)， resistance and frequency measuring can be selected manually or handled by autoranging. Push this button as following to choose range control mode and desired ranges.


- Data-hold button:
When this button is pushed， the display will show the last reading and D-H symbol will appear until pushing it again.

- AC DC current or selecting button:
Push this button to select AC or DC current measuring function when the function switch is set at uA， mA， A positions.
Push this button to select measuring function when the function switch is set at 图片 position.

- Input jacks:
This meter has four input jacks that are protected against overload to the limits.
(uA / mA and A ranges are protected by fuses)