Mastech MS8229 5 In1 Auto Range Digital Multimeter

The newly released sinometer ms8229 dmm is an improved and modified version of the widely praised mastech ms8209, it combines a multimeter, a sound level meter, thermometer, luxmeter, humidity meter all in one. also it is packed with many nice features such as temperature & humidity display, sound and light warning for the jacks and back-lit lcd. 1. portable professional measuring instruments with large lcd digital display and back light 2. "single-hand operation"design for the range switch 3. overload protection and low battery indication 4. light and sound alarm to prevent misconnection of test leads 5. 5 in 1 digital multi-tester 6. ac/dc voltage and current, resistance,frequency, duty, capacitance, as well as continuity and diode test 7. auto range and manual range 8. auto power off 9. reading hold 10. relative measurement function