Made by Mastech, the newly released V&A VA19 DMMbines a multimeter, a sound level meter, thermometer, luxmeter, humidity meter all in one. Th its release in 2006, one of them is the iF product design award, which is one of the world's three leading design awards and can look back proudly on a 50-year history.Contact Us. Address : JINGYUAN 7 ROAD, JINGHE INDUSTRIAL PARK， NORTH DISTRICT,，CHINA 710200. Worktime::00 ( time) Business Phone :-262 (Working time) (Nonworking time) FAX :-262. Email : . View More >>.Digital Multimeter TRMS/Low Impedance, Auto-Ranging 1000V . This automatically ranging digital multimeter that measures AC/DC voltage, AC/DC current, and resistance. It can also measure temperature, capacitance, frequency, duty-cycle, test diodes and continuity. Exclusively designed from the ground up by electricians for electricians.