... automatic 11) 1.0% voltage regulation (max.) in static conditions 12) Protection class: IP 21, Class : HProducts description:water-cooled ... is made up of volt meter, frequency meter, a.c. ampere meter, d.c. ampere meter, water temperature meter, oil temperature meter, ... . CE, ISO9001:2000, CCC......Quality certificate .4. accept L/C at sight payment terms .Welcome your detail enquiry and discussion ...