| we can supply Modular Type DC AmmetrsHere are brief introduction of our company:Shanghai TBG Electric Co.,Ltd. is specialized in designing and manufacturing many kinds of high and low voltage electrical equipment, pneumatic components, and also is one of the first companies in China to export China-made high and low voltage electric.Our products successively pass through ISO9001, CE, German VDE, China Compulsory Certification, CE,CCA, TüV ,SEMKO, UL, ROHS,CB and etc.Accuracy:Class1.5 Specification:30V 50V 75V 100V 120V 150V 200V 250V 400V 450V 500V 600V For450V-450KV,meters can use potential transformer with secondary voltage 100V. | 
