... available. ISO, KEMA, MID, STS certified. DTSD5-B Poly-Phase energy meter.Residential application.Customization Service available.ISO, KEMA, MID, STS ... of accuracy over its full operating range. DTSD5-B Poly-Phase meter is suitable for CT or direct connected, residential, commercial and ... wires system and 3-element for 3 phase 4 wire system.Meter is programmed on the measurement mode at the factory ...