The CHS390 Three Phase Smart Meter is an advanced metering solution designed for accurate energy measurement in industrial and large-user applications. Supporting the DLMS/COSEM protocol and featuring robust anti-tamper capabilities, this meter is configurable for both prepaid and postpaid modes to accommodate versatile utility requirements. Offering an economical yet features rich, the CHS390 combines a large, easy-to-read LCD with a replaceable battery to deliver reliable, long-term performance for modern energy management.