Description

DTSD**0/DSSD**0 Three Phase Static Multi-functional Watt-hour Meter General introduction: DTSD**0/DSSD**0 serial meter adopts large-scale integrate circuit, digital sampling processing technology and SMT technology. The watt-hour meter can measure the active and reactive electricity quantity and the required quantity of all directions, **5 communication, manual and infrared power break awakening, charge record. And it possesses stable performance, high accuracy and convenient operation. Main technological parameters: * Accuracy class: active 0.5s/0.5/1 reactive 2 * Rated current: 3 × 1.5(6) A, 3 × 5(*0) A, 3 × *0(*0) A, 3 × *5(*0) A, 3 × *0(*0) A, 3 × *0(**0) A *Reference voltage:3 × **0/**0V, 3 × *7.7/**0V(three-phase, four-line), 3 × **0V(three-phase, three-line) * Rated frequency: *0HZ * Starting current: active 0.**1In (grade0.5S, grade0.5), 0.**2In (grade 1), reactive 0.**3In (grade 2) * Normal operation voltage: 0.9Un*1.1Un * Limiting operation voltage: 0.*5Un*1.*5Un * Power consumption in voltage circuit: ≤ 2W and 5VA * Power consumption in current circuit: ≤ 2.5VA * Data backup battery voltage: 3.6VDC * Power break meter reading battery voltage: 6.0VDC * Clock accuracy(day error): ≤ 0.5S( *3 ℃ ) * Normal temperature: **0 ℃ *-+ *0 ℃ * Limited operating temperature: **0 ℃ *-+ *0 ℃ * Storage and transportation temperature: **0 ℃ *-+ *0 ℃ * Humility: ≤ *5% Main characteristics: *Basic functions: ◆ Maximum demand record function ◆ Multi-tariff function ◆ Decompression record function ◆ Current loss record function ◆Voltage loss record function ◆Energy freezing function ◆ Scroll display function, key-press display function◆ Power break, power supply resuming record function ◆Programming, clearing the required quantity, adjusting time in broadcasting function ◆ Alarming function ◆ Programming function * Expanding function: ◆ Monthly (balance) forward active electricity consumed record function ◆ Ending positive active electric energy freezing record ◆ Charge representing the daily integral point active energy record ◆Charge curve record function ◆ Independent **5 communication interface and infrared communication interface ◆ Power break awakening function ◆ Three-phase current inspection function when no voltage ◆ Multi-functional (clock, required quantity cycle replacement, period of time switching) inspection output port function