类型 | 电工仪表 | 品牌 | soocia |
型号 | DDSF722 | 新二手程度 | 全新 |
设备所在地 | 温州 | 设备生产产地 | 乐清柳市 |
产品数量 | 20 |
1. General Introduction1.1 SummaryThe DDSF722 Electric Single Phase Multi-tariff Energy Meter used for measuring the single phase AC power of 50Hz by timesharing , its capability according to the GB/T17215-1998 “Class 1 and 2 Static AC Energy Meter” and GB/T15284-1994 “Multi-tariff Energy Meter”, the data communication rule according to DL/T645-1997 “Communication Rule for Multi-function Energy Meter”.Main Feature: Display by LCD and counter, long-live, high accuracy, good allergic performance, low power consumption, small volume. It adopts special real-time clock to guarantee the dependability of clock data, adopts infrared ray or 485 communications to read the meter and set the functions.1.2 Specifications and Main Technique Parameter1.2.1Specification
TypeSpec. | DDSF722 | |||
Accuracy | Class 1.0,2.0 | |||
Rated Voltage(V) | 120 | |||
Rated Current(A) | 1. 2. | 10A1 | 20A | |
Meter Constant(imp/KWh) | As per the nameplate |
1.2.2 Basic Error
Load Current | Power FactorCOSφ | Basic Error % | |
Class 1.0 | Class 2.0 | ||
0.05Ib | 1.0 | ±1.5 | ±2.5 |
0.1Ib~Imax | 1.0 | ±1.0 | ±2.0 |
0.1Ib | 0.5 | ±1.5 | ±2.5 |
0.8 | ±1.5 | — | |
0.2Ib~Imax | 0.5 | ±1.0 | ±2.0 |
供应浙江温州二手仪器仪表≥1,成色9成新,供应价格190.00元台,信息有效期至2011-04-04。
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