DSM14 электронные однофазные РФ измеритель мощности

DDS-DSM14 Electronic Single-phase RF Power Meter Specifications and Parameters Related voltage 220V Basic current 2.5(10)A 5(40)A 10(40)A 15(60)A 20(80)ARelated Frequency 50HzAccuracy class Active 1.0, 2.0Start current 0.4%lb(class 1.0),0.5%lb(class 2.0)Potential With anti-potential logic designPower consumption < 0.8W/5VA(total consumption)Enviromental conditionstandard working temperature -25 celsius degree 55 celsius degree Limited working temperature -40 celsius degree 70 celsius degree Relative humidity ≤95% Weight about 0.65kgOutshape size 157mm x 112mm x 62mm Display LCD (5 integers & 1 decimals)Communication wireless module, RS485 interface and infrared Functions and Features 1 Active energy measurement, and needn't calibrate under long term working status; 2 Use a dedicated large-scale integrated circuits and SMT surface mount technology, which have the characteristic of advanced technics and Simple structure; 3 All the electric component of the meter are long life and high reliability, so the meter have the characteristic of long life and high reliability; 4 Wide temperature LCD display: 5 integers and 1 decimal; 5 Built-in high performance 485MHz wireless module, and the opened communication distance can achieve 1.5KM; 6 Can read the meter's storage electricity data and configure the meter's parameter through infrared, RS485 interface and wireless module;