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Help CenterThree Phase Muti-function Active and Reactive KWH Meter DTSF997
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1. Accuracy class: Reactive 2.0
2. Reference voltage:
Three phase three wire:3 X 100V
Three phase four wire:3 X 57.7/100V; 3×220/380V
3. Reference/Rated current: 3×5(10)A, 3×15(30)A, 3×30(60)A, 3×30(90)A, 3×50(100)A
4. Rated frequency: 50Hz
5. Starting current: Reactive 0.005In (class 2.0)
6. Potential: With anti-potential logic design
7. Profile size: 278mm x 174mm x 77mm
8. Weight: Approx. 2.4kg
9. Electric parameters:
Normal working voltage: 0.9Un ~ 1.1Un
Limit working voltage: 0.75Un ~ 1.15Un
Voltage circuit power consumption: ≤ 2W or 5VA
Current circuit power consumption: ≤ 1VA
Voltage of battery for data storing: 3.6VDC
Battery capacity: ≥ 1000mAh
Battery life: ≥ 10 years (using new battery)
10. Climatic conditions:
Normal working temperature: -20 oC~ +50oC
Limit working temperature : -30 oC~ +60oC
Storage and transport temperature: -40 oC~ +70oC
Storage and transport humidity: ≤ 85%
11. Technical parameters:
Display Type: LCD
Communication baud rate: 300bps~9600bps
Communication Protocol: IEC1107
Communication interface: RS485, Optical
Functions and Features:
1. The total energy is each phase energy algebrasummaration or absolute values summaration;
2. Adopts sine reactive measurement for the reactive part. Hight accuracy , accurate and reliability;
3. Adopts brand-new design, frequency, voltage, harmonics, which have small affection to the measurements accuracy, and neednt calibrate under long-term working status;
4. Three phase power supply. Have phase loss indicator, one phase or two phases power off, and the measurements accuracy wont be affected;
5. Have remote motion and energy testing signal output;
6. Wide working voltage range;
7. Measure positive active energy and positive reactive energy, and story their datas;
8. LCD automatic rotate function. Energy informations cycle display and each data display for 5S;
9. Keypad display function( can push the keypad to display next data);
10. Can proceed the RS485 communication through handheld computer or PC, and finish meters calibration, programme and meter reading;
11. Implement electric isolation between RS485 interface and the electric meters interior, and have designed anti-lightning circuit;
12. With total clearance times limitation function( when total clearance permission times is zero, electric meter forbid clearing electricity amount and calibration, and only permit to amend meters no., amend password and meter reading);
13. Output function (have the impulse testing output function);
14. Status indicator function ( can indicate present phase A, B, C voltage status, active power status and reverse phase order status)
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