SYS320 Three Phase Standard Meter

 

An intelligent and multifunctional single phase standard meter with high accuracy, which adopts the newest digital electronic technology on the basis of high-speed processor DSP .

 

Device has the following characteristics:

★ Wide measuring range: current 0.01A-100A, voltage:40V-480V

★ The measure ratio is about 2 to ensure the meter has the highest accuracy in the measuring range

★ Strong measuring functions: three phase four wires active energy, three phase three wires active energy, three phase three wires sine reactive energy, three phase four wire 90° reactive energy, three phase three wires 60°reactive energy.

★ Easy to operate: LCD display interface with 5 operating buttons, which shows each phase of the voltage, current, phase, frequency, active power and reactive power and other electrical parameters.

★ Display content: Three-phase four-wire (Uan, Ubn, Ucn) / three-phase three-wire (Uab Ubc Uca) three-phase current (Ia Ib Ic) active power (P) / apparent power (S) / reactive power (Q) power factor (Pf) / phase angle (θ) / frequency (F) with 5 digits.

 

Advantage of enery meter calibration device

1. Electronic program-controlled electric energy meter inspection device carefully researched and developed in accordance with the requirements of relevant standards and regulations.

2. Adopting the world’s advanced technology which provides high accuracy level, with simple and beautiful appearance, exquisite craftsmanship, complete functions and excellent performance.

3. High degree of automation. When verifying the electric energy meter, only need to manually participate in the watch, adjust the photoelectric sampler, and correctly design the parameters of the meter, all the verification items (including warm-up, creep test, start-up test, standard deviation determination, and basic error determination). It is automatically controlled by the PC and completed at one time. The calibration procedure can be in accordance with national regulations or can be customized by the user.

 

The main technical indicators:

1. Voltage input

(1) Input range: 40 — 480 V

(2) Input measuring range: 60, 120, 240, 480 V

(3) Overload Voltage: 600 V

(4) Input load: 0 ≤0.5mA (480V)

 

2. Current input

(1) Input range: 0.01—100 A

(2) Input measuring range (A): 100, 50, 25, 10, 5, 2.5, 1, 0.5, 0.25, 0.1, 0.05, 0.025

(3) Overload current: 150 A

(4) Input overload≤0.2mΩ（100A—0.25A）; ≤0.3Ω (0.25A—0.01A）

 

3. Accuracy Grade: 0.02, 0.05, 0.1 (PF≥0.5）

 

4. Power measurement accuracy

(1) Active power: 0.05%, 0.1% (PF≥0.5)

(2) Reactive power: 0.1%, 0.2% (PF≥0.5)

 

5. Energy measurement accuracy

(1) Active energy: 0.05%, 0.1% (PF≥0.5)

(2) Reactive energy: 0.1%, 0.2% (PF≥0.5)

 

6. Output energy

(1) Frequency of pulse: f _H = C _H ·P/3600 (Hz); f _L = f _H /10000 (Hz)

(2) Output level: TTL level

 

7. Power supply: 220V±10%, 50Hz ±5%

8. Power consumption: About 20VA

9. Working Temperature: 5^oC—40^oC

10. Relative Humidity ≤85%

 

According each sales contract.

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