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DFS-20A Three-phase AC Standard Source
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DFS-20A Three-phase AC Standard Source

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China

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Contact Person Wu

Zhengzhou, Henan

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Product Description

I. Overview

DFS**0A three-phase AC standard source adopts Meter and Source integration structure, all-digital closed-loop standard source technology. With advantages of embedded system, large screen TFT color LCD display, CPLD chips and high-precision A/D, D/A series of advanced components, it's widely used in the electricity metering industry, electrical laboratory and other related departments.

Small size and light weight makes it very portable, quite convenient to use in the field.

II. Features

•   Using touch screen control panel plus  to display a large amount of information, easy to operation.

•  Built-in high-grade standard energy meter, being a standard for digital closed-loop feedback; voltage, current, frequency, phase, active power, reactive power, apparent power, power factor, power factor and other parameters can be used as a standard.

•  Various protection functions: current-limiting protection, amplifier protection, voltage short circuit protection, current open circuit protection, power amplifier thermal protection, etc.

•   Independent control of three-phase current and voltage circuits, each output parameters of voltage and current can be adjusted respectively.

•   Smart gear: within the allowing range of instrument output, the user can freely set rated voltage and current gear, testing point and adjustment fineness of voltage and current can refer to the rated gear set by user.                   

•   Plenty of testing points for voltage, current and phase, easy operation.

•   With RS**2 COM, open communication protocol, convenient for computer control and software upgrading.

III. Technical Parameter

3.1 Power output

Voltage: *0—**0V (internal voltage gear *8, **2, **0V), max output power: *5VA.  

Current: 0.*****2A (*4A) (internal current gear 0.2, 1, 5, *0A (*0A)), max output power: *5VA.

Output frequency: ****9Hz.

Output phase: 0—**9.*9°.

Stability: below 0.1 degree, stability of voltage, current and power doesn't exceed 0.*2%; stability of 0.*5 voltage, current and power doesn't exceed 0.*1%.

Distortion: during internal rated gear output, voltage and current distortion doesn't exceed 0.5% (non-capacitive load).

Harmonic: ***1 times, total harmonic content is not more than *0% fundamental wave, can be multiple superimposed.

3.2 Output and accuracy

Output accuracy

0.*5

Voltage 

0.*5%

Current 

0.*5%

Frequency

0.**5Hz

Country: China
Model No: -
FOB Price: Get Latest Price
Place of Origin: -
Price for Minimum Order: -
Minimum Order Quantity: -
Packaging Detail: -
Delivery Time: -
Supplying Ability: -
Payment Type: T/T, L/C, Western Union
Product Group : -

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