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ETAS-500 Circuit Breaker Ampere Second Characteristic Tester
Apply to: test Ampere-second characteristic for DC circuit breaker and substation. Adapt field test for transformer substation, providing the test method of Dc protection electrical operation characteristics for operation and maintenance department, and calibrating the characteristics and differential to improve the DC system running stability,
Introduction

ETAS-500 is a DC breaker ampere-second characteristic tester to adapt field test for transformer substation, providing the test method of Dc protection electrical operation characteristics for operation and maintenance department, and calibrating the characteristics and differential to improve the DC system running stability, ensure the safe and stable running of grid. This tester is special designed for test, repair and maintenance of station, meets the overload and short circuit characteristics test of DC breaker, keeping the DC system of transformer station healthy and avoiding the overstepping trip and large area power failure happen in DC power distribution network.

Features

1.    The main control part adopts high-performance industrial PC,Windows XP, display each parameter curve diagram and data in real-time.

2.    Keyboard and touch pad input (external USB mouse), 7.48inch TFT real color LCD display. Easy to operate, pretty interface, visual.

3.    Adopt switch constant current control technology, new type of power component, setting constant current output from 1~500A with high accuracy, high on-load capability, can work stably for long time.

4.    Applied to the test of ampere second characteristic of rated current form 1~500A DC breaker and also 6A~10A DC fuse.

5.    The measurement method adopts all-point test or sampling test, with fast response, high test accuracy, safety and reliability.

6.    The instrument has the functions of over heat, over current and over voltage protection, good electromagnetic compatibility and strong anti-interference ability.

7.    Test management software can automatically complete the ampere-second characteristic test of DC circuit breaker, and analyze the test data to draw the circuit breaker protection characteristic curve (ampere-second curve), and generate report output.

8.    The IPC is equipped with 4G storage space, which can store test records at will. Besides, it is equipped with two USB ports to facilitate the extraction and printing of test records.

9.    The instrument adopts integrated design and is easy to carry.

Parameters

Working voltage AC220V、50Hz
Temperature -20℃~50℃
Working humidity 90%RH
Test current 1~500A
test current ripple factor < 2%
Output current stability ≤±1%
Time recording range 1ms~1000s
Min time resolution 0.1ms
operating mode Keyboard, touch pad (external USB mouse)
Dimension 530mm×470mm×200mm
Weight 25kg
Instrument shell Aluminum alloy instrument box

Accessory
Serial Number
Name Amount
1 Mianframe one
2 High strength alumimum pack for host one
3 Test line bag one
4 Test line(2m red electric streamline, 2m black electric streamline, 30cm shorting stub) one
5 Power line
one
6 10A fuse two
7 Specification
one
8 Inspection report
one
9 Certification
one

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