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10 Channel 30K Ohm Meter for Transformer Coil Low Resistance (AT5110)

10 Channel 30K Ohm Meter for Transformer Coil Low Resistance (AT5110)

This 20A DC Resistance tester adopts new power supply technology, which has the characteristics of small size, light weight, large output current, good repeatability, strong anti-interference ability, perfect protection function and so on.
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Product Introduction

We believe that only by providing high-quality motor generator winding resistance tester, portable oil filter machine, portable oil filter and services, always beneficial to customers, can we establish a long-term good cooperative relationship with customers. In the face of development, we will strive to pursue excellent product quality, layout high-end markets and build innovative enterprises. With the guarantee of technology and quality, we can continue to research and develop new products, constantly improve the quality of existing products, and truly consider customer needs and interests.

1. Application

FUOOTECH produced and exported the FTDC-20A Transformer DC resistance rapid tester since 2005. After continuous improvement and upgrading based on the good suggestions from clients and absorbing the newest technology at home and abroad, FTDC-20A already becomes the newest product for transformer DC resistance test.
 

This 20A DC Resistance tester adopts new power supply technology, which has the characteristics of small size, light weight, large output current, good repeatability, strong anti-interference ability, perfect protection function and so on.
 

The whole test equipment is controlled by a high-speed single-chip microcomputer, with a high degree of automation, with automatic discharge and discharge alarm functions. The instrument has high test accuracy and easy operation, and can realize the rapid measurement of transformer direct resistance.

More info of FUOOTECH 20A Dc Resistance tester

2. When To Measure Winding Resistance?

1). Risk of damage is significant whenever a transformer is moved. This is inherent to the typical transformer design and modes of transportation employed. Damage can also occur during unloading and assembly. The damage will often involve a current carrying component such as the LTC, RA switch or a connector.

Damage to such components may result in a change to the DC resistance measured through them. Hence, it is recommended that the DC resistance be measured on all on-load and off-load taps prior to energizing.
 

2). If the transformer is new, the resistance test also serves as a verification of the manufacturers work. Installation measurements should be filed for future reference.
3). At routine (scheduled) Transformer Maintenance: routine maintenance is performed to verify operating integrity and to assure reliability. Tests are performed to detect incipient problems.

20A Transformer DC Resistance Tester working at site

3. Technical Parameters

Items

Technical parameters

Notes

Measuring current

<20mA,1A,2.5A,5A,10A,20A

 

Measuring range

100μΩ~1Ω (20A)
500μΩ~2Ω (10A)
1mΩ~4Ω (5A)
2mΩ~8Ω (2.5A)
5mΩ~20Ω (1A)

Accuracy: ±(0.2%+2)

 

10Ω-20KΩ (<20mA)

Accuracy: ±(0.5%+2)

Minimum resolution

0.1μΩ

 

Display

LED Display

The resistance shows 4 significant digits

data storage

1000 list

 

Working environment

Environment temperature: 0℃~40℃
Relative humility: <90%RH,
No condensation

 

Power supply

AC 220V±10V, 50Hz±1 Hz

Safety tube 10A

Maximum power
consumption

1000W

 

Dimension

400×225×350(mm)

 

Weight

Tester box: 15.1KG, Line box: 5.75KG

 

 

4. Features

1). The whole machine is controlled by high-speed single chip microcomputer, with high degree of automation and easy operation.

2). The instrument adopts new power supply technology, with many current ranges and wide measurement range, which is suitable for DC resistance measurement of large and medium transformers.

3). The protection function is perfect, which is reliable to protect the impact of back EMF on the instrument, and the performance is more reliable.
 

4). Intelligent power management technology, the instrument always works in the minimum power state, which can effectively save energy and reduce heating.

5). Sound discharge alarm, clear discharge indication, reduce operation mistakes.

6). Fast response.

7). 320x240 ultra small pixel 65K true color liquid crystal,

8). The instrument is equipped with RS232 and USB interface, which can communicate with computer and store in U disk.

9). The instrument has its own calendar clock and power down memory, which can store 1000 groups of test data and can be consulted at any time

 

5. Stocks at office

20A Transformer DC Resistance Tester in stocks (2)

 

6. Packing, Delivery, Shipping and Payment

deliver fuootech 100A Transformer DC Winding Resistance Tester

 

7. Certificates

FUOOTECH winding resistance tester certificate_

 

8. Fault inspection and Trouble-shooting

 

Phenomenon

Reason

Solution

1

Green light don't turn on when power switch connected

Current lines open a circuitPower fuse fusing

Change power lines
Change power fuse

2

Red light don't turn on when push the red button

Pressure regulating potentiometer didn't return to 0

Potentiometer return to 0

3

Red light turns on when push the red button, while raise voltage, red light turns off, red light turns on

High voltage output terminal tester has short circuit

Check the output electriccable. Check the tested products

4

During raise voltage, red light turns off, green light turns on.

Tester discharge or break-down over voltage or over current protection movement

Check the tested products reset setting valu

 

Welcome to contact us for any inquiry and cooperation by email, phone, WhatsApp, etc.

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Our company constantly strengthens the construction of innovation base for invigorating trade through science and technology and supports the export of 10 Channel 30K Ohm Meter for Transformer Coil Low Resistance (AT5110) with independent brands and intellectual property rights. Over the years, through the hard work of all employees, our company's strength has been strong expansion. We strive to make every employee's contribution to be treated and evaluated fairly in a fair and transparent environment.

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