• Model NO.：GDB-D
• Turns Ratio Resolution：0.0001
• Working Temperature：-20ºC~40ºC
• Relative Humidity：≤85% No Condensation
• Screen：240×128 LCD
• Transport Package：Standard Wooden Case
• Specification：22kg
• Trademark：Gold
• Origin：China
• HS Code：9031809090
• Production Capacity：1000set,Month

Basic Info.

Model NO. GDB-D Turns Ratio Resolution 0.0001 Working Temperature -20ºC~40ºC Relative Humidity ≤85% No Condensation Screen 240×128 LCD Transport Package Standard Wooden Case Specification 22kg Trademark Gold Origin China HS Code 9031809090 Production Capacity 1000set/Month

Product Description

GDB-D 3 Phase Z Type Transformer Turns Ratio Tester
 Product Description

GDB-D 3 Phase Z Type Transformer Turns Ratio Tester  is specially designed for 3 phase transformer in power system, especially for Z type  winding transformer and other transformers with large no-load current.

The tester has wide testing range, fast testing speed, favorable repeatability, flexible data processing, convenient connection, complete protection, easy learning and convenient operation. 

Features
1.The Tester Has Wide Testing Range, Fast Testing Speed, Favorable Repeatability.
2.Flexible Data Processing, Convenient Connection, Complete Protection.
3.Easy Learning And Convenient Operation
4.Applicable to transformers connected in Z type.
5.Two output voltages are optional and applicable to transformer whose zero-load current is relatively high.
6.Wide testing range and the highest transformation ratio may reach 10000.
7.Automatically calculate tap position.
8.Fast speed, which is only 18 seconds for three-phase.
9.Favorable repeatability.
10.Automatically save 99 data at most.
11.Flexible data processing, including retrieval, print, transfer to U-disk, delete and upload to PC computer for testing.
12.Functions of transformer short-circuit protection and interturn short-circuit.
13.Protection functions. If there is short circuit, relevant information will be displayed on the LCD screen.
14.Small size and light weight.

Specifications

Item Name	GDB-D Z Type Transformer test/Electric Transformer Ratio Tester
Turns ratio range	0.8-10000
Group testing range	1-12
Turns ratio accuracy	0.2% (180V: 0.8~1000) 0.5% (180V: 1000~10000) 0.2%( 0.8~200)
Turns ratio resolution	0.0001
Power input	220V±10% 50HZ±1Hz
Working temperature	-20ºC~40ºC
Relative humidity	≤85% no condensation

Panel Instruction

1. Printer: print test result.
2. High-voltage terminal: connect to the high-voltage terminal of transformer through 3-core cable with red jacket
3. Low-voltage terminal: connect to the low-voltage side of transformer through 3-core cable with black jacket
4. Testing fuse, 1A.
5. Protective earthing rod.
6. Power switch
7. Power socket: connected to power supply of 230V and 50Hz, with 2A fuse.
8. USB interface.
9. USB disk interface.
10. Contrast: regulate the contrast of character displayed.
11. Screen: 240×128 LCD screen with LCD back-light, displaying menu and test result.
12. Keyboard.

Company Information

Our company has become one of the leading manufacturer of petroleum testing instrument and electrical testing instrument since 2009s'.

We have developed sales channels in many countries such as Malaysia,India,Germany,USA,Mexico,Saudi Arabia,South Africa and other countries worldwide. and we have gained great advantage and high reputation in international market.

We are making effort to develop together with customers from both domestic and abroad on the basis of reciprocity.Client,quality and service are our supreme target.

FAQ

What's the delivery lead time?

For most of the products, delivery lead time is 10 days after the order is confirmed; For some customized products, please check with the sales person.

What's the payment term?

For total amount below USD3,000.0, payment term is 100% T/T as deposit; For total amount above USD3,000.0, payment term is 30% T/T as deposit, the balance before delivery; The payment term is also negotiable.

 What's the warranty period?

 Warranty period is 1 year.