1). No-load test (included no-load voltage,no load current and no load loss)

2). IInductive voltage test 

3). Load test (load voltage and temperature rise

4). Temperature rise test .

5). Insulated resistance 

6).Hi-pot test 

7).Leakage indutance test 

8).DC resistance test 

1). Application:

1. audio equipment 

2. electric control

3. computer

4.instrument

5.telecommunications

6.high-end and middle-end vedio etc
 

2).  Advantages:

3).Note 

The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard. 

4).GREWIN'S Dimension :

External diameter: 40mm-300mm, height :13mm-130mm, Efficiency: 75-98% 
we can design the appropriate products according to customers' requirments such as installation dimension, input and output voltage,power...etc.)


4.product procedure 

The following picture showed you about all finished toroidal transformer production line and package with export standard carton and strong pallets:

About us:

 1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". 

2.Flow chart of trading activities:

Contact Information:   
    
Amy


Tianjin Grewin Technology Co.,Ltd.

Website:transformer.en.made-in-china.com

Tel:86-22-84943756   

Cell:86 18920139710