Details:
LED screen : Display all the information. Will introduce in the following.
Signal port: connect with testing wire. Choose different wires under different testing mode.
Charging port:connect with wire for built-in battery
USB disk:save or import waveform
Multiple function button:total five functions,up,down,left,right and enter.Up and down button is used for gain adjustment,left and right button is used  for cursor adjustment, and enter is used to switch the dotted cursor and soiled cursor
Power indicator light:it will light when power on
Power/Menu : Turn on or off the machine.When power on,it's menu button.Short press into the menu,press again  to exit.
Test button:Press to test.

Company introduction

1.certification
We have passed ISO9001:2015,CE,SGS approval and IEC report


2.Company profile


     Tianjin Grewin is concentrating on transformers for 20 Years and complianted by ISO9001:2015,CB,IEC CB,CE etc.We're always pay great attention to its business philosophy "Quality and Honesty First".Grewin is specialized in the design and manufacture of wound components such as transformer,current sensors, chokes etc .windely used in communications,electronics,meters,industrial control,medical equipments and other fields.We are also a provider of power meters and instruments locators. 85% of its products exported to America, Europe, and Asia etc.We sincerely invite you to join us to create a bright future.

3.Terms of Shipment:
Within 10 working days after received related prepayment or L/C.

4.Payment terms:
(1)T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before
delivery.
(2) By irrevocable L/C at sight, to be issued immediately against confirmed order.
(3)Payment by T/T, if order amount is less than USD 20,000.

5.Warranty:
(1)We provide 1 year warranty.
(2)If the product is defective, please notify us within 3 days of delivery.
(3)All products must be returned on their original condition, in order to qualify for a refund or exchange of goods

6.Why choose us?
Quality and honest first!
A. Flexible service for diffierent transformers with high efficiency performance.
B. Over 40 years experience of transformer designing and producing.
C.100% test of every single product we produce from incoming material checking.
D. UL, CE, ISO9001:2008
E. We offer custom-made transformers, OEM and ODM are welcome
F. We deliver the quality you expect at consistently competitive prices
G.Transformer quality lifetime:10 Years.
H.Specialty Sales service:5 -10 Years

7.Flow chart of trading activities:

8.contact
Tianjin Grewin Technology Co.,Ltd. 
 
Web:transformer.en.made-in-china.com 
Address: 2# MeiNian Plaza No.16 DongTing Road,Hexi Distr,300222,Tianjin China.