Sign In | Join Free | My
Home > Telephone Accessories >

ST230B Telephone Line Tester

  • Product Details
  • Company Profile

ST230B Telephone Line Tester

ST230B Telephone Line Tester is a new kind of line fault tester with safety & multi-functions capabilities. Besides the functions as a Telephone, it also has functions of high voltage protection, monitor and telecom line identifying, etc.

Main Functions

Common Telephone: Dial, Talk, Redial, Mute, T/P switch

Fault Testing: Insulation, Break, Grounding

Call & Talk

Telephone Testing


Telecom Line Identifying (Telephone line, ISDN line, ADSL line)

Key Features

Dumbbellshape, small size, simple operation

Special low pass avoiding influencing communication

Rechargeable NI-MH battery

Dangerous voltage alarm

High DC Voltage protection

Against water, shake & fall

Technical Specifications

Insulation impedance test, Rang


Ring distance


Open resolution distance


High resistance monitoring, Resistance


Index and Standard


Telecom line identifying distance



Rechargeable 9V NI-MH battery

Quality ST230B Telephone Line Tester for sale
  • Haven't found right suppliers
  • Our buyer assistants can help you find the most suitable, 100% reliable suppliers from China.
  • And this service is free of charge.
  • we have buyer assistants who speak English, French, Spanish......and we are ready to help you anytime!
  • Submit Buying Request
    Send your message to this supplier
    Your email address is incorrect!
    Your subject must be between 10-255 characters!
    For the best results, we recommend including the following details:
    • --Self introduction
    • --Required specifications
    • --Inquire about price/MOQ
    Your message must be between 20-3,000
    Yes! I would like your verified suppliers matching service!
    Send your message to this supplier
    *To: Shandong Senter Electronic Co., Ltd.
    Characters Remaining: (0/3000)
    Explore more High Voltage Tester products from this supplier
    Find Similar Products By Category:
    Inquiry Cart 0

    Home| Products| Suppliers| Quality Suppliers| Site Map |About Us |Contact Us |Help |关于我们 |联系我们

    Copyright © 2009 - 2020 All rights reserved.