Siemens FDUL221, A5Q00004397

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Siemens FDUL221, A5Q00004397, FDUL221 Line Tester

  • $791.45
  • Shipping info

    We support shipping internationally between non-UK countries through DHL Express, UPS, TNT


  • Payment methods

    We accept the following payment methods



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  • Return Policy

    We accept returns


Line tester

Stock no. A5Q00004397

The line tester is a universal device for the testing of installed FDnet / C-NET fire detection lines, when no control unit has been connected yet. For troubleshooting for electricians, installers or service technicians.

Different functions can be polled, e.g. number of devices found, number and place of line errors found, short circuit, open line, ground fault with conductor(s), scrolling from detector to detector, with indication of type and serial number, etc. Update of the device software (firmware) via PC possible.

Power supply via battery or mains adapter.

Line tester incl. line connection set FDUL221-A and power supply set FDUL221-B.

    • SKU
      Siemens A5Q00004397
  • Manufacturer
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We support shipping internationally between non-UK countries through DHL Express, FedEx, UPS, TNT When you place an order at our store and enter your address, you’ll see international shipping options which will calculate the shipping costs for you.

We accept the following payment methods


You may return most new, unopened items within 5 days of delivery for a full refund. We’ll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.

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