ESU Decoder Tester (53900)

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Electronic Solutions Ulm: ESU Decoder Tester (53900)

Summary: The Profi Decoder Tester makes it easy: Connect the tester to a command station or the LokProgrammer. Test any decoder. Profi Decoder Tester is equipped with some useful features, and it has all commonly used interface sockets for connecting a decoder for the smaller scale models.

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General information
DCC Category
Manufacturer Electronic Solutions Ulm
MSRP 54.99 USD55.98 EUR <br />48.98 GBP <br />83.11 AUD <br />74.19 CAD <br />
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Manufacturer Part Number
Common Name ESU Decoder Tester
UPC Number 404464553900
Release information

Product URL External Product Link
Product Manual URL External Product Link
Has computer interface
Firmware Upgrade Possible
Misc Details
Height 40 mm4 cm <br />0.04 m <br />1.575 in <br />0.131 ft <br />
Length 200 mm20 cm <br />0.2 m <br />7.874 in <br />0.656 ft <br />
Width 120 mm12 cm <br />0.12 m <br />4.724 in <br />0.394 ft <br />


  • NEM 651 (6 Pin)
  • NEM 652 (8 Pin)
  • 21MTC (NEM 660)
  • PluX22 (NEM 658)
  • Next18 (NEM 662)
  • E24
  • Decoders without any interface can be contacted with individual terminals.
  • A quality coreless motor with flywheel serves in conjunction with LEDs indicating the direction for checking motor output.
  • An LED monitor informs you about the functioning of the headlights and back-up lights as well as the function outputs AUX1 through AUX6.
  • For testing LokSound decoders we have integrated a 20 mm speaker. You may choose if the integral speaker should be switched off or if it should have 100 Ohm respectively 16 Ohm – thus the Decoder Tester is perfectly suitable for any ESU decoder generation!
  • Two SUSI plugs facilitate the direct test of optional SUSI modules as well as the connection to another circuit board.
  • The electrical connection to either the command station or the LokProgrammer is facilitated by a removable, 2-pole terminal block (same system as used on the LokProgrammer and the ECoS) or via two solder points.

Large Scale Decoder Tester Extension

  • LokSound XL V4.0,
  • LokSound L V4.0
  • LED monitor, servo connectors

53900 FAQs

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