Syberg AS

Biskop Jens Nilssøns gate 5
0659 Oslo
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ZNT-300 Smart NMEA Tester

ZNT-300 Smart NMEA Tester is a sub-compact & ultra-light portable NMEA 0183 tester including a function of generalpurpose oscilloscope and the first development in the world.

It can monitor and diagnose both NMEA 0183 electric signal and data also predict failures by checking of signal quality. NMEA data generation function is very useful to test the equipment on the vessel while the vessel is anchoring. It is possible to re-check the data & waveform on PC after save them in Micro-SD, and ZNT-300 uses a rechargeable battery. ZNT-300 Smart NMEA Tester is necessary equipment to significantly improve the work efficiency of filed-engineers.

Dimension 91 x 62 x 13 mm
Weight 100g


  • Easy to carry with sub-compact & ultra-light, and use of rechargeable battery.
  • Monitoring, checking and analysis function of NMEA 0183(IEC61162-1/2) data.
  • General-purpose Oscilloscope which can diagnose NMEA 0183 signal and electric signal.
  • Receive NMEA 0183 data without regard to the existing circuits by using High Impedance circuit.
  • Receive NMEA 0183 data in low voltage which has never received in standard NMEA listener circuits.
  • Save NMEA 0183 data & Oscilloscope waveform in Micro-SD, and check the data on PC.
  • Generate NMEA 0183 data & Pulse signal and useful to test the equipment while the vessel is anchoring.
  • Firmware upgrade and rechargeable via USB.
  • One set ZNT-300 includes a mini USB cable, 2 kinds of probes, a 2GB Micro-SD card, a Black pouch.

For more information, please download the brochure!

For international customers:

Price for the tester is Euro 985,- this including shipment.

This to be prepayed to:

 7097.04.47642,IBAN EUR: NO 2770970447642


If you wish to order please send us PO containing invoice address, delivery address, together with copy of your payment.

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ZNT-300 Smart NMEA Tester

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