NDN representative of Guildline Instruments - a leader and manufacturer of ultra-precision measuring instruments in the field of metrology and oceanography.

60 years in business puts Guildline among the world's top suppliers of metrology standards.

The product range includes primary electrical standards, AC and power standards, temperature standards, apparatus for oceanography as well as calibration and repair services.

For more information:

https://ndn.com.pl/pl/3349-systemy-kalibracyjne

1) Guildline 6625T Temperature measurement system

2) Guildline 6645Q Calibration system for primary resistance standards

3) Guildline 8400B "Autosal" industrial standard for salinity measurements