![Signature1000 Signature1000](https://www.nortekgroup.com/assets/productImages/Nortek_Signature1000_1MHz_sideview_1.png)
Oceanography
Signature1000
300 mHigh-performance mean currents and turbulence, wave height and direction
Features:
- Currents
- Turbulence
- Waves
- Echosounder
![Signature500 Signature500](https://www.nortekgroup.com/assets/productImages/Nortek_Signature500_500kHz_sideview_1.png)
Oceanography
Signature500
300 mMean currents and turbulence, plus wave height, direction and ice tracking
Features:
- Currents
- Turbulence
- Waves
- Echosounder
![Signature250 Signature250](https://www.nortekgroup.com/assets/productImages/Nortek_Signature250_250kHz_topview.png)
Oceanography
Signature250
300 mIntermediate current profiling range that includes wave height/direction and ice tracking capability
Features:
- Currents
- Waves
![Signature100 Signature100](https://www.nortekgroup.com/assets/productImages/Nortek_Signature_100kHz_frontview-dypetset.png)
Oceanography
Signature100
1500 mLong-range current profiler designed for combined current profile and biomass measurements
Features:
- Currents
- Echosounder
![Signature55 Signature55](https://www.nortekgroup.com/assets/productImages/Nortek_Signature55_55kHz_frontview.png)
Oceanography
Signature55
1500 m> 1000 m current profiling range for stand-alone and online applications
Features:
- Currents