![Signature1000 Signature1000](https://www.nortekgroup.com/assets/productImages/Nortek_Signature1000_1MHz_sideview_1.png)
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)
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)
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)
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)
Signature55
1500 m> 1000 m current profiling range for stand-alone and online applications
Features:
- Currents
![VM Coastal VM Coastal](https://www.nortekgroup.com/assets/productImages/Nortek_SignatureVM_1000kHz_frame-frontview_dypetset.png)
VM Coastal
1000|500|250 kHzThe Signature VM package delivers vessel-mounted ADCP capabilities based on present-day technology
Features:
- Currents
- Echosounder
- Bottom track
![VM Ocean VM Ocean](https://www.nortekgroup.com/assets/productImages/Nortek_Signature_100kHz_frontview-dypetset.png)
VM Ocean
100|75|55 kHzDelivers vessel-mounted ADCP capabilities with either an optional scientific echosounder for biomass measurements (100 kHz) or very long-range measurements (55 kHz)
Features:
- Currents
- Echosounder
- Bottom track
![VM Operations VM Operations](https://www.nortekgroup.com/assets/productImages/Nortek_VM_ocean_frontview.png)
VM Operations
333 kHzAssists operators on vessels to make informed decisions during subsea operations in areas affected by underwater currents
Features:
- Currents
- Bottom track