The continuous mode setting allows the user to program their SUNA to run continuously for an indefinite amount of time. When power is supplied to the SUNA, it will start data acquisition without an end time or maximum number of frames to measure. In general, we do not...
FAQs
How do I use Fixed Time Mode on my SUNA?
The fixed time mode setting allows the user to program their SUNA to run continuously for a period of time or specified number of frames. When data acquisition has completed, the sensor will enter a low-power standby mode.
How do I use Periodic (Autonomous) Mode on my SUNA?
The periodic mode setting allows the user to select how often, and how long sample intervals are based on frame-based or time-based operation. For example, if a user would like to program their SUNA to sample every two hours, they would use a sample interval of two...
Why is my SUNA V2 reading high humidity? What effects does that have on the data?
High humidity is often signs of a leak- the SUNA V2 is sealed at the factory and is not meant to be opened outside of service, and an internal desiccant should prevent any moisture left over after assembly from affecting the electronics. In the case that your self...
Can the SBE9/11+ system have a video camera feed or other data sources integrated into its sea cable?
The SBE9/11+ system does not have the capability to support any instrumentation data or signals via its sea cable that are not directly connected to the SBE9+ CTD and associated carousels. There is a hardware upgrade on the 9/11+ system that provides a serial RS-232...
When should I replace my pH electrode on my SBE 18 or 27?
The lifespan of the probe is typically between 3 months and 2 years, depending on where and how often it is deployed, storage conditions, and the particular electrode performance. It is a good idea to periodically check the storage solution to make sure that it is...
What is the effect of temperature drift on practical salinity for my CTD?
Temperature and Conductivity are two of the most important values taken into consideration when our instrument calculates the practical salinity of seawater. When one sees a change in a measured value, such as temperature, that change will affect your salinity reading...
How do I determine the depth rating and wavelength of my C-star from the serial number?
Though the naming conventions may seem confusing at first glance, the following key should make your C-star configuration and purchasing process much easier! The letters following the serial number designate the depth rating of the transmissometer and the wavelength...
What are is the recommended temperature ranges for CTD storage between deployments?
In general, the best practice is to store instruments at temperatures above freezing (0 degrees C), and below 35 degrees C (keeping out of direct sunlight while on deck whenever possible). It is best to minimize exposure at high temperatures, as this could contribute...
Why does the specified range of the ECO BB sensors (expressed in m^-1) not match the maximum output calculated from my calibration sheet (expressed in m^-1 sr^-1)?
The back-scattering measurements are a portion of the total beam attenuation coefficient of the water being sampled. The beam attenuation is measured during the back-scattering calibration. Therefore, the range specification on the data sheet for the BB sensor (0 – 3...
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