The SUNA V2 has capacitors that maintain internal power for to the electronics long enough for a proper shutdown process when external power is removed. However, these capacitors must completely discharge between power cycles, or else the SUNA may fail to properly...
The polled mode setting allows the user to program the SUNA to sample when a command is sent. Customers who would like to integrate an SDI-12 controller with their SUNA should use the polled mode setting. Please note that the SDI-12 operation is not available on SUNA...
Unfortunately, users cannot currently program their SUNA to start at a preferred time. As soon as the SUNA is powered, the instrument will begin it’s programmed sampling mode on the hour. Users can use the offset feature to change the start time. For example, an...
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...
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.
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...
SUNAs ordered with the 5mm path length coupler as a factory option will perform much better in low light transmission waters due to the shorter length the light needs to travel leading to less absorption. Equipping your SUNA with the factory bio-wiper option will also...
The temperature and salinity correction for the SUNA can be traced to the experiment outlined in Sakamoto et al. 2009, which is the T/S correction our UCI-based SUNA software uses in post-processing only. Absorption of UV light in seawater is dominated by dissolved...
When your max lamp counts drop below 30,000 during the self test and cannot recover with cleaning, you can send the lamp in for inspection. If your lamp time remaining is less than 25% then it is best to send the SUNA in for a lamp replacement. We will automatically...
The temperature and salinity correction for the SUNA can be traced to the experiment outlined in Sakamoto et al. 2009, which is the T/S correction our UCI-based SUNA software uses in post-processing only.nnAbsorption of UV light in seawater is dominated by dissolved...
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