YSI 9600 - Manual (Page 94)

• A new power supply (Model Number 9689) which will automatically convert line voltages of 90 to
264 VAC to 12 VDC and allows for the use of line input cords from most countries world-wide. The
Model 9689 is supplied with an American/Canadian cord. Note that, while physically compatible
with the 9600 cables (see below), other YSI power supplies such as the 6037, 6038, and 6123 should
NOT be used with the 9600 since they do not supply enough power to operate the pumps correctly.
• An auxiliary power source with a voltage range of 10 to 20 volts and supplying a current of at least 2
amperes. A typical application in this area would be a lead acid battery alone or one that is being
powered by solar cells as part of a data collection platform package.
What is the life of the alkaline D cell internal battery pack?
The life will depend on two key factors: (1) the frequency at which samples are run and (2) the temperature
of water which is being monitored. For a 1 hour sample interval at 20 C, a battery pack will last
approximately 70 days. If the sample interval is increased to 2 hours, the battery life will increase to
approximately 130 days. If the temperature of the water is decreased to 5 C, the battery life at a 1 hour
sample interval will decrease very significantly – to approximately 30 days.
Can the user purchase individual alkaline D-cells and make them into a battery pack?
No. Users must purchase the battery pack assemblies from YSI.
What type of cable will I need for setting up and deploying the 9600?
Depending on your applications, several YSI cables can be used to interface your 9600 to a computer as
described below:
• 6067B -- If your applications involve the remote deployment of the 9600 where the instrument is
powered on internal batteries and then recovered for data upload, then the relatively-inexpensive
6067B is probably the ideal cable interface to your 9600. The cable can be used in the laboratory to
set up the instrument for deployments to upload data in the laboratory or in the field when no provision
for a water tight connection to the 9600 is required. However, users should note that (a) the
connection between the 6067B cable and the 9600 is NOT watertight and (b) the nitrate monitor
CANNOT be powered by auxiliary devices such as the 9689 power supply, car batteries, or data
collection platforms during deployments using this cable because its connection to the 9600 is not
watertight.
• Standard YSI Field Cables -- Users of the 9600 who also have YSI 6-series field cables, such as the
Models 6090, 6091, 6092, or 6093, can utilize these cables for interface to the 9600 under limited
conditions. When using these cables to interface to the 9600, the optional YSI 6095B MS-8 to DB-9
adapter must be connected to the MS-8 end of the cable. However, users with existing 6-series field
cables should be aware that the 9600 CANNOT be powered by auxiliary devices such as the 9689
power supply, car batteries, or data collection platforms during deployments using this cable. The
current draw when the 9600 is actually making measurements is too great for the wires in the cable.
• 9600 Field Cables -- As noted in Sections 3.2.1 and 3.2.2 above, the major limitation of the use of
existing YSI cables with the 9600 is that the nitrate monitor CANNOT be powered externally through
these cables during deployments using the 9689 power supply, auxiliary batteries, or data collection
platforms. However, special field cables such as the 9691, 9692, and 9693 are available for use with
the 9600 under these conditions. These cables utilize heavier gauge wires than the standard YSI cables
such that the 9600 can be remotely powered for distances of up to 100 feet between the power supply
and the nitrate monitor. As for standard YSI field cables, users must utilize a 6095B adapter with the
96XX cables in order to interface to a computer.
YSI Environmental 94 Model 9600 Nitrate Monitor