YSI ProDSS Meter Calibration and Maintenance
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cal SOP's
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Calibration and Maintenance Procedures: YSI ProDSS
These procedures are to be performed by program staff or people who have been trained by staff.
The ProDSS should be calibrated for all parameters before every monitoring session.
Table of Contents
- Putting the unit together
• Cable connection
• Pre-Sensor Installation
• Sensor installation
- Calibration
• Barometer
• Conductivity
• pH
• Turbidity
• Dissolved oxygen
- Maintenance
- Short term storage
- Long term storage
A FEW NOTES BEFORE GETTING STARTED
The instrument/cable connectors, bulkhead ports, and sensor connector ends are not wet-
mateable and can become damaged if they come into contact with moisture. Never connect the
cable connector to the handheld unit, or install a sensor if they are wet! Carefully follow
sensor tightening instructions during installation. If any resistance is felt during any tightening
(sensor, sensor guard, port plug), stop tightening, loosen nut or guard, and start again.
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