GLOSSARY MODEL YB8
GLOSSARY
April 1999/Manning Environmental Inc.
Glossary
CONTINUED...
Hydrologic Event An event which effects flow, volume, or flow rate of water. For example,
a flood is a hydrologic event.
LCD Liquid crystal display screen.
Methylene Chloride A cleaning solvent. Must be disposed of according to locally approved
procedures.
Negative Differential Stage Falling change in water level during a hydrologic event.
Positive Differential Stage Rising change in water level during a hydrologic event.
Priority Pollutant Sampling Same as t oxic sampling. S ampling of chlorine based compounds,
hydrocarbons, and other similar pollutants.
RESET A key on the keypad. Used to clear and reset the controller, cancel current
programmed mo de, and turn o f an audible alarm, if in stalled.
Resolution Input span accuracy (significant in the *06 and *09 modes).
Span (Used with the *06 and *09 modes) Difference between maximum and
minimum analog levels or flo w rates.
Suspension Plate Rectangular stainless steel plate which holds the sample bottles in place.
Sub-assemblies A group of different parts which can be installed into a sampler as a unit.
Often performs a specific function independently.
Timing Marks Black marks on spout motor gear and stepper motor gear. Used to
synchronize the gears.
Weighted Strainer Attached to the intake hose. Prevents large particles from entering the
intake line. Also keeps the hose inlet at the desired level between samples.
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