Campbell Scientific OBS300 OBS-3+ and OBS300 Suspended Solids and Turbidity Mo - Page 11

OBS-3+ and OBS300 Suspended Solids, and Turbidity Monitors

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 1. Introduction The OBS-3+ and OBS300 are submersible, turbidity sensors that use OBS® technology to measure suspended solids and turbidity for applications ranging from water quality in freshwater rivers and streams to sediment transport and dredge monitoring. The OBS-3+ and OBS300 are identical except for the orientation of their optics. The OBS-3+ "looks" perpendicular to the length of the sensor, whereas the OBS300 "looks" out the end of the sensor. Throughout this manual any time OBS sensor is mentioned, it is valid for both the OBS-3+ and OBS300. 2. Cautionary Statements • READ AND UNDERSTAND the Precautions section at the front of this manual. • Although the OBS-3+ and OBS300 are rugged, they should be handled as precision scientific instruments. • The titanium body option (option -TB) must be used if submersing the probe in seawater. Using an OBS sensor with a stainless steel housing (option -SB) in seawater voids the warranty and causes corrosion and leakage. • There are no user-serviceable parts inside the sensor housing. Do not remove the sensor or connector from the pressure housing. This will void the warranty and could cause leakage. • Do not use solvents such as MEK, toluene, acetone, or trichloroethylene to clean the sensor. • The sensor may be damaged if it is encased in ice. • Damages caused by freezing conditions will not be covered by our warranty. • Campbell Scientific recommends removing the sensor from the water for the time period that the water is likely to freeze. 3. Initial Inspection • Upon receipt of the OBS-3+ or OBS300, inspect the packaging and contents for damage. File damage claims with the shipping company. • The sensor is shipped with a calibration sheet and an instruction manual or a ResourceDVD. 1

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OBS-3+ and OBS300 Suspended Solids
and Turbidity Monitors
1.
Introduction
The OBS-3+ and OBS300 are submersible, turbidity sensors that use OBS
®
technology to measure suspended solids and turbidity for applications ranging
from water quality in freshwater rivers and streams to sediment transport and
dredge monitoring.
The OBS-3+ and OBS300 are identical except for the
orientation of their optics.
The OBS-3+ “looks” perpendicular to the length of
the sensor, whereas the OBS300 “looks” out the end of the sensor.
Throughout
this manual any time OBS sensor is mentioned, it is valid for both the OBS-3+
and OBS300.
2.
Cautionary Statements
•
READ AND UNDERSTAND the
Precautions
section at the front of this
manual.
•
Although the OBS-3+ and OBS300 are rugged, they should be handled as
precision scientific instruments.
•
The titanium body option (option -TB) must be used if submersing the
probe in seawater.
Using an OBS sensor with a stainless steel housing
(option -SB) in seawater voids the warranty and causes corrosion and
leakage.
•
There are no user-serviceable parts inside the sensor housing.
Do not
remove the sensor or connector from the pressure housing.
This will void
the warranty and could cause leakage.
•
Do not use solvents such as MEK, toluene, acetone, or trichloroethylene to
clean the sensor.
•
The sensor may be damaged if it is encased in ice.
•
Damages caused by freezing conditions will not be covered by our
warranty.
•
Campbell Scientific recommends removing the sensor from the water for
the time period that the water is likely to freeze.
3.
Initial Inspection
•
Upon receipt of the OBS-3+ or OBS300, inspect the packaging and
contents for damage.
File damage claims with the shipping company.
•
The sensor is shipped with a calibration sheet and an instruction manual or
a ResourceDVD.
1