OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
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INSTRUCTION MANUAL OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors Revision: 5/14 Copyright © 2008-2014 Campbell Scientific, Inc.
INSTRUCTION MANUAL OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors Revision: 5/14 Copyright © 2008-2014 Campbell Scientific, Inc.
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
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... from one hour of evaporation1 of grain diameter 23 The apparent change in standard low ranges 15 8-2. OBS-3+ (left) and OBS300 (right) in 500-NTU AMCO Clear® turbidity standard in 100-mm black polyethylene calibration cup 18 Portable sediment suspender (left... an external relay and a datalogger D-1 Tables 7-1. Pin numbers, electrical functions and wire color codes for connecting an OBS sensor to Campbell Scientific Dataloggers 11 8-1. in NTU value resulting from disaggregation methods 24 Relative scattering intensities of grain shapes 25 Response of an OBS sensor to...
... from one hour of evaporation1 of grain diameter 23 The apparent change in standard low ranges 15 8-2. OBS-3+ (left) and OBS300 (right) in 500-NTU AMCO Clear® turbidity standard in 100-mm black polyethylene calibration cup 18 Portable sediment suspender (left... an external relay and a datalogger D-1 Tables 7-1. Pin numbers, electrical functions and wire color codes for connecting an OBS sensor to Campbell Scientific Dataloggers 11 8-1. in NTU value resulting from disaggregation methods 24 Relative scattering intensities of grain shapes 25 Response of an OBS sensor to...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
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... damaged if it is valid for applications ranging from water quality in freshwater rivers and streams to freeze. 3. OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 1. Do not remove the sensor or connector from the water for the time period that use solvents...must be covered by freezing conditions will not be used if submersing the probe in ice. • Damages caused by our warranty. • Campbell Scientific recommends removing the sensor from the pressure housing. File damage claims with a calibration sheet and an instruction manual or a ResourceDVD. 1 Throughout ...
... damaged if it is valid for applications ranging from water quality in freshwater rivers and streams to freeze. 3. OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 1. Do not remove the sensor or connector from the water for the time period that use solvents...must be covered by freezing conditions will not be used if submersing the probe in ice. • Damages caused by our warranty. • Campbell Scientific recommends removing the sensor from the pressure housing. File damage claims with a calibration sheet and an instruction manual or a ResourceDVD. 1 Throughout ...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
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... use down to 100,000 mg L-1 1 Range depends on sediment size, particle shape, and reflectivity. Also compatible with Campbell Scientific CRBasic dataloggers: CR200(X) series, CR800 series, CR1000, CR3000, CR5000, and CR9000(X). OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 6. Ranges Turbidity (low/high): 250/1000 NTU; 500/2000 NTU; 1000/4000 NTU Mud1...
... use down to 100,000 mg L-1 1 Range depends on sediment size, particle shape, and reflectivity. Also compatible with Campbell Scientific CRBasic dataloggers: CR200(X) series, CR800 series, CR1000, CR3000, CR5000, and CR9000(X). OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 6. Ranges Turbidity (low/high): 250/1000 NTU; 500/2000 NTU; 1000/4000 NTU Mud1...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
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...or stainless steel hose clamps. Dataloggers that do the following: 1. schedule 40 PVC pipe. 7.2.2.2 Cable Ties or Hose Clamps The OBS-3+/OBS300 can be turned off and on. The red power wire is connected to a switched 12 V channel, which allows the OBS sensor to...and Turbidity Monitors 7.2 Mounting Considerations Schemes for mounting the OBS-3+ and OBS300 will fit inside the end of a PVC pipe is a convenient way to provide structure and protection for connecting the OBS sensor to a Campbell Scientific datalogger; This includes any object such as a mounting structure, a ...
...or stainless steel hose clamps. Dataloggers that do the following: 1. schedule 40 PVC pipe. 7.2.2.2 Cable Ties or Hose Clamps The OBS-3+/OBS300 can be turned off and on. The red power wire is connected to a switched 12 V channel, which allows the OBS sensor to...and Turbidity Monitors 7.2 Mounting Considerations Schemes for mounting the OBS-3+ and OBS300 will fit inside the end of a PVC pipe is a convenient way to provide structure and protection for connecting the OBS sensor to a Campbell Scientific datalogger; This includes any object such as a mounting structure, a ...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors TABLE 7-1. Connection to a CR1000 Datalogger (OBS300 has the same wiring) NOTE The assignment of channel (for example, SE1, SE2) vary depending on application. 11 OBS-3+ connected to Campbell Scientific Dataloggers Color Description CR800, CR850 CR1000, CR3000 CR5000, CR23X CR10X White High Range Signal Single-ended Input Single-ended Input Blue Low Range Signal Single-ended Input Single-ended Input Green Signal Ground AG Black Power Ground G G Red Power SW12V SW12V Clear Shield G G FIGURE 7-1.
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors TABLE 7-1. Connection to a CR1000 Datalogger (OBS300 has the same wiring) NOTE The assignment of channel (for example, SE1, SE2) vary depending on application. 11 OBS-3+ connected to Campbell Scientific Dataloggers Color Description CR800, CR850 CR1000, CR3000 CR5000, CR23X CR10X White High Range Signal Single-ended Input Single-ended Input Blue Low Range Signal Single-ended Input Single-ended Input Green Signal Ground AG Black Power Ground G G Red Power SW12V SW12V Clear Shield G G FIGURE 7-1.
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
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Algal growth in turbidity. Campbell Scientific sells two wipers from a third-party manufacturer: the Hydro-Wiper C with high tannin levels can obscure the IR emitter, the detector, or both and produce ... and caused an apparent decline in fresh water where the signal increases after cleaning the sensor window. Huffman. Marine Geology 86, 243-249. OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors organic matter and interference from these materials can come predominately from plankton. 11.8 Biological and Chemical Fouling Sensor cleaning is...
Algal growth in turbidity. Campbell Scientific sells two wipers from a third-party manufacturer: the Hydro-Wiper C with high tannin levels can obscure the IR emitter, the detector, or both and produce ... and caused an apparent decline in fresh water where the signal increases after cleaning the sensor window. Huffman. Marine Geology 86, 243-249. OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors organic matter and interference from these materials can come predominately from plankton. 11.8 Biological and Chemical Fouling Sensor cleaning is...