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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 1
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 - Page 3
...repairing or replacing (at www.campbellsci.com.) Products not manufactured by CSI, but that are resold by CSI, are available for installation services performed by CSI such as programming to customer specifications, electrical connections to Products manufactured by CSI, and Product specific training, is part...is in the corresponding product manual. (Product manuals are warranted only to the limits...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 4
... three days of the problem, an RMA number will be issued. If the form is unable to process any returns until we receive this number clearly on products that were exposed to contaminants that may not be either emailed to repair@campbellsci.com or faxed to determine which Campbell Scientific company serves your country...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 5
...CAMPBELL SCIENTIFIC PRODUCTS, THE CUSTOMER ASSUMES ALL RISK FROM ANY INJURY RESULTING FROM IMPROPER INSTALLATION...instructions provided in product manuals. Electrical equipment and related grounding devices should be installed by a qualified engineer. Do not exceed design limits. Comply with governing codes...only manufacturer recommended parts, materials, and tools.
Installation sites should be...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 9
... diagram for connecting an OBS sensor to Campbell Scientific Dataloggers 11 8-1. Pin numbers, electrical functions and wire color codes for turbidity calibrations in suspender tub (right 20
Normalized OBS sensitivity as a function of
SDVB standard; Troubleshooting Chart 22 C-1. Table of water but not particles. ....16 9-1. OBS-3+ (left) and OBS300 (right) in 500-NTU AMCO Clear...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 11
... Campbell Scientific recommends removing the sensor from the pressure housing. Cautionary Statements
• READ AND UNDERSTAND the Precautions section at the front of this manual ...a calibration sheet and an instruction manual or a ResourceDVD.
1 Introduction
The OBS-3+ and OBS300 are no user-serviceable parts inside the sensor housing. OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 13
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 3. When Short Cut opens, select New Program.
4. Select Datalogger Model and Scan Interval (default of 5 seconds is OK for most applications). Click Next.
3
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 15
...step 6, check the output of the sensor in the datalogger support software data display to bubbles and organic matter
• Ambient...
• Characterization of monitoring tasks in water. OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
8. They can click Finish in waterquality...laboratory, and industrial settings. If the sensor is connected to the datalogger, as Formazin,...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 18
Specifications
Features: • Measures suspended solids and turbidity for up to 4000 ...OBS300 Suspended Solids and Turbidity Monitors
6.
Accuracy Turbidity2: Mud2: Sand2:
2 Whichever is encased in fresh or salt water • Fitted with MCBH-5-FS, wet-pluggable connector-multiple mating cable length options available • Accurate and rugged • Compatible with Campbell Scientific...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 20
...orientated to totally protect from chafing with tape or 2 mm (1/16 in some installations to point out the end (see to a distance of about using clamps,...wiring to dataloggers manufactured by other companies is to produce a firm grip.
The OBS-3+/OBS300 will vary with applications; Clamp the unit to prevent the unit from sunlight interference.
... Campbell Scientific datalogger;
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 21
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
TABLE 7-1. 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-...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 22
..., the multiplier needs to be 1.0. Edlog supports our CR7 and most of both millivolts and volts (see FIGURE 7-2 and FIGURE 7-3).
We supply a calibration curve in Edlog) to measure the high input range and another single-ended instruction to measure the low input range. OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
7.4 Datalogger Programming...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 31
... but too small to SSC.
9. A Calibration Check is a problem that requires attention.
2. If the first two calibration points fall...1st and 2nd NTU values listed in regular use. OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
8. Repeat steps 4, 5, and ...logged. In order to diagnose an OBS sensor:
1. Troubleshooting
WARNING
Do not use . Calibration checks can be ...Setup).
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 38
... 587-597. Optical Properties of Water-Quality Data. Campbell Scientific sells two wipers from plankton.
11.8 Biological and ... window.
Booklet No. 12. 18 pages. National Field Manual of the Collection of Turbidity Standards. Book 9, Handbooks for... 26, 2299-2318.
Spinrad and R. OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
organic matter and interference from...
OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors - Page 53
FIGURE D-1 shows the relay connections.
12V C1
G
Black
G
White
SE1
Blue
SE2
Green
AG
FIGURE D-1. You may use a relay such as Campbell Scientific pn 7321 instead of channel number (for connecting an OBS sensor to an external relay and a datalogger
NOTE
1.
D-1 Since the CR510 wiring panels do not ...
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