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OBS-3A
New in 2004!
Tried and True Optics
Users can easily program sampling schedules
with a PC. When surveying, data are displayed in real time
as they are recorded.
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OBS-3A information
sheet (129 kb Flashpaper)
OBS-3A information
sheet (107 kb PDF)
OBS-3A instruction
manual
serial numbers 020-120 (4 MB PDF)
OBS-3A
instruction manual
serial numbers 121+ (1 MB PDF)
Request prices
Features
- No cable required, runs 1,500-8,000 hours
on 3 “D” cells
- Measures sediment concentrations to 5,000
mg/ι
& turbidity to 4,000 NTU with field-proven OBS®
technology (U.S. Patent No. 4,841,157)
- Logs depth, wave height, wave period,
temperature, and salinity
- Records 200,000 lines of data in FLASH
- Compact package – 76 mm (3”)
by 362 mm (14.3”)
- Program setpoints & sampling times
Applications
- Record turbidity at remote sites
- Monitor dredging & mining operations
- Wastewater effluent measurements
- Control water clarity in settling ponds
- Sediment transport research
- River and stream gauging
- Permit compliance
Description
The OBS-3A combines our OBS® probe with pressure, temperature,
and conductivity sensors in a battery-powered recording instrument.
The monitor is operated with software running under Windows®
98, 2000, and XP.
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