Campbell Scientific OBS300 OBS-3+ and OBS300 Suspended Solids and Turbidity Mo - Page 18

Specifications

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 6. Specifications Features: • Measures suspended solids and turbidity for up to 4000 NTU • Provides a compact, low-power probe that is field proven • Stainless-steel body allows use down to 500 m in fresh water • Titanium body allows use down to 1500 m 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 CRBasic dataloggers: CR200(X) series, CR800 series, CR1000, CR3000, CR5000, and CR9000(X). Also compatible with Edlog dataloggers: CR500, CR510, CR10(X), CR23X, 21X, and CR7 Operating Temperature: 0° to 40°C CAUTION Sensor may be damaged if it is encased in frozen liquid. Ranges Turbidity (low/high): 250/1000 NTU; 500/2000 NTU; 1000/4000 NTU Mud1: 5000 to 10,000 mg L-1 Sand1: 50,000 to 100,000 mg L-1 1 Range depends on sediment size, particle shape, and reflectivity. Accuracy Turbidity2: Mud2: Sand2: 2 Whichever is larger. 2% of reading or 0.5 NTU 2% of reading or 1 mg L-1 4% of reading or 10 mg L-1 Power Voltage output: 5 to 15 Vdc/15 mA (Volts outputs) 4-20 mA transmitter: 9 to 15 Vdc/45 mA max. (4 to 20 mA output) Operating wave length: 850 ± 5 nm Optical power: 2000 µW Drift:

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
6.
Specifications
Features:
•
Measures suspended solids and turbidity for up to 4000 NTU
•
Provides a compact, low-power probe that is field proven
•
Stainless-steel body allows use down to 500 m in fresh water
•
Titanium body allows use down to 1500 m 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 CRBasic dataloggers:
CR200(X) series, CR800 series, CR1000, CR3000, CR5000, and
CR9000(X).
Also compatible with Edlog dataloggers: CR500,
CR510, CR10(X), CR23X, 21X, and CR7
Operating Temperature:
0° to 40°C
Sensor may be damaged if it is encased in frozen liquid.
Ranges
Turbidity (low/high):
250/1000 NTU; 500/2000 NTU; 1000/4000 NTU
Mud
1
:
5000 to 10,000 mg L
–1
Sand
1
:
50,000 to 100,000 mg L
–1
1
Range depends on sediment size, particle shape, and reflectivity.
Accuracy
Turbidity
2
:
2% of reading or 0.5 NTU
Mud
2
:
2% of reading or 1 mg L
–1
Sand
2
:
4% of reading or 10 mg L
–1
2
Whichever is larger.
Power
Voltage output:
5 to 15 Vdc/15 mA (Volts outputs)
4-20 mA transmitter:
9 to 15 Vdc/45 mA max. (4 to 20 mA output)
Operating wave length:
850 ± 5 nm
Optical power:
2000 µW
Drift:
<2% per year
Daylight rejection:
–28 dB (re:48 mW cm
–2
)
Maximum data rate:
10 Hz
Maximum depth
Stainless steel body:
500 m (1640.5 ft)
Titanium body:
1500 m (4921.5 ft)
Weight:
181.4 g (0.4 lb)
Dimensions:
(see below)
CAUTION
8