SUNA UV Nitrate Sensor
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Description
The SUNA UV nitrate sensor is the ultimate chemical-free solution for autonomous monitoring of nitrate concentrations in ocean, estuarine and freshwater environments.
PERFORMANCE
Detection range | 0.007 to 28 mg/l-N (0.5 to 2000 µM) |
Accuracy | ±0.028 mg/l (± 2 µM) or ± 10 of reading, whichever is greater ( sigma under laboratory conditions) |
Long term drift: | 0.004 mg/l per hour of lamp time |
Thermal Compensation: | 0 to 40 °C |
Salinity Compensation | 0 to 50 psu |
OPTICAL
Path length: | 1 cm |
Wavelength range | 190 - 370 nm |
Lamp type | Deuterium |
Lamp lifetime: | 900 h |
ELECTRICAL
Input voltage | 8 - 18 VDC |
Power consumption | 7.5 W (0.625 A @ 12V) nominal |
Sample rate | 0.5 Hz |
Telemetry options | RS-232; baud rate user selectable - default 38,400 bps; Analog output 0 - 4.096 VDC and 4 - 20 mA; SDI-12 |
PHYSICAL
Depth rating | 100 m (330 ft) |
Length: | 533 mm (21 in) |
Diameter | 57 mm (2.25 in) |
Weight: | 2.5 kg (5.4 lb) in air 1.0 kg (2.3 lb) in water |
Housing material | Titanium and Acetal |
Operating temperature: | 0 to 40 °C |
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SUNA UV Nitrate Sensor
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