Sequoia LISST-200X, Руководство пользователя

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Appendix A: Technical Specifications 76 LISST-
200X User’s Manual
Appendix A: Technical Specifications
•
Parameters measured/derived:
o
Particle Size distribution
o
Total Volume Concentration
o
Optical Transmission
o
Depth
o
Temperature
o
Volume Scattering Function
•
Particle size range: 1.00
– 500 µm in 36 log-spaced classes
•
Optical path length: 2.5 cm
•
Optical transmission: 12-bit resolution
•
Analog inputs (availability depends on configuration)
o
Measurement range: 0 to 5.2 V
o
Resolution: 0.1 mV (inputs 1 and 2); 1.5 mV (input 3)
o
Uncertainty: 1.5% of r 2 mV
o
Input impedance: 500 k
Ω
o
Time constant: 250 ms
•
Digital input (availability depends on configuration)
o
Nominal logic levels: 0 and 3V
o
Voltage tolerance without damage: -12 to 12V
•
Analog outputs (availability depends on configuration)
o
Output range: 0.1 to 3.0 V
o
Resolution: < 1 mV
o
Output impedance: 1 kOhm
o
Uncertainty: 1.5% of r 2 mV
•
Data storage memory: 1GB (~12 million measurements)
•
Maximum sample speed: 1 size distribution per second
•
Temperature sensor
o
Range: -5 to 45 °C
o
Resolution: 0.001 °C
o
Uncertainty: approximately 1 °C
•
Depth Sensor
o
Range: 0 to 600 m of sea water
o
Resolution: 1 cm
o
Uncertainty: approximately 1% of reading (if atmospheric offset zeroed)
•
Input power:
o
Operating range: 9 to 24 V
o
Current during active sampling:
▪
LISST-200X: 100 mA @ 12V
▪
LISST-Black: 220 mA @ 12V
▪
LISST-HAB: 180 mA @ 12V
o
Current while waiting for user command: < 50 mA @ 12V
o
Current during sleep: < 3 mA
•
Dimensions: 10.03 cm (3.95
”) diameter x 63.9 cm (26.18”) L
•
Weight: 5.4 kg (11.8 lbs.) in air, 1.7 kg (3.8 lbs.) in water
•
Depth rating: 600 m