JFE ASTD102/152 Logger type CTD with fast optical DO sensor
Parameter: Depth
Principal: Semiconductor pressure sensor
Range:
0 to 600m
0 to 1000m
Resolution:
0 to 600m range: 0.02m
0 to 1000m range: 0.03m
Accuracy: ±0.3%FS
Time constant: 0.2s
Parameter: Temperature
Principal: Thermistor
Range: -3 to 45ºC
Resolution: 0.001ºC
Accuracy: ±0.01ºC (0 to 35ºC)
Time constant: 0.2s
Parameter: Conductivity
Principal: Electrode
Range: 0.5 to 70 mS cm^-1
Resolution: 0.001 mS cm^-1
Accuracy: ±0.01 mS cm^-1
Time constant: 0.2s
Parameter: Salinity
Principal: Practical salinity
Range: 2 to 42
Resolution: 0.001
Accuracy: -
Time constant: 0.2s
Parameter: DO
Principal: Phosphorescence
Range: 0 to 20 mg L^-1 (0 to 200)%
Resolution: 0.01% (0.01 mg L-1)
Accuracy: ±2%FS
Time constant: 0.4s
Parameter: Chlorophyll
Principal: Fluorimeter
Range: 0 to 400 ppb(Uranine reference)
Resolution: 0.01 ppb
Accuracy: ±1% FS Zero drift 0.1 ppb
Time constant: 0.2 s
Parameter: Turbidity
Principal: Backscattering
Range: O to 1.000 F TU(Formazin reference)
Resolution: 0.03 FTU
Accuracy: ±0.3 FTU or measured value +2%
Time constant: 0.2 s
Measurement mode: Depth trigger mode
Measurement interve: 0.1/0.2/0.5/1m
Memory medium: 1 GB built-in memory
Power source: Rechargeable lithium ion battery (approx. 10 h of continual use possible)
Material: Titanium (grade 2)
Dimensions: 0136 * 491 mm
Weight: Approx. 2.0 kg in air, 1.0 kg in water
Date rating: 1000 m depth equivalent
Measurement mode: Time trigger mode
Measurement interve: 0.1 to 600 s
Memory medium: 1 GB built-in memory
Power source: Rechargeable lithium ion battery (approx. 10 h of continual use possible)
Material: Titanium (grade 2)
Dimensions: 0136 * 491 mm
Weight: Approx. 2.0 kg in air, 1.0 kg in water
Date rating: 1000 m depth equivalent
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