Ocean and River Instruments

COMPACT-LW ALW-CMP

■Description
COMPACT-LW is an autonomous deployable data logger for PAR (Photosynthetic Available Radiation: 400 to 700nm) measurements. The instrument has a wiper to inhibit biological growths on the optical window over the deployment period. It has a cosine collector as the PAR sensor. The cosine and filter characteristics of the sensor are ideal for PAR measurement.

Brochure Download

Specifications

Parameter PAR
Principle Photodiode
Range 0 to 5,000µmol m-2 s-1
Time constant 0.1sec
Accuracy ±4%FS (0-2000μmol m-2 s-1)
Resolution 0.1µmol m-2 s-1
Memory medium 2MB flash memory
Data capacity 179,178 data sets
AD converter 16 bit digital conversion
Measuring mode Continuous mode, Burst mode
Measuring interval 0.5, 1, 2, 5, 10, 15, 20, 30 s
Burst sampling interval 1 to 1,440 min
No. of samples 1, 10, 15, 20, 30, 60, 120, 180, 240, 300, 600, 1,200
Battery Lithium battery (14Ah)
Current consumption 35mA
Housing material Titanium (grade 2)
Dimensions Φ69mm× 174mm
Weight Approx. 1.0kg in air, 0.5kg in water
Depth rating 200m depth equivalent

Drawing

ALW-CMP

ALW-CMP

*All the specifications are subject to change without notice. Please contact us for more information.

Ocean and River Instruments

  • JFE Advantech
  • Service and Support Phone:+81-798-66-1783 Fax:+81-798-66-1654
  • Request for documents
PAGE TOP