SPECIFICATIONS

 Measured parameters: Light scattering coefficient (σsp) at (450, 525 and 635nm)
over 2 to 18 angular sectors
Ranges: 0.0 to >20000 Mm-1
Lower detectable limit: <0.3 Mm-1 over all sectors (60 second averaged data) (0.1 Mm-1 optional)
Secondary measurements: Sample air temperature, enclosure temperature, sample relative humidity
and sample pressure
Intensity function 9-170 °C
Angular resolution 1 deg increments within 0.3 deg accuracy
Flow rate: ≈5 l/min
Operating temperature: -20 to 45 °C
Operating RH: 10 to 95 %
Calibration: Span gas available for CO
2, SF6, FM-200, R-12, R-22, R-134 or a user defined
gas
Optics: Reference light source measurement
Light source: Stable LED light source (U.S. patent 7, 671, 988)
Wavelength: 525nm (green), 450nm (blue) and 635nm (red)
Operating voltage: 12 VDC (incl 110-240 VAC 50/60 Hz power converter)
13 watts nominal, 45 watts with heater active
Dimensions: 170mm x 700mm x 215mm (L x W x H)
Weight: 11.2kg
Communications/Data logging
Outputs: 4 analogue outputs (2 voltage & 2 current) and 2 x RS 232 serial
ports
Filtering: Kalman (digital adaptive filter), or no filter
Stored parameters: Date & Time, σsp(635, 525 and 450nm ), air temp, enclosure temp, RH,
pressure, status for up to 18 angles or raw measurement counts or ratios
Capacity: 2000 lines of data (based on capture of all 18 angular segments)
OPTIONS
• External pump control
• Solar power panels and batteries
• Roof flange kit and rain cap with insect screen
• Gas calibration kit and wall mount bracket.
APPLICATIONS
• Studies on backscatter and forward scatter
• Scattering enhancement factor
• Scattering Ǻngstrσm exponent calculations
• Determination of single scattering albedo.