Specifications

Console (LAI-2270C)

  • Sensor Inputs: Two 6-pin connectors for LAI-2250 Optical Sensors. 2 BNC connectors for LI-COR Light Sensors
  • Data Storage Capacity: 128 MB of FAT16 memory
  • Keypad: 22 button tactile response keypad
  • Display: 128x64 graphics display
  • Communications: USB (as mass storage device)
  • Global Positioning System (GPS RADIONOVA® RF Antenna Module):
    • Horizontal position accuracy: 2.5 m CEP (50% Circular Error Probability, Open-Sky, 24hr Static, good view of the sky)
    • Maximum position update rate: 1 Hz
    • GPS receiver sensitivity, autonomous acquisition: -148dBm
    • WAAS enabled receiver
    • Time to first fix (TTFF), hot start: 1 second
    • TTFF, warm start: 6s (typical).
    • TTFF, cold start (with good view of the sky): 37 seconds at 90% probability
  • Clock: Year, Month, Day, Hour, Minute. Accuracy of ±3 minutes per month
  • Power Requirements: 4 "AA" alkaline, NiMH, lithium batteries
  • Battery Life:
    • 90 hours based on 4 "AA" alkaline batteries without optical sensor attached and without GPS enabled
    • 60 hours based on 4 "AA" alkaline batteries with optical sensor attached and without GPS enabled
    • 40 hours based on 4 “AA” alkaline batteries without optical sensor attached and with GPS enabled
    • Low Battery Warning: Display indicates when battery power is < 15%
  • Size: 20.9 x 9.8 x 3.5 cm (8.2″ x 3.9″ x 1.4″)
  • Weight: 0.454 kg (1.0 lb) with batteries

    • Optical Sensor (LAI-2250)

    • Sensor Inputs: One 6-pin Bulkhead connector for control unit interface
    • Memory:
      • 1 MB flash memory for record storage
      • 1 KB EEPROM for calibration and configuration storage
    • Keypad: 2 button, tactile response keypad
    • Clock: Year, Month, Day, Hour, Minute. ± 3 minutes per month. Can be synced with control unit clock when joined with a data cable
    • Power Requirements: 2 "AA" (alkaline, NiMH, lithium) Batteries
    • Battery Life: 180 hours of typical operation (based on 2 "AA" alkaline batteries)
    • Optics: 1.00° maximum decentering error as measured from center of mass of ring 4. 0.50° maximum magnification error as measured from the center of mass of ring 4
    • Radiation Rejection:
      • 99% from 490-650 nm.
      • 99.9% above 650 nm
    • Wavelength Range: 320-490 nm
    • Nominal Angular Coverage:
      • Ring 1: 0.0-12.3°
      • Ring 2: 16.7-28.6°
      • Ring 3: 32.4-43.4°
      • Ring 4: 47.3-58.1°
      • Ring 5: 62.3-74.1°
    • Lens Coating: MgF2 for improved transmission at oblique angles (external and internal lenses)
    • View Caps: Provide azimuthal masking of view into quadrants of 10°, 45°, 90°, 180°, and 270°
    • Diffuser Cap: Used to cover the lens when measuring sky radiation properties for scattering corrections
    • Size: 63.8 L x 2.9 W x 2.9 D cm (25.1″ x 1.125″ x 1.125″) (Endcap: 4.4 W x 5.1 D cm; 1.75″ x 2.0″)
    • Weight: 0.845 kg (1.86lbs) with batteries

    Environmental Conditions

    • Operating Temperature Range: -20 to 50° C
    • Humidity Range: 0 to 95% RH (non-condensing conditions)
    • Storage: -40 to 65 °C

    Specifications subject to change without notice.