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: 128×64 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
Catalogue: PDF
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