| Light Intensity |
Measurement Range: 0 to 2500 µmol/m2/sec, wavelengths 400 to 700 nm
Accuracy: ±5 µmol/m2/sec or ±5%, which ever is greater in sunlight. Additional Temperature Induced Error ±0.75 µmol/m2/sec/°C from 25° C (0.42 mol/m2/sec/°F from 77°F)
Angular Accuracy: Cosine Corrected 0 to 80° from Vertical; Azimuth Error <2% Error at 45° from Vertical, 360° Rotation
Resolution: 2.5 µmol/m2/sec
Drift: ±2% per year |
| Wireless Communications |
Radio Power:12.6 mW (+11 dBm) Non-Adjustable
Transmission Range (6ft Height): 457.2 Meters (1500 ft) Line of Sight
Transmission Range (10ft Height): 609.6 Meters (2000 ft) Line of Sight
Wireless Data Standard: IEEE 802.15.4
Radio Operating Frequency (RXW-LIA-900): 904 to 924 MHz
Radio Operating Frequency (RXW-LIA-868): 866.5 MHz
Radio Operating Frequency (RXW-LIA-922): 916 to 924 MHz
Modulation Employed: OQPSK (Offset Quadrature Phase Shift Keying)
Data Rate: Up to 250 kbps, Non-Adjustable |
| Duty Cycle |
<1 % |
| Max Number of Motes |
50 Motes per 1 RX Wireless Sensor Network |
| Power Source |
(2) AA 1.2 Volt Rechargeable NiMH Batteries Powered by Built-in Solar Panel or (2) AA 1.5 Volt Lithium Batteries for Operating Conditions of -40°C to 70°C (-40°F to 158°F) |
| Battery Life |
NiMH Batteries: 3 to 5 Years @ -20°C to 40°C (-4°F to 104°F) and Positioned Toward the Sun
(Operation Outside this Range will Reduce the Battery Service Life)
Lithium Batteries: 1 Year, Typical Use |
| Memory |
16 MB |
| Operating Temperature Range |
Rechargeable Batteries: -25°C to 60°C (-13°F to 140°F)
Lithium Batteries: -40°C to 70°C (-40°F to 158°F) |
| Materials |
Sensor: Anodized Aluminum Housing with Acrylic Diffuser and O-Ring Seal
Mote: PCPBT, Silicone Rubber Seal |
| Standards Compliance |
FCC (RXW-LIA-900), CE (RXW-LIA-868), RCM (RXW-LIA-922), IP67, NEMA |
| Weight |
Sensor and Cable: 109 grams (3.85 oz)
Mote: 223 grams (7.87 oz) |
| Dimensions |
Sensor: 4.1 cm x 3.2 cm (1.61" x 1.26")
Cable Length: 2 Meters (6.56 ft)
Mote: 16.2 x 8.59 cm x 4.14 cm (6.38" x 3.38" x 1.63") |
