Automatic Weather Station

Specifications Measuring Items Wind Speed 0 to 75m/sec, ±1% Wind Direction 0 to 355°,±2° Rainfall 0.2mm or 0.5mm, ±1% Relative Humidity 0 to 100%, ±3% Air Temperature -25°Cto +60°C, ±0.2% Solar Radiation, Direct, Net & Diffused 0 to 1500W/?, ±2W/? Barometric Pressure 900 to 1100hPa, ±0.3hPa Data Logger/Controller A-D Converter 16 bit(±1.9999V) displayed results = 4.5 digits A-D Accuracy ±0.1% ±1 bit A-D Temperature Stability Typically 20ppm/°C Counter Timer 16 bit(65536 counts/min)max. freq. 1kHz Calculations In Any Analysis 9 decimal places Displayed Values 7 Characters incl. decimal point and sign Calibration Linear slope and offset table Real Time Clock Accuracy ±1 minute per month Recording Interval 1 minute to 116 hours 39 minutes(programmable) Sensor Scan Time 0.2 seconds/channel Memory 38706 Bytes. Memory Capacity 16 channel, 1075 records 1 channel, 6450 records Data Protection Mains back up, typically>24 hours Lithium backed memory>5 years Serial Interface RS 232, 300, 1200, 2400, 9600 baud, no parity, 8 data bits, 1 stop bit, software handshaking Operation Temperature -25 to + 50°C Operating Humidity 0 to 100% Enclosure Sealing IP65