Hobo RXW-T12-xxx – Onset
HOBOnet T12 soil moisture, soil temperature sensor and electrical conductivity in soil, a complete system requires at least one Hobo RX3000 monitoring station with a HOBOnet wireless manager (RXMOD-RXW-xxx) or one Hobo MicroRX station (which has an integrated HOBOnet wireless manager).
Technical specifications
Measurement range: 0,00 to 0,70 m³/m³ in mineral soils
Accuracy: ±0,030 m³/m³ (±3%) from 0 to 50°C: ±0,020 m³/m³ (±2%) with soil specific calibration
Measurement range: -40 to 60°C
Accuracy: ±1,0°C from -40 to 0°C and ±0,5°C from 0 to 60°C
Measurement range: 0 to 20 dS/m (bulk)
Accuracy: ±5% of reading + 0,01 dS/m from 0 to 10 dS/m and ±8% of reading from 10 to 20 dS/m
Operating temperature range: -25° to 60°C with rechargeable batteries and -40 to 70°C with lithium batteries
Maximum number of motes: up to 50 wireless sensors or 336 data channels per one Hobo RX station
Logging rate: 1 minute to 18 hours
Number of data channels: 4
Battery type/power source: two AA 1,2 V rechargeable NiMH batteries powered by built-in solar panel or two AA 1,5 V lithium batteries for operating conditions of -40 to 70°C
Battery life: with NiMH batteries: 3–5 years when operated in the temperature range -20° to 40°C and positioned toward the sun, with lithium batteries: 1 year
Memory: 16 MB
Cable length: 5 meters
Environmental rating: mote: IP67, NEMA 6