To see the full specifications for this product, please see our product manual found under the documentation tab if available
Sensor
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Temperature |
RH |
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Measurement Range
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-40°C to 75°C (-40°F to 167°F)
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0–100% RH at -40° to 75°C (-40° to 167°F); exposure to conditions below -20°C (-4°F) or above 95%
RH may temporarily increase the maximum RH sensor error by an additional 1%
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Accuracy
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±0.25°C from -40° to 0°C (±0.45°F from -40° to 32°F)
±0.20°C from 0° to 70°C (±0.36°F from 32° to 158°F)
±0.25°C from 70° to 100°C (±0.45°F from 158° to 212°F)
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±2.5% from 10% to 90% RH typical to a maximum of ±3.5% including hysteresis at 25°C (77°F);
below 10% and above 90% ±5% typical
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Resolution
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0.02°C (0.036°F)
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0.01% RH
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Drift
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<0.01°C (0.018°F) per year
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<1% per year typical
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Response Time (typical, to 90% of change)
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Without solar radiation shield: 3 minutes,
45 seconds in air moving 1 m/sec
With RS3-B solar radiation shield: 6 minutes, 30 seconds in air moving 1 m/sec
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Without solar radiation shield: 15 seconds in air moving 1 m/sec
With RS3-B solar radiation shield: 30 seconds in air moving 1 m/sec
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Wireless Mote
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Operating Temperature Range
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-25° to 60°C (-13° to 140°F) with rechargeable batteries
-40 to 70°C (-40 to 158°F) with lithium batteries
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Radio Power
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12.6 mW (+11 dBm) non-adjustable
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Transmission Range
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Reliable connection to 457.2 m (1,500 ft) line of sight at 1.8 m (6 ft) high
Reliable connection to 609.6 m (2,000 ft) line of sight at 3 m (10 ft) high
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Wireless Data Standard
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IEEE 802.15.4
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Radio Operating Frequencies
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RXW-THC-900: 904–924 MHz
RXW-THC-868: 866.5 MHz
RXW-THC-922: 916–924 MHz
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Modulation Employed
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OQPSK (Offset Quadrature Phase Shift Keying)
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Data Rate
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Up to 250 kbps, non-adjustable
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Duty Cycle
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<1%
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Maximum Number of Motes
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50 motes per one RX Wireless Sensor Network
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Battery Type/ Power Source
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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 (-40 to 158°F)
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Battery Life
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With NiMH batteries: Typical 3–5 years when operated in the temperature range -20° to 40°C (-4°F to 104°F) and positioned toward the sun (see Deployment and Mounting), operation outside this range will reduce the battery service life
With lithium batteries: 1 year, typical use
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Memory
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16 MB
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Dimensions
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Sensor: 5.1 x 33 mm (0.2 x 1.3 inches)
Cable length: 2 m (6.56 ft)
Mote: 16.2 x 8.59 x 4.14 cm (6.38 x 3.38 x 1.63 inches)
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Weight
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Sensor and cable: 110 g (3.88 oz);
Mote: 223 g (7.87 oz)
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Materials
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Sensor: Polyamide
Mote: PCPBT, silicone rubber seal
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Environmental Rating
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Sensor: Weatherproof: 0 to 100% RH intermittent condensing environments. For best results, the sensor should be mounted inside a protective enclosure, such as a solar radiation shield. Mote: IP67, NEMA
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Compliance Marks
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 RXW-THC-900
 RXW-THC-868
 RXW-THC-922
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