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Specifications
Sensor Type: Electronic capacitance polymer film sensor/NTC
Relative Humidity Range: 0 to 100% RH
Temperature Range: -20 to 60°C (-4 to 140°F)
Dew Point Temperature Range: -20 to 60°C (-4 to 140°F)
Resolution: 0.1% RH, 0.1°C, 0.1°F
Accuracy (Probe RH318-RP): <10% RH, >90% RH ±4.0% RH; 10% RH to 90% RH ±2.0% RH; -20 to 60°C (-4 to 140°F) ±0.8°C (±1.5°F)
Response Time (In Slow Moving Air): Humidity: 180 s; Temperature: 10 s
Sensor Hysteresis: <1.5% RH
Temperature Coefficient: 0.1 x (specified accuracy) per 1°C (<23°C or >23°C)
Sample Rate: Two times per second
Battery Type: 9V battery (included)
Battery Lifetime: Approximately 80 hours (alkaline battery)
AC Adaptor (Optional): 9 Vdc (8 to 10 Vdc maximum)
Operation Temperature: 0 to 40°C (32 to 104°F)
Operation Humidity: 10 to 90% RH
Storage Temperature: -10 to 60°C (14 to 140°F)
Storage Humidity: 10 to 75% RH
Dimensions (Meter): 185 L × 65 W × 36 mm H (7.3 x 2.6 x 1.4")
Dimensions (Probe): 15 D x 94 mm L (0.6 x 3.7")
Weight: Approximately 285 g (10 oz)
Altitude: Up to 2000 m (6562')
Relative Humidity: 90% maximum
Operation Ambient Temperature: 0 to 40°C (32 to 104°F)
Comes complete with probe, NIST calibration, USB interface cable, Windows® software, carrying
case, tilt stand, 9V battery, and operator’s manual
