*Wet/Dry Bulb, Dew Point and %RH
*MAX/MIN/AVG/REL/HOLD Function
*USB Port Provides Excellent User Interface (RH820U)
*Wireless 2-Way Transmission (RH820W)
*2 Temperature Sensors (Internal NTC and *External K-Type) and Humidity Sensor Together
Thông số kỹ thuật
*Relative Humidity Sensor: Capacitive humidity sensor
Range: 0 to 100% RH, noncondensing
Accuracy: ±2.5% at 25°C (77°F), 10 to 90% RH; ±5% at 25°C (77°F), 0 to 10% RH, 90 to 100% RH
*Sensor Response Time for 90% of Total Range: 60 sec typical
*Sensor Hysteresis (Excursion of 10% to 90% to 10% RH): ±1% RH typical
*RH820W Frequency Range: 910~920 mHz, low current consumption less than 1 mA, the transmitting distance can reach 25M
*Display: 3.5" digit LCD with a maximum reading of 1999
*Battery: Four 1.5V "AAA" (included)
*Dimensions: 160 H x 83 W x 38 mm D (6.3 x 3.3 x 1.5")
*Weight: Approx 265 g (0.6 lb) including batteries
*Temperature Range: -50 to 1000°C (-58 to 1832°F)
Accuracy: ±(0.1% rdg +1°C) on -50 to 1000°C; ±(0.1% rdg +2°F) on -58 to 1832°F
*Temperature Sensor: Thermistor temperature sensor
*Range: 0 to 60°C (32 to 140°F)
*Resolution: 0.1°C/°F
*Accuracy: ±2°C on 0 to 10°C, ±0.5°C on 10 to 45°C; ±2°C on 45 to 60°C; ±4°F on 32 to 50°F, ±1°F on 50 to 113°F; ±4°F on 113 to 140°F
*Low Battery Indication: The "Low Battery Icon" is displayed when the battery voltage drops below the operating level
*Operating Environment: 0 to 50°C (32 to 122°F) at <80% RH
Storage Environment: -20 to 60°C (-4 to 140°F), 0 to 70% RH with battery removed from meter
Accuracy: Stated accuracy at 23°C ±5°C, <75% RH
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