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Specifications
Display: 3.5" digit LCD with a maximum reading of 1999
Low Battery Indication: The symbol 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
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 (Temperature): ±(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
Temperature Range (Sensor): 0 to 60°C (32 to 140°F)
Resolution: 0.1°C/°F
Accuracy (Sensor): ±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
Relative Humidity Sensor: Capacitive humidity sensor
Humidity Range: 0 to 100% RH, non-condensing
Humidity 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: ±1% RH typical (Excursion of 10% to 90% to 10% RH)
RH820W Frequency Range: 910~920 MHz, low current consumption less than 1 mA, transmitting distance up to 25 meters
Comes complete with: 4 “AAA” batteries, Type K thermocouple, rubber boot, NIST calibration (no points), and operator’s manual, includes software and receiver
