Specification Brand : ElectronicMaker BulletPoint : DHT21 AM2301 Capacitance Digital Temperature And Humidity Sensor SHT11 SHT15 Temperature Humidity Sensor Module For Arduino BulletPoint1 : ■CE certified ■Easy to carry and operate with one hand ■High-precision NTC temperature sensor ■Can measure °C and °F ■Quick response humidity sensor ■Maximum value lock function ■Backlight display ■Measuring dew point/wet bulb and temperature ■Measurable average value and automatic shutdown ■Dual display of temperature and humidity BulletPoint2 : Use place: ■Greenhouse ■Food distribution industry ■HAVC installation and maintenance ■Art Museum ■Office ■Department Store, ■Laboratory ■Hospitals and clinics ■Environmental research ■Printing factories ■Climate monitoring ■Shopping malls BulletPoint3 : General specifications: Low battery voltage display: When the battery voltage is lower than the operating voltage, "" is displayed. Sampling rate: 2.5 times per second. Operating environment: 0°C to 50°C, relative humidity <70%R.H. Storage environment: -20°C to 60°C, 0 to 80% R.H. (after removing the battery). Accuracy test environment: 23°C±5°C, relative humidity <75%R.H. BulletPoint4 : Dimensions: 178mm (height) x 65.5mm (width) x 35mm (thickness). Weight: about 320 grams (including probe and battery-BK8321). Weight: about 165 grams (including battery-BK8322). Temperature specifications: Sensor: Thermistor type temperature sensor Range: -20°C to 60°C, -4°F to 140°F Resolution: 0.1°C, 0.1°F Accuracy: ±0.5°C at 0°C to 45°C ±1°C at -20°C to 0°C, 45°C to 60°C ±1°F at 32°F to 113°F ±2°F at -4°F to 32°F, 113°F to 140°F BulletPoint5 : Humidity specifications: Sensor: Capacitive humidity sensor Range: 0% to 100% R.H. Accuracy: ±2.5%@25°C (77°F), 10% to 90% R.H. ±5%@25°C (77°F), 0% to 10%R.H., 90% to 100% R.H. Sensor response time: 90% of the reading is 60 seconds Sensor hysteresis: (Excursion of 10% to 90% to 10%R.H.) ±1%R.H. Color : Black 12pcs ExternallyAssignedProductIdentifier : 5202036999951 ExternallyAssignedProductIdentifier1 : 0732490869842 ExternallyAssignedProductIdentifier2 : 732490869842 ItemName : DHT21 AM2301 Capacitance Digital Temperature and Humidity Sensor SHT11 SHT15 Temperature Humidity Sensor Module for Arduino ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : humidifier-accessories Manufacturer : ElectronicMaker MountingType : Tabletop NumberOfItems : 1 PartNumber : HYSYMo-10664 ProductDescription : Descriptions: 4-pin package Ultra-low power No additional components Excellent long-term stability All calibration, digital output Completely interchangeable Long distance signal transmission Relative humidity and temperature measurement Specifications: Type: AM2301 Accuracy resolution: 0.1 Measurement range: 0-100%RH Temperature measurement range: -40° ~ +80° Humidity measurement precision: ±3%RH Temperature measurement precision: ±0.5° Package Include: 1 x Temperature Humidity Sensor AM2301