Best Humidity And Dew Point Sensor

Extech RH390 Precision Dual Display Hygro Thermometer Psychrometer

Measures relative humidity from 0 to 100% and temperature from -4 to 140° F (-20 to 60° C).
Dual display of humidity and temperature or humidity and dew point or humidity and wet bulb.
Capacitance sensor responds under to humidity changes in under 30 seconds.
Slim design with rubberized ides for better grip.

humidity, temperature, dew-point, CO2, TVOC, air pressure, ambient light sensor.
alarm notifications via e-mail, sms, voice.
other supported cloud provider: IBM Watson IoT, MQTT.

The humidity and temperature sensor board that carries a digital SHT21 humidity and temperature sensor from Sensirion..
Si7021 GY-21 Module Industrial High Precision Humidity Sensor I2C IIC Interface Module For Arduino Low Power CMOS IC Module.
It has a 4-pin interface that can communicate directly with the analog pins.
It can be used as a hardware- and software-compatible drop-in upgrade for existing RH/temperature sensors in 3x3 mm DFN-6 packages, featuring precision sensing over a wider range and lower power consumption..
The Si7021 offers an accurate, low-power, factory-calibrated digital solution ideal for measuring humidity, dew-point, and temperature, in applications ranging from HVAC/R and asset tracking to industrial and consumer platforms..

Sensor suite monitors outside temperature & humidity, wind speed & direction, and rainfall. Console and WeatherLink Live give barometric pressure, inside temperature and humidity..
Console offers graphing, wind chill, dew point, alarms, forecast, moon phase..
Fast data updates: packets sent every 2.5 seconds.
Share your data with friends, community or third-party weather sites.

Accurate, rugged handheld weather and heat index meter with large, replaceable impeller, responsive temperature sensor and temperature-corrected humidity chamber.
Measures heat stress index, relative humidity, dew point temperature, wind chill, air/water/snow temperature, current/average/maximum wind speeds on large, clear LCD.
Waterproof (IP-67), floats, drop-tested to military standards (MIL-STD-810G), patented.

High-precision 5-in-1 wireless weather sensor accurately measures the temperature, humidity, wind speed, wind direction and rain.
Monitor temperature, humidity, wind speed, wind direction and rain from the illuminated color display , Indoor Humidity Range - 16 to 98percent....
PC Connect feature enables you to connect the display to a Windows computer via USB, allowing you to remotely view your weather through the internet....
CSV Data Logging 12 minute updates, PC Connect to My AcuRite 18 second updates, Weather Underground Rapid Fire updates, wind speed 18 second updates,....
Set up programmable weather alarms for temperature, humidity, wind, rain, dew point, heat index and storm alerts, as well as email and text alerts to....

WIRELESS AND ACCURATE: Bluetooth Low Energy remote thermometer, hygrometer and dew point sensor beacon and data logger with factory calibrated sensor for the accurate measurement of temperature, humidity and dew point..
LOGS, TIMESTAMPS AND PROVIDES STATISTICS: Stores over 8 months of data at default settings with unlimited data storage in the app. Users can define logging intervals from 1 minute to 12 hours. Logs are quickly and easy downloaded by a smartphone and can then be exported as a CSV file using email..
PLACE IT ANYWHERe: Incredibly small allowing it to be placed almost anywhere. Ideal for refrigerators, freezers, reptiles, collectibles, cigars, greenhouse, laboratories, instruments and more. Can be used indoors as well as outdoors..
AMAZINGLY SIMPLE: Automatically detected by the app with no set up required. Open API available for the easy integration with third party gateways and the development of own apps..
TONS OF FEATURES: Easily configurable settings, such as units (i.e., Celsius or Fahrenheit), date and time, name, logging interval, sensor interval, alarms, calibration, transmission strength, airplane mode, etc..

Professional and rugged weather station gives you inside/outside temperature and humidity.
rain, wind, barometer, dew point, heat index, wind chill, and more.
Fast updates every 2.5 seconds with 1,000 feet (300 m) wireless transmission range.
Large backlit console with alarms, graphs, forecast.
Outdoor sensor suite is solar-powered with battery backup.

Professional and rugged weather station gives you inside/outside temperature and humidity.
rain, wind, barometer, dew point, heat index, wind chill, and more.
Fast updates every 2.5 seconds with 1,000 feet (300 m) wireless transmission range.
Large backlit console with alarms, graphs, forecast.
Outdoor sensor suite is solar-powered with battery backup.

Professional and rugged weather station gives you inside/outside temperature and humidity.
rain, wind, barometer, dew point, heat index, wind chill, and more.
Fast updates every 2.5 seconds with 1,000 feet (300 m) wireless transmission range.
Large backlit console with alarms, graphs, forecast.
Outdoor sensor suite is solar-powered with battery backup.

Real-Time Weather Conditions: Receive readings from your digital weather station for indoor and outdoor temperature, humidity, wind speed and direction, barometric pressure trends, and rainfall totals.
Forecasting Technology: Provides a hyperlocal, personalized weather forecast 12 hours from your current conditions.
Set Up Custom Alerts: Alert yourself when conditions require attention using customizable alarms for rainfall, wind speed, temperature, humidity, and more — a best weather station feature.
High-Definition Display: Clear, color display allows for easy reading of important environmental data from any angle.
Comprehensive Weather Information: Indoor weather gauge displays barometric pressure with trend arrow, heat index, dew point, and feels like temperature.
Expand Your System: Upgrade your professional weather station with a lightning sensor (AcuRite sensor #06045M, sold separately) for your weather station (wireless).
Company Based in Lake Geneva, WI, USA — Since 1943.

1. Display the temperature, relative humidity and dew point. It can be operated easily and be ideal instruments for use in fields, laboratory,....
2. Humidity alarm feature can be turned on or off. The humidity alarm limits can be set according to your reality needs. LED Alarm..
3. Temperature-Humidity Sensor can be mounted on the left side of the meter or extended for measurements in other locations. The meter can be mounted....
4. Data memory of max/min temperature and humidity values are available. Fahrenheit/Celsius can be exchanged according to your application preference..
5. Large LCD display. Power supplied by 2 x 1.5V AAA battery (Not provided by seller)..