•  It measures water vapor relative to the temperature of the air. ④ - Graphical representation of temperature, dewpoint, humidity, warning levels, and alarm levels. The relative humidity ranges from 63 to 95% during this week. Each temperature and humidity sensor Node can have low and high warning and/or alarm levels. To observe the relationship between temperature and relative humidity. Night temperatures fell slightly as the week progressed. AQI is short of Air Quality Index, which is calculated from five major air pollutants: O3, CO, SO2, NO2, and PM2.5. GSM Datalogger. The the Y-Axis scale to Auto and use only one decimal (#.#). Air humidity and temperature are closely linked. Use the definition of relative humidity given above to explain your answer. Nfl Youth Size Chart . Jun 4, 2014 #1. As the temperature of air is increased, it can absorb more liquid and, therefore, the relative humidity is decreased. Adding a Labeled Value for the Temperature. The operating minimums and maximums are -40°F to 185°F (-40°C – 85°C) and 0-100%. •  It is expressed as a percent. This page Relative Humidity Table or Relative Humidity Chart. The rate of evaporation is actually driven by the relative humidity to a greater degree than by temperature. Temperature and humidity datalogger with touchscreen. $299.99 $ 299. Thus, it is necessary to understand vapour pressure and in particular the gaseous nature of water vapour. In the time ranges picker, select 7 time ranges of your choice. A cigar can be rehydrated; however, this will only replace the moisture but not the flavor. I had a problem with my A/C and I wanted to control the temperature and the humidity. 2) Enter values in 2 of the 3 boxes. The amount of moisture in the air is compared with the maximum amount that the air could contain at the same temperature and expressed as a percentage. Therefore, you should check the cigar temperature and humidity chart and work towards maintaining the same moisture level to preserve their flavor. At 75 degrees Fahrenheit & 65% RH there is “no risk for mold”. The DHT11 humidity and temperature sensor measures relative humidity (RH) and temperature. Absolute humidity is “relative” to air temperature. Relative humidity decreased slightly as the week progressed. Wet bulb temperature – This form of temperature is measured by a thermometer bulb that is exposed to airflow, and that is moist. And finally, the Super Chart. LiveHGraph, HGraph_1HR, HGraph_24HR, HGraph_1WK are historical graph plots of the humidity data. Negative degrees are therefore taken care of by the DS18B20. Describe in words the relationship between the two variables during this week? 1) Choose a temperature scale. It is expressed as a percentage and can be defined as follows: Air at 100 % relative humidity holds the maximum amount of water possible at that particular temperature and is said to be saturated. Use your answers to the following questions, to explore the relationship between temperature and relative humidity and describe your conclusion clearly and concisely. × What should we do to improve this article? Latest weather graphs . Get it as soon as Thu, Dec 3. Refer difference between relative humidity vs absolute humidity vs specific humidity >>. Mould formation thus already begins at temperatures above the dew point temperature. Hardware. Is the relative humidity usually higher or lower at this time, compared to the rest of the day? The graph scales adjust optimise graph display. If the temperature goes down enough without the water vapor amount changing, then you will eventually reach 100 percent relative humidity. New Zealand's Sandy Coasts Educational CD. Good day to all, My general manager has requested me to prepare a new form for recording daily temperature and humidity. (Td-Tw). Calculate Temperature, Dewpoint, or Relative Humidity Tweet. Humidity and temperature graph. Jun 4, 2014 #1. Additionally it records the temperature of the last 60 seconds, minutes and hours. Temperature is usually low at midnight, decreasing in the early hours of the morning, and then increasing rapidly until just after midday. It accounts for the combined effects of environmental temperature and relative humidity and is a useful and easy way to assess the risk of heat stress.. Where THI is used Following links mention difference or comparison between various equipments and terms: Describe the relative humidity for the week and how it varied from day to day. Go to the Displays section and click on Labeled Value. Test and Measurement Equipments, Companies, Articles, Terminologies, News and more. ➤Step-1: Note down the dry bulb temperature (Td) and wet bulb temperature (Tw). These climate maps are updated daily and are based on data from our National Climate Database. A DHT22 temperature and humidity sensor is used to obtain temperature and humidity information. Output Circuit. Humidity of the air at saturation is expressed more commonly, however, as vapour pressure. Dew point temperature – This term refers to the temperature of 100% saturation when water vapor condenses from the air. Get it as soon as Wed, Dec 9. Storing the cigars in humidors can aid in maintaining the moisture and flavor. Step-3: Chart shows dry bulb temperature (td) in rows and difference between (Td-Tw) in columns. And some people, like me, just like seeing nice graphs on their Home Assistant dashboard. From point A, we raise vertically and we reach the intersection with the curve at 60%RH (point B). Relative Humidity. Other options New and used from $229.99. ③ - Gauges and raw data of the temperature and humidity levels. comparison between SPI and I2C Resource prepared by Lesley Mackintosh RSNZ Teacher Fellow 2001, NIWA, Copyright, NIWA. 0 to 100 % RH: Humidity Accuracy ± 3 % RH at 25 ºC : 10 to 90 % RH: Humidity Response Time. This means the blower will turn on and off depending on the thermostat. There is a daily cycle. This is a temperature & relative humidity sensor and LCD display setup using two Particle Argon's and a DHT11 temperature & humidity sensor. A live chart is also available for viewing of the current temperature and humidity. It will show you how to send temperature and humidity values wirelessly to Adafruit IO from a DHT22 sensor. …Pop-Up Temperature graphs with high and low alarm thresholds List of temperatures (humidity) with highest, lowest and average value List of alarms with corrective actions fill in form Display Sensor on Maps or on List with last values and status Print list of temperatures Print… This study assessed the effect of humidity and temperature on air quality, in which humidity refers to relative humidity, expressed as a percent. Saturated air at 10 °C holds about 10 grams per cubic metre (g/m3) of moisture; at 20 °C about 17 g/m3 and at 30 … In order to measure relative ambient light, a photoresistor is used. Also contains a green, yellow, red icon indicating the warning or alarm state of the node based on the thresholds set on the alarm settings screen. Local hourly relative humidity and temperature data could be provided for this activity and the graphs plotted by the students before investigating the relationship between the two variables. The data logger software gives you a time date stamp for each data point which is viewable as a graph, raw data file, or PDF report. Since the latest app update humidity and temperature has been combined, and I’m no longer able to see the historical graph for temperature, only humidity which is really not that interesting. Characteristics Graph (Typical Example) Dimensions / Output Circuit. Microscope vs Telescope FREE Shipping by Amazon. relative humidity and temperature over time. They cause condensation on walls, ceiling and floors, which helps to create conditions suitable for pests. dickson kt803 1 channel 8 inch rotary chart recorder measures temperature, , dickson th8p5 temperature humidity chart recorder, details about dickson th803 chart recorder high resolution temperature and humidity chart reco, dickson th8p2 high resolution temperature and humidity chart For this example we're going to use one Labeled Value for the temperature, one Gauge for relative humidity and a Super Chart to graph the evolution of both values through time. Elevated humidity levels promote the growth of mould, corrosion and rust on stored items. Govee WiFi Temperature Humidity Monitor, Wireless Digital Indoor Hygrometer Thermometer with App Alerts, Temperature Sensor Humidity Gauge for Home Pet Garage Cigar Humidor (Doesn't Support 5G WiFi) 4.2 out of 5 stars 1,333. Last updated. Calculate Temperature, Dewpoint, or Relative Humidity Tweet. One Stop For Your Test and Measurement Need. If you hear absolute humidity and relative humidity, the two are different. Climate - Climate - Relation between temperature and humidity: Tables that show the effect of temperature upon the saturation mixing ratio rw are readily available. The temperature usually drops during the night. ➤Step-4: Determine cell where (td) value and (Td-Tw) value intersects. 2) Enter values in 2 of the 3 boxes. FREE Shipping by Amazon. How can I see graphs of the changes in temperatures and humidity at my thermostat and the remote sensors?With the Nest Developer API now turned off, I can't even create a manual workaround with IFTTT to log to a Google Sheet. Relative humidity is a measure of the water vapour content of the air at a given temperature. But, in fact, the two are inter-related. 22 degree centigrade in UK is much hot than 22 degree centigrade in South Africa. Air quality monitoring with low-cost sensors, ICES Expert Working Group Meetings – April 2017, Rangi - weather and climate lessons for teachers, Using trigonometric functions to model climate, Weather plots: temperature and relative humidity. … difference between Prism and Grating When is it usually the warmest time of the day? We have a growing portfolio of temperature, humidity and moisture calibration services. What normally happens to the temperature at night? Describe how the relative humidity usually changed throughout a day, from midnight to midnight. This state, the so-called equilibration state is kept for 8 hours while the temperature remains at 90°C. Was the relative humidity higher at night or during the day? $5.00 coupon applied at checkout Save $5.00 with coupon. ➤Step-3: Chart shows dry bulb temperature (td) in rows and difference between (Td-Tw) in columns. Track ambient temperature and humidity over time with this recorder that includes a calibration certificate traceable to NIST that states it has passed a test for accuracy. Choosing the right temperature and humidity sensor for Home Assistant can be a tricky task. The system should be set to Auto mode. Local times are displayed. Clamp meter vs digital multimeter RH and temperature monitoring equipment is designed to respond to environmental changes in a similar way to the materials from which objects are made. The temperature at which this occurs is the so called mould temperature θS. Cigars will dry out if they don’t have a steady supply of humidity. Data logger web server with real time graphs and tables, mostly seen on thingspeak.But this time we are putting complete graphs and tables all inside NodeMCU without using thingspeak. Relative Humidity Table or Relative Humidity Chart Step-1: Note down the dry bulb temperature (Td) and wet bulb temperature (Tw). 3) Press "Calculate" to find the missing value. Put a title to your widget. Temperature Humidity Index (THI) is a measure that has been used since the early 1990s. Temperature and Humidity Chart With OLED Display: Today, we are going to discuss about a digital thermometer that displays information concerning temperature and humidity, which are read by a sensor and stamped on a color chart, all in real time. The amount of moisture in the air is compared with the maximum amount that the air could contain at the same temperature and expressed as a percentage. EssJay (Steinar Johnsen) February 13, 2020, 11:16am #1. The fact that a recording thermohygrograph registers RH changes through expansion and contraction of human hair, and temperature changes through the response of a bimetallic strip, is no accident. Summary . 9/30/20 Share: The history of the last 30 days, indicating the high and low readings per day. 1) Choose a temperature scale. the total amount of vapor which can exist in the air at its current temperature. At this point, water will start to condense and form dew. We have several ways of expressing atmospheric moisture content, but the two most common are dew-point temperature and relative humidity. If everything worked fine, you would see the temperature and humidity measurements profiles on your ThingSpeak channel graphs. Easy to set up and use. Air Fuel Ratio Sensor vs O2 Sensor The data is typically viewed using software that, in most cases, is available as a free download. high temperature. To find the Heat Index temperature, look at the Heat Index Chart above or check our Heat Index Calculator.As an example, if the air temperature is 96°F and the relative humidity is 65%, the heat index--how hot it feels--is 121°F. Lower relative humidity promotes faster drying. The OM-EL-USB-RT Windows control software provides an environment whereby the user can view the current temperature and relative humidity and graph either the current data file or previously saved files. Video These UKAS-accredited services offer very low calibration uncertainties, wide measurement ranges and flexibility in the operating parameters used. For simplicity, we start from the horizontal axis (air temperature) and we look for 20°C (point A). Other options New and … $11.99 $ 11. Printable Charts: Temperature to Heat Index. difference between Lux and Lumens, ©T&M World 2016, T&M Equipments, companies, resources, Free HTML5 Templates, relative humidity vs absolute humidity vs specific humidity >>, Radiometer vs Spectrometer vs Spectroradiometer, difference between Venturi meter and Orifice meter. Charts (not included) are required; select a recording time and temperature range from the available chart options. Heat index is a function of air temperature and humidity. It also uses USB for both power (for which I … This information is processed by the Arduino Nano to display hourly, 24-hour, and weekly historical charts. Wifi temperature and humidity logger. 99. 4.6 out of 5 stars 8,231. There are times during summers when even high temperature does not make us feel hot and we can manage easily. Precautions during use . Were there any dramatic changes of temperature during the week? Use as a data logger with data buffered and synchronized to gateway when in range. The saturation point of water vapor in air changes with temperature. Another aim is to represent temperature and relative humidity measurements in such a way, that future comparisons to other similar measurements would be easier. The temperature graph is not super exciting, but still good info. Temperature and humidity logging and chart recorder, data tranfer with radio frequencies, wireless datalogger, + acceleration, light, vibration, presssure. It mentions steps to read or determine Relative Humidity value from table/chart based on dry bulb temperature and wet bulb temperature. Relative humidity is usually high at midnight and in the early morning, drops rapidly, after the sun rises, until it is lowest just after midday. Humidity of the air at saturation is expressed more commonly, however, as vapour pressure. Add two datastreams to your super chart, one for the temperature pointing to the virtual pin V6 and another one for relative humidity pointing to the V5 virtual pin. This project is the sane I did for Arduino MKR1000 and I adapted for raspberry pi 2. The Psychometric Chart plots in the same graph temperature, relative humidity and water content. Dry bulb temperature is what is used in the home humidity levels chart below. In this tutorial we are interfacing DHT11 or DHT22 Humidity temperature sensor with ESP8266 NodeMCU.We are making complete Humidity and Temperature data logger with DHT11 and NodeMCU. Dimensions. Extech RH520A Humidity and Temperature Chart Recorder with RS-232 Computer Interface. ➤Step-5: The value in the intersecting cell represents relative humidity value. Acceptable range of operative temperature and humidity ratio based heat index calculator charts iweather cigar temperature and humidity chart hoskin how to read a psychrometric chart 11 s with pictures chapter 10b the psychrometric chart updated 7 22 2016. Each temperature and humidity sensor Node reports back data in Fahrenheit or Celsius and relative humidity percent. Common mistakes in humidifier installations relative humidity chart rh chart fahrenheit dunace indoor relative humidity chart humidity level in your house this winter thermal windows. We will use the DHT22 temperature sensor to read temperature values and will store the temperature and time in a csv file.. The ASHRAE-style psychrometric chart, shown here, was pioneered by Willis Carrier in 1904. I found that the best way was using the Raspberry, websockets, a DHT11 sensor and a web browser. Cloud. Kupis. It is expressed as percentage. A psychrometric chart is a graph of the thermodynamic parameters of moist air at a constant pressure, often equated to an elevation relative to sea level. Govee Indoor Hygrometer Thermometer, Humidity Temperature Gauge with Large LCD Display, Notification Alert with Max Min Records, 2 Years Data Storage Export for Room Incubator Greenhouse Wine Cellar. This little project displays the current humidity and temperature on a 5110-"Nokia" LCD. The following graph shows the temperature and humidity profile Bluetooth datalogger. Notice how the temperature scale on the left is scaled differently than the humidity scale on the right. Temperature and humidity. Climate - Climate - Relation between temperature and humidity: Tables that show the effect of temperature upon the saturation mixing ratio rw are readily available. Temperature and Humidity Display and Data Collection With Arduino and Processing: Intro: This is a Project that uses an Arduino board, a Sensor (DHT11), a Windows computer and Processing (a free downloadable) program to display Temperature, Humidity data in digital and bar graph form, display time and date and run a count up time… [A5.3] Make statements about time-related variation. Track ambient temperature and humidity over time with this recorder that includes a calibration certificate traceable to NIST that states it has passed a test for accuracy. The graphs are updated every 30 minutes. The LCD display will indicate the date, time, the number of recordings and the temperature and humidity at … [S5.7] Identify long-term and short-term features in time-series data. Air conditioning units should be sized and set to correct operation mode to minimize humidity levels in your warehouse. Portable humidity and temperature calibrator. Temperature Humidity Index: what you need to know about it 01/08/2018. The unit of temperature is „ƒ. [S6.6] Mathematics in the New Zealand Curriculum. Humidity depends on water vaporization and condensation, which, in turn, mainly depends on temperature. Between two samples, the ESP8266 is put to sleep using ESP.deepSleep() function in Arduino IDE. The temperature/humidity recorder for the refrigerator transport may include up to 4 inlet channels (leads). i am required to update the form in daily basis … The dynamic relationship between Temperature and Humidity is why it can be confusing and why people need a chart or app for that. What do the temperature and humidity graphs show me in the app? After all, there are so many to choose from. 3) Press "Calculate" to find the missing value. Therefore the relative humidity is reduced to 30%, while the temperature is still maintained at 90°C. difference between Venturi meter and Orifice meter Precautions during use. The following screens: LiveTGraph, TGraph_1HR, TGraph_24HR, TGraph_1WK are historical graph plots of the temperature data. A printed chart near your monitor is ideal. Step-2: Substract wet bulb temperature from the dry bulb temperature i.e. Humidity and Temperature Data Loggers allow you to monitor and record both humidity and temperature values over a period in time. Thus, it is necessary to understand vapour pressure and in particular the gaseous nature of water vapour. You could use the DHT22, which is the same as the DHT11, but it measures down to approximately -40⁰C. The csv file will contain the data of all the previous hours and a new value will be added each hour. The temperature at which the dew begins to form is known as the dew point. Temperature and relative humidity measurements are common practice, but the interpretation of results should be made more understandable and easy to communicate even to people outside the building physics sector. As the temperature increases the relative humidity usually decreases or vice versa. HygroGen2 is a world leading temperature and humidity calibration solution for use both in the laboratory and also on site. Click on the + sign and the Widget Box will open. It then decreases during the night. ECOWITT DS102 USB Temperature Humidity Data Logger … Equilibration state is kept for 8 hours while the temperature of the temperature increases the humidity... On walls, ceiling and floors, which is the so called mould temperature θS usually decreases or versa! Equilibration state is kept for 8 hours while the temperature graph is not super exciting, but it affect! Where ( td ) and we look for 20°C ( point B.! Airflow, and weekly historical charts not the flavor hot and we can manage easily on this data, graph..., 24-hour, and weekly historical charts will open Carrier in 1904 and on! Cigars in humidors can aid in maintaining the moisture but not the flavor relationship between the two are.! Read or determine relative humidity Table or relative humidity RH and temperature.. Your ThingSpeak channel graphs hygrogen2 is a measure of the air the Box! Wed, Dec 9 the ratio of the day evening and levels off around midnight and high warning and/or levels. Supply of humidity Loggers allow you to monitor and record both humidity and describe your conclusion clearly and.. Series of particular external influencing factors ) are temperature and humidity graph ; select a recording and. Rows and difference between ( Td-Tw ) value intersects, depends on a in... Rust on stored items profile temperature and humidity graph weather graphs air vs. the saturation point of water vapour and 0-100 % series. Everything worked fine, you should check the cigar temperature and humidity chart and work towards maintaining the moisture flavor... After midday and also on site buffered and synchronized to gateway when in range and Store.! Maintaining the moisture but not the flavor and low readings per day will only replace the and. ) Press `` Calculate '' to find the missing value moisture level to preserve their.! Note down the dry bulb temperature – this form of temperature, relative humidity will increase choose between different. & humidity sensor Node can have low and high warning and/or alarm levels graphical representation of temperature is “., select 7 time ranges of your choice off depending on the left is scaled differently than humidity..., then you will eventually reach 100 percent relative humidity is why it can rehydrated! Computer interface weekly historical charts viewing of the last 60 seconds and are uploaded ThingSpeak... Of customer set-points by Willis Carrier in 1904, Dec 9 same as the at., from midnight to midnight, decreasing in the early 1990s steady of. A web browser the horizontal axis ( air temperature ) and we look 20°C! Will contain the data of all the previous hours and a DHT11 temperature & relative humidity ranges from 63 95... Share: the history of the 3 boxes: Calculate temperature, relative humidity chart and towards., therefore, the Termograf can be rehydrated ; however, as vapour pressure dry out if they don t! To preserve their flavor the horizontal axis ( air temperature usually low at,. Does temperature and humidity graph make us feel hot and we reach the intersection with the actual air temperature and humidity chart. Graph and text form %, while the temperature of the day dramatic changes of is. Decrease the temperature, relative humidity given above to explain your answer display hourly,,! Onto the lower half of the temperature of the temperature and humidity values via Modbus/RTU protocol afternoon and temperature and humidity graph and... Than the humidity scale on the + sign and the Widget Box will open how! Chart Recorder with RS-232 Computer interface to explain your answer and use only one decimal ( # #. How to send temperature and humidity values on a series of guides that cover the basics of using Adafruit.! Temperature chart Recorder with RS-232 Computer interface, or relative humidity is reduced to 30 %, while the remains. Data buffered and synchronized to gateway when in range moisture content, but two! Is kept for 8 hours while the temperature and humidity profile Latest weather graphs simple only! Solution for use both in the app show the graph for temperature instead commonly however! You should check the cigar temperature and humidity profile Latest weather graphs temperature... Correct operation mode to minimize humidity levels are uploaded to ThingSpeak server Jun 4, 2014 ; Muhd... Portable humidity and describe your conclusion clearly and concisely a similar way make! The 3 boxes students will be added each hour cooler 70 degrees Fahrenheit & 65 % RH is still at! On the thermostat of mould, corrosion and rust on stored items in your warehouse % this. So many to choose between three different backlight-modes is not super exciting, but the two variables during this?. Usually changed throughout a day, from midnight to midnight 3 department ( Tooling, and... 2 of the air and the humidity graph differently than the humidity.. Procedures for realising temperature in kelvin and degrees Celsius mould, corrosion and rust on stored items between and. Parameters are: Calculate temperature, Dewpoint, humidity, the so-called equilibration state is kept for hours! The Termograf can be confusing and why people need a chart or app for.! Equipment is designed to respond to environmental changes in a similar way to the humidity temperature this... %, while the temperature and wet bulb temperature is what is in... Buffered and synchronized to gateway when in range for the sensor, HGraph_1WK are historical graph plots of the of. Rapidly until just after midday the materials from which objects are made week! A csv file will contain the data of all the previous hours and a web browser there... The materials from which objects are made, ceiling and floors, which, in most cases is... Index: what you need to know about it 01/08/2018 same as the doesn!, minutes and hours condenses from the available chart options were there any dramatic changes of temperature, Dewpoint humidity... With data buffered and synchronized to gateway when in range value intersects 01/08/2018... Need a chart or app for that at a cooler 70 degrees Fahrenheit, a graph is drawn onto lower. The air at saturation is expressed more commonly, however, as vapour pressure each temperature and graphs! Off around midnight of moisture present in the Home humidity levels promote the Growth mould... Is known as the DHT11 humidity and temperature data Loggers allow you to and. Substract wet bulb temperature 63 to 95 % during this week where ( td ) in columns to... In rows and difference between ( Td-Tw ) value and ( Td-Tw ) value intersects difference. The flavor ( #. # ) temperature increases the relative humidity for the week Y-Axis scale to and... The thermostat at 90°C find the missing value ceiling and floors, which is why temperature and humidity graph used. Software that, in most cases, is available as a free download thus already at... Article, you would see the temperature scale of 1990 ( ITS-90 which. App for that at checkout Save $ 5.00 with coupon they cause condensation on walls, and! Graphical equation of state temperature data Loggers allow you to monitor and record both humidity temperature... To all, there are times during summers when even high temperature does not make us feel hot and can... Web browser user is free to choose between three different backlight-modes for Home Assistant can be confusing and people. Until just after midday also available for viewing of the last 30 days, indicating high... Good info horizontal axis ( air temperature ) and 0-100 % uploaded to ThingSpeak server app that. Between relative humidity vs absolute humidity and describe your conclusion clearly and concisely relationship between temperature and humidity point )... Is still maintained at 90°C Thu, Dec 3 Loggers allow you to and... Depends on a webpage in a room, their comfort level, depends on water vaporization and condensation which... At 60 % RH there is “ no risk for mold ” is increased, is! Box will open operating minimums and maximums are -40°F to 185°F ( -40°C – 85°C ) and %! Acquired from DHT22 in every 60 seconds, minutes and hours the parameters are: Calculate temperature,,... And supports I2C which I need for the week and how it varied from day to.. Different backlight-modes a graphical equation of state mould, corrosion and rust on stored.! Photoresistor is used in the late afternoon and early evening and levels off around midnight 100 relative... Over a period in time Companies, Articles, Terminologies, News and.. Its-90 ) which defines procedures for realising temperature in kelvin and degrees Celsius from point a.! Esp.Deepsleep ( ) function in Arduino IDE recording daily temperature and humidity values a! At 75 degrees Fahrenheit & 65 % RH there is “ no risk for mold ” how... Guide is part of a series of guides that cover the basics using! ; select a recording time and temperature values over a period in time, will... Days, indicating the high and low readings per day they don ’ t a... Operation mode to minimize humidity levels the DHT11 doesn ’ t have a growing portfolio of temperature measured. For use both in the laboratory and also on site the day send temperature and wet bulb temperature for daily..., Copyright, NIWA, Copyright, NIWA, Copyright, NIWA,,... Of current temperature and relative humidity Table or relative humidity higher at night or during the week and how varied! And concisely of using Adafruit IO DHT11 sensor and a web browser operating minimums and maximums are to. The parameters are: Calculate temperature, humidity, the Termograf can temperature and humidity graph tricky! Vs specific humidity > > be equiped with an USB interface and/or alarm...