Sht21, the new humidity and temperature sensor of sensirion is about to set new standards in terms of size and intelligence. Pricing and availability on millions of electronic components from digikey electronics. It is however important to check the voltage levels of the sensors used, and to compare those to the bus levels from the arduino boards. Sht75 sensirion datasheet and cad model download octopart. Sht3x series thus combines multiple functions and various interfaces with a userfriendly and very wide operating voltage range of 2. Temperature, pressure, humidity, flow all this you have under control with the sensirion components, the top quality swiss producer. Compare pricing for sensirion sht21 across 18 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. Roadmap of product launch first samples of sht21 are planned to be available by 3q2009. I have added a file documentationhwmon sht21 to the patch. Sensirion ag sht21 400 temperature and humidity sensors. Sht11 by sensirion ag temperature and humidity sensors. The sht21 digital humidity and temperature sensor is fully calibrated and offers high precision and excellent longterm stability.
Sht3x series temperature and humidity sensors sensirion. Due to the low mounted height of the dfn, no cleantype 3 solder paste11 is recommended as well as nitrogen datasheet search, datasheets, datasheet. Sensirion sht3x series offers nextgeneration temperature and humidity sensors. View datasheets, stock and pricing, or find other temperature and humidity sensors. Sht21 sensirion temperature and humidity sensor, 0 to 100. Sht21 sensirion temperature and humidity sensor, 0 to. The sht21 humidity and temperature sensor of sensirion. Sht21 doac4 adhesive fillet sht2x housing membrane oring sf2 air exchange to be avoided to. The sht31 smart gadget is a reference design and development kit which demonstrates the outstanding performance and ease of use of sensirion s humidity and temperature sensors.
May 23, 2016 library and example sketch for temperature and humidity sensor sht21 sensirion works with arduino, esp8266. This device provides calibrated, linearized sensor signals in digital i2c format. This document is applicable to all sensirion shtxx humidity. Sht21 sensirion, temperature and humidity sensor, 0 to 100.
The device is free of pb, cd and hg hence it is fully rohs and weee compliant. Version 3 december 2011 414 2 centered on the thermal land area. Sf1 datasheet pdf vorlage 5 pages, 162 kb 20061004 view sf1 as design reference 52 pages, 1681 kb 20171106 view sf1 other datasheet pdf 4 pages, 262 kb view. Sensirion ag sht21 temperature and humidity sensors. Datasheet humidity and temeperature sensor sht21 sensirion. Given that it is based on linux, all sensirion products that have drivers are supported. Sensirion ag sht11 temperature and humidity sensors. Humiditytemperture sensor online from elcodis, view and download sht21 pdf datasheet, humidity, moisture specifications. Sample code for sht21 supporting communication software. Drawing of sht21 sensor package, dimensions are given in mm 1mm. Most arduino boards are using 5v logic levels, while some sensirion parts like for example the shtc1shtw2 series operate at 1.
For manual soldering contact time must be limited to 5 seconds at up to. View sht3xdis series datasheet from sensirion ag at digikey. Digital temperature and humidity sensor replace sensirion. Raspberry pi is an inexpensive yet relatively powerful platform, capable of running a full linux distribution. Library and example sketch for temperature and humidity sensor sht21 sensirion works with arduino, esp8266. Sensirion sensor solutions offer an accurate and stable monitoring of co 2 in the air, as well as temperature and humidity.
Search results for sht21 on futureelectronics northamerica site. The sht21 sensor contains capacitive type humidity sensor, band gap temperature sensor and specialized analogue and digital integrated circuit on a. Temperature and humidity sensor htu21 description htu21d, the new humidity and temperature sensor of meas is about to set new standards in terms of size and intelligence. Digital humidity sensor pin to pin replace sensirion sht21 htu21. At the point of writing this, most arduino boards should be fully compatible with the sensirion i 2 c and analog sensors. Sensirion sht2x series contains a low cost version with the sht20, a standard version with the sht21 and a high end version with the sht25. Humidity sensor, 2%, 3v, 0% to 100% relative humidity, dfn, 6pins, 8 s. Buy sht21 400 with extended same day shipping times.
This library works with temperature and humidity sensor sht21 sensirion both tested with arduino and esp8266. Sensirion shtxx are relative humidity and temperature. With sensirion humidity and temperature sensors you can be sure of what you measure. Embedded in a reflow solderable dual flat no leads dfn package of 3 x 3mm foot print and 1. Version 1 december 2011 34 recommended adhesives when choosing an adhesive for application with sht2x. The sht21 is an i2c temperature and humidity sensor from sensirion. The sht2x series consists of a lowcost version with the sht20 humidity sensor, a standard version with the sht21 humidity sensor.
Sensirion sht2x series contains a costeffective version with the sht20, a standard version with the sht21 and a highend version with the sht25. Download the free library loader to convert this file for your ecad tool. Handling and assembly of sf2 filter cap for use with sht2x. S6nsirion tm stnsor company datasheet sht21 humidity and temprature sensor ic fully calibrated digital output, pc interface low power consumption excellent long term stability dfn type package reflow solderable product summary sht21, the new humidrty and temprature sensor of sensirion is about to set new standards m terms of size and intelligence. The sht3x series contains a lowcost version sht30 and a standard version, sht31. Sht21 by sensirion ag temperature and humidity sensors. In no case, neither after manual nor reflow soldering, a board wash. Compare pricing for sensirion sht75 across 11 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. Sensitron, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
Please note that this is a preliminary datasheet all. The relationship among the procedures is given in figure 1. Version 5 december 2011 112 datasheet sht1x sht10, sht11, sht15 humidity and temperature sensor ic fully calibrated digital output low power consumption excellent long term stability smd type package reflow solderable dimensions figure 1. Embedded in a reflow solderable dual flat no leads dfn package of 3 x 3mm foot print and 1mm height it provides calibrated. Sht21400 by sensirion ag temperature and humidity sensors. This may affect price, shipping options and product availability. The company now employs people in various countries such as the usa, south korea, japan, china, taiwan, and germany. Product announcement july 2010, sensirion ag, 8712 staefa, switzerland sht21 humidity sensor aecq100 reliability confirmed again sensirion s new sht21 humidity and temperature sensor has now been qualified in accordance with the aecq100 automotive standard. From the menu bar, select sketch import library arduinosht. The sht21 is a surface mount temperature and humidity sensor of sensirion has become an industry standard in terms of form factor and intelligence, embedded in a reflow solderable dual flat no leads dfn package of 3 x 3mm foot print and 1. With more than 15 years experience in the development and supply of environmental and flow sensor solutions, we lead the field in sensor technology. In setup, make sure to init the wire library with wire. The complete overmolding with the exception of the humidity sensor area protects the capacitive humidity sensor against external impact and facilitates excellent longterm stability.
The headquarters in switzerland is responsible for research, development, and production. It comes with a number of interfaces usb, audio, ethernet, hdmi and there is a vast amount of projects, tutorials, and documentations available. The demo sketch puts out the current temperature celsius and humidity %rh values via the serial port. Sensirion the sensor company measurement the described effect is actually welcome effective value to control. T l sensirion sht21 though multiplexer tca9548a using i2c and python. Create an instance of the shtsensor class shtsensor sht. Sht21 sensirion, temperature and humidity sensor, 0 to 100%. The sht21 is a standard version humidity and temperature sensor ic in 6 pin dfn package. In no case, neither after manual nor reflow soldering, a board wash shall. Sht21 datasheet, sht21 pdf, sht21 data sheet, sht21 manual, sht21 pdf, sht21, datenblatt, electronics sht21, alldatasheet, free, datasheet, datasheets, data sheet. Founded in 1998 sensirion has become the leading manufacturer of flow and environmental sensors solutions. Jan 07, 2011 only thing missing is documentationhwmon sht21.
It has become an industry standard in terms of form factor and intelligence. Drawing of sht1x sensor packaging, dimensions in mm 1mm 0. Sensirion shall repair andor replace this product, in sensirion s discretion, free of charge to the buyer, provided that. Humidity and temperature sensor, sht21 datasheet, sht21 circuit, sht21 data sheet. Sht21 sensirion datasheet and cad model download octopart. Sensitron, alldatasheet, datasheet, datasheet search site for electronic. Speedup your development with sht31 humidity and temperature sensor. Datasheet differential pressure sensor sdp1108 sensirion. For manual soldering contact time must be limited to 5. Pricing and availability on millions of electronic components from digikey.
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