I thought it would be nice to get humidity too, so i needed a sensor. Well, in my experience capacitative humidity sensors require extra calibration and fine tuning. They are also useful in all applications where humidity. Based on a unique capacitive cell, these relative humidity sensors are. The sensor s design is based on a unique capacitive cell. October 20 621 htu21df sensor as a humidity sensitive component as classified by ipcjedec jstd020 or equivalent. Its fairly simple to use, but requires careful timing to grab data. Relative humidity module hm 1500 based on the rugged hs1101 capacitive humidity sensor, hm1500 is a dedicated humidity transducer designed for oem applications where a reliable and accurate measurement is needed.
Relative humidity sensor, hs1101 datasheet, hs1101 circuit, hs1101 data sheet. For more precise measurements, use a known humidity meter and adjust the rhconstant value in relativehumidityreading. I also omitted the 220 ohm resistor in the pdf because the hw board has them built in. Hs1101 datasheet34 pages humirel relative humidity sensor. Hs1101 datasheet34 pages humirel relative humidity. Relative humidity becomes an important factor when looking for comfort. Relative humidity sensor hs 1100 hs 1101 based on a unique capacitive cell, these relative humidity sensors are designed for high volume, cost sensitive applications such as office automation, automotive cabin air control, home appliances, and industrial process control systems. Pdf design of the temperature and humidity instrument based on.
Due to the characteristics of capacitor type humidity sensor, the system can respond to humidity change very fast. Second, the humidity sensor is easily replaceable since it just plugs into the sensor lead but for whatever reason inkbird doesnt sell the replacement sensors. The ratio of moisture in the air to the highest amount of moisture at a particular air temperature is called relative humidity. October 2012 66 ordering information hpp801a031 multiple package quantity of 48 pieces hs1101lf capacitive relative humidity sensor to distinguish hs1101 from hs1101lf, hs1101lf is designed with a black plastic cap. April 2008 66 ordering information hpp801a031 multiple package quantity of 48 pieces hs1101lf capacitive relative humidity sensor to distinguish hs1101. Digital humidity sensor with lcd display using microcontroller. The single humidity sensor is housed in the appliance h8800 or it can be. Something funny the hs1101 humidity sensors does youtube. Humirel, alldatasheet, datasheet, datasheet search site for electronic components and. Adding 50 cm of wire would add enough capacitance to overwhelm what you are trying to measure. Hs1101 pdf, hs1101 description, hs1101 datasheets, hs1101. You can see it varies from 163 pf for 0% humidity to 201 pf for 100%. Based on the rugged hs1101 capacitive humidity sensor, hm1500 is a dedicated humidity transducer designed for. Capacitive humidity sensor hs1101 hs1101lf lead free component high reliability and long term stability patented solid polymer structure suitable for linear voltage or frequency.
This circuit uses the pic12f683 with an internal 4mhz clock, a texas instruments tlc555, and a humirel hs1101 humidity sensor. To distinguish hs1101lf from hs1101, hs1101lf is designed with a black plastic cap. Hs1101 datasheet pdf relative humidity sensor humirel. Attached is a graph showing capacitance vs humidity for the hs1101. Capacitance based humidity sensor microcontroller eewiki. Using the hs1101 humidity sensor with an arduino example. Technical data2characteristics contdproportional voltage output circuit160165170175180185 datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. The hs1100 hs1101, used as variable capacitor, is connected to the trig and thres pin. April 2008 66 ordering information hpp801a031 multiple package quantity of 48 pieces hs1101lf capacitive relative humidity sensor to distinguish hs1101 from hs1101lf, hs1101lf is designed with a black plastic cap customer service contact details measurement. Pdf this paper is presented a temperature and humidity instrument based on 1 wire sensors. Hs1101 relative humidity sensor components datasheet pdf data sheet free from datasheet data sheet search for integrated. Hs1101 datasheet, hs1101 pdf, hs1101 data sheet, datasheet, data sheet, pdf, humirel, relative humidity sensor. Hs1100 hs1101 sensors are lead free components hs1100 hs1101 sensors are free of cr vi, cd and hg. The hs1101 humidity sensor is a costeffective solution for measuring relative humidity within 5% accuracy.
The hs1101 humidity sensor is a solution for measuring relative humidity within 5% accuracy. Technical data3frequency output circuitshpc001 rev. Humidity sensor hs1101lf measurement specialties pdf. The results show that as the relative humidity ranges from 10% rh to 90% rh, the proposed humidity sensor achieves a high sensitivity of 0. Storage and handling guidelines 4 application in extreme environments some applications require usage of the hdc in harsh environments. Sensor oscillator calibration data are traceable to nist standards through cetiat laboratory. Relative humidity measurement using the humirel hs1101 sensor. Relative humidity sensor hs 1100 hs 1101 based on a unique capacitive cell, these relative humidity sensors are designed for high. Hs1101 datasheet44 pages humirel relative humidity sensor. Relative humidity module hm 1500 based on the rugged hs1101 capacitive humidity sensor, hm1500 is a dedicated humidity transducer designed for oem applications where a. The sensors design is based on a unique capacitive cell. Hs1101 datasheet44 pages humirel relative humidity.
The dht22 is a basic, lowcost digital temperature and humidity sensor. This sensor consists of a capacitor which varies with relative humidity and is used in a 555 circuit to generate a pulse train of frequency related to relative humidity. Relative humidity transducer humidity transducer hm1500lf. Since the charge and discharge of the sensor run through different resistors, r2 and. Electronics free delivery possible on eligible purchases. Hr202 is a new kind of humidity sensitive resistor made from organic macromolecule materials, it can be. Hs1101 humidity sensor 2pin based on a unique capacitive cell, these relative humidity sensors are designed for high volume, cost sensitive applications such as office automation, automotive cabin air control, home appliances, and industrial process control systems.
Technical data relative humidity sensor hs1100 hs1101 1 based on a unique 1 capacitive cell, these relative humidity sensors are designed for high volume, cost sensitive. Im using this sensor and the demo come it comes with on a seminew bs2 usb hw board. The hs1101 is a capacitive type sensor that will operate from 199% relative humidity. Based on a unique capacitive cell, these relative humidity sensors are designed for high volume, cost.
This discussion focuses on a relatively simple technique for measuring relative humidity using a humirel hs1101 sensor. The hs1101 is a capacitive type sensor that can operate from 0% to 100% relative humidity. Dfrobot dht22 temperature and humidity sensor is one that contains the compound has been calibrated digital signal output of the temperature and humidity sensors. October 2012 66 ordering information hpp801a031 multiple package quantity of 48 pieces hs1101lf capacitive relative humidity sensor to distinguish hs1101. High precision capacitive type full range temperature compensated relative humidity and.
Hs1101 datasheet, hs1101 datasheets, hs1101 pdf, hs1101 circuit. Humirel relative humidity sensor,alldatasheet, datasheet, datasheet search site for electronic. Pdf this paper is presented a temperature and humidity instrument based on 1wire sensors. Hs11xx hs1101 ic1 7555 hm1510 tlc555 humidity hs1101 sensor hs1101 humidity sensor voltage output hs1101 humirel 7555 harris text. Pin 7 is used as a short circuit pin for resistor r4. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin no analog input pins needed. For ionic sensing materials, if the humidity increases, the conductivity decreases and the dielectric constant increases. Hs1101 datasheet, hs1101 pdf, hs1101 data sheet, hs1101 manual, hs1101 pdf, hs1101, datenblatt, electronics hs1101, alldatasheet, free, datasheet, datasheets, data.
Humidity is defined as the amount of water present in the surrounding air. The circuit is shown in figure 2, and a complete parts list is provided in the appendix. Hs1101 relative humidity sensor based on a unique capacitive cell, these relative humidity sensors are designed for high volume, cost sensitive applications such as office automation. Using an hs1101 humidity sensor arduino forum index. Based on a unique capacitive cell, these relative humidity sensors are designed for high volume, cost sensitive applications such as office automation, automotive cabin air control, home appliances, and industrial process control systems. Unfortunately, i went cheap and didnt research this enough. Digital humidity sensor with lcd display is used to measure the relative percentage of water vapors in air.
Single sensor or a remote probe up to 500 h8800 the h8800 from gri is a single sensor programmable humidity monitoring security device. Hs1101 capacitive humidity sensor is interfaced with pic16f877a microcontroller to measure humidity and lcd is used to display percentage humidity. Using several measurements taken in a humidity controlled. Htu21df sensor digital relative humidity sensor with. Ensure that the exposure of the sensor to the maximum limit of temperature and humidity. Humidity sensor is one of the most important devices that has been widely in consumer, industrial, biomedical, and environmental etc. I currently have both dht11 and hs1101 actually a htf3223 module, and i have the following readings at the moment. Direct interface with a microcontroller is made possible with the modules linear voltage output.
A humidity sensor or hygrometer senses, measures and reports both moisture and air temperature. Hs1101 datasheet24 pages humirel relative humidity sensor. As described above, the humirel hs1101 humidity sensor. Humirel, alldatasheet, datasheet, datasheet search site for. Direct input to a controller or other device is made possible by this sensors near linear voltage output. Since the hs1101 relative humidity sensor is based on a capacitive cell, relative humidity can be related to the decay time of the sensor. Jun 07, 2017 humidity sensor is one of the most important devices that has been widely in consumer, industrial, biomedical, and environmental etc. Got these the other day, sat them on the desk just as the were packaged, and they flipped, thought how interesting, so i recorded it. The hh10d relative humidity sensor module is comprised with a capacitive type humidity sensor, a cmos capacitor to frequency converter and an eeprom used to holding the calibration factors. The source code written in c is provided in an accompanying zipped file. Hs1100 hs1101 sensors have been qualified through a complete qualification process taking in account many of the. High precision capacitive type full range temperature compensated relative humidity and temperature measurement c alibrated digital signal o utstanding longterm stability e xtra components not needed l ong transmission distance, up to 100 meters.
Technical data4 qualification process hs1100 hs1101 sensors have been qualified through a complete qualification process taking in account many of therequirements of the mil std750 including. With a typical current draw of only 200 a, the hih4000 series is often ideally. To distinguish hs1101 from hs1101lf, hs1101lf is designed with a black plastic cap. Using this unit at such high humidity i keep it set at 95% means that there is a lot of condensation and eventually that condensation will short out and ruin the sensor. Hih4000 series integrated circuit humidity sensor, 2,54 mm 0. Sensor letters 2005, 3, 114 lee and lee humidity sensors. This water content in the air is a key factor in the wellness of mankind. Relative humidity sensor hs1100 hs1101 1 based on a unique 1 capacitive cell, these relative humidity sensors are designed for high volume, cost sensitive applications such as office automation, automotive cabin air control, home appliances, and industrial process control systems. Very small change in capacitance and very small capacitance all together. Hs1100 hs1101 sensors are lead free components hs1100 hs1101 sensors. Unlike its 1st cousin, the t8800, used for temperature sensing, the h8800 has one sensor to detect and report relative humidity. Based on the rugged hs1101lf capacitive humidity sensor, hm1500lf is a dedicated humidity transducer designed for oem applications where a reliable and accurate measurement is needed.
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