{"id":20492,"date":"2023-07-27T09:43:15","date_gmt":"2023-07-27T09:43:15","guid":{"rendered":"https:\/\/bravocontrols.com\/?post_type=product&#038;p=20492"},"modified":"2026-03-19T05:16:40","modified_gmt":"2026-03-19T05:16:40","slug":"humidity-sensor-with-waterproof-connector","status":"publish","type":"product","link":"https:\/\/bravocontrols.com\/zh\/shop\/humidity-sensor-with-waterproof-connector\/","title":{"rendered":"Humidity Sensor with Waterproof Connector"},"content":{"rendered":"<h3>Humidity Sensor With Waterproof Connector<\/h3>\n<p>This OEM Humidity Sensor with waterproof connector is designed for wet and dirty environments. The I2C sensor is over molded into a plastic housing which in turn plugs into a waterproof connector. This rugged sensor is good for a wide range of applications, from everyday settings like pools, aquariums, and agricultural setups to extreme environments such on the ski hill in snow making equipment.<\/p>\n<p>Building on a decade of experience providing humidity sensing solutions to OEMs handling the most demanding applications, this sensor serves as an OEM solution and, therefore, requires an interface to your CPU using the I2C protocol.<\/p>\n<p>If the sensor should have problems you can quickly swap the module out with a new one using no tools, just pull the sensor off and plug in a new one.<\/p>\n<p>The compact sensor easily fits into tight OEM spaces like ducts and small equipment nooks for easy to install.<\/p>\n<p>There is a sintered stainless steel filter covering the sensor which provides an extra level of protection against drops and dust yet allows vapor to pass to the sensing element.<\/p>\n<p>4th Gen. High-Accuracy, Ultra-Low-Power, 16-bit, Relative Humidity and Temperature Sensor from Sensirion, SHT40 series sensing element.<\/p>\n<h3><a href=\"https:\/\/bravocontrols.com\/wp-content\/uploads\/2023\/07\/HumWaterProofConnector-3-282x800-1.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-21650 size-full\" src=\"https:\/\/bravocontrols.com\/wp-content\/uploads\/2023\/07\/HumWaterProofConnector-3-282x800-1.jpg\" alt=\"\" width=\"282\" height=\"800\" srcset=\"https:\/\/bravocontrols.com\/wp-content\/uploads\/2023\/07\/HumWaterProofConnector-3-282x800-1.jpg 282w, https:\/\/bravocontrols.com\/wp-content\/uploads\/2023\/07\/HumWaterProofConnector-3-282x800-1-132x375.jpg 132w, https:\/\/bravocontrols.com\/wp-content\/uploads\/2023\/07\/HumWaterProofConnector-3-282x800-1-32x90.jpg 32w, https:\/\/bravocontrols.com\/wp-content\/uploads\/2023\/07\/HumWaterProofConnector-3-282x800-1-28x80.jpg 28w, https:\/\/bravocontrols.com\/wp-content\/uploads\/2023\/07\/HumWaterProofConnector-3-282x800-1-53x150.jpg 53w\" sizes=\"(max-width: 282px) 100vw, 282px\" \/><\/a><\/h3>\n<p><strong>Use this sensor with any CPU, see our <\/strong>\u00a0<a href=\"https:\/\/bravocontrols.com\/shop\/humidity-and-temp-transmitters\/\" target=\"Humidity &amp; temp transmitters\" rel=\"noopener noreferrer\">\u6e7f\u5ea6\u548c\u6e29\u5ea6\u53d8\u9001\u5668<\/a> for the typical electronics required to turn the I2C sensor into a 0-10V signal or communicate over RS485.<\/p>\n<p>&nbsp;<\/p>\n<p>I2C Quick Start \u2013 Hello World<br \/>\nFigure 1 (left-hand side) shows a typical application circuit for the SHT40.<\/p>\n<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:734c0a3a-07af-430d-99d1-f755e31d6c0e-5\" data-testid=\"conversation-turn-12\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"1ab555dc-c230-494d-9619-bd825dbd4682\" data-message-model-slug=\"gpt-5\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words dark markdown-new-styling\">\n<p data-start=\"0\" data-end=\"97\" data-is-last-node=\"\" data-is-only-node=\"\">After minimal supply voltage and a 1 ms power-up, the sensor becomes ready for I2C communication. Figure 1 (right-hand side) pseudo-codes the quickest way to measure humidity and temperature. Together with the conversion formulae given in equations ( 1 ), ( 2 ), and ( 3 ), the digital signals can be translated into relative humidity and temperature readings.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<p>Pseudo code<br \/>\ni2c_write(i2c_addr=0x44, tx_bytes=[0xFD])<br \/>\nwait_seconds(0.01)<br \/>\nrx_bytes = i2c_read(i2c_addr=0x44,<br \/>\nnumber_of_bytes=6)<br \/>\nt_ticks = rx_bytes[0] * 256 + rx_bytes[1]<br \/>\nchecksum_t = rx_bytes[2]<br \/>\nrh_ticks = rx_bytes[3] * 256 + rx_bytes[4]<br \/>\nchecksum_rh = rx_bytes[5]<br \/>\nt_degC = -45 + 175 * t_ticks\/65535<br \/>\nrh_pRH = -6 + 125 * rh_ticks\/65535<br \/>\nif (rh_pRH &gt; 100):<br \/>\nrh_pRH = 100<br \/>\nif (rh_pRH &lt; 0):<br \/>\nrh_pRH = 0<\/p>\n<p>See more detailed info on the Sensirion SHT40 series sensor element here: <a href=\"https:\/\/www.sensirion.com\/media\/documents\/33FD6951\/640B22DB\/Datasheet_SHT4x.pdf\">Sensirion SHT40<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>This is a highly durable and stable stable humidity and temperature sensor mouned in a waterproof connector housing. This can be used in applications such as agricultural and extreme outdoor environments.<\/p>","protected":false},"featured_media":20772,"template":"","meta":{"_acf_changed":false,"publish_to_discourse":"","publish_post_category":"","wpdc_auto_publish_overridden":"","wpdc_topic_tags":"","wpdc_pin_topic":"","wpdc_pin_until":"","discourse_post_id":"","discourse_permalink":"","wpdc_publishing_response":"","wpdc_publishing_error":""},"product_cat":[105],"product_tag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.7 (Yoast SEO v22.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OEM Humidity Sensor with waterproof connector<\/title>\n<meta name=\"description\" content=\"Discover our OEM Humidity I2C Sensor with waterproof connector. 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