{"id":108623,"date":"2023-09-19T18:00:59","date_gmt":"2023-09-19T16:00:59","guid":{"rendered":"https:\/\/34.38.16.0\/?p=108623"},"modified":"2026-06-26T08:47:02","modified_gmt":"2026-06-26T06:47:02","slug":"measuring-relative-humidity-capacitive-or-psychrometer","status":"publish","type":"post","link":"https:\/\/lsi-lastem.com\/es\/measuring-relative-humidity-capacitive-or-psychrometer\/","title":{"rendered":"Measuring relative humidity: capacitive element or psychrometer?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"108623\" class=\"elementor elementor-108623 elementor-36366\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c6d43ed e-flex e-con-boxed e-con e-parent\" data-id=\"c6d43ed\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-14a6c75 elementor-widget elementor-widget-heading\" data-id=\"14a6c75\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Measuring relative humidity: capacitive element or psychrometer?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3330b5c elementor-widget elementor-widget-image\" data-id=\"3330b5c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1180\" height=\"490\" src=\"https:\/\/lsi-lastem.com\/wp-content\/uploads\/AnyConv.com__Capacitivo-vs-psicrometro-Interna-ENG.webp\" class=\"attachment-full size-full wp-image-108627\" alt=\"Measuring relative humidity\" srcset=\"https:\/\/lsi-lastem.com\/wp-content\/uploads\/AnyConv.com__Capacitivo-vs-psicrometro-Interna-ENG.webp 1180w, https:\/\/lsi-lastem.com\/wp-content\/uploads\/AnyConv.com__Capacitivo-vs-psicrometro-Interna-ENG-300x125.webp 300w, https:\/\/lsi-lastem.com\/wp-content\/uploads\/AnyConv.com__Capacitivo-vs-psicrometro-Interna-ENG-1024x425.webp 1024w, https:\/\/lsi-lastem.com\/wp-content\/uploads\/AnyConv.com__Capacitivo-vs-psicrometro-Interna-ENG-768x319.webp 768w, https:\/\/lsi-lastem.com\/wp-content\/uploads\/AnyConv.com__Capacitivo-vs-psicrometro-Interna-ENG-1000x415.webp 1000w\" sizes=\"(max-width: 1180px) 100vw, 1180px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8dd5cf5 e-flex e-con-boxed e-con e-parent\" data-id=\"8dd5cf5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8bbc3d8 elementor-widget elementor-widget-text-editor\" data-id=\"8bbc3d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The\u00a0<b>measurement of air relative humidity<\/b>\u00a0is fundamental in many sectors, including meteorology, microclimate and the control of industrial processes. Relative humidity, like any other measurable quantity, can be calculated in two ways: a\u00a0<b>\u201cdirect\u201d<\/b>\u00a0one, in which a sensor provides the relative humidity value without the need to measure other quantities and an\u00a0<b>\u201cindirect\u201d<\/b>\u00a0one, which is based on calculations derived from the measurement of correlated quantities.<\/p><p>Consequently, it is possible to divide the different measuring principles and their sensors into two main categories:<\/p><ul><li aria-level=\"1\"><b>Direct hygrometers:<\/b>\u00a0sensors that have a functional relationship between relative humidity and a directly measured physical property, such as capacitive hygrometers.<\/li><li aria-level=\"1\"><b>Indirect hygrometers:<\/b>\u00a0sensors that use a thermodynamic transformation to measure relative humidity indirectly, therefore based on thermodynamic relationships. For example, psychrometers operate through a quasi-adiabatic saturation transformation to determine relative humidity.<\/li><\/ul><p>In this technical pill we will list the main pros and cons of measuring the air relative humidity with a capacitive sensor and with a psychrometric sensor. This comparison will allow those who will have to choose one of the two sensors for indoor measurements to orient their choice according to their needs, knowing their advantages and disadvantages.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ea60b3 elementor-widget elementor-widget-heading\" data-id=\"9ea60b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Operation of the temperature and relative humidity sensor with capacitive element<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb2a27f elementor-widget elementor-widget-text-editor\" data-id=\"eb2a27f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The\u00a0<b>capacitive relative humidity sensor<\/b>\u00a0is composed of a hygroscopic dielectric material placed between two electrodes mounted on a plate, to form a\u00a0<b>small capacitor<\/b>. The hygrometric balance between the insulating material and the environment changes the relative permittivity of the dielectric material. As the amount of water vapor in the air increases, the sensor\u2019s dielectric constant increases, producing a different measurement of capacitance, which corresponds to the relative humidity level. This device is sensitive to relative humidity because it is in\u00a0<b>thermal equilibrium<\/b>\u00a0<b>with the environment to be characterised<\/b>. Furthermore, the electrical characteristics of the sensor mean that the energy exchanged with the environment for heating is negligible.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b881bf9 elementor-widget elementor-widget-heading\" data-id=\"b881bf9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Operation of the dry bulb and wet bulb psychrometric temperature and relative humidity sensor with forced ventilation<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f68d934 elementor-widget elementor-widget-text-editor\" data-id=\"f68d934\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The operating principle of this device is simple.\u00a0<b>One thermometer measures the air temperature<\/b>, known as the\u00a0<b>dry bulb temperature<\/b>. The\u00a0<b>second thermometer<\/b>\u00a0is wrapped with gauze that is constantly wet with water known as a\u00a0<b>wet bulb<\/b>. Both elements are constantly exposed to a current of air. The water in the wet gauze evaporates, absorbing heat from the sensing element and thus reducing the wet bulb temperature read on the thermometer.<\/p><p>The drier the environment, the greater the importance of the evaporation process, which results in a significantly lower wet bulb temperature than the dry bulb temperature. The relative humidity value is calculated based on the difference between the two temperatures and is obtained using the psychrometric diagram (ASHRAE PSYCHROMETRIC CHART No. 1).<\/p><p>Indirect hygrometers are generally more accurate and often used in laboratories as standard reference.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f15880 elementor-widget elementor-widget-heading\" data-id=\"4f15880\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Which technology to choose?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e4c724 elementor-widget elementor-widget-text-editor\" data-id=\"9e4c724\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The choice between capacitive sensors and dry and wet bulb sensors depends on the specific needs of the application. Here is a summary table of the advantages and disadvantages of both technologies:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b1e13b elementor-widget-mobile__width-initial elementor-widget elementor-widget-image\" data-id=\"3b1e13b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/lsi-lastem.com\/wp-content\/uploads\/relative-humidity-Tab-800x600-1.png\" class=\"attachment-large size-large wp-image-108629\" alt=\"\" srcset=\"https:\/\/lsi-lastem.com\/wp-content\/uploads\/relative-humidity-Tab-800x600-1.png 800w, https:\/\/lsi-lastem.com\/wp-content\/uploads\/relative-humidity-Tab-800x600-1-300x225.png 300w, https:\/\/lsi-lastem.com\/wp-content\/uploads\/relative-humidity-Tab-800x600-1-768x576.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a1f882 elementor-widget elementor-widget-heading\" data-id=\"5a1f882\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b99775f elementor-widget elementor-widget-text-editor\" data-id=\"b99775f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The measurement of air relative humidity is fundamental in many applications and the choice between sensors with different sensitive elements depends on specific needs. Both technologies have advantages and disadvantages and the final decision should be based on the environmental conditions and accuracy required for the specific application.<\/p><p>LSI LASTEM offers both types of relative humidity sensors to meet different customer needs. For further details on the available products, you can visit the LSI LASTEM website: <strong><a href=\"\/en\/product-category\/sensors\/indoor-sensors\/temperature-and-relative-humidity\/\">Temperature and Relative Humidity<\/a><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9337ac5 e-con-full e-flex e-con e-child\" data-id=\"9337ac5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-00cd025 e-con-full e-flex e-con e-child\" data-id=\"00cd025\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-267f733 e-con-full e-flex e-con e-child\" data-id=\"267f733\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ecae55e elementor-widget-mobile__width-initial elementor-widget elementor-widget-heading\" data-id=\"ecae55e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">FAQ: Frequently Asked Questions<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e35519 elementor-widget elementor-widget-n-accordion\" data-id=\"0e35519\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1480\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1480\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Capacitive sensor or psychrometer: which should you choose to measure indoor relative humidity? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1480\" class=\"elementor-element elementor-element-be25754 e-con-full e-flex e-con e-child\" data-id=\"be25754\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d1cf86 elementor-widget elementor-widget-text-editor\" data-id=\"7d1cf86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">It depends on the application. A capacitive sensor offers advantages such as continuous monitoring, easy integration into automatic systems, compact size, and low maintenance; as a limitation, it may require more attention over time depending on the environment and sensor drift. A psychrometer has the advantage of being based on a well-established physical principle and is useful for comparison measurements in controlled environments; its drawbacks include higher maintenance, water management, and lower practicality for continuous automatic monitoring.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1481\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1481\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> When should you choose a capacitive sensor for indoor microclimate measurements? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1481\" class=\"elementor-element elementor-element-a8ef641 e-con-full e-flex e-con e-child\" data-id=\"a8ef641\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8fb2723 elementor-widget elementor-widget-text-editor\" data-id=\"8fb2723\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A capacitive sensor is the ideal choice for indoor microclimate measurements when continuous monitoring, automation, data logger integration, and reduced maintenance are required.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1482\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1482\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> When should you use a psychrometer to measure relative humidity in indoor environments? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1482\" class=\"elementor-element elementor-element-e412180 e-con-full e-flex e-con e-child\" data-id=\"e412180\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3dcae63 elementor-widget elementor-widget-text-editor\" data-id=\"3dcae63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A psychrometer is recommended when an accurate measurement of relative humidity is needed in an indoor environment based on a well-established physical principle. It can be useful for instrument checks, reference comparisons, and microclimate measurement campaigns.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1483\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1483\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Which instrument requires less maintenance: a capacitive sensor or a psychrometer? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1483\" class=\"elementor-element elementor-element-d64e353 e-con-full e-flex e-con e-child\" data-id=\"d64e353\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bd820e4 elementor-widget elementor-widget-text-editor\" data-id=\"bd820e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">In indoor environments, a capacitive sensor requires less maintenance than a psychrometer. A psychrometer requires water, proper ventilation, and periodic checks, while a capacitive sensor is easier to manage in microclimate monitoring networks.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1484\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1484\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> How do you choose between a capacitive sensor and a psychrometer for indoor relative humidity monitoring? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1484\" class=\"elementor-element elementor-element-65bddd0 e-con-full e-flex e-con e-child\" data-id=\"65bddd0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-df0d825 elementor-widget elementor-widget-text-editor\" data-id=\"df0d825\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The choice depends on the type of application, level of automation, available maintenance, and measurement objective. In short: choose a capacitive sensor for automatic, continuous indoor monitoring; choose a psychrometer for comparison measurements or specialized indoor microclimate applications.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Capacitive sensor or psychrometer: which should you choose to measure indoor relative humidity?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It depends on the application. A capacitive sensor offers advantages such as continuous monitoring, easy integration into automatic systems, compact size, and low maintenance; as a limitation, it may require more attention over time depending on the environment and sensor drift. A psychrometer has the advantage of being based on a well-established physical principle and is useful for comparison measurements in controlled environments; its drawbacks include higher maintenance, water management, and lower practicality for continuous automatic monitoring.\"}},{\"@type\":\"Question\",\"name\":\"When should you choose a capacitive sensor for indoor microclimate measurements?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A capacitive sensor is the ideal choice for indoor microclimate measurements when continuous monitoring, automation, data logger integration, and reduced maintenance are required.\"}},{\"@type\":\"Question\",\"name\":\"When should you use a psychrometer to measure relative humidity in indoor environments?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A psychrometer is recommended when an accurate measurement of relative humidity is needed in an indoor environment based on a well-established physical principle. 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In short: choose a capacitive sensor for automatic, continuous indoor monitoring; choose a psychrometer for comparison measurements or specialized indoor microclimate applications.\"}}]}<\/script>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5e456cf e-flex e-con-boxed e-con e-parent\" data-id=\"5e456cf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c002836 e-con-full e-flex e-con e-child\" data-id=\"c002836\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-192de14 elementor-widget elementor-widget-heading\" data-id=\"192de14\" 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