{"id":44926,"date":"2025-01-01T22:35:41","date_gmt":"2025-01-01T22:35:41","guid":{"rendered":"https:\/\/www.alicat.com\/?p=44926"},"modified":"2025-06-12T17:32:19","modified_gmt":"2025-06-12T17:32:19","slug":"tragbare-kalibrierung-fur-industrielle-hygiene","status":"publish","type":"post","link":"https:\/\/www.alicat.com\/de\/articles\/industrial-hygiene-portable-calibration\/","title":{"rendered":"Tragbare Durchflussmessger\u00e4te f\u00fcr die Kalibrierung in der Industriehygiene"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;2em||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_heading title=&#8221;Portables for Flow Meter Calibration in Industrial Hygiene&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_css_free_form=&#8221;selector h1 {||  padding-bottom: 0;||  text-wrap: pretty;||}&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_heading][et_pb_divider color=&#8221;#2A3B47&#8243; divider_weight=&#8221;2.5px&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; height=&#8221;0px&#8221; custom_margin=&#8221;3rem||3rem||true|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_divider][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||0px||true|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||2rem||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p><a href=\"http:\/\/www.abih.org\/content\/ih-defined\" target=\"_blank\" rel=\"noopener\">Industrial hygiene<\/a> is the science of protecting and enhancing the health and safety of people at work and in their communities. Federal organizations including <a href=\"https:\/\/www.osha.gov\/\" target=\"_blank\" rel=\"noopener\">OSHA<\/a> and the <a href=\"https:\/\/www.cdc.gov\/niosh\/index.htm\" target=\"_blank\" rel=\"noopener\">NIOSH<\/a> strictly enforce industrial hygiene regulations to ensure workers are safe from hazardous substances within the air they breathe. Industries required to practice industrial hygiene include construction, agriculture, oil &amp; gas, mining, maritime, and metalworking.<\/p>\n<p>Here we discuss the use of flow meters in industrial hygiene applications, as they are important for measuring particulate levels and ensuring measurement equipment is properly calibrated.<\/p>\n<p>[\/et_pb_text][et_pb_heading title=&#8221;What is industrial hygiene?&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h3&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||2rem||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p>Industrial hygiene involves sampling the air to check for particulates and gas contaminants in dusts, fumes, mists, and aerosols. Most often, personal sampling pumps are used to draw air at a known flow rate through a collection medium. While many types of pumps are suitable for industrial hygiene applications, the best choice will be based on desired features beyond basic airflow.<\/p>\n<p>A wide operating range and the ability to maintain a constant flow rate are two common\u00a0<a href=\"https:\/\/www.ehstoday.com\/industrial-hygiene\/article\/21908691\/yes-even-you-can-do-industrial-hygiene-air-sampling-part-ii\" target=\"_blank\" rel=\"noopener\">pump features<\/a>. For applications that require sampling across a wide range of flow rates, from a few milliliters to several liters per minute, a pump with a large operating range can be very useful. This feature ensures that a single pump can be used for the entire span of flow rates required by the application. These pumps are generally more expensive, but have lower lifetime costs of ownership due to the broad use cases and minimal need for other equipment.<\/p>\n<p>For applications with less variation in flow rates, finding a pump with the firmest setpoint and a constant flow rate may be a priority. Because the sampled air may contain high levels of particulates, pumps for industrial hygiene are particularly prone to clogged filters and a subsequently decreased flow rate. However, pump systems that are able to detect changes in pressure drop can then compensate to maintain the desired flow rate.<\/p>\n<p>[\/et_pb_text][et_pb_heading title=&#8221;What role do flow meters play?&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h3&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||2rem||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p>The levels of particulates in the air sample are used to evaluate a worker\u2019s exposure to hazardous materials. It is therefore critical to ensure that the pump sustains a set air flow and provides highly accurate measurements.<\/p>\n<p>Flow meters ensure pump accuracy in a couple ways. The pumps themselves contain flow meters that measure air flow through the collection medium. Higher\u2011accuracy flow meters are then used to calibrate these pumps and ensure they are operating within their specifications. To ensure accurate measurements, industrial hygiene pumps should be calibrated both before and after the sampling period.<\/p>\n<p>[\/et_pb_text][et_pb_heading title=&#8221;Rotameters within pumps&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h3&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||2rem||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]Variable area flow meters, or rotameters, are commonly used to measure air flow through the pumps. These meters are low cost and simple to calibrate, operate, and read. They are less accurate than other flow meters, but sufficient for confident calculations of workplace safety.[\/et_pb_text][et_pb_heading title=&#8221;Flow meter calibration&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h3&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; module_alignment=&#8221;center&#8221; custom_margin=&#8221;||0px||false|false&#8221; custom_padding=&#8221;||2rem|2rem|false|false&#8221; custom_padding_tablet=&#8221;|||2rem|false|false&#8221; custom_padding_phone=&#8221;|||0rem|false|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; custom_css_main_element=&#8221;float: right;&#8221; custom_css_free_form=&#8221;selector figure {||  display: table;||  margin-left: auto;||  margin-right: auto;||  text-align: center;||}||||selector figcaption {||  caption-side: bottom;||  display: table-caption;||}||||selector img {||  margin-bottom: 1rem;||}&#8221; global_colors_info=&#8221;{}&#8221; custom_css_main_element_tablet=&#8221;float: right;&#8221; custom_css_main_element_phone=&#8221;float: none;&#8221; custom_css_main_element_last_edited=&#8221;on|phone&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/www.alicat.com\/wp-content\/uploads\/2024\/04\/MWB-1SLPM_auto_res.webp\" width=\"467\" height=\"333\" alt=\"Photo of an Alicat MWB low pressure drop mass flow meter\" class=\"wp-image-40037 aligncenter size-full\" srcset=\"https:\/\/www.alicat.com\/wp-content\/uploads\/2024\/04\/MWB-1SLPM_auto_res.webp 467w, https:\/\/www.alicat.com\/wp-content\/uploads\/2024\/04\/MWB-1SLPM_auto_res-300x214.webp 300w, https:\/\/www.alicat.com\/wp-content\/uploads\/2024\/04\/MWB-1SLPM_auto_res-400x284.webp 400w\" sizes=\"(max-width: 467px) 100vw, 467px\" \/><figcaption>MWB low pressure drop mass flow meter<\/figcaption><\/figure>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||2rem||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]To ensure the pumps are reading accurately, higher accuracy flow meters can be used for <a href=\"https:\/\/www.alicat.com\/support\/choosing-a-portable-flow-meter\/\">calibration<\/a>. Portable, battery\u2011powered flow meters are extremely convenient for this type of servicing, as they can be brought to point\u2011of\u2011use and used for calibration without requiring time spent wiring, powering, or waiting for a device to warm up.<\/p>\n<h4>Advantages of Alicat<sup>&reg;<\/sup> portables for calibration<\/h4>\n<p>Alicat flow meters are multivariate. As the ambient temperature and pressure in the workplace influence the particulate levels in the air, the ability of the flow meter to simultaneously measure temperature, pressure, mass flow, and volumetric flow simplifies overall testing operations. It provides the maximum amount of information about the environment from a single instrument and ensures the air is safe for workers to breathe. Further, to minimize the pressure drop when calibrating a rotameter and ensure the best possible calibration, an Alicat <a href=\"https:\/\/www.alicat.com\/products\/gas-flow\/mass-flow-meter\/portable-mass-flow-meters\/\">MWB-Series<\/a> portable flow meter can be used to maintain a pressure drop as low as 0.07 PSID at full scale.<\/p>\n<p>Given that flow meter calibration is a key component of industrial hygiene, using the appropriate calibration tools is critical to human health and safety.[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|700|||||||&#8221; custom_margin=&#8221;||2rem||false|false&#8221; hover_enabled=&#8221;0&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<a href=\"https:\/\/www.alicat.com\/products\/gas-flow\/mass-flow-meter\/portable-mass-flow-meters\/\">Learn more about portable flow meters <span class=\"et-pb-icon link-right-arrow\">$<\/span><\/a>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Industrial hygiene is the science of protecting and enhancing the health and safety of people at work and in their communities. Federal organizations including OSHA and the NIOSH strictly enforce industrial hygiene regulations to ensure workers are safe from hazardous substances within the air they breathe. Industries required to practice industrial hygiene include construction, agriculture, [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":40037,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"<!-- wp:divi\/placeholder \/-->","_et_gb_content_width":"","content-type":"","_searchwp_excluded":"","footnotes":""},"categories":[128,132],"tags":[],"class_list":["post-44926","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environmental-air-monitoring","category-mass-flow-meters"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Portable Flow Meters for Industrial Hygiene Calibration - Alicat Scientific<\/title>\n<meta name=\"description\" content=\"Portable flow meters are used to monitor Industrial hygiene. Pumps move harmful particulates away from workplaces and require high accuracy and flow measurement to ensure safety. Alicat&#039;s portable flow meters, with multivariate measurement capabilities, are perfect for this application.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alicat.com\/de\/artikel\/tragbare-kalibrierung-fur-industrielle-hygiene\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Portable Flow Meters for Industrial Hygiene Calibration\" \/>\n<meta property=\"og:description\" content=\"Portable flow meters are used to monitor Industrial hygiene. Pumps move harmful particulates away from workplaces and require high accuracy and flow measurement to ensure safety. Alicat&#039;s portable flow meters, with multivariate measurement capabilities, are perfect for this application.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.alicat.com\/de\/artikel\/tragbare-kalibrierung-fur-industrielle-hygiene\/\" \/>\n<meta property=\"og:site_name\" content=\"Alicat Scientific\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/alicatscientific\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-01T22:35:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-12T17:32:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.alicat.com\/wp-content\/uploads\/2024\/04\/MWB-1SLPM_auto_res.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"467\" \/>\n\t<meta property=\"og:image:height\" content=\"333\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Jarod Kober\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jarod Kober\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.alicat.com\\\/articles\\\/industrial-hygiene-portable-calibration\\\/\",\"url\":\"https:\\\/\\\/www.alicat.com\\\/articles\\\/industrial-hygiene-portable-calibration\\\/\",\"name\":\"Portable Flow Meters for Industrial Hygiene Calibration - Alicat Scientific\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.alicat.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.alicat.com\\\/articles\\\/industrial-hygiene-portable-calibration\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.alicat.com\\\/articles\\\/industrial-hygiene-portable-calibration\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.alicat.com\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/MWB-1SLPM_auto_res.webp\",\"datePublished\":\"2025-01-01T22:35:41+00:00\",\"dateModified\":\"2025-06-12T17:32:19+00:00\",\"description\":\"Portable flow meters are used to monitor Industrial hygiene. 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Pumpen transportieren sch\u00e4dliche Partikel von den Arbeitspl\u00e4tzen weg und erfordern eine hohe Genauigkeit und Durchflussmessung, um die Sicherheit zu gew\u00e4hrleisten. Die tragbaren Durchflussmessger\u00e4te von Alicat mit ihren multivariaten Messfunktionen sind perfekt f\u00fcr diese Anwendung geeignet.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.alicat.com\/de\/artikel\/tragbare-kalibrierung-fur-industrielle-hygiene\/","og_locale":"de_DE","og_type":"article","og_title":"Portable Flow Meters for Industrial Hygiene Calibration","og_description":"Portable flow meters are used to monitor Industrial hygiene. Pumps move harmful particulates away from workplaces and require high accuracy and flow measurement to ensure safety. 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