[et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” use_background_color_gradient=”on” background_color_gradient_direction=”90deg” background_color_gradient_stops=”#380006 60%|#e12028 97%” custom_padding=”0px|4vw|0px|4vw|true|true” locked=”off” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”0px||0px||true|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” text_text_color=”#FFFFFF” text_line_height=”2.4em” module_alignment=”center” global_colors_info=”{}”]<\/p>\n
Products<\/a> \u00bb Hazardous Zones<\/span><\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”on|phone” _builder_version=”4.27.5″ _module_preset=”default” background_color=”#E12028″ use_background_color_gradient=”on” background_color_gradient_direction=”90deg” background_color_gradient_stops=”#aa111b 0%|#e12028 71%” custom_margin=”||||false|false” custom_margin_tablet=”||||false|false” custom_margin_phone=”||||false|false” custom_margin_last_edited=”off|desktop” custom_padding=”3rem|4vw|4rem|4vw|false|true” custom_padding_tablet=”||3rem||false|true” custom_padding_phone=”2rem||3rem||false|true” top_divider_style=”slant2″ top_divider_color=”rgba(124,2,10,0.21)” top_divider_height=”225px” top_divider_flip=”horizontal” bottom_divider_style=”slant2″ bottom_divider_color=”#FFFFFF” bottom_divider_height=”20px” bottom_divider_flip=”vertical” locked=”off” global_colors_info=”{}” custom_padding__hover_enabled=”off|desktop”][et_pb_row column_structure=”1_2,1_2″ use_custom_gutter=”on” gutter_width=”4″ make_equal=”on” _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”0px||0px||false|false” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_heading title=”Pressure and Mass Flow Controllers for Hazardous Zones ” _builder_version=”4.27.6″ _module_preset=”default” title_text_color=”#FFFFFF” title_font_size=”34px” title_letter_spacing=”0.2px” title_line_height=”1.4em” custom_margin=”||1rem||false|false” custom_margin_tablet=”||1rem||false|false” custom_margin_phone=”||1rem||false|false” custom_margin_last_edited=”on|desktop” title_font_size_tablet=”34px” title_font_size_phone=”29px” title_font_size_last_edited=”on|phone” global_colors_info=”{}”][\/et_pb_heading][et_pb_heading title=”CID1 & CID2 instruments for flow and pressure control” _builder_version=”4.27.6″ _module_preset=”default” title_level=”h2″ title_font=”|300|||||||” title_text_color=”#FFFFFF” title_font_size=”29px” title_letter_spacing=”0.2px” title_line_height=”1.2em” custom_margin=”||1rem||false|false” custom_margin_tablet=”||1rem||false|false” custom_margin_phone=”||0rem||false|false” custom_margin_last_edited=”on|phone” custom_padding=”||||false|false” title_font_size_tablet=”29px” title_font_size_phone=”25px” title_font_size_last_edited=”on|phone” global_colors_info=”{}”][\/et_pb_heading][et_pb_image src=”https:\/\/www.alicat.com\/wp-content\/uploads\/2026\/06\/alicat-hazardous-locations-family.webp” alt=”Photo of Alicat devices for hazardous locations” disabled_on=”off|on|on” _builder_version=”4.27.6″ _module_preset=”default” custom_margin_tablet=”” custom_margin_phone=”1rem||1rem||true|false” custom_margin_last_edited=”on|phone” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” text_text_color=”#FFFFFF” text_font_size=”18px” text_line_height=”1.8em” custom_margin_tablet=”||2rem||false|false” custom_margin_phone=”||2rem||false|false” custom_margin_last_edited=”on|phone” global_colors_info=”{}”]<\/p>\n For processes rated Class I Division 2, or Class I Division 1, our certified meters and controllers deliver high accuracy as good as \u00b1 0.5% of reading or 0.1% of full scale, and repeatability of \u00b1 0.2% of reading and \u00b1 0.02% of full scale. Alicat®<\/sup> Scientific offers electronic C1D2 and C1D1 mass flow and pressure instruments for hazardous gas zones and can be used with up to 130 gases. Here is a breakdown of which build options and models are certified for each hazardous gas designation.<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” custom_css_main_element=”margin: auto;” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.alicat.com\/wp-content\/uploads\/2026\/06\/alicat-hazardous-locations-family.webp” alt=”Photo of Alicat devices for hazardous locations” disabled_on=”on|off|off” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ use_custom_gutter=”on” gutter_width=”2″ make_equal=”on” custom_padding_last_edited=”on|phone” disabled_on=”off|off|off” _builder_version=”4.27.6″ _module_preset=”default” custom_padding=”3rem||0px||false|false” custom_padding_tablet=”2rem||0px||false|false” custom_padding_phone=”0rem||||false|false” custom_css_free_form=”selector .et_pb_column {|| align-items: center;|| display: flex;|| gap: 1rem;|| justify-content: flex-end;||}||||@media all and (max-width: 981px) {|| selector .et_pb_column {|| max-width: 50%;|| }|| ||\tselector .et_pb_column:last-of-type {|| justify-content: flex-start;|| }||}||||selector .et_pb_button_module_wrapper {|| flex-shrink: 0;||}” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.6″ _module_preset=”default” custom_css_main_element=”text-align: center;” global_colors_info=”{}”][et_pb_text disabled_on=”on|on|off” _builder_version=”4.27.6″ _module_preset=”default” text_font=”|700|||||||” text_text_color=”#FFFFFF” text_font_size=”15px” text_orientation=”right” custom_margin=”||0px||false|false” global_colors_info=”{}”]<\/p>\n Get a C1D1 or C1D2 instrument built specifically for your hazardous gas process.<\/p>\n [\/et_pb_text][et_pb_button button_url=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9wYWdlIiwic2V0dGluZ3MiOnsicG9zdF9pZCI6IjM3MjQwIn19@” button_text=”Request a Quote” button_alignment_tablet=”center” button_alignment_phone=”” button_alignment_last_edited=”on|desktop” module_class=”ga_event_link_click_lead btn_transform_on_click” _builder_version=”4.27.6″ _dynamic_attributes=”button_url” _module_preset=”default” custom_button=”on” button_text_size=”14px” button_text_color=”#E12028″ button_bg_color=”#FFFFFF” button_border_color=”#E12028″ button_icon=”||fa||900″ button_icon_color=”#E12028″ button_icon_placement=”left” button_on_hover=”off” custom_margin_tablet=”|1rem|||false|false” custom_margin_phone=”|1rem|||false|false” custom_margin_last_edited=”on|tablet” custom_padding=”7px|15px|7px|32px|true|false” custom_css_before=”margin: 0 0 0 -20px !important;” global_module=”43808″ saved_tabs=”all” locked=”off” global_colors_info=”{}” button_icon_color__hover_enabled=”on|hover” button_icon_color__hover=”#2A3B47″ button_border_color__hover_enabled=”on|hover” button_border_color__hover=”#2A3B47″ button_text_color__hover_enabled=”on|hover” button_text_color__hover=”#2A3B47″ button_bg_color__hover_enabled=”on|hover” button_bg_color__hover=”#FFFFFF” button_bg_enable_color__hover=”on”][\/et_pb_button][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text disabled_on=”on|on|off” _builder_version=”4.27.6″ _module_preset=”default” text_font=”|700|||||||” text_text_color=”#FFFFFF” text_font_size=”15px” text_orientation=”right” custom_margin=”||0px||false|false” global_colors_info=”{}”]<\/p>\n Have questions or need a recommendation?<\/p>\n [\/et_pb_text][et_pb_button button_url=”#ask-an-engineer-form” button_text=”Ask an Engineer” button_text_tablet=”Help me choose what is best for my application” button_text_phone=”What is best for my application?” button_text_last_edited=”off|desktop” button_alignment_tablet=”left” button_alignment_phone=”left” button_alignment_last_edited=”on|tablet” module_class=”btn_transform_on_click ga_event_link_click_lead vwo-event-btn-click-ask-an-engineer” _builder_version=”4.27.6″ _module_preset=”default” custom_button=”on” button_text_size=”14px” button_text_color=”#E12028″ button_bg_color=”#FFFFFF” button_letter_spacing=”0px” button_icon=”||fa||900″ button_icon_color=”#E12028″ button_icon_placement=”left” button_on_hover=”off” custom_margin=”||||false|false” custom_margin_tablet=”|||1rem|false|false” custom_margin_phone=”|||1rem|false|false” custom_margin_last_edited=”on|tablet” custom_padding=”7px|15px|7px|35px|true|false” custom_padding_tablet=”9px|25px|9px|25px|true|true” custom_padding_phone=”9px|10px|9px|10px|true|true” custom_padding_last_edited=”off|phone” button_text_size_tablet=”14px” button_text_size_phone=”14px” button_text_size_last_edited=”off|phone” custom_css_before=”margin: 0 0 0 -25px !important;” global_module=”45689″ saved_tabs=”all” locked=”off” global_colors_info=”{}” button_text_color__hover_enabled=”on|hover” button_text_color__hover=”#2A3B47″ button_icon_color__hover_enabled=”on|hover” button_icon_color__hover=”#597084″][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”on|tablet” _builder_version=”4.27.6″ _module_preset=”default” custom_padding=”3rem|4vw|3rem|4vw|true|true” custom_padding_tablet=”2rem||2rem||true|true” custom_padding_phone=”2rem||2rem||true|true” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.6″ _module_preset=”default” custom_padding=”0px||0px||false|true” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” header_2_font=”|300|||||||” header_2_text_color=”#C11B29″ header_2_font_size=”30px” custom_margin=”||0px||false|false” custom_padding=”||||false|false” header_2_font_size_tablet=”30px” header_2_font_size_phone=”25px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][et_pb_divider show_divider=”off” _builder_version=”4.27.4″ _module_preset=”default” background_color=”RGBA(255,255,255,0)” use_background_color_gradient=”on” background_color_gradient_direction=”90deg” background_color_gradient_stops=”#2a3b47 67%|#ffffff 95%” max_width=”100%” height=”2.5px” custom_margin=”5px||15px||false|false” custom_padding=”0px||0px||false|false” border_radii=”on|2px|2px|2px|2px” locked=”off” global_colors_info=”{}”][\/et_pb_divider][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ use_custom_gutter=”on” gutter_width=”2″ module_class=”row-reorder-mobile row-reorder-tablet” _builder_version=”4.27.6″ _module_preset=”default” custom_margin=”||||false|false” custom_padding=”0px||0px||false|false” locked=”off” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.alicat.com\/wp-content\/uploads\/2026\/06\/diesel-generator-c1d2.webp” alt=”Diesel and gas industrial electric generator in CID2 hazardous zone” disabled_on=”on|on|off” _builder_version=”4.27.6″ _module_preset=”default” width_tablet=”80%” width_phone=”100%” width_last_edited=”on|phone” custom_margin=”16px||||false|false” custom_margin_tablet=”16px||1rem||false|false” custom_margin_phone=”16px||1rem||false|false” custom_margin_last_edited=”on|tablet” module_alignment_tablet=”center” module_alignment_phone=”center” module_alignment_last_edited=”on|tablet” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}”][et_pb_heading title=”Class I Div 2 meters and controllers for mass flow, liquid, and pressure” url=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9wYWdlIiwic2V0dGluZ3MiOnsicG9zdF9pZCI6IjQyNjc0In19@” _builder_version=”4.27.6″ _dynamic_attributes=”url” _module_preset=”default” title_level=”h3″ title_font=”||||||||” title_text_color=”#2A3B47″ title_font_size=”26px” custom_margin=”||0px||false|true” custom_padding=”7px||||false|false” title_font_size_tablet=”26px” title_font_size_phone=”22px” title_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”][\/et_pb_heading][et_pb_image src=”https:\/\/www.alicat.com\/wp-content\/uploads\/2026\/06\/diesel-generator-c1d2.webp” alt=”Diesel and gas industrial electric generator in CID2 hazardous zone” disabled_on=”off|off|on” _builder_version=”4.27.6″ _module_preset=”default” width_tablet=”80%” width_phone=”100%” width_last_edited=”on|phone” custom_margin=”1rem||1rem||true|false” custom_margin_tablet=”1rem||1rem||false|false” custom_margin_phone=”||1rem||false|false” custom_margin_last_edited=”on|tablet” module_alignment_tablet=”center” module_alignment_phone=”center” module_alignment_last_edited=”on|tablet” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” text_font_size=”16px” text_line_height=”1.8em” custom_css_free_form=”selector ul {|| margin-top: 1rem;||}” locked=”off” global_colors_info=”{}”]P-Series, M-Series, and L-Series devices can be built to perform safely in areas where explosive gases are a potential risk, such as Class I Division 2, or Zone 2 areas. This includes M\/MC and MW\/MCW mass flow instruments, L\/LC Liquid flow instruments, and P\/PC pressure instruments. Alicat devices built for C1D2 areas are marked as \u201c-X\u201d in recognition of the Ex safety method which is used. These -X device builds have the following restrictions:<\/p>\n [\/et_pb_text][et_pb_text module_class=”cta-link” _builder_version=”4.27.6″ _module_preset=”default” text_font=”|700|||||||” text_font_size=”16px” text_line_height=”1.8em” custom_margin=”||||false|false” locked=”off” global_colors_info=”{}”]More details on C1D2 certifications and requirements Alicat products for hazardous gas atmospheres<\/h2>\n
\n