{"id":2436,"date":"2020-06-23T07:38:11","date_gmt":"2020-06-23T05:38:11","guid":{"rendered":"https:\/\/dev.ep-e.com\/pruefstaende-messtechnik\/nationale-kalibrier-transfernormale\/"},"modified":"2025-06-16T13:32:13","modified_gmt":"2025-06-16T11:32:13","slug":"national-calibration-transfer-standards","status":"publish","type":"page","link":"https:\/\/www.ep-e.com\/en\/test-benches-measurement-technology\/national-calibration-transfer-standards\/","title":{"rendered":"National calibration \/ transfer standards"},"content":{"rendered":"<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<p class=\"wp-block-paragraph\">EPE calibration standards are transfer standards with the highest possible measurement uncertainty, the measurement results of which can be traced back directly to the SI units m and s. Over the past few years, we at EPE have designed a range of transfer standards that are designed for use in calibration laboratories. <\/p>\n<\/div><\/div><\/div>\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<p class=\"wp-block-paragraph\">As a technology partner of the Physikalisch-Technische Bundesanstalt (PTB) in Braunschweig, our solutions are based on the highest standard. One of the most important tasks of PTB is the realization and transfer of the legal units volume (m\u00b3) and flow rate (m\u00b3\/h) or mass (kg) and mass flow (kg\/h) of flowing gases, also in the area of application at high pressures. Various piston test benches and a gas measuring bell are available as standard. The EPE primary standards have been used successfully in various national, metrological institutes worldwide for years.<\/p>\n<\/div><\/div><\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<h4 class=\"wp-block-heading\">Calibration systems<\/h4>\n<\/div><\/div><\/div>\n\n<div id=\"block-image-teaser\" class=\"swiper break-out\">\n    <!-- Additional required wrapper -->\n    <div class=\"swiper-wrapper\">\n        <!-- Slides -->\n                                <a href=\"https:\/\/www.ep-e.com\/en\/products\/bp-gasmessglocken\/\" class=\"swiper-slide card h-100\">\n                <div class=\"card-img-top ratio ratio-16x9\">\n                    <img decoding=\"async\" src=\"https:\/\/www.ep-e.com\/wp-content\/uploads\/2020\/06\/BP_Glocke-Pr\u00fcfstand_zuammengef\u00fcgt.png\" \/>\n                <\/div>\n                <div class=\"card-body d-flex flex-column\">\n                    <h6>BP Bell Prover<\/h6>\n                    <p class=\"card-text pb-3\">Flow calibration with air up to 250 m\u00b3\/h.<\/p>\n                    <button class=\"btn btn-outline-light mt-auto\" role=\"button\" type=\"button\"><span class=\"before plus\"><\/span>Learn more<\/button>\n                <\/div>\n            <\/a>\n                                <a href=\"https:\/\/www.ep-e.com\/en\/products\/hppp480-calibration-system-for-gas-meters-with-natural-gas\/\" class=\"swiper-slide card h-100\">\n                <div class=\"card-img-top ratio ratio-16x9\">\n                    <img decoding=\"async\" src=\"https:\/\/www.ep-e.com\/wp-content\/uploads\/2020\/06\/HPPP_145194_einzeln.png\" \/>\n                <\/div>\n                <div class=\"card-body d-flex flex-column\">\n                    <h6>HPPP480 Calibration system for gas meters with natural gas<\/h6>\n                    <p class=\"card-text pb-3\">Calibration system for gas meters with natural gas.<\/p>\n                    <button class=\"btn btn-outline-light mt-auto\" role=\"button\" type=\"button\"><span class=\"before plus\"><\/span>Learn more<\/button>\n                <\/div>\n            <\/a>\n                                <a href=\"https:\/\/www.ep-e.com\/en\/products\/smf-sonicmasterflow\/\" class=\"swiper-slide card h-100\">\n                <div class=\"card-img-top ratio ratio-16x9\">\n                    <img decoding=\"async\" src=\"https:\/\/www.ep-e.com\/wp-content\/uploads\/2020\/06\/D\u00fcsenpr\u00fcfstand_6500m\u00b3h_front-e1592565289603.png\" \/>\n                <\/div>\n                <div class=\"card-body d-flex flex-column\">\n                    <h6>SMF\u00ae &#8211; SonicMasterFlow\u00ae<\/h6>\n                    <p class=\"card-text pb-3\">High-precision flow measurement of gases and air using critical-operated laval nozzles.<\/p>\n                    <button class=\"btn btn-outline-light mt-auto\" role=\"button\" type=\"button\"><span class=\"before plus\"><\/span>Learn more<\/button>\n                <\/div>\n            <\/a>\n                                <a href=\"https:\/\/www.ep-e.com\/en\/products\/gaspro-mobile-gas-sampler\/\" class=\"swiper-slide card h-100\">\n                <div class=\"card-img-top ratio ratio-16x9\">\n                    <img decoding=\"async\" src=\"https:\/\/www.ep-e.com\/wp-content\/uploads\/2020\/06\/Gasprobennehmer_Messe_V2.jpg\" \/>\n                <\/div>\n                <div class=\"card-body d-flex flex-column\">\n                    <h6>GasPro &#8211; Mobile gas sampler<\/h6>\n                    <p class=\"card-text pb-3\">Representative cyclical\ngas sampling to determine\ngas quality in the gas network<\/p>\n                    <button class=\"btn btn-outline-light mt-auto\" role=\"button\" type=\"button\"><span class=\"before plus\"><\/span>Learn more<\/button>\n                <\/div>\n            <\/a>\n            <\/div>\n    <!-- <div class=\"swiper-pagination\"><\/div> -->\n<\/div>\n<script>\n    document.addEventListener('DOMContentLoaded', function() {\n        var swiper = new Swiper(\"#block-image-teaser\", {\n            autoplay: true,\n            speed: 1000,\n            slidesPerView: 1,\n            spaceBetween: 50,\n            loop: true,\n            pagination: {\n                el: \".swiper-pagination\",\n                clickable: true\n            },\n            breakpoints: {\n                540: {\n                    slidesPerView: 2,\n                    spaceBetween: 30\n                },\n                960: {\n                    slidesPerView: 3,\n                    spaceBetween: 40\n                },\n                1440: {\n                    slidesPerView: 5,\n                    spaceBetween: 40\n                },\n            },\n        });\n    });\n<\/script>\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n<\/div><\/div><\/div>\n\n<div class=\"cnt_row\"><div class=\"cnt_col block_list sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<ul class=\"wp-block-list\">\n<li>Primary standards for national metrological institutes and calibration laboratories<\/li>\n\n\n\n<li>Provision of national standard measuring devices<\/li>\n\n\n\n<li>Calibration standard for critical nozzles, venturi nozzles, gas meters, differential pressure sensors, etc. in the atmospheric pressure range<\/li>\n\n\n\n<li>Calibration of flowmeters for air and natural gas<\/li>\n\n\n\n<li>Calibration of flowmeters for hydrogen (under development)<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<h3 class=\"wp-block-heading\">Check according to regulations<\/h3>\n<\/div><\/div><\/div>\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<h5 class=\"wp-block-heading\">Measurement and calibration systems not only for gases, but also for liquids!<\/h5>\n<\/div><\/div><\/div>\n\n<div class=\"wp-block-image\"><div class=\"d-flex justify-content-center sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\">\n<figure class=\"alignleft is-resized\"><img decoding=\"async\" src=\"https:\/\/www.ep-e.com\/wp-content\/uploads\/2020\/06\/icon_Website_pos_einhaltung_pruefnormen.svg\" alt=\"\" class=\"wp-image-516\" style=\"width:153px;height:153px\"\/><\/figure>\n<\/div><\/div>\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<p class=\"wp-block-paragraph\">Furthermore, we offer test stands or measuring systems for testing a measuring device in compliance with the underlying calibration or system-relevant regulations.<\/p>\n<\/div><\/div><\/div>\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><\/div><\/div>\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<p class=\"wp-block-paragraph\">Two concrete examples:<\/p>\n<\/div><\/div><\/div>\n\n<div class=\"cnt_row\"><div class=\"cnt_col block_list sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<ul class=\"wp-block-list\">\n<li>Test benches for the adjustment and calibration of heat meters according to the test instructions.<br><em>GM-P 7.2 heat meter &#8211; flow sensor<br>As of May 19, 2020<\/em><\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n    <div class=\"cnt_row align\">\n        <div class=\"cnt_col\">\n                            <div class=\"btn_cta shadow\">\n                    <a class=\"f_btn btn\" href=\"https:\/\/www.ep-e.com\/en\/products\/pruefstaende-fuer-waermezaehler\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n                        Test benches for heat meaters                    <\/a>\n                <\/div>\n                    <\/div>\n    <\/div>\n\n\n<div class=\"cnt_row\"><div class=\"cnt_col block_list sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<ul class=\"wp-block-list\">\n<li>Mobile gas samplers for representative gas sampling to determine the gas quality in the gas network, <em>ATEX-compliant and PTB-approved<\/em>.<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n    <div class=\"cnt_row align\">\n        <div class=\"cnt_col\">\n                            <div class=\"btn_cta shadow\">\n                    <a class=\"f_btn btn\" href=\"https:\/\/www.ep-e.com\/en\/products\/gaspro-mobile-gas-sampler\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n                        GasPro \u2013 Mobile gas sampler                    <\/a>\n                <\/div>\n                    <\/div>\n    <\/div>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<h3 class=\"wp-block-heading\">Features<\/h3>\n<\/div><\/div><\/div>\n\n<div class=\"break-out\">\n    <div class=\"row row-cols-1 row-cols-sm-2 row-cols-md-4 row-cols-xl-6 g-4 justify-content-center mb-5\">\n                                    <div class=\"col js-reveal\">\n                                        <div class=\"iconlist d-flex align-items-center justify-content-center sal\" data-sal=\"slide-up\" data-easing=\"ease-in-out\"> <img decoding=\"async\" src=\"https:\/\/www.ep-e.com\/wp-content\/uploads\/2020\/06\/icon_Website_pos_geringste_messunsicherheit.svg\" alt=\"\" loading=\"lazy\" \/> <\/div>\n                    <p class=\"text-center\">\n                        Lowest measurement uncertainty, ISO 9001 and DAkkS accredited                    <\/p>\n                                    <\/div>\n                            <div class=\"col js-reveal\">\n                                        <div class=\"iconlist d-flex align-items-center justify-content-center sal\" data-sal=\"slide-up\" data-easing=\"ease-in-out\"> <img decoding=\"async\" src=\"https:\/\/www.ep-e.com\/wp-content\/uploads\/2020\/06\/icon_Website_pos_SI_einheiten.svg\" alt=\"\" loading=\"lazy\" \/> <\/div>\n                    <p class=\"text-center\">\n                        Traceable to SI units of length and time                    <\/p>\n                                    <\/div>\n                            <div class=\"col js-reveal\">\n                                        <div class=\"iconlist d-flex align-items-center justify-content-center sal\" data-sal=\"slide-up\" data-easing=\"ease-in-out\"> <img decoding=\"async\" src=\"https:\/\/www.ep-e.com\/wp-content\/uploads\/2020\/06\/icon_Website_pos_einhaltung_pruefnormen.svg\" alt=\"\" loading=\"lazy\" \/> <\/div>\n                    <p class=\"text-center\">\n                        Partner of the Physikalisch-Technische Bundesanstalt (PTB), member of the German Calibration Service (DKD)                    <\/p>\n                                    <\/div>\n                        <\/div>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<h3 class=\"wp-block-heading\">Specification<\/h3>\n<\/div><\/div><\/div>\n\n<div class=\"d-flex justify-content-center table-responsive sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><\/th><th>BP \u2013 Bell Prover<\/th><th>HPPP \u2013 High Pressure Piston Prover<\/th><\/tr><\/thead><tbody><tr><td>Measurement section<\/td><td>Bells cylinder and standing vessel<\/td><td>Piston in pipe section<\/td><\/tr><tr><td>Measurement principle<\/td><td>Displacement of an enclosed air volume by sinking the bell cylinder<\/td><td>Passive,  by a driven piston (driven by the gas flow) in a honed tube<\/td><\/tr><tr><td>Flow range<\/td><td>0.1\u2026300 m\u00b3\/h<\/td><td>8\u2026480 m\u00b3\/h<\/td><\/tr><tr><td>Measurement uncertainties<\/td><td>0.06\u20260.25 % MV<\/td><td>up to 0,07 % MV<\/td><\/tr><tr><td>Pressure range<\/td><td>Atmospheric<\/td><td>15 to 100 bar overpressure<\/td><\/tr><tr><td>Medium <\/td><td>Air<\/td><td>Natural gas<\/td><\/tr><tr><td>Temperature range<\/td><td>18\u202625 \u00b0C<\/td><td>18\u202625 \u00b0C<\/td><\/tr><tr><td>Key Benefit<\/td><td>Lowest measurement uncertainty due to traceability to SI units length and time<\/td><td>Lowest measurement uncertainty with overpressure calibration of natural gas<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n<div class=\"cnt_row\"><div class=\"cnt_col sal\" data-sal=\"slide-up\" data-sal-easing=\"ease-in-out\"><div class=\"container-narrow\">\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Calibration standards are transfer standards with the lowest measurement uncertainty, which results can be directly traced back to the SI units m and s.<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2426,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2436","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is 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