{"id":8836,"date":"2026-06-17T14:06:56","date_gmt":"2026-06-17T14:06:56","guid":{"rendered":"https:\/\/www.weidmann-electrical.com\/products\/transformer-accessories\/controls-and-instrumentation\/"},"modified":"2026-07-06T18:43:29","modified_gmt":"2026-07-06T18:43:29","slug":"controls-and-instrumentation","status":"publish","type":"page","link":"https:\/\/www.weidmann-electrical.com\/de\/products\/transformer-accessories\/controls-and-instrumentation\/","title":{"rendered":"Controls and Instrumentation"},"content":{"rendered":"\n\n\n<div class=\"sub-hero wp-block-cite-wordpress-theme-section\">\n                    <img decoding=\"async\" class=\"sub-hero-image\"\n             src=\"https:\/\/www.weidmann-electrical.com\/wp-content\/uploads\/sites\/2\/2026\/05\/Controls-and-Instrumentation_Hero-scaled.jpg\"\n             alt=\"\"\n             style=\"object-position: 50% 65%; object-fit: cover;\">\n    \n    <div class=\"sub-hero-wrapper\">\n                    \n\n<h1 class=\"wp-block-heading\"><strong>Controls and Instrumentation<\/strong><\/h1>\n\n\n            <\/div>\n\n    <div class=\"sub-hero-overlay\"><\/div>\n<\/div>\n\n\n\n    <div class=\"sub-navigation is-overlapped\">\n        <ul class=\"sub-navigation-menu\">\n                            <li class=\"sub-navigation-menu-item \">\n                                                                <a href=\"https:\/\/www.weidmann-electrical.com\/de\/products\/transformerboard\/\">\n                            Transformerboard                        <\/a>\n                                    <\/li>\n                            <li class=\"sub-navigation-menu-item \">\n                                                                <a href=\"https:\/\/www.weidmann-electrical.com\/de\/products\/isolierpapier\/\">\n                            Isolationspapier                        <\/a>\n                                    <\/li>\n                            <li class=\"sub-navigation-menu-item \">\n                                                                <a href=\"https:\/\/www.weidmann-electrical.com\/de\/products\/insulation-components\/\">\n                            Isolationskomponenten                        <\/a>\n                                    <\/li>\n                            <li class=\"sub-navigation-menu-item current-page-item\">\n                                                                <a href=\"https:\/\/www.weidmann-electrical.com\/de\/products\/transformer-accessories\/\">\n                            <span>Transformatorenzubeh\u00f6r<\/span>\n                        <\/a>\n                                    <\/li>\n                    <\/ul>\n    <\/div>\n\n\n\n<section class=\"wp-block-cite-wordpress-theme-section has-overlapping-decoration-none has-0-padding-y-top has-0-padding-y-bottom\"><div class=\"theme-section-inner container\"><div class=\"yoast-breadcrumbs\"><span><a href=\"https:\/\/www.weidmann-electrical.com\/de\/electrical-home\/\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"11\" height=\"10\" viewBox=\"0 0 11 10\" fill=\"none\">\n<path d=\"M10.9971 4.98926C10.9971 5.34075 10.7106 5.61609 10.3859 5.61609H9.77459L9.78797 8.74439C9.78797 8.79711 9.78415 8.84983 9.77841 8.90256V9.2189C9.77841 9.65046 9.43649 10 9.01433 10H8.70869C8.68768 10 8.66667 10 8.64565 9.99805C8.61891 10 8.59217 10 8.56542 10L7.9446 9.99805H7.48615C7.06399 9.99805 6.72206 9.64851 6.72206 9.21695V7.49854C6.72206 7.1529 6.4489 6.87366 6.11079 6.87366H4.88825C4.55014 6.87366 4.27698 7.1529 4.27698 7.49854V9.21695C4.27698 9.64851 3.93505 9.99805 3.51289 9.99805H2.44508C2.41643 9.99805 2.38777 9.99609 2.35912 9.99414C2.3362 9.99609 2.31328 9.99805 2.29035 9.99805H1.98472C1.56256 9.99805 1.22063 9.64851 1.22063 9.21695V7.02988C1.22063 7.0123 1.22063 6.99278 1.22254 6.9752V5.61414H0.61127C0.267431 5.61414 0 5.34075 0 4.98731C0 4.81156 0.0573066 4.65534 0.191022 4.51865L5.08692 0.156219C5.22063 0.0195274 5.37345 0 5.50716 0C5.64088 0 5.7937 0.0390549 5.90831 0.136692L10.787 4.5206C10.9398 4.65729 11.0162 4.81351 10.9971 4.98926Z\" fill=\"#DF3011\"\/>\n<\/svg><\/a> > <span><a href=\"https:\/\/www.weidmann-electrical.com\/de\/products\/\">Produkte<\/a><\/span> > <span><a href=\"https:\/\/www.weidmann-electrical.com\/de\/products\/transformer-accessories\/\">Transformatorenzubeh\u00f6r<\/a><\/span> > <span class=\"breadcrumb_last\" aria-current=\"page\">Controls and Instrumentation<\/span><\/span><\/div><\/div><\/section>\n\n\n\n<section class=\"wp-block-cite-wordpress-theme-section has-weidmann-white-base-background-color has-background has-overlapping-decoration-none has-0-padding-y-top has-4-padding-y-bottom\"><div class=\"theme-section-inner container\">\n<section class=\"wp-block-cite-wordpress-theme-section has-weidmann-white-base-background-color has-background has-overlapping-decoration-none has-7-padding-y-top has-4-padding-y-bottom\"><div class=\"theme-section-inner container\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<h2 class=\"wp-block-cite-wordpress-theme-heading has-mb-spacing-38 has-h2-font-size\" id=\"about-insulutions-dpe\"><strong>The industry standard<\/strong><\/h2>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\">All of these devices measure, display or record, and communicate data relevant to transformer operation. They range from products for smaller distribution transformers to larger, more sophisticated performance, diagnostic, or condition-based systems. Weidmann has a wide variety of options, including oil level indicators, pressure, and temperature measuring devices.<\/p>\n\n\n\n    <div class=\"wp-block-weidmann-button-container\">\n        <div class=\"wp-block-weidmann-button primary is-align-left\">\n            <a href=\"https:\/\/www.weidmann-electrical.com\/contact-us\/\"\n               target=\"\"\n               class=\"wp-block-button-link\">Contact us for availability<\/a>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<aside class=\"pullout\">\n            <h2 class=\"pullout--title\">Key features<\/h2>\n    \n            <div class=\"pullout--content\">\n            <ul>\n<li><span style=\"font-weight: 400;\">Industry Standard devices<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Contributes to the long-term reliability and safety of electrical equipment<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Improves operating efficiency and safety of electrical equipment<\/span><\/li>\n<\/ul>\n        <\/div>\n    \n<\/aside>\n\n\n\n<aside class=\"pullout\">\n            <h2 class=\"pullout--title\">Field of application<\/h2>\n    \n            <div class=\"pullout--content\">\n            <p><span style=\"font-weight: 400;\">Installed in power and distribution transformers to determine and report on the condition of the transformer, and provide means of dealing with potential operating safety issues.<\/span><\/p>\n        <\/div>\n    \n<\/aside>\n<\/div>\n<\/div>\n<\/div><\/section>\n<\/div><\/section>\n\n\n\n<section class=\"wp-block-cite-wordpress-theme-section has-light-blue-base-background-color has-background has-overlapping-decoration-none has-8-padding-y-top has-4-padding-y-bottom\"><div class=\"theme-section-inner container\">\n    <div class=\"tabs\">\n        <div class=\"tabs-list\">\n                            <div class=\"tab-title-container active\"\n                     data-tab=\"tab-0\">\n                    <h2 class=\"tab-title\">\n                        Oil Level Indicators                        <svg class=\"tab-accordion-icon\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                            <path d=\"M18.456 9.97063H1.48542M9.9707 1.48535V18.4559\" stroke=\"#DF3011\" stroke-width=\"2\"\n                                  stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                        <\/svg>\n                    <\/h2>\n                <\/div>\n                            <div class=\"tab-title-container \"\n                     data-tab=\"tab-1\">\n                    <h2 class=\"tab-title\">\n                        Pressure Devices                        <svg class=\"tab-accordion-icon\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                            <path d=\"M18.456 9.97063H1.48542M9.9707 1.48535V18.4559\" stroke=\"#DF3011\" stroke-width=\"2\"\n                                  stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                        <\/svg>\n                    <\/h2>\n                <\/div>\n                            <div class=\"tab-title-container \"\n                     data-tab=\"tab-2\">\n                    <h2 class=\"tab-title\">\n                        Temperature Devices                        <svg class=\"tab-accordion-icon\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                            <path d=\"M18.456 9.97063H1.48542M9.9707 1.48535V18.4559\" stroke=\"#DF3011\" stroke-width=\"2\"\n                                  stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                        <\/svg>\n                    <\/h2>\n                <\/div>\n                    <\/div>\n                    <div class=\"tab-text-area active\" id=\"tab-0\">\n                <div class=\"tab-text-area-wrapper\">\n                    <p>Used to detect dielectric fluid leakage in an early stage, permitting actions to be taken to ensure that the transformer windings remain covered with the dielectric fluid. These devices are available in mechanical or magnetic form, with and without microswitches. The oil level indicators are designed to international standards. Buchholz relays are protection devices that monitor gas and oil movements. Oil flow indicators are used in the feed, outlet\/drain pipes of the cooling systems.<\/p>\n                <\/div>\n            <\/div>\n                    <div class=\"tab-text-area \" id=\"tab-1\">\n                <div class=\"tab-text-area-wrapper\">\n                    <p>Prevents pressure-induced explosions. Pressure relief devices limit the transformer\u2019s internal pressure to a defined maximum.<\/p>\n                <\/div>\n            <\/div>\n                    <div class=\"tab-text-area \" id=\"tab-2\">\n                <div class=\"tab-text-area-wrapper\">\n                    <p>Temperature has been determined to be an important influence on the life of a transformer, since excessive temperature accelerates the aging of the electrical insulation systems. Our temperature devices are designed for measuring, recording, and communicating the dielectric fluid temperature as well as the winding hot spot temperature. Temperature devices are designed to international standards.<\/p>\n                <\/div>\n            <\/div>\n            <\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div><\/section>\n\n\n\n<section class=\"wp-block-cite-wordpress-theme-section has-light-blue-base-background-color has-background has-overlapping-decoration-none has-4-padding-y-top has-8-padding-y-bottom\"><div class=\"theme-section-inner container\">\n<h2 class=\"wp-block-cite-wordpress-theme-heading has-mb-spacing-38 has-h3-font-size\" id=\"related-products\"><strong>Related products<\/strong><\/h2>\n\n\n\n\n<ul class=\"product-cards-grid three-columns\">\n            <li class=\"product-card\">\n                            <figure>\n                    <a class=\"d-block\" href=\"https:\/\/www.weidmann-electrical.com\/products\/transformer-accessories\/high-voltage-connections\/\"\n                       target=\"_self\">\n                        <img decoding=\"async\" src=\"https:\/\/www.weidmann-electrical.com\/wp-content\/uploads\/sites\/2\/2025\/05\/High-Voltage-Connections-740-x-500.jpg\"\n                             alt=\"\">\n                                                    <h2>High Voltage Connections<\/h2>\n                                                                    <\/a>\n                <\/figure>\n                    <\/li>\n            <li class=\"product-card\">\n                            <figure>\n                    <a class=\"d-block\" href=\"https:\/\/www.weidmann-electrical.com\/products\/transformer-accessories\/cooling-and-fluid-control\/\"\n                       target=\"_self\">\n                        <img decoding=\"async\" src=\"https:\/\/www.weidmann-electrical.com\/wp-content\/uploads\/sites\/2\/2025\/05\/Cooling-740-x-500.jpg\"\n                             alt=\"\">\n                                                    <h2>Cooling and Fluid Control<\/h2>\n                                                                    <\/a>\n                <\/figure>\n                    <\/li>\n            <li class=\"product-card\">\n                            <figure>\n                    <a class=\"d-block\" href=\"https:\/\/www.weidmann-electrical.com\/products\/transformer-accessories\/protection-devices\/\"\n                       target=\"_self\">\n                        <img decoding=\"async\" src=\"https:\/\/www.weidmann-electrical.com\/wp-content\/uploads\/sites\/2\/2025\/05\/Protection-Devices-740x500-1.jpg\"\n                             alt=\"\">\n                                                    <h2>Protection Devices<\/h2>\n                                                                    <\/a>\n                <\/figure>\n                    <\/li>\n    <\/ul>\n\n<\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":33,"featured_media":0,"parent":4487,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-8836","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - 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