{"id":419,"date":"2025-08-15T04:36:29","date_gmt":"2025-08-15T04:36:29","guid":{"rendered":"https:\/\/plcautomations.com\/products\/?post_type=product&#038;p=419"},"modified":"2025-08-15T04:36:30","modified_gmt":"2025-08-15T04:36:30","slug":"omron-e2b-m12ks04-m1-b1-12-mm-diameter-4mm-sensing-distance-brass-cylindrical-e2b-series-m12-connector-metric-thread-normally-open-pnp-proximity-sensor-shielded-short-body-omron-automation","status":"publish","type":"product","link":"https:\/\/plcautomations.com\/products\/product\/omron-e2b-m12ks04-m1-b1-12-mm-diameter-4mm-sensing-distance-brass-cylindrical-e2b-series-m12-connector-metric-thread-normally-open-pnp-proximity-sensor-shielded-short-body-omron-automation\/","title":{"rendered":"OMRON E2B-M12KS04-M1-B1 12 MM Diameter, 4MM Sensing Distance, Brass, Cylindrical, E2B Series, M12 Connector, Metric Thread, Normally Open, PNP, Proximity Sensor, Shielded, Short Body OMRON Automation and Safety"},"content":{"rendered":"<p>The <strong>OMRON E2B-M12KS04-M1-B1<\/strong> is a <strong>12mm cylindrical proximity sensor<\/strong> from Omron\u2019s <strong>E2B Series<\/strong>. It&#8217;s designed to detect the presence of metal objects without physical contact. Let\u2019s explore its pros and cons in a Q&amp;A format:<\/p>\n<h3><strong>Pros:<\/strong><\/h3>\n<ol>\n<li><strong>Compact and Space-Saving Design:<\/strong>\n<ul>\n<li><strong>Q:<\/strong> How well does this sensor fit in tight spaces?<\/li>\n<li><strong>A:<\/strong> The <strong>short body design<\/strong> (12mm diameter) makes it ideal for applications where space is limited. It can easily fit into smaller setups, making it more flexible for different mounting requirements.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Reliable Detection Range:<\/strong>\n<ul>\n<li><strong>Q:<\/strong> How effective is the sensing range?<\/li>\n<li><strong>A:<\/strong> With a <strong>4mm sensing distance<\/strong>, this sensor offers reliable proximity detection for a variety of industrial applications. The range is optimal for close-range detection, ensuring fast and accurate responses.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Shielded Design:<\/strong>\n<ul>\n<li><strong>Q:<\/strong> Does the shielded design provide any benefits?<\/li>\n<li><strong>A:<\/strong> Yes, the <strong>shielded<\/strong> construction minimizes false signals and interference, which can be a concern in environments with electrical noise. This feature ensures more precise operation, especially in noisy industrial settings.<\/li>\n<\/ul>\n<\/li>\n<li><strong>PNP Output (Normally Open):<\/strong>\n<ul>\n<li><strong>Q:<\/strong> How does the PNP output work?<\/li>\n<li><strong>A:<\/strong> This sensor uses a <strong>PNP (sourcing)<\/strong> configuration, which means it sends a positive voltage to the output when activated. The <strong>normally open<\/strong> design ensures that the output is unconnected until an object is detected, which is ideal for many control circuits.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Brass Construction:<\/strong>\n<ul>\n<li><strong>Q:<\/strong> Is the sensor durable?<\/li>\n<li><strong>A:<\/strong> Yes, the <strong>brass<\/strong> housing adds strength and durability to the sensor, making it resistant to wear and tear, corrosion, and harsh environments, contributing to its long operational life.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Easy Integration with M12 Connector:<\/strong>\n<ul>\n<li><strong>Q:<\/strong> How easy is it to connect the sensor?<\/li>\n<li><strong>A:<\/strong> The <strong>M12 connector<\/strong> makes wiring and installation easier, reducing setup time and ensuring a secure connection, which is particularly beneficial for industrial environments that require quick and reliable installations.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr \/>\n<h3><strong>Cons:<\/strong><\/h3>\n<ol>\n<li><strong>Limited Sensing Distance:<\/strong>\n<ul>\n<li><strong>Q:<\/strong> Is the sensing distance long enough for most applications?<\/li>\n<li><strong>A:<\/strong> The <strong>4mm sensing distance<\/strong> might be limiting if you need to detect objects from farther away. For longer-range sensing, you&#8217;d need a sensor with a greater detection range, so it&#8217;s more suitable for short-range applications.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Not Suitable for Non-Metal Objects:<\/strong>\n<ul>\n<li><strong>Q:<\/strong> Can this sensor detect all types of objects?<\/li>\n<li><strong>A:<\/strong> No, the <strong>E2B-M12KS04-M1-B1<\/strong> is designed to detect <strong>metal<\/strong> objects specifically. It won\u2019t be able to sense non-metal materials, so it\u2019s not versatile for use with a wide range of materials like plastics or wood.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Shielding Reduces Detection Range:<\/strong>\n<ul>\n<li><strong>Q:<\/strong> Does the shielding affect the performance?<\/li>\n<li><strong>A:<\/strong> While shielding improves noise immunity, it can slightly reduce the effective sensing range compared to unshielded sensors. This is a trade-off for increased stability in electromagnetic environments.<\/li>\n<\/ul>\n<\/li>\n<li><strong>PNP Output Might Not Be Compatible with All Systems:<\/strong>\n<ul>\n<li><strong>Q:<\/strong> Can this sensor work with all control systems?<\/li>\n<li><strong>A:<\/strong> The <strong>PNP output<\/strong> may not be compatible with all systems, especially those requiring <strong>NPN (sinking)<\/strong> sensors. You may need an additional interface or adapter if your system requires a different output type.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Lack of Adjustable Sensitivity:<\/strong>\n<ul>\n<li><strong>Q:<\/strong> Can I adjust the sensitivity of the sensor?<\/li>\n<li><strong>A:<\/strong> No, the <strong>E2B-M12KS04-M1-B1<\/strong> sensor comes with a fixed sensing distance, and it doesn\u2019t offer adjustable sensitivity. If you need more flexibility in terms of distance or sensitivity, you&#8217;d need to look at other models.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr \/>\n<h3><strong>Conclusion:<\/strong><\/h3>\n<p>The <strong>OMRON E2B-M12KS04-M1-B1<\/strong> proximity sensor is a compact, durable, and highly reliable solution for detecting metal objects in industrial applications. It\u2019s well-suited for short-range detection in environments with electrical noise due to its shielded design and PNP output. However, if you need longer sensing distances or need to detect non-metal objects, this sensor might not be the best fit. Overall, it\u2019s a solid choice for applications requiring precise, short-range metal detection with easy integration.<\/p>\n","protected":false},"excerpt":{"rendered":"<ul class=\"a-unordered-list a-vertical a-spacing-mini\">\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">12 MM DIAMETER<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">4MM SENSING DISTANCE<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">BRASS<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">CYLINDRICAL<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">E2B SERIES<\/span><\/li>\n<\/ul>\n<h2>Product details<\/h2>\n<div id=\"detailBullets_feature_div\">\n<ul class=\"a-unordered-list a-nostyle a-vertical a-spacing-none detail-bullet-list\">\n<li><span class=\"a-list-item\"><span class=\"a-text-bold\">Product Dimensions \u200f : \u200e\u00a0<\/span>2 x 1 x 2 inches; 0.01 ounces<\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-text-bold\">Item model number \u200f : \u200e\u00a0<\/span>E2B-M12KS04-M1-B1<\/span><\/li>\n<\/ul>\n<h2 class=\"default\">Product Description<\/h2>\n<div id=\"productDescription\" class=\"a-section a-spacing-small\">\n<p>12 MM DIAMETER, 4MM SENSING DISTANCE, BRASS, CYLINDRICAL, E2B SERIES, M12 CONNECTOR, METRIC THREAD, NORMALLY OPEN, PNP, PROXIMITY SENSOR, SHIELDED, SHORT BODY; Part Number: E2B-M12KS04-M1-B1; Category: Sensors &amp; Switches; Subcategory: Proximity Switch; Housing Size: 12 mm diameter; Sensing Distance: 4mm sensing distance; Housing Shape and Material: Cylindrical, metric thread, brass; Connection Type: M12 connector; Operation Mode: Normally open; Power Source and Output: PNP; Shield: Shielded; Barrel Length: Short body<\/p>\n<\/div>\n<\/div>\n","protected":false},"featured_media":420,"comment_status":"open","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"product_brand":[33],"product_cat":[27],"product_tag":[28,36,37],"class_list":{"0":"post-419","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-omron","7":"product_cat-omron","8":"product_tag-omron","9":"product_tag-plcautomation","10":"product_tag-plcautomations","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-external"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>OMRON E2B-M12KS04-M1-B1 12 MM Diameter, 4MM Sensing Distance, Brass, Cylindrical, E2B Series, M12 Connector, Metric Thread, Normally Open, PNP, Proximity Sensor, Shielded, Short Body OMRON Automation and Safety - Products<\/title>\n<meta name=\"description\" content=\"OMRON E2B-M12KS04-M1-B1 12 MM Diameter 4MM Sensing Distance Brass Cylindrical E2B Series M12 Connector Metric Thread Normally Open PNP Proximity Sensor Shielded Short Body The OMRON E2B-M12KS04-M1-B1 is a 12mm cylindrical proximity sensor from Omron\u2019s E2B Series. It&#039;s designed to detect the presence of metal objects without physical contact. 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It's designed to detect the presence of metal objects without physical contact. Let\u2019s explore its pros and cons in a Q&A format:","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:\/\/plcautomations.com\/products\/product\/omron-e2b-m12ks04-m1-b1-12-mm-diameter-4mm-sensing-distance-brass-cylindrical-e2b-series-m12-connector-metric-thread-normally-open-pnp-proximity-sensor-shielded-short-body-omron-automation\/","og_locale":"en_US","og_type":"article","og_title":"OMRON E2B-M12KS04-M1-B1 12 MM Diameter, 4MM Sensing Distance, Brass, Cylindrical, E2B Series, M12 Connector, Metric Thread, Normally Open, PNP, Proximity Sensor, Shielded, Short Body OMRON Automation and Safety - Products","og_description":"OMRON E2B-M12KS04-M1-B1 12 MM Diameter 4MM Sensing Distance Brass Cylindrical E2B Series M12 Connector Metric Thread Normally Open PNP Proximity Sensor Shielded Short Body The OMRON E2B-M12KS04-M1-B1 is a 12mm cylindrical proximity sensor from Omron\u2019s E2B Series. 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It's designed to detect the presence of metal objects without physical contact. 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