{"id":842,"date":"2025-03-27T00:25:06","date_gmt":"2025-03-26T16:25:06","guid":{"rendered":"http:\/\/www.euroswitch.net\/?p=842"},"modified":"2025-03-27T22:53:14","modified_gmt":"2025-03-27T14:53:14","slug":"4-20-ma%e7%94%b5%e5%ad%90%e5%b7%ae%e5%8e%8b%e5%8f%98%e9%80%81%e5%99%a8","status":"publish","type":"post","link":"http:\/\/www.euroswitch.net\/?p=842","title":{"rendered":"4-20 mA\u7535\u5b50\u5dee\u538b\u53d8\u9001\u5668"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"410\" src=\"http:\/\/www.euroswitch.net\/wp-content\/uploads\/2025\/03\/image-172-1024x410.png\" alt=\"\" class=\"wp-image-843\" srcset=\"http:\/\/www.euroswitch.net\/wp-content\/uploads\/2025\/03\/image-172-1024x410.png 1024w, http:\/\/www.euroswitch.net\/wp-content\/uploads\/2025\/03\/image-172-300x120.png 300w, http:\/\/www.euroswitch.net\/wp-content\/uploads\/2025\/03\/image-172-768x308.png 768w, http:\/\/www.euroswitch.net\/wp-content\/uploads\/2025\/03\/image-172.png 1206w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<style>* {-webkit-user-select: none;-moz-user-select: none;-ms-user-select: none;user-select: none;}<\/style><!DOCTYPE html>\n<html lang=\"zh-CN\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>\u8bbe\u5907\u53c2\u6570\u8868<\/title>\n    <style>\n        table {\n            border-collapse: collapse;\n            width: 80%;\n            margin: 0 auto;\n        }\n        table, th, td {\n            border: 1px solid black;\n        }\n        th, td {\n            padding: 6px;\n            text-align: left;\n            font-size: 14px;\n            user-select: none;\n        }\n        figcaption {\n            text-align: center;\n        }\n        table + table {\n            margin-top: -1px;\n        }\n        @media (max-width: 600px) {\n            table {\n                display: block;\n                overflow-x: auto;\n            }\n            th, td {\n                font-size: 12px;\n                user-select: none;\n            }\n        }\n    <\/style>\n<\/head>\n<body>\n    <figure>\n        <table>\n            <thead>\n                <tr>\n                    <th>\u4e2d\u6587\u53c2\u6570<\/th>\n                    <th>\u53c2\u6570\u503c<\/th>\n                    <th>\u82f1\u6587\u53c2\u6570<\/th>\n                    <th>\u53c2\u6570\u503c<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td>\u4f7f\u7528<\/td>\n                    <td>\u5de5\u4e1a\u5e94\u7528<\/td>\n                    <td>Use<\/td>\n                    <td>Industrial applications<\/td>\n                <\/tr>\n                <tr>\n                    <td>Pin1<\/td>\n                    <td>\u7535\u538b24 V\u00b110%<\/td>\n                    <td>Pin1<\/td>\n                    <td>Power supply 24 V\u00b110%<\/td>\n                <\/tr>\n                <tr>\n                    <td>Pin2<\/td>\n                    <td>\u6a21\u62df\u8f93\u51fa\u8303\u56f44\u00f720mA <br>(\u89c1\u6ce8\u610f1\u548c\u89c1\u6ce8\u610f2)<\/td>\n                    <td>Pin2<\/td>\n                    <td>Analogue Output 4\u00f720mA <br>(see note 1 and note 2)<\/td>\n                <\/tr>\n                <tr>\n                    <td>Pin3<\/td>\n                    <td>75%\u7684\u6570\u5b57\u8f93\u51fa1\u5f00\u59cb\u6807\u5b9a <br>FS &#8211; PNP &#8211; \u6700\u5927\u8d1f\u83770,2A-NO <br>(\u89c1\u6ce8\u610f2)<\/td>\n                    <td>Pin3<\/td>\n                    <td>Digital output 1 calibrated at 75%-PNP-Max Load 0,2A-NO <br>(see note 2)<\/td>\n                <\/tr>\n                <tr>\n                    <td>Pin4<\/td>\n                    <td>100%\u7684\u6570\u5b57\u8f93\u51fa2\u5f00\u59cb\u6807\u5b9a <br>FS &#8211; PNP &#8211; \u6700\u5927\u8d1f\u83770,2A-NO <br>(\u89c1\u6ce8\u610f2)<\/td>\n                    <td>Pin4<\/td>\n                    <td>Digital output 2 calibrated at 100%-PNP-Max Load 0,2A-NO <br>(see note 2)<\/td>\n                <\/tr>\n                <tr>\n                    <td>Pin5<\/td>\n                    <td>0V &#8211; GND<\/td>\n                    <td>Pin5<\/td>\n                    <td>0V &#8211; GND<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u6ce8\u610f1<\/td>\n                    <td>\u8f93\u5165\u2265FS\u768425%<br>\u5982\u679c\u8f93\u5165\u2264FS\u768425% \u6a21\u62df\u8f93\u51fa\u662f4mA\u6052\u5b9a\u7684<\/td>\n                    <td>Note 1<\/td>\n                    <td>For input \u226525%FS;<br>For input\u226425%FS Analogue signal output is constant at 4mA<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u6ce8\u610f2<\/td>\n                    <td>25\u00b0C\u7cbe\u5ea6 = \u6700\u5927FS\u7684\u00b15%<br>\u70ed\u6f02\u79fb\uff08\u8303\u56f4T*\u00f770\u00b0C\uff09 = FS\u7684 \u00b16% \u6700\u5927<\/td>\n                    <td>Note 2<\/td>\n                    <td>Accuracy at 25\u00b0C max\u00b15% FS;<br>Thermal drift (range T*\u00f770\u00b0C) max\u00b16% FS<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u65f6\u95f4<\/td>\n                    <td>\u542f\u52a8\u65f6\u95f4=3s<br>\u54cd\u5e94\u65f6\u95f4\uff1a\u6a21\u62df\u8f93\u51fa-0.2s, \u6570\u5b57\u8f93\u51fa-0.1s<\/td>\n                    <td>Time<\/td>\n                    <td>Activation time = 3s;<br>Response time: Analogue Out -0.2s, Digital Out -0.1s<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u70ed\u635f\u8017<\/td>\n                    <td>T* = 20\u00b0C\u00b12\u00b0\uff08\u6839\u636e\u8981\u6c42\u6e29\u5ea6\u503c\u53ef\u8c03\u8282\uff09<\/td>\n                    <td>Thermal Lock Out<\/td>\n                    <td>T* = 20\u00b0C\u00b12\u00b0 (others on request)<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u6ce8\u610f<\/td>\n                    <td>\u5982\u679cT<T*: \u6570\u5b57\u8f93\u51fa1NO, \u6570\u5b57\u8f93\u51fa2NO, \u6a21\u62df\u8f93\u51fa\uff1a3mA<\/td>\n                    <td>Note<\/td>\n                    <td>if T<T*: digital Out1 NO, digital Out2 NO, Analogue Out: 3mA<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u4ecb\u8d28<\/td>\n                    <td>\u6cb9-\u7a7a\u6c14<\/td>\n                    <td>Medium<\/td>\n                    <td>Oil &#8211; Air<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u673a\u4f53<\/td>\n                    <td>\u9ec4\u94dc (AISI\u8981\u6c42)<\/td>\n                    <td>Case<\/td>\n                    <td>Brass (AISI on request)<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4<\/td>\n                    <td>-20\u00b0C \u00f7 +80\u00b0C<\/td>\n                    <td>Working temperature range<\/td>\n                    <td>-20\u00b0C \u00f7 +80\u00b0C<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u6d4b\u91cf\u8303\u56f4 (\u5dee\u538b)<\/td>\n                    <td>2 \u00f7 8\u5df4<\/td>\n                    <td>Measuring ranges (Differential pressure)<\/td>\n                    <td>2 \u00f7 8 bar<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u673a\u68b0\u5de5\u4f5c\u5bff\u547d<\/td>\n                    <td>10\u2075\u6d3b\u585e\u7248\u672c<\/td>\n                    <td>Mechanical working life<\/td>\n                    <td>10\u2075 cycles<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u6700\u5927\u5de5\u4f5c\u538b\u529b<\/td>\n                    <td>350 \u00f7450\u5df4 (350 UL CSA\u7248\u672c) <br>\u6839\u636e\u87ba\u7eb9\u4e0d\u540c<\/td>\n                    <td>Max working pressure<\/td>\n                    <td>350 \u00f7 450 bar (350 UL CSA version) <br>depending on the thread<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u87ba\u7eb9<\/td>\n                    <td>1\/2\u201d Gas (\u53ef\u6839\u636e\u8981\u6c42\u8ba2\u5236)<\/td>\n                    <td>Thread<\/td>\n                    <td>1\/2\u201d Gas (others on request)<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u6700\u5927\u626d\u529b<\/td>\n                    <td>50-70 Nm<\/td>\n                    <td>Tightening torque<\/td>\n                    <td>50-70 Nm<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u8fde\u63a5\u5668<\/td>\n                    <td>M12 x 5 PIN<\/td>\n                    <td>Connector<\/td>\n                    <td>M12 x 5 PIN<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u9632\u62a4\u7b49\u7ea7<\/td>\n                    <td>IP67<\/td>\n                    <td>Protection degree<\/td>\n                    <td>IP67<\/td>\n                <\/tr>\n                <tr>\n                    <td>\u91cd\u91cf<\/td>\n                    <td>~ 140 g<\/td>\n                    <td>Weight<\/td>\n                    <td>~ 140 g<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n    <\/figure>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>\u8bbe\u5907\u53c2\u6570\u8868 \u4e2d\u6587\u53c2\u6570 \u53c2\u6570\u503c \u82f1\u6587\u53c2\u6570 \u53c2\u6570\u503c \u4f7f\u7528 \u5de5\u4e1a\u5e94\u7528 Use Industrial applications Pin1 \u7535\u538b24 V\u00b110% Pin1 Power supply 24 V\u00b110% Pin2 \u6a21\u62df\u8f93\u51fa\u8303\u56f44\u00f720mA&#8230;<\/p>\n","protected":false},"author":1,"featured_media":843,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-842","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1"],"_links":{"self":[{"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=\/wp\/v2\/posts\/842","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=842"}],"version-history":[{"count":2,"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=\/wp\/v2\/posts\/842\/revisions"}],"predecessor-version":[{"id":886,"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=\/wp\/v2\/posts\/842\/revisions\/886"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=\/wp\/v2\/media\/843"}],"wp:attachment":[{"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=842"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=842"},{"taxonomy":"topic","embeddable":true,"href":"http:\/\/www.euroswitch.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}