{"id":100295,"date":"2026-02-15T20:32:21","date_gmt":"2026-02-15T20:32:21","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100295"},"modified":"2026-03-05T15:34:45","modified_gmt":"2026-03-05T15:34:45","slug":"vibration-sensor-sensitivity","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/bn\/calculators\/vibration-sensor-sensitivity\/","title":{"rendered":"Vibration Sensor Sensitivity Calculator | Vibromera"},"content":{"rendered":"\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Vibration Sensor Sensitivity Calculator\",\"description\":\"Calculate sensor output voltage from sensitivity and vibration level.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/vibration-sensor-sensitivity\/\",\"applicationCategory\":\"Engineering Calculator\",\"operatingSystem\":\"Any (Web Browser)\",\"offers\":{\"@type\":\"Offer\",\"price\":\"0\",\"priceCurrency\":\"EUR\"},\"creator\":{\"@type\":\"Organization\",\"name\":\"Vibromera\",\"url\":\"https:\/\/vibromera.eu\/\"},\"datePublished\":\"2024-01-01\",\"dateModified\":\"2025-02-14\",\"inLanguage\":\"en\",\"isAccessibleForFree\":true}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"What is sensor sensitivity?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sensor sensitivity is the ratio of electrical output to mechanical input. For accelerometers, it's typically expressed in mV\/g (e.g., 100 mV\/g). For velocity sensors, mV\/(mm\/s) or mV\/(in\/s). Higher sensitivity means larger output signal for the same vibration level.\"}},\n{\"@type\":\"Question\",\"name\":\"How do I choose the right sensitivity?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Higher sensitivity (e.g., 500 mV\/g) gives better signal-to-noise ratio for low-level vibration but limits the maximum measurable level. Lower sensitivity (e.g., 10 mV\/g) is needed for high-g measurements. Match sensitivity to expected vibration levels and DAQ input range.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the dynamic range of a sensor?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Dynamic range is the ratio between the maximum measurable signal and the noise floor, usually expressed in dB. For IEPE sensors, max output is typically \u00b15V peak. Dynamic range = 20\u00d7log10(Vmax\/Vnoise).\"}},\n{\"@type\":\"Question\",\"name\":\"What is IEPE (ICP) sensor powering?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"IEPE (Integrated Electronics Piezo-Electric) sensors require constant-current excitation (typically 2-20 mA) at 18-30V DC bias. The AC vibration signal rides on top of the DC bias. ICP is a trademark of PCB Piezotronics for IEPE technology.\"}},\n{\"@type\":\"Question\",\"name\":\"Can I use a voltage divider to match sensor output to my DAQ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, but it reduces signal-to-noise ratio. Better approaches: use a sensor with appropriate sensitivity, adjust DAQ input range, or use a signal conditioner with programmable gain.\"}}\n]}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[\n{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vibromera.eu\/\"},\n{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculators\",\"item\":\"https:\/\/vibromera.eu\/calculators\/\"},\n{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Vibration Sensor Sensitivity\",\"item\":\"https:\/\/vibromera.eu\/calculators\/vibration-sensor-sensitivity\/\"}\n]}\n<\/script>\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n\n<link 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16px;font-size:13px;color:var(--vc-ink-muted)}.vc-footer a{color:var(--vc-accent);text-decoration:none}.vc-footer a:hover{text-decoration:underline}.vc-footer-links{margin-top:8px;font-size:12px}.vc-footer-links a{margin:0 8px}\n@media print{.vc-section-body{max-height:none!important}.vc-faq-a{max-height:none!important}.vc-results{max-height:none!important;padding:24px!important}.vc-copy-btn,.vc-section-chevron,.vc-faq-chevron,.vc-presets,.vc-promo{display:none!important}}\n<\/style>\n\n<div class=\"vc-calculator\" id=\"vc-sensor-sensitivity\">\n\n<header class=\"vc-header\">\n    <p class=\"vc-header-eyebrow\">Free Engineering Tool \u2014 #017<\/p>\n    <h1 class=\"vc-header-title\">Vibration Sensor Sensitivity Calculator<\/h1>\n    <p class=\"vc-header-subtitle\">Calculate sensor output signal voltage from sensitivity and vibration level. Determine dynamic range and maximum measurable amplitude for IEPE accelerometers and velocity sensors.<\/p>\n    <div class=\"vc-badges\"><span class=\"vc-badge\">Accelerometer<\/span><span class=\"vc-badge\">Velocity Sensor<\/span><span class=\"vc-badge\">mV\/g \u00b7 mV\/(mm\/s)<\/span><\/div>\n<\/header>\n\n<div class=\"vc-card\">\n    <form class=\"vc-form\" id=\"vc-form\" autocomplete=\"off\">\n        <div class=\"vc-form-grid\">\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-sens\">Sensor Sensitivity<\/label>\n                <input class=\"vc-input\" type=\"number\" id=\"vc-sens\" inputmode=\"decimal\" step=\"any\" min=\"0.001\" placeholder=\"e.g. 100\" value=\"100\">\n            <\/div>\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-sens-unit\">Sensitivity Unit<\/label>\n                <select class=\"vc-select\" id=\"vc-sens-unit\">\n                    <option value=\"mV\/g\" selected>mV\/g (accelerometer)<\/option>\n                    <option value=\"mV\/ms\">mV\/(mm\/s) (velocity)<\/option>\n                    <option value=\"pC\/g\">pC\/g (charge-mode accel)<\/option>\n                <\/select>\n            <\/div>\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-level\">Vibration Level <span class=\"vc-label-hint\" id=\"vc-level-hint\">(g peak)<\/span><\/label>\n                <input class=\"vc-input\" type=\"number\" id=\"vc-level\" inputmode=\"decimal\" step=\"any\" min=\"0\" placeholder=\"e.g. 5\" value=\"5\">\n            <\/div>\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-supply\">Max Output Voltage <span class=\"vc-label-hint\">(V peak, IEPE limit)<\/span><\/label>\n                <input class=\"vc-input\" type=\"number\" id=\"vc-supply\" inputmode=\"decimal\" step=\"any\" min=\"0.1\" placeholder=\"e.g. 5\" value=\"5\">\n            <\/div>\n        <\/div>\n        <div class=\"vc-presets\">\n            <div class=\"vc-presets-label\">Quick presets<\/div>\n            <button type=\"button\" class=\"vc-preset-btn\" data-s=\"100\" data-u=\"mV\/g\" data-l=\"10\" data-v=\"5\">100 mV\/g accel \u2014 10 g<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-s=\"500\" data-u=\"mV\/g\" data-l=\"2\" data-v=\"5\">500 mV\/g low-freq \u2014 2 g<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-s=\"10\" data-u=\"mV\/g\" data-l=\"500\" data-v=\"5\">10 mV\/g shock \u2014 500 g<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-s=\"20\" data-u=\"mV\/ms\" data-l=\"25\" data-v=\"5\">20 mV\/(mm\/s) vel \u2014 25 mm\/s<\/button>\n        <\/div>\n    <\/form>\n\n    <div class=\"vc-results\" id=\"vc-results\">\n        <div class=\"vc-results-head\">\n            <h2 class=\"vc-results-title\">Results<\/h2>\n            <button type=\"button\" class=\"vc-copy-btn\" id=\"vc-copy-btn\"><svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\"\/><path d=\"M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1\"\/><\/svg> Copy<\/button>\n        <\/div>\n        <div class=\"vc-result-grid\">\n            <div class=\"vc-rcard vc-rcard-primary\">\n                <div class=\"vc-rcard-label\">Output Signal Voltage<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-voltage\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Max Measurable Level<\/div><div class=\"vc-rcard-value\" id=\"vc-r-maxlevel\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Output as % of Full Scale<\/div><div class=\"vc-rcard-value\" id=\"vc-r-pct\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Dynamic Range<\/div><div class=\"vc-rcard-value\" id=\"vc-r-dr\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Signal Level (dBV)<\/div><div class=\"vc-rcard-value\" id=\"vc-r-dbv\">\u2014<\/div><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"vc-section vc-open\" id=\"vc-sec-theory\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"true\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udcd8<\/span><span class=\"vc-section-title\">Theory &amp; Formulas<\/span><\/span><svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner vc-theory\">\n            <h3>Output Signal Voltage<\/h3>\n            <div class=\"vc-formula-box\" id=\"vc-katex-1\"><\/div>\n            <h3>Maximum Measurable Level<\/h3>\n            <div class=\"vc-formula-box\" id=\"vc-katex-2\"><\/div>\n            <h3>Common Sensor Types<\/h3>\n            <table class=\"vc-table\">\n                <thead><tr><th>Type<\/th><th>Typical Sensitivity<\/th><th>Range<\/th><th>Freq Range<\/th><\/tr><\/thead>\n                <tbody>\n                    <tr><td>General IEPE accel<\/td><td>100 mV\/g<\/td><td>\u00b150 g<\/td><td>0.5\u201310 kHz<\/td><\/tr>\n                    <tr><td>Low-frequency accel<\/td><td>500\u20131000 mV\/g<\/td><td>\u00b15 g<\/td><td>0.1\u20131 kHz<\/td><\/tr>\n                    <tr><td>Shock accel<\/td><td>1\u201310 mV\/g<\/td><td>\u00b1500\u20135000 g<\/td><td>1\u201320 kHz<\/td><\/tr>\n                    <tr><td>Velocity sensor<\/td><td>4\u201320 mV\/(mm\/s)<\/td><td>0.1\u2013100 mm\/s<\/td><td>1\u20131 kHz<\/td><\/tr>\n                <\/tbody>\n            <\/table>\n            <div class=\"vc-example-box\">\n                <div class=\"vc-example-title\">Example \u2014 Standard Accelerometer<\/div>\n                <p><strong>Given:<\/strong> Sensitivity = 100 mV\/g, Vibration = 5 g pk, Max output = 5 V pk<\/p>\n                <p>V<sub>out<\/sub> = 100 \u00d7 5 \/ 1000 = <strong>0.500 V peak<\/strong><\/p>\n                <p>Max level = 5000 \/ 100 = <strong>50 g peak<\/strong><\/p>\n                <p>Output = 0.5 \/ 5 \u00d7 100 = <strong>10% of full scale<\/strong><\/p>\n            <\/div>\n            <div class=\"vc-warning-box\"><p style=\"margin:0;font-size:14px;color:var(--vc-ink-secondary);\"><strong>\u26a0\ufe0f Note:<\/strong> Exceeding the maximum output voltage clips the signal, causing distortion. Always verify that expected vibration levels stay within sensor range.<\/p><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"vc-section\" id=\"vc-sec-related\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udd17<\/span><span class=\"vc-section-title\">Related Calculators<\/span><\/span><svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button>\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner\"><div class=\"vc-related\">\n        <a class=\"vc-related-link\" href=\"\/calculators\/vibration-overall-level\/\">Overall Vibration Level<\/a>\n        <a class=\"vc-related-link\" href=\"\/calculators\/proximity-probe-setup\/\">Proximity Probe Setup<\/a>\n        <a class=\"vc-related-link\" href=\"\/calculators\/vibration-instrument-class\/\">Instrument Class (ISO 2954)<\/a>\n        <a class=\"vc-related-link\" href=\"\/calculators\/vibration-phase-angle\/\">Phase Angle Calculator<\/a>\n    <\/div><\/div><\/div>\n<\/div>\n\n<div class=\"vc-section\" id=\"vc-sec-faq\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\u2753<\/span><span class=\"vc-section-title\">Frequently Asked Questions<\/span><\/span><svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button>\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner\"><div class=\"vc-faq-list\" id=\"vc-faq-list\"><\/div><\/div><\/div>\n<\/div>\n\n<div class=\"vc-promo\"><div class=\"vc-promo-text\"><strong>Vibromera \u2014 Portable Balancing &amp; Vibration Analysis<\/strong><br>Professional vibration sensors and analyzers for field measurements. Compatible with standard IEPE sensors. Used in 50+ countries.<\/div><a class=\"vc-promo-link\" href=\"https:\/\/vibromera.eu\/\" target=\"_blank\" rel=\"noopener\">Learn More<\/a><\/div>\n\n<footer class=\"vc-footer\">\n    <p>\u00a9 2024\u20132025 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a> \u2014 Engineering Calculators<\/p>\n    <p style=\"font-size:12px;margin-top:4px;\">Vibration sensor sensitivity and output calculation. Last updated: February 2025<\/p>\n    <div class=\"vc-footer-links\"><a href=\"\/calculators\/engineering-calculators\/\">All Calculators<\/a><a href=\"https:\/\/vibromera.eu\/contacts\/\">Contact<\/a><\/div>\n<\/footer>\n<\/div>\n\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/katex@0.16.11\/dist\/katex.min.js\"><\/script>\n<script>\n(function(){\n    'use strict';\n    var SLUG='vibration-sensor-sensitivity';\n    function $(id){return document.getElementById(id)}\n    function fmt(n,d){if(isNaN(n)||!isFinite(n))return '\u2014';var f=n.toFixed(d===undefined?3:d);return f.replace(\/(\\.\\d*?)0+$\/,'$1').replace(\/\\.$\/,'')}\n\n    function calculate(){\n        var sens=parseFloat($('vc-sens').value);\n        var level=parseFloat($('vc-level').value);\n        var supply=parseFloat($('vc-supply').value);\n        var unit=$('vc-sens-unit').value;\n        if(!sens||sens<=0||isNaN(level)||level<0||!supply||supply<=0){$('vc-results').classList.remove('vc-visible');return}\n\n        var vOut=sens*level\/1000; \/\/ V\n        var maxLevel=supply*1000\/sens;\n        var pctFS=(vOut\/supply)*100;\n        var dBV=20*Math.log10(Math.max(vOut,1e-12));\n\n        var levelUnit=unit==='mV\/g'?'g pk':unit==='mV\/ms'?'mm\/s pk':'g pk';\n        $('vc-level-hint').textContent='('+levelUnit.replace(' pk','')+')';\n\n        $('vc-r-voltage').innerHTML=fmt(vOut,3)+' <span class=\"vc-rcard-unit\">V peak<\/span>'+(vOut*1000<1000?' <span class=\"vc-rcard-unit\">('+fmt(vOut*1000,1)+' mV)<\/span>':'');\n        $('vc-r-maxlevel').innerHTML=fmt(maxLevel,1)+' <span class=\"vc-rcard-unit\">'+levelUnit+'<\/span>';\n        $('vc-r-pct').innerHTML=fmt(pctFS,1)+' <span class=\"vc-rcard-unit\">%<\/span>'+(pctFS>90?' <span style=\"color:var(--vc-red);font-size:12px\">\u26a0 Near clipping<\/span>':'');\n        $('vc-r-dr').innerHTML=fmt(20*Math.log10(supply*1000\/1),0)+' <span class=\"vc-rcard-unit\">dB (ref 1 mV noise)<\/span>';\n        $('vc-r-dbv').innerHTML=fmt(dBV,1)+' <span class=\"vc-rcard-unit\">dBV<\/span>';\n        $('vc-results').classList.add('vc-visible');\n\n        saveHistory({sens:sens,unit:unit,level:level,vOut:fmt(vOut,3),_summary:sens+' '+unit+' \u00d7 '+level+' \u2192 '+fmt(vOut,3)+' V'});\n    }\n\n    $('vc-sens-unit').addEventListener('change',function(){\n        var u=this.value;\n        $('vc-level-hint').textContent=u==='mV\/g'?'(g peak)':u==='mV\/ms'?'(mm\/s peak)':'(g peak)';\n        calculate();\n    });\n\n    document.querySelectorAll('.vc-preset-btn').forEach(function(btn){btn.addEventListener('click',function(e){e.preventDefault();$('vc-sens').value=this.getAttribute('data-s');$('vc-sens-unit').value=this.getAttribute('data-u');$('vc-level').value=this.getAttribute('data-l');$('vc-supply').value=this.getAttribute('data-v');calculate()})});\n    $('vc-form').addEventListener('input',calculate);\n    $('vc-form').addEventListener('change',calculate);\n\n    $('vc-copy-btn').addEventListener('click',function(){\n        var text='Sensor Sensitivity Calculation\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\nSensitivity: '+$('vc-sens').value+' '+$('vc-sens-unit').value+'\\nVibration Level: '+$('vc-level').value+'\\nOutput Voltage: '+$('vc-r-voltage').textContent+'\\nMax Level: '+$('vc-r-maxlevel').textContent+'\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\nvibromera.eu\/calculators\/vibration-sensor-sensitivity\/';\n        if(navigator.clipboard){navigator.clipboard.writeText(text).then(function(){var b=$('vc-copy-btn');b.classList.add('vc-copied');b.innerHTML='<svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg> Copied!';setTimeout(function(){b.classList.remove('vc-copied');b.innerHTML='<svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\"\/><path d=\"M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1\"\/><\/svg> Copy'},2000)})}\n    });\n\n    document.querySelectorAll('.vc-section-toggle').forEach(function(btn){btn.addEventListener('click',function(){var s=this.closest('.vc-section');s.classList.toggle('vc-open');this.setAttribute('aria-expanded',s.classList.contains('vc-open'))})});\n\n    var faqData=[\n        {q:'What is sensor sensitivity?',a:'<p>Sensor sensitivity is the ratio of electrical output to mechanical input. For accelerometers, typically in mV\/g. Higher sensitivity means larger output signal for the same vibration level but lower maximum measurement range.<\/p>'},\n        {q:'How do I choose the right sensitivity?',a:'<p>Match sensitivity to expected levels and DAQ input range. High sensitivity (500 mV\/g) for low vibration; low sensitivity (10 mV\/g) for shock\/high-g applications. Keep output below max voltage to avoid clipping.<\/p>'},\n        {q:'What is the dynamic range of a sensor?',a:'<p>Dynamic range = max signal \/ noise floor, in dB. For IEPE sensors with \u00b15V max output and ~1 mV noise, DR \u2248 74 dB. Higher supply voltage and lower noise floor increase dynamic range.<\/p>'},\n        {q:'What is IEPE (ICP) sensor powering?',a:'<p>IEPE sensors need constant-current excitation (2\u201320 mA) at 18\u201330V DC bias. The AC vibration signal rides on the DC bias. ICP\u00ae is PCB Piezotronics\\' trademark for IEPE technology.<\/p>'},\n        {q:'Can sensitivity change over time?',a:'<p>Yes. Sensor sensitivity drifts due to aging, temperature, cable damage, and mechanical shock. Annual calibration is recommended. 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