{"id":100064,"date":"2026-02-15T20:14:34","date_gmt":"2026-02-15T20:14:34","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100064"},"modified":"2026-02-15T20:14:34","modified_gmt":"2026-02-15T20:14:34","slug":"condition-monitoring-method-selector","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/bn\/calculators\/condition-monitoring-method-selector\/","title":{"rendered":"\u0985\u09ac\u09b8\u09cd\u09a5\u09be \u09aa\u09b0\u09cd\u09af\u09ac\u09c7\u0995\u09cd\u09b7\u09a3 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u0995 | ISO 17359"},"content":{"rendered":"\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Condition Monitoring Method Selector\",\"alternateName\":[\"CBM Technique Selector\",\"Predictive Maintenance Tool Selector\"],\"description\":\"Free condition monitoring method selector per ISO 17359. Choose machine type and fault to find recommended monitoring methods, measurement parameters, and sensor types.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/condition-monitoring-method-selector\/\",\"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 condition monitoring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Condition monitoring (CM) is the process of measuring specific parameters of machinery (vibration, temperature, oil condition, etc.) to identify changes that indicate developing faults. It enables predictive maintenance \u2014 repairing equipment based on actual condition rather than fixed time intervals.\"}},\n{\"@type\":\"Question\",\"name\":\"What does ISO 17359 cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ISO 17359 provides guidelines for the general procedures of condition monitoring and diagnostics of machines. It covers the process of establishing a CM program, selecting monitoring methods, setting alarm criteria, and determining diagnostic procedures.\"}},\n{\"@type\":\"Question\",\"name\":\"Which monitoring method is best for bearing faults?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Vibration analysis is the primary method for bearing fault detection. Techniques include envelope analysis (high-frequency demodulation), shock pulse measurement (SPM), and acoustic emission. Oil analysis (particle counting, ferrography) provides complementary information.\"}},\n{\"@type\":\"Question\",\"name\":\"When should I use thermography vs vibration analysis?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Vibration analysis excels at detecting mechanical faults (unbalance, misalignment, bearing wear, gear defects). Thermography is best for electrical faults (loose connections, overloaded circuits), insulation problems, and thermal anomalies. Many programs use both techniques together.\"}},\n{\"@type\":\"Question\",\"name\":\"What is motor current signature analysis (MCSA)?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MCSA analyzes the current waveform of an electric motor to detect rotor bar defects, air gap eccentricity, and load-related faults. 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class=\"vc-calculator\" id=\"vc-cm-selector\">\n\n<header class=\"vc-header\">\n    <p class=\"vc-header-eyebrow\">Free Engineering Tool<\/p>\n    <h1 class=\"vc-header-title\">Condition Monitoring Method Selector<\/h1>\n    <p class=\"vc-header-subtitle\">Select the right condition monitoring technique per ISO 17359. Choose machine type and fault to detect \u2014 get recommended methods, sensors, and parameters.<\/p>\n    <div class=\"vc-badges\"><span class=\"vc-badge\">ISO 17359<\/span><span class=\"vc-badge\">Predictive Maintenance<\/span><span class=\"vc-badge\">CBM<\/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-machine\">Machine Type<\/label>\n                <select class=\"vc-select\" id=\"vc-machine\">\n                    <option value=\"pump\">Centrifugal Pump<\/option>\n                    <option value=\"motor\">Electric Motor<\/option>\n                    <option value=\"compressor\">Compressor<\/option>\n                    <option value=\"turbine\">Turbine<\/option>\n                    <option value=\"gearbox\">Gearbox<\/option>\n                    <option value=\"fan\">Fan \/ Blower<\/option>\n                <\/select>\n            <\/div>\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-fault\">Fault to Detect<\/label>\n                <select class=\"vc-select\" id=\"vc-fault\">\n                    <option value=\"unbalance\">Unbalance<\/option>\n                    <option value=\"misalignment\">Misalignment<\/option>\n                    <option value=\"bearing\">Bearing Defect<\/option>\n                    <option value=\"gear\">Gear Defect<\/option>\n                    <option value=\"electrical\">Electrical Fault<\/option>\n                    <option value=\"cavitation\">Cavitation<\/option>\n                    <option value=\"looseness\">Mechanical Looseness<\/option>\n                <\/select>\n            <\/div>\n        <\/div>\n        <div class=\"vc-presets\">\n            <div class=\"vc-presets-label\">Common scenarios<\/div>\n            <button type=\"button\" class=\"vc-preset-btn\" data-m=\"pump\" data-f=\"bearing\">Pump \u2014 Bearing<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-m=\"motor\" data-f=\"electrical\">Motor \u2014 Electrical<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-m=\"gearbox\" data-f=\"gear\">Gearbox \u2014 Gear<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-m=\"fan\" data-f=\"unbalance\">Fan \u2014 Unbalance<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-m=\"pump\" data-f=\"cavitation\">Pump \u2014 Cavitation<\/button>\n        <\/div>\n    <\/form>\n\n    <div class=\"vc-results vc-visible\" id=\"vc-results\">\n        <div class=\"vc-results-head\"><h2 class=\"vc-results-title\">Recommended Methods<\/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 id=\"vc-r-body\"><\/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\">Monitoring Methods Overview<\/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 vc-theory\">\n        <h3>Condition Monitoring Techniques<\/h3>\n        <table class=\"vc-table\">\n            <thead><tr><th>Method<\/th><th>Standards<\/th><th>Best For<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td>Vibration Analysis<\/td><td>ISO 10816, ISO 20816<\/td><td>Unbalance, misalignment, bearing, gear, looseness<\/td><\/tr>\n                <tr><td>Thermography<\/td><td>ISO 18434<\/td><td>Electrical faults, insulation, overheating, steam traps<\/td><\/tr>\n                <tr><td>Oil Analysis<\/td><td>ISO 4406, ISO 4407<\/td><td>Bearing wear, contamination, gear wear<\/td><\/tr>\n                <tr><td>Acoustic Emission<\/td><td>ISO 22096<\/td><td>Early bearing faults, crack detection, leaks<\/td><\/tr>\n                <tr><td>Motor Current Analysis<\/td><td>IEEE 519<\/td><td>Rotor bar defects, eccentricity, electrical faults<\/td><\/tr>\n                <tr><td>Ultrasound<\/td><td>\u2014<\/td><td>Leaks, bearing lubrication, electrical discharge<\/td><\/tr>\n            <\/tbody>\n        <\/table>\n        <div class=\"vc-info-box\"><p><strong>ISO 17359<\/strong> recommends selecting monitoring methods based on the specific fault type, machine criticality, and cost-effectiveness. A combination of methods provides the most reliable fault detection.<\/p><\/div>\n    <\/div><\/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\/equipment-failure-classifier\/\">Equipment Failure Classifier<\/a>\n        <a class=\"vc-related-link\" href=\"\/calculators\/thermography-limits\/\">Thermography Limits<\/a>\n        <a class=\"vc-related-link\" href=\"\/calculators\/balancing-machine-sensitivity\/\">Balancing Machine Sensitivity<\/a>\n        <a class=\"vc-related-link\" href=\"\/calculators\/residual-unbalance-iso1940\/\">Residual Unbalance (ISO 1940)<\/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 analyzers and portable balancing systems for condition monitoring programs.<\/div><a class=\"vc-promo-link\" href=\"https:\/\/vibromera.eu\/\" target=\"_blank\" rel=\"noopener\">Learn More<\/a><\/div>\n<footer class=\"vc-footer\"><p>&copy; 2024\u20132025 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a> \u2014 Engineering Calculators<\/p><p style=\"font-size:12px;margin-top:4px;\">Based on ISO 17359. Last updated: February 2025<\/p><div class=\"vc-footer-links\"><a href=\"\/calculators\/engineering-calculators\/\">All Calculators<\/a><a href=\"https:\/\/vibromera.eu\/contacts\/\">Contact<\/a><\/div><\/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';\nfunction $(id){return document.getElementById(id)}\nvar DB={\n    unbalance:{primary:'Vibration Analysis',primaryDesc:'Dominant 1\u00d7 RPM peak in velocity spectrum. Measure on bearing housings in radial direction (horizontal and vertical).',sensor:'Accelerometer (100 mV\/g) or velocity sensor on bearing housing',params:'Overall velocity (mm\/s RMS), 1\u00d7 amplitude, phase angle',secondary:'Portable Balancing',secondaryDesc:'On-site single\/two-plane balancing with trial weight method per ISO 21940.',standards:'ISO 10816, ISO 20816, ISO 21940-11',notes:'1\u00d7 RPM component is the primary indicator. Phase measurement is essential for distinguishing unbalance from other 1\u00d7 faults like misalignment.'},\n    misalignment:{primary:'Vibration Analysis',primaryDesc:'Strong 2\u00d7 RPM (and sometimes 1\u00d7 and 3\u00d7) in spectrum. High axial vibration indicates angular misalignment; radial vibration indicates offset misalignment.',sensor:'Triaxial accelerometer or separate axial + radial sensors',params:'1\u00d7, 2\u00d7, 3\u00d7 amplitudes, axial-to-radial ratio, phase',secondary:'Laser Alignment',secondaryDesc:'Direct shaft alignment measurement using laser tools to verify and correct alignment.',standards:'ISO 10816, ISO 20816',notes:'2\u00d7 RPM is the classic indicator. Check coupling condition. Thermal growth must be considered for hot-running machines.'},\n    bearing:{primary:'Vibration Analysis (Envelope\/Demodulation)',primaryDesc:'High-frequency demodulation reveals bearing defect frequencies (BPFO, BPFI, BSF, FTF). 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Time synchronous averaging improves SNR.',sensor:'Accelerometer mounted on gearbox housing near bearings',params:'GMF amplitude, sideband spacing and amplitude, overall acceleration',secondary:'Oil Analysis',secondaryDesc:'Ferrography reveals gear wear particles. Particle shape analysis distinguishes cutting, fatigue, and abrasive wear.',standards:'ISO 10816, AGMA 110.04',notes:'Sidebands around GMF spaced at shaft RPM indicate individual tooth problems. Increasing sideband amplitude relative to GMF indicates progressing damage.'},\n    electrical:{primary:'Motor Current Signature Analysis (MCSA)',primaryDesc:'Analyzes motor supply current spectrum for sidebands around line frequency. Detects rotor bar faults, air gap eccentricity, and load anomalies.',sensor:'Current clamp (CT) on motor supply cable \u2014 non-invasive',params:'Pole pass frequency sidebands (f\u2081 \u00b1 2sf\u2081), eccentricity sidebands, current spectrum',secondary:'Thermography',secondaryDesc:'IR camera detects hot spots on motor body, connections, and windings. Identifies phase imbalance, overloaded connections, and cooling issues.',standards:'IEEE 519, IEC 60034',notes:'Also check insulation resistance (megger test), partial discharge, and motor winding temperature. MCSA is particularly useful for motors in hazardous areas.'},\n    cavitation:{primary:'Vibration Analysis (High-Frequency)',primaryDesc:'Broadband high-frequency energy (typically >5 kHz). Random, non-periodic noise signature. May see modulation at blade pass frequency.',sensor:'High-frequency accelerometer (\u226520 kHz) or acoustic emission sensor',params:'High-frequency RMS, acoustic emission RMS, audible noise level',secondary:'Process Monitoring',secondaryDesc:'Monitor NPSH available vs required, suction pressure, flow rate. Ensure adequate submergence and no suction line restrictions.',standards:'ISO 10816, Hydraulic Institute Standards',notes:'Cavitation produces distinctive crackling\/popping sound. Check: low suction head, high temperature, blocked strainer, excessive flow. Damage appears as pitting on impeller.'},\n    looseness:{primary:'Vibration Analysis',primaryDesc:'Multiple harmonics of 1\u00d7 RPM (\u00bd\u00d7, 1\u00d7, 2\u00d7, 3\u00d7, \u2026). Sub-harmonics (\u00bd\u00d7) indicate nonlinear response from clearance. Waveform shows truncation\/asymmetry.',sensor:'Accelerometer on bearing housing, base, and foundation',params:'Sub-harmonic (\u00bd\u00d7) and multiple harmonics, overall velocity, waveform shape',secondary:'Visual Inspection \/ Stroboscope',secondaryDesc:'Inspect bolt torque, foundation cracks, soft foot. Use stroboscope to observe relative movement between components.',standards:'ISO 10816, ISO 20816',notes:'Type A: structural looseness (base\/foundation). Type B: component looseness (bearing cap). Type C: rotating looseness (excessive clearance). Phase instability is a key indicator.'}\n};\n\nfunction update(){\n    var fault=$('vc-fault').value;\n    var d=DB[fault]; if(!d)return;\n    var html='<div class=\"vc-result-grid\">';\n    html+='<div class=\"vc-rcard vc-rcard-primary\"><div class=\"vc-rcard-label\">Primary Method<\/div><div class=\"vc-rcard-value\">'+d.primary+'<\/div><div class=\"vc-rcard-desc\">'+d.primaryDesc+'<\/div><\/div>';\n    html+='<div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Secondary \/ Complementary Method<\/div><div class=\"vc-rcard-value\" style=\"font-size:16px\">'+d.secondary+'<\/div><div class=\"vc-rcard-desc\">'+d.secondaryDesc+'<\/div><\/div>';\n    html+='<div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Standards<\/div><div class=\"vc-rcard-value\" style=\"font-size:14px\">'+d.standards+'<\/div><\/div>';\n    html+='<div class=\"vc-rcard\" style=\"grid-column:1\/-1\"><div class=\"vc-rcard-label\">Recommended Sensor<\/div><div class=\"vc-rcard-desc\" style=\"margin-top:0\">'+d.sensor+'<\/div><\/div>';\n    html+='<div class=\"vc-rcard\" style=\"grid-column:1\/-1\"><div class=\"vc-rcard-label\">Key Parameters to Monitor<\/div><div class=\"vc-rcard-desc\" style=\"margin-top:0\">'+d.params+'<\/div><\/div>';\n    html+='<div class=\"vc-rcard\" style=\"grid-column:1\/-1\"><div class=\"vc-rcard-label\">Additional Notes<\/div><div class=\"vc-rcard-desc\" style=\"margin-top:0\">'+d.notes+'<\/div><\/div>';\n    html+='<\/div>';\n    $('vc-r-body').innerHTML=html;\n    $('vc-results').classList.add('vc-visible');\n}\n\n$('vc-machine').addEventListener('change',update);\n$('vc-fault').addEventListener('change',update);\n\ndocument.querySelectorAll('.vc-preset-btn').forEach(function(btn){btn.addEventListener('click',function(e){e.preventDefault();$('vc-machine').value=this.getAttribute('data-m');$('vc-fault').value=this.getAttribute('data-f');update()})});\n\n$('vc-copy-btn').addEventListener('click',function(){var text='Condition Monitoring Recommendation\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\n'+$('vc-r-body').textContent.replace(\/\\s+\/g,' ').trim()+'\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\nvibromera.eu\/calculators\/condition-monitoring-method-selector\/';if(navigator.clipboard){navigator.clipboard.writeText(text).then(function(){var b=$('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\ndocument.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\nvar faqData=[\n    {q:'What is condition monitoring?',a:'<p>Condition monitoring (CM) measures specific parameters of machinery \u2014 vibration, temperature, oil condition, current \u2014 to identify changes that indicate developing faults. It enables <strong>predictive maintenance<\/strong>: repairing equipment based on actual condition rather than fixed time intervals.<\/p>'},\n    {q:'What does ISO 17359 cover?',a:'<p>ISO 17359 provides guidelines for establishing a CM program: selecting monitoring methods, setting <strong>alarm criteria<\/strong>, and determining diagnostic procedures. It is the framework standard that references specific technique standards like ISO 10816 (vibration) and ISO 18434 (thermography).<\/p>'},\n    {q:'Which method is best for bearing faults?',a:'<p><strong>Vibration analysis (envelope\/demodulation)<\/strong> is the primary method. Complementary techniques include shock pulse measurement, acoustic emission, and oil analysis (ferrography). 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