Step 8 of 10: Condition Monitoring
CONDITION MONITORING
CONDITION MONITORING
Measure what matters.
Act before failure.
Measure what matters.
Act before failure.
FAILURES RARELY HAPPEN WITHOUT WARNING
Lubrication reliability is not achieved simply by applying the right lubricant correctly. After protecting it from contamination, the next question is a different one.
How do we know the lubricant and the machine are still in good condition?
A machine can keep running while, underneath, conditions are already changing:
- Lubricant properties deteriorate
- Contamination increases
- Wear particles accumulate
- Viscosity changes, or water enters the lubricant
- Abnormal wear or operating concitions develop
Condition monitoring helps detect change before it becomes failure. By the time a failure is visible, significant damage may already have occurred.
WHAT SHOULD WE MONITOR?
Monitor both the lubricant and the machine. They tell you different parts of the same story.
Lubricant condition
Is the lubricant still fit for service? Viscosity, oxidation, water and additive condition all indicate whether protection is holding up.
Contamination
Contamination
Particle count, ISO 4406 cleanliness, water and dirt ingress reveal what could cause accelerated wear.
Wear
Wear
Wear metals, ferrous particles and debris show whether the machine is generating abnormal wear.
Equipment condition
Equipment condition
Vibration, temperature, load, pressure and operating hours monitor the machine itself.
MORE THAN OIL ANALYSIS
Condition monitoring should not be presented simply as "oil analysis". It is the combination of lubricant analysis, equipment condition and operating data that produces better maintenance decisions. Different technologies answer different questions:
| Oil analysis | "What is happening to the lubricant?" |
| Particle/cleanliness analysis | "How clean is the lubricant?" |
| Vibration monitoring | "What is happening inside the machine?" |
| Temperature monitoring | "Is the machine operating outside normal conditions?" |
| Visual inspection | "What has changed physically?" |
The objective is not to collect more data. The objective is to collect the right data and turn it into an actionable maintenance decision.
HOW TO START A CONDITION MONITORING PROGRAMME
To implement a successful programme:
To implement a successful programme:
1. Define Objectives
Set goals like reducing downtime, extending equipment life, or optimizing oil changes. Select critical equipment based on failure impact.
2. Install Sampling Hardware
Install sample ports downstream of bearings and gears but upstream of filters. Ensure safe and consistent sample collection while equipment is running.
3. Establish Baselines
Take baseline samples from new equipment or after oil changes. Determine sampling frequency based on equipment criticality and operating environment.
4. Choose Analysis Partner
Decide between accredited off-site laboratory or on-site analysis equipment. Consider a hybrid approach for balance of capabilities and speed.
5. Define Test Slates
Work with your lab to select standard tests for different equipment types. Include elemental spectroscopy, viscosity, water content, and particle counting.
6. Train Personnel
Ensure all personnel are trained in proper sampling techniques to prevent contamination. Document all procedures, including sampling locations and frequency.
7. Set Action Limits
Establish multi-tier alarm limits based on OEM guidelines, industry standards, and historical trend data from specific machines.
8. Integrate Systems
Integrate with CMMS to ensure automatic work orders are generated when alarms are triggered, and track corrective actions.
"Measure what matters,
maintain what's measured"
FROM DATA TO DECISION
A measurement has little value unless it leads to a decision.
Verification feeds back into the next measurement - condition monitoring is a loop, not a one-off check.
"Trend the condition. Don't just record the result."
WHY TRENDING MATTERS
One measurement provides a snapshot. Repeated measurements reveal direction. Tracking condition through normal → change → warning → action is what turns a single result into an early warning — particularly for lubricant analysis and contamination monitoring.
SAMPLING MATTERS
A laboratory cannot correct a poor sample
Good data starts with a good sample: the correct location, clean equipment, a consistent procedure, the right interval, correct labelling, and results compared over time rather than read in isolation.
The right sample is taken mid-stream, below the fill level, and upstream of the return filter,
where the oil best reflects what the machine is actually generating.
Lubretec supplies the equipment that makes this practical in the field - from vacuum pumps and sampling bottles to the EZ-SAM automatic oil sampling pump, and arranges testing through an ISO-accredited lab partner rather than running an in-house lab.
Vacuum
pumps
pumps
Clean, controlled draw for representative sampling
Sampling
bottles
bottles
Sealed, contamination-free HDPE bottles
EZ-SAM
pump
pump
Automatic sampling for consistent repeatable draws
Oil analysis
tests
tests
Test packages via our ISO-accredited lab partner
See the full sampling toolkit and lab-backed test packages, including how a sample is logged, tested and reported.
What condition monitoring gives your maintenance team
Earlier warning
Identify abnormal conditions before failure.
Better maintenance decisions
Base interventions on actual equipment condition.
Less unnecessary maintenance
Less unnecessary maintenance
Avoid replacing lubricant or components simply because a calendar interval has been reached.
Improved failure analysis
Improved failure analysis
Use condition data to identify developing failure mechanisms.
Better lubricant management
Better lubricant management
Know when lubricant condition is changing and when action is required.
Higher equipment reliability
Higher equipment reliability
Turn condition information into targeted maintenance actions.
PART OF THE LUBRICATION RELIABILITY™ JOURNEY
Protecting the lubricant is only half the job. You also need to know whether it is still doing its job.
THE LUBRETEC APPROACH
Lubretec helps maintenance teams implement practical condition-monitoring solutions: oil sampling equipment, oil analysis through an accredited lab partner, clean and representative sampling, particle and cleanliness monitoring (ISO 4406), and supporting condition-monitoring equipment for data-driven maintenance decisions.
The right monitoring strategy depends on the machine, lubricant, operating conditions, criticality and failure modes, not on a fixed product list. Our oil analysis services and sampling tools page covers the full toolkit and what happens to a sample after it leaves your site.
Turn condition into action.
Turn condition into action.
When measurements are collected consistently, trends are understood and actions are taken at the right time, maintenance becomes more predictable, and equipment becomes more reliable.