Optimus™ DGA Monitor OPT100
Advanced DGA – now also for natural esters
The world’s first maintenance-free multi-gas DGA monitor, the Optimus™ OPT100 now runs on on all ester liquids and mineral oils. The OPT100 comes with the groundbreaking, robustly reliable total gas pressure method as well as optional O2 + N2 measurement for detecting ambient air leaks into your sealed power transformer. That’s robust technology enabled by Vaisala science.
No consumables of any kind required.
- No carrier or calibration gases to monitor or replace
- No internal column or measurement components to replace
- No fixed filters, filter wheels, membranes or capillary tubes to repair or replace
Patented. Trusted. Reliable.
Ensure your power transformer stays operational longer. OPT100 brings unmatched long-term stability, reliability and measurement performance for the detection of any formation of fault gases. It is trusted for its patented infrared measurement of DGA gases, unique vacuum gas extraction technology and its groundbreaking total gas pressure measurement to detect air ingress into a sealed transformer tank.
Taking the extra measure with O2 + N2
Get the best of both worlds. The OPT100 with optional O2 + N2 measurement gives you full monitoring and trending data for all 9 gases – enhanced with Vaisala's Total Gas Pressure.
Vaisala's unique combination provides the most reliable method of detecting the harmful entry of ambient air into your transformer – which cannot be achieved by O2 measurement alone.
Deliveries to start in the Summer of 2025.
Key benefits
Works in the harshest environments
Robust performance. That’s Optimus™ OPT100. Stainless steel pipes, IP66-rated housing, temperature controlled gas and oil handling, magnetic pump and valves. With no consumables to service or replace, Optimus™ OPT100 simply works – from the arctic to the tropics.
Intelligent and intuitive
Integrated web UI. That’s Optimus™ OPT100. No need for additional software. It's designed for quick installation in the field — connect the oil pipes, power up, connect to the UI, and commission. What’s more, self-diagnostics allow the monitor to restart its operation automatically after a power cut.
Peace of mind
No false alarms. That’s Optimus™ OPT100. Its unique auto-calibration ensures long-term stable online measurement. No recalibration at factory is needed.
Runs on natural and synthetic esters as well
The Vaisala Optimus™ OPT100 is fully compliant with all ester insulation liquids, natural and synthetic.
AC and DC power options available
The DC-powered Optimus complies with the same IEC61010 safety certification and comes with the same level of surge protection as the AC model.
All 9 gases, enhanced with Total Gas Pressure
Get the best of both worlds. TGP together with optional direct O2 + N2 measurement offers the ultimate combination for detecting harmful ambient air leaks into your transformer.
Learn more
- Total gas pressure:
How the OPT100 helps you guard against the harmful effects of oxygen »
Download our new total gas pressure White Paper » - Stable measurement:
How vacuum gas extraction and IR technology ensure stable, drift-free measurement » - Vaisala cleanroom:
Take a tour of the secret to the OPT100's robust performance. » - DGA Laboratory:
Take a video look behind the scenes at our world-class laboratory »
Word from our customers
“Over two years after installation we have had no problems with the equipment at all – no user intervention and no consumables have ever been needed.”
- Eduardo Briosso, Asset Maintenance Manager at CTM.
“We have compared the data from the OPT100 with our third-party professional offshore testing report and it has proven to be very accurate, so we know we can rely on its performance.”
- A person in charge at Dalian Company.
“The OPT100 gives us the ability to track any disturbance that may occur and extend the lifetime of our transformer, as well as reducing the possibility of any unplanned outages.”
- Keith Black, System Performance Senior Engineer at Scottish Power.
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