Products and Solutions
Established in 1945, Qualitrol provides condition based monitoring products and solutions across the globe for high value electrical assets. We are the largest and most trusted global leader for partial discharge monitoring, asset protection equipment and power grid applications across generation, transmission and distribution systems. At Qualitrol we are defining condition based monitoring.
Air Gap Monitoring & Analysis
Air Gap variations occur with the flexing or movement of the stator and rotor due [...]
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Alarm Annunciators
The Betalarm 4 allows control room operators to visually capture important identifiers through color and [...]
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CBM Software
Condition-based maintenance (CBM) Software will allow you to utilize a maintenance strategy that monitors the [...]
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Low-flux Core Testing
The EL CID™ Evolution Low-Flux Core Tester is the leading instrument for Electromagnetic Core Imperfection [...]
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Current Signature Analysis
Relying on the concept that faults in the induction motor rotor or driven components result [...]
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Direct Mount Thermometers
Accurate temperature indication with integrated control and alarm functions for power transformers
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Direct Winding Transformer Monitors
Real time comparison of calculated and direct winding temperatures
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Dissolved Gas Accessories
Dissolved Gas Analyzer Accessories to be used with your DGA devices to aid in the [...]
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Dissolved Gas Analyzers
Identify and monitor critical transformer fault types with dissolved gas analyzers that easily retrofit existing [...]
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Traveling Wave Fault Location Monitors
Traveling Wave fault location monitors with leading accuracy and consistent results for all types of [...]
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Fault Recording Monitors
Comprehensive, flexible, scalable and compatible – full multi-function, substation monitoring devices. Comprehensive Guide to Digital [...]
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Fiber Optics
The Neoptix product line includes fiber optic temperature sensors for transformer windings temperature monitoring and [...]
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Fiber Optic Accessories
Fiber Optic accessories to help achieve a seamless installation and commissioning of your Fiber Optic [...]
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Fiber Optic Softwares
Fiber optic software allows using your fiber optic temperature monitoring system in a highly flexible [...]
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Fiber Optic Thermometers
Fiber Optic thermometers for highly accurate measurement of power transformer temperatures
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Flow Indicators
Designed to indicate “pump on” and “pump off” conditions within a forced cooling system. Select [...]
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Gas Accumulation Indicators
Mechanical measurement of gas accumulation within a conservator style transformer with alarm functions and sampling [...]
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Intelligent Transformer Monitors
Bring together multiple technologies into one platform like Partial Discharge, DGA, Bushing, Fiber Optics, and [...]
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Large Oil Level Indicators
Highly visible monitoring of oil level used on oil filled transformers, load tap changers, conservator tanks [...]
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Liquid Level Gauges (LLG)
Continuous indication of the liquid level inside of a transformer’s main tank, conservator tank or [...]
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Magnetic Rotor Flux Monitors
Continuous on-line rotor magnetic flux monitors that provide the user with real-time data on rotor [...]
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Magnetic Rotor Flux Probes
Designed for monitoring rotor magnetic flux information on generators with a variety of air gap [...]
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Motors and Generators Partial Discharge Monitoring
Easily connected to test with permanently installed Iris Power Stator Slot Couplers (SSCs)
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Multi Gas Analyzers
TM8 will provide a laboratory quality set of DGA results every 4 hours.
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Partial Discharge Monitors
Partial Discharge Monitors provide a complete package that includes sensors, cables, data acquisition unit, processing [...]
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Phasor Measurement
Scalable and modular substation hardened Phasor Measurement devices for connection up to 10 – 3 [...]
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Power Quality Monitors
Utilizing Class A power quality and fault recording, Qualitrol Power Quality devices eliminate 90% analytical [...]
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Pressure Accessories
Verification testing equipment for your Pressure Relief, Gauges and Controls.
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Pressure Controls
Provide operating control, limit, or alarm functions for Transformers and Load Tap Changers.
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Pressure Relief, Gauges, and Relays
Monitor pressure and rapid pressure events accurately with factory and portable test kits for Rapid [...]
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Pressure Relief Devices
Mechanical relief of excessive pressure buildup in large volumes of gas or fluid.
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Rapid Pressure Rise Relays
Monitor sudden pressure events; use as alarm or trip to minimize potential transformer tank damage
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Remote Mount Thermometers
Capillary based, remote indicating thermometers for oil temperature within a transformer
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Remote Oil Level Indicators
The stainless steel and corrosion resistant parts protect gauge against harsh environmental conditions.
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Sensors & Probes
Oil-permeable Fiber Optic temperature sensors for use inside oil-filled transformers
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SF6 Gauges
Provide mechanical local indication for monitoring SF6 gas density in a variety of sizes including [...]
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Shaft Voltage Monitoring
Providing continuous shaft voltage and current measurement using voltage brushes and the shaft grounding brush.
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Single Gas Analyzers
The benefits of this on-line condition monitoring can be realized across the distribution transformer fleet.
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Small Oil Level Indicators
Shows clear liquid level indication with max-min or custom markings on a high contrast dial [...]
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Smart Breathers
The Qualitrol Smart Breather Transformer series removes moisture from air entering oil-filled transformers or Load [...]
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Stator Wedge Analysis
Stator wedge tightness testing provides a consistent and quantitative means of identifying the location and [...]
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Qualitrol’s line of Direct Mount Thermometers provide an accurate indication of temperature with a rugged, [...]
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Thermometer Accessories
Oil filled Transformer Accessories including anti-corrosive paint, stainless steel cases, connectors, coils, pockets/wells, explosion-proof enclosures, [...]
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Transformer Monitors
Transformer monitors including features like output relays, output current loops, data logging, event recording and [...]
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Transformer Monitor Accessories
Qualitrol’s transformer monitor accessories include Expansion Modules, Fiber Optic Temperature Probe, Pt and Cu Resistant [...]
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