Transformer temperature products
Compare OTI oil temperature indicators, WTI winding temperature indicators and digital monitoring devices for oil-immersed transformers.
Open a model page to see product photos, specifications, output options, installation details and the information needed for a quote.
Winding Temperature Indicators
A mechanical WTI gauge and compound transmitter for simulated winding temperature indication on oil-immersed transformers, with adjustable contacts and remote signal options.
BWR2 specifications
Oil Temperature Indicators
An OTI gauge for transformer top-oil temperature indication, adjustable cooling and alarm contacts, and remote measurement output.
BWY2 specifications
Winding Temperature Indicators
A BWR winding thermometer family for simulated winding temperature, switch control and remote 4-20 mA configurations.
BWR-04 / BWR-06 specifications
Oil Temperature Indicators
A transformer top-oil temperature controller with local indication, Pt100 remote signal and adjustable control contacts.
BWY-802 / BWY-803 specifications
Oil Temperature Indicators
A digital-capable transformer oil temperature controller with multiple switch contacts, Pt100 and current-signal options for local and remote monitoring.
BWY-D804AITH specifications
Monitoring Devices
An integrated transformer monitoring device for oil temperature, oil level and absolute pressure with RS485 output.
IB-YKTCF-OL/OP specificationsMeasure top-oil temperature and operate cooling or alarm contacts with BWY and BWY2 transformer oil temperature controllers.
Compare OTI and BWY modelsIndicate simulated winding temperature from top oil and transformer load using BWR and BWR2 winding temperature controllers.
Compare WTI and BWR modelsAcquire transformer oil temperature, level and pressure for a compatible remote display or supervisory system.
Review remote monitoring devicesSend the existing model, transformer drawing and required outputs for configuration, replacement and quotation review.
Review custom controller optionsSend the transformer type, temperature range, number and purpose of contacts, output signal, power supply, capillary length, bulb, mounting thread, quantity and destination country. For a replacement, include photos of the full nameplate, dial, terminals and mounting arrangement.
Choose a model, check the available qualification documents, and email INNO for the latest datasheet, outline drawing, terminal diagram and quotation.
Sales and engineering support
Tell us the transformer type, required temperature range, contact functions, output signal, capillary length, quantity and destination. We will help you identify a suitable model and send the available technical documents.