TAXONOMY: CMP_MONITORING
Protection & Online Monitoring Devices
Buchholz Relays, Pressure Relief Devices, Online DGA & Bushing Monitors
Industry Knowledge Graph Route
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Technical Baseline & Specification Parameters
| Mechanical Protection | Buchholz gas/surge relay, Pressure Relief Device (PRD), Sudden Pressure Relay (SPR) |
|---|---|
| Gauges & Indicators | Magnetic Oil Gauge (MOG), Winding (WTI) & Oil (OTI) Temperature Indicators |
| Online DGA | Photoacoustic / NDIR / GC analysis of H2, CH4, C2H2, C2H4, C2H6, CO, CO2, H2O |
| Dielectric Monitoring | Continuous bushing capacitance & Tan Delta dissipation factor sensing |
| Substation Protocol | IEC 61850 MMS & GOOSE, Modbus TCP/RTU, DNP3 |
Subcategories & Engineering Architectures
Buchholz Relays
Detects internal slow gas accumulation (incipient faults) and sudden oil surge (short-circuits) with dual reed switches.
Pressure Relief Devices
Spring-loaded rapid opening valve protecting the transformer tank against catastrophic rupture.
Multi-Gas Online DGA
Continuous automated extraction and gas chromatography for real-time Duval Triangle fault diagnostics.
Integrated Asset Monitors
Unified digital monitoring edge-controllers aggregating DGA, thermal models, bushings, and cooling controls.
Verified Global Suppliers & Manufacturers (41)
Verified suppliers with independent factory documentation, technical capability certifications, and direct quotation channels.
| Company & Location | Capabilities & Product Lines | Status | Action |
|---|---|---|---|
|
EMB Elektromotoren und Gerätebau Barleben, Germany |
Industry-standard Buchholz relays and gas monitoring devices | ✓ Verified | Website ↗ · RFQ |
|
Qualitrol Company Fairport, NY, USA |
Pressure relief valves, temperature gauges, and multi-gas DGA | ✓ Verified | Website ↗ · RFQ |
|
Messko (Reinhausen Group) Oberursel, Germany |
Precision temperature indicators, oil level gauges, and breathers | ✓ Verified | Website ↗ · RFQ |
|
Comem Montecchio Maggiore, Italy |
Complete transformer mechanical accessories and smart sensors | ✓ Verified | Website ↗ · RFQ |
|
Albert Maier GmbH Weil der Stadt, Germany |
Oil-level indicators, Breathers (silica gel), Pressure-relief devices, Conservator tanks | Listed | Website ↗ · RFQ |
|
ARES Transformer (Arestrafo) Ankara, Türkiye |
Buchholz relays, Bushings (HV, LV), Conservator tanks, Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Arteche Mungia, Spain |
Bushings (HV, LV), Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Bicron Electronics Company Canaan, United States |
Bushings (HV, LV), Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Camille Bauer Metrawatt AG Baden, Switzerland |
Monitoring / diagnostic devices, Temperature indicators, Oil-level indicators | Listed | Website ↗ · RFQ |
|
Camlin Energy (Camlin Group) Lisburn, United Kingdom |
Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
COMEM Group Montebello Vicentino, Italy |
Buchholz relays, Monitoring / diagnostic devices, Bushings (HV, LV) | Listed | Website ↗ · RFQ |
|
CTR Manufacturing Industries Ltd Pune, India |
Tap changers (OLTC / DETC), Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Doble Engineering Company (ESCO Technologies) Watertown, United States |
Monitoring / diagnostic devices, Test equipment | Listed | Website ↗ · RFQ |
|
Dynamic Ratings Melbourne, Australia |
Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Easun Reyrolle Ltd Chennai, India |
Tap changers (OLTC / DETC), Buchholz relays, Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Elektromotoren und Gerätebau Barleben GmbH (EMB) Barleben, Germany |
Buchholz relays | Listed | Website ↗ · RFQ |
|
EMB GmbH (EBErhard Möbius Elektrotechnische Bauelemente) Bad Königshofen, Germany |
Buchholz relays, Monitoring / diagnostic devices, Pressure-relief devices | Listed | Website ↗ · RFQ |
|
EMH Energie-Messtechnik GmbH Brackenheim, Germany |
Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Fuji Electric Co., Ltd. Tokyo, Japan |
Radiators / cooling systems, Monitoring / diagnostic devices, Bushings (HV, LV) | Listed | Website ↗ · RFQ |
|
H-J Enterprises (The H-J Family of Companies) High Ridge, United States |
Bushings (HV, LV), Pressure-relief devices, Breathers (silica gel) | Listed | Website ↗ · RFQ |
|
LumaSense Technologies (Advanced Energy) Santa Clara, United States |
Temperature indicators, Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Maschinenfabrik Reinhausen (MR / Reinhausen Group) Regensburg, Germany |
Tap changers (OLTC / DETC), Bushings (HV, LV), Monitoring / diagnostic devices, Breathers (silica gel), Pressure-relief devices | Listed | Website ↗ · RFQ |
|
MESSKO (MESSKO GmbH) Oberursel, Germany |
Monitoring / diagnostic devices, Oil-level indicators, Buchholz relays, Temperature indicators | Listed | Website ↗ · RFQ |
|
Mileen Engineers LLP Mumbai, India |
Transformer Accessories, Pressure-relief devices | ✓ Verified | — · RFQ |
|
OMICRON electronics GmbH Klaus, Austria |
Test equipment, Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Opsens Solutions Quebec City, Canada |
Monitoring / diagnostic devices, Temperature indicators | Listed | Website ↗ · RFQ |
|
PREIS Group Pernitz, Austria |
Bushings (HV, LV), Pressure-relief devices, Oil-level indicators | Listed | Website ↗ · RFQ |
|
PRESS-N-FORGE (India) Mumbai, India |
Breathers (silica gel), Bushings (HV, LV), Pressure-relief devices, Oil-level indicators, Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Rugged Monitoring Inc. Montreal, Canada |
Monitoring / diagnostic devices, Temperature indicators | Listed | Website ↗ · RFQ |
|
Sieyuan Electric Co., Ltd. Shanghai, China |
Bushings (HV, LV), Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Prolec GE Waukesha Waukesha, United States |
Bushings (HV, LV), Tap changers (OLTC / DETC), Monitoring / diagnostic devices, Oil treatment devices | Listed | Website ↗ · RFQ |
|
Sukrut Electric Co. Pvt. Ltd. Pune, India |
Buchholz relays, Oil-level indicators, Pressure-relief devices, Temperature indicators | Listed | Website ↗ · RFQ |
|
TEK Makina Transformatör Tuzla, Türkiye |
Breathers (silica gel), Oil-level indicators, Pressure-relief devices | Listed | Website ↗ · RFQ |
|
Vaisala Oyj Vantaa, Finland |
Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Viat Instruments Pvt. Ltd. Kolkata, India |
Oil-level indicators, Buchholz relays, Pressure-relief devices, Temperature indicators, Bushings (HV, LV) | Listed | Website ↗ · RFQ |
|
Chromatography & Instruments Co. Pvt. Ltd Vadodara, India |
Bushings (HV, LV), Pressboard / insulation materials, Breathers (silica gel), Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
EMR Tap Changers Private Limited Chennai, India |
Tap changers (OLTC / DETC), Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Neo Tele-Tronix Pvt. Ltd. Kolkata, India |
Bushings (HV, LV), Transformer oil / ester fluids, Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
Pradeep Sales & Service Pvt. Ltd. Mumbai, India |
Tap changers (OLTC / DETC), Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
The Motwane Manufacturing Co. Pvt. Ltd. Nashik, India |
Pressboard / insulation materials, Transformer oil / ester fluids, Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |
|
MESSKO GmbH (Reinhausen Group) Oberursel, Germany |
Pressure-relief devices, Oil-level indicators, Temperature indicators, Breathers (silica gel), Monitoring / diagnostic devices | Listed | Website ↗ · RFQ |