Viat Instruments Pvt. Ltd.
Indian manufacturer of transformer monitoring/protection accessories — oil-level gauges, Buchholz relays, pressure-relief devices, thermometers and terminal boxes. Corrected: the prompt listed Viat as German (viat.de is NXDOMAIN); the company is Viat Instruments Pvt Ltd, Kolkata (with a unit in Gandhinagar, Gujarat), at viatin.com.
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Company record
| Company | Viat Instruments Pvt. Ltd. |
|---|---|
| Role | MANUFACTURER |
| Location | Kolkata, West Bengal, India |
| Accessory categories | Oil-level indicators, Buchholz relays, Pressure-relief devices, Temperature indicators, Bushings (HV, LV) |
| Product family | Transformer Protection & Monitoring Instruments |
| Technology subtypes | Buchholz relay, OTI/WTI temperature indicator, Magnetic oil level gauge, Pressure relief device |
| Technical standards | IS 3637, IS 3638, EN 50216 |
| Primary evidence citation | Viat Instruments official technical datasheets |
| Source tier | TIER A |
| Provenance | Verified · Source: official website · checked 31 Aug 2026 |
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