Dual Brothers exports precision calibration instruments to Sri Lanka (Colombo, Biyagama). Fast 24-48h air delivery from Chennai India. Certified to ISO/IEC 17025 with rapid door-to-door international air freight, direct factory pricing, and full technical warranty support.
Direct daily flights from Chennai (MAA) to Colombo (CMB) with 24-hour door-to-door transit time, SAFTA tariff preferences, and SLAB-traceable certificates.
Every instrument is factory calibrated with full traceability under ILAC / APAC MRA mutual recognition frameworks, ready for immediate audit compliance.
Dry well calibrators (-30°C to 500°C), secondary standard PRTs, pneumatic & hydraulic pressure calibrators (up to 1000 bar), and precision humidity chambers.
Select from our standard catalogue or request custom sensor dimensions, bespoke inserts, and customized dual-voltage (110V/230V) configurations.
View All 10 Calibration Instruments