12-month warranty for sensor main units and key components (hydrology, water quality, meteorology, agriculture)
Consumables (pH, conductivity, DO membranes, electrolytes) not covered
Free repair for non-human-caused quality issues
Replacement units for critical failures
Initial response within 12 working hours
Solution provided within 48 hours
Support via email, video guidance, and remote diagnostics
Installation, commissioning, and calibration documents/videos available
DOA (Damage Upon Arrival): Free replacement, shipping covered by KEHAO (unboxing video required)
Quality issues: Free replacement for irreparable products within warranty (shipping costs shared)
Unconditional returns: Accepted within 7 days after delivery (inspection fee applies)
Long-term supply of spare parts (probes, electrodes, batteries, cables)
Minimum 5-year spare parts availability throughout the product lifecycle
Optional paid maintenance services
Express delivery, DDP, and sea freight supported
Professional anti-shock and moisture-proof packaging
Assistance for shipping damage claims
KEHAO provides professional, timely, and dependable after-sales service aligned with overseas project requirements
