Warranty Coverage

• 12-month warranty for hydrology, water quality, meteorology, and agricultural sensor main units and key components

• Consumables (pH, conductivity, DO membranes, electrolytes) are not covered

• Free repair for non-human-caused quality issues

• Replacement units may be provided for critical failure

Response & Technical Support

• Initial response within 12 working hours

• Solution provided within 48 hours

• Support via email, video guidance, and remote diagnostics

• Installation, commissioning, and calibration documents and videos available

Return & Replacement

• DOA (Damage Upon Arrival): Free replacement with 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

Spare Parts & Maintenance

• Long-term supply of spare parts including probes, electrodes, batteries, and cables

• Minimum 5-year spare parts availability throughout the product lifecycle

• Optional paid maintenance services

Logistics & Packaging

• Express delivery, DDP, and sea freight supported

• Professional anti-shock and moisture-proof packaging

• Assistance provided for shipping damage claims

Our Commitment

KEHAO is committed to providing professional, timely, and dependable after-sales service in compliance with overseas project requirements.

Download the full After-Sales Policy (PDF)After-Sales Policy