Contact KHT Instrument: Get a Heat Seal Tester Quote

Request a factory-direct quote for the STH-3, STH-3A, or STH-5 heat seal tester. Describe your packaging material, required standard, and lab volume — we respond within 24 hours.

Request a Quote

Your information is used only to respond to this inquiry and is not shared with third parties.

Contact Info

Inquiry: inquiry@heatsealtester.com

Sales: sales@khtinstrument.com

Response: Within 24 business hours

Languages: English, Chinese, Russian

Spec Sheet Downloads

STH-3 Spec Sheet (PDF)~0.5MBSTH-3A Spec Sheet (PDF)~0.5MBSTH-5 Spec Sheet (PDF)~0.5MB

Quick Model Links

STH-3 Manual →STH-3A Gradient →STH-5 Touchscreen →

Frequently Asked Questions