FAQs

Products INFORMATION

Why choose Winsen？

Professional manufacturer of gas sensors, global sensing solutions provider with over 30 years experience.

What's your Lead Time of delivery?

Reference lead times: 1-15 days after receiving deposit.

The actual lead time can be confirmed with Winsen Order Processing Dept. when releasing orders.

What's your Shipping Methods?

Winsen will recommend the most appropriate way of transportation (express, air, sea, train, etc.) according to customer's requirement on cost and time.

What’s your Payment Methods for online orders?

Now only Paypal is acceptable for online orders.

What’s your MOQ?

MOQ is different depending on product models. Please contact Winsen sales for details.

Do you accept Customized Products?

Customer LOGO and packing design are acceptable.

Customized design and function will be provided without extra charge (including molding fee).

Do you accept Sample Order?

Sample order is acceptable and the fees will be borne by buyer.

What's your Quality Control and Inspection process for outgoing?

Winsen has a complete and strict flow for offline sensors: aging-reject defective-sampling inspection-issue reports-finished ingoing...outgoing.

What ‘s your company’s Quality Policy?

All Winsen products go through strict inspections and tests to make sure they are 100% qualified before shipping out.

Common abbreviations

ppm: parts per million

ppb: parts per billion

VOL: volume ratio

LEL: lower explosive limit

NDIR: Non-Dispersive Infra-Red