For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

Powered by ZenTest mobile App, professional pH measurement has never been easier, suitable for surface test e.g. skin, paper, textilesalso works well in general water solutions.

Cloud-based data management system – allows you to save, manage, and share your test data at your finger tips, and never have to worry about data loss.

Comprehensive Information Display – 4 types of measurement display modes to serve you in different situations.

Upgraded double-junction flat pH sensor, more durable and easier to use.

Hybrid design – This product can be used as a classic tester when your smartphone is not available.