Sourcing aneroid barometers from China

Zero duty on aneroid barometers

Read from the UK Trade Tariff on 16 October 2026, the selected lines of heading 9025 carried 0% duty for goods from China, with no anti-dumping or countervailing duty and no listed suspension. Standalone barometers use 9025 80 20 00; wall and desktop versions share that line. Non-electronic combinations and parts have separate lines.

The tariff attaches mercury import and export controls to standalone barometers and the listed non-electronic combinations. Confirm with the relevant authority any import and sale restrictions or exceptions for mercury-added barometers. Specify an aneroid capsule mechanism without mercury and obtain written confirmation. Ask your customs broker to confirm how the attached controls apply to the exact shipment.

Confirm the commodity code using the mechanism, functions and whether the shipment contains complete instruments or parts. For the wider heading, see thermometers and hygrometers.

Specify the capsule, dial and pressure reference

Specify a mechanical aneroid capsule, pressure range, scale units, graduation spacing and permitted error across the range. Agree whether readings represent local atmospheric pressure or a setting adjusted to sea level, and explain the adjustment method in the instructions. A weather-word dial alone is not an accuracy specification.

Agree case material, dial diameter, lens material, mounting orientation, adjustment access and whether a movable reference pointer is included. Request sample readings against a calibrated pressure reference while pressure rises and falls. Record acceptance criteria before production.

For consumer models supplied in Great Britain, the importer must ensure the product is safe under normal or reasonably foreseeable use. Include lens breakage, sharp case edges and mounting security in the product safety assessment.

Worked duty example

Illustrative example, not a quote: An illustrative stock order of standalone wall-mounted aneroid barometers under 9025 80 20 00, invoiced at £24,000 free on board, with £1,500 of freight and insurance to the UK. The customs value is £25,500. Duty at 0% is £0. Import VAT at 20% is charged on the customs value plus duty, £25,500, so it is £5,100. With no duty, the only import tax is the VAT, which a VAT-registered importer can usually reclaim. The import duty and VAT guide explains each step.

Inspection checklist

Accuracy: compare readings with a calibrated pressure reference across the agreed range, during rising and falling pressure, using the agreed mounting orientation.

Movement: check that the pointer moves freely, does not rub the dial or lens, and returns consistently after pressure changes; test the adjustment screw and reference pointer.

Construction: inspect capsule mounting, case fasteners, lens seating, hanging fittings and finish; check for loose parts and damage after unpacking.

Instructions: check scale units, pressure-setting guidance and adjustment warnings against the approved sample; retain factory test records and written mercury-free confirmation.

What goes wrong

A pointer can look correct at the factory setting yet show excessive error elsewhere in the range. Friction, loose linkages or a damaged capsule can cause sticking or different readings as pressure rises and falls. Checking only against today's weather report can hide these faults because the reported pressure may use a different reference.

Transit movement can disturb the mechanism or crack the lens. Repeat the agreed pressure and movement checks on arrival, and isolate damaged or inconsistent instruments before sale. Agree inspection records and defect handling through quality inspection.

Cambridge China Bridge sources these products for UK businesses, checking the factory and the documents before shipment. See factory verification. For components and parts, see sourcing for manufacturers.