We do not offer international shipping to countries within the European Union
We can only ship non-hazardous products to Rest of World

Pack Size: 1 Pack
Unfortunately, we are not currently accepting orders for Northern Ireland, Jersey and Guernsey.
We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.
AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE
Please note:
- These hydrometers are made to order and have a lead time of approximately 5 weeks
Hydrometer for measuring the percentage of salt in seawater. Available in various lengths and adjusted at 15°C. Can also be adjusted at 20°C, on request.
High-Quality Materials
Made from durable soda glass with steel shot ballast and synthetic wax resin for stability.
Wide Measurement Range
Covers seawater density measurements from 1.00 to 1.030 g/ml (see table for details).
Precision Accuracy
Calibrated to ±0.002 g/ml with 0.002 g/ml divisions for reliable results.
Optimised for Laboratory Use
Designed for use at 15°C to ensure consistent performance.
Compact and Sturdy Design
Maximum length of 175mm with a 18mm bulb diameter for easy handling.
Protective Storage
Supplied in a resealable plastic tube, weighing approximately 28g (including the tube).
Manufactured in the UK
Produced to high-quality standards for professional and industrial applications.
Material: Soda glass, steel shot ballast, synthetic wax resin
Ranges: 1.000 to 1.030 g/ml
Max Length: 175mm
Bulb Diameter: 18mm
Accuracy: +/- 0.002 g/ml
Divisions: 0.002 g/ml
Approx Weight: 28g (including protective plastic tube)
| Range (g/ml) | Product number |
| 1.000-1.030 | 10-630-0 |


We can also accept a bank transfer (UK Only)