International Shipping

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We can only ship non-hazardous products to Rest of World

ASTM 100 Hydrometer - Low Surface Tension, -1 - 101 API

ASTM 100 Hydrometer - Low Surface Tension, -1 - 101 API
Price: £63.97
Stock Availability:

Compare all Pack Sizes

Stock Availability
On Shelf - Approx. UK delivery date: Friday the 03rd October 2025*
In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)
4 to 6 weeks approx. (Not guaranteed)
UK Shipping

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

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed

Please note:

- These hydrometers are made to order and have a lead time of approximately 5 weeks

- If you require a calibration certificate, these can be provided at an additional cost and will need to be ordered alongside the hydrometer

The American Society for Testing and Materials (ASTM) Specification E 100 describes hydrometers using the API (American Petroleum Institute) scale and others in degrees Specific Gravity. These 330mm long plain hydrometers are adjusted at 60°F for petroleum products and other liquids of low surface tension. All hydrometers can be supplied with UKAS certification, certificate traceable to Recognised National Standard or Statement of Conformity, if required.

Key Features

High-Quality Materials 

Made from durable soda glass with steel shot ballast and synthetic wax resin for stability.

Wide Measurement Range 

Covers measurements from -1 to 101 API units (see table for details).

Precision Accuracy 

0.1 API divisions for reliable results.

Optimised for Laboratory Use 

Designed for use at 15.6°C (60°F) to ensure consistent performance.

Compact and Sturdy Design 

Maximum length of 330mm with a 26mm bulb diameter for easy handling.

Protective Storage 

Supplied in a resealable plastic tube, weighing approximately 100g (including 45g for 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: See table
Overall length: 330mm
Bulb diameter: 26mm
Approx weight: 100g (incl. 45g protective plastic tube)

Range (API) Product number
-1-11 09-001-0
9-21 09-002-0
19-31 09-003-0
29-41 09-004-0
39-51 09-005-0
49-61 09-006-0
59-71 09-007-0
69-81 09-008-0
79-91 09-009-0
89-101 09-010-0

 

Payment Methods

We can also accept a bank transfer (UK Only)

Source Chemicals Ltd