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API Hydrometer: API ASTM Combined Form, 19/31, 0.1 - API Hydrometers
APIAPI Hydrometers

API Hydrometer: API ASTM Combined Form, 19/31, 0.1

The API Hydrometer, model GW053HM, is an API ASTM Combined Form hydrometer with a range of 19/31 and scale divisions of 0.1. It features a +30 / 180ºF Mercury Thermometer and has an overall height of 15 inches.

SKU 3G-OTH-368896

Brand
API
Item
Hydrometer: API ASTM Combined Form, 19/31, 0.1
Category
API Hydrometers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

API
Manufacturer Part Number
GW053HM
Range
19/31
Features
+30 / 180ºF Mercury Thermometer
Scale Type
API ASTM Combined Form
Scale Divisions
0.1

Technical Documents

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API Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The API Hydrometer, model GW053HM, is an API ASTM Combined Form hydrometer with a range of 19/31 and scale divisions of 0.1. It features a +30 / 180ºF Mercury Thermometer and has an overall height of 15 inches.

Frequently Asked Questions

What is the API Hydrometer GW053HM used for?

The API Hydrometer GW053HM is used to measure the specific gravity of petroleum products and liquids in accordance with API and ASTM standards. It is commonly employed in refineries, laboratories, and quality control processes to determine the density of crude oil, fuels, and lubricants.

What are the specifications of the API Hydrometer GW053HM?

The API Hydrometer GW053HM has a range of 19/31 with scale divisions of 0.1. It features a +30 / 180ºF Mercury Thermometer and is an API ASTM Combined Form type. The overall height is 15 inches, and the manufacturer part number is GW053HM.

Where to buy the API Hydrometer GW053HM worldwide?

You can source the API Hydrometer GW053HM through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct API hydrometer for petroleum testing?

Select an API hydrometer based on the expected specific gravity range of your liquid, scale divisions for required precision, and compliance with ASTM standards. The GW053HM model covers a 19/31 range with 0.1 divisions and includes a built-in thermometer for temperature correction.

Used in

Common applications for API
Petroleum refining — API ASTM Plain Form hydrometers (e.g., range 19/31) for measuring crude oil gravity during distillation
Fuel blending — API Combined Form hydrometers (e.g., range 39/51) with thermometer for real-time density checks in gasoline blending
Marine fuel handling — API hydrometers (e.g., range 40/80) for verifying bunker fuel API gravity at storage terminals
Quality control labs — API ASTM Plain Form hydrometers (e.g., range 49/61) for routine testing of light distillates
Field testing — API Combined Form hydrometers (e.g., range 29/41) for portable density measurement in pipeline sampling
Petrochemical production — API hydrometers (e.g., range 15/21) for monitoring solvent density in chemical processing

API Products

3G Electric supplies API api hydrometers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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