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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 is an API ASTM Combined Form hydrometer with a range of 19/31 and scale divisions of 0.1. It features a 30/220ºF mercury thermometer and has an overall height of 15 inches. This product is…

SKU 3G-OTH-368881

Brand
API
Item
Hydrometer: API ASTM Combined Form, 19/31, 0.1
Category
API Hydrometers
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Technical Specifications

API
Range
19/31
Features
30 / 220ºF Mercury Thermometer
Scale Type
API ASTM Combined Form
Scale Divisions
0.1
Manufacturer Part Number
GW073H
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API Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The API Hydrometer is an API ASTM Combined Form hydrometer with a range of 19/31 and scale divisions of 0.1. It features a 30/220ºF mercury thermometer and has an overall height of 15 inches. This product is identified by manufacturer part number GW073H.

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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