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API Hydrometer: API ASTM Plain Form, 19/31°, 0.1°, Ballast/Glass, +/-0.1° - API Hydrometers
APIAPI Hydrometers

API Hydrometer: API ASTM Plain Form, 19/31°, 0.1°, Ballast/Glass, +/-0.1°

The API Hydrometer: API ASTM Plain Form (SKU 3G-OTH-368890) is an API hydrometer with a 19/31° range and 0.1° scale divisions. It features a 0 to 150ºF thermometer and a ballast/glass construction with ±0.1°…

SKU 3G-OTH-368890

Also listed as: B618980000 · B61898 0000

Brand
API
Item
Hydrometer: API ASTM Plain Form, 19/31°, 0.1°, Ballast/Glass, +/-0.1°
Category
API Hydrometers
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

API
Manufacturer Part Number
B61898-0000
Type
19/31°, 0.1°, Ballast/Glass, +/-0.1°
Range
19/31°
Features
0 to 150ºF Thermometer
Overall Ht
13 in
Scale Type
API ASTM Plain Form
Scale Divisions
0.1°

Technical Documents

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

Product Description

The API Hydrometer: API ASTM Plain Form (SKU 3G-OTH-368890) is an API hydrometer with a 19/31° range and 0.1° scale divisions. It features a 0 to 150ºF thermometer and a ballast/glass construction with ±0.1° accuracy, measuring 13 inches overall height. This instrument is designed for API gravity measurement per ASTM standards.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is an API hydrometer used for?

An API hydrometer measures the API gravity of petroleum liquids, indicating their density relative to water. This plain-form ASTM model is used in refineries, labs, and fuel testing to classify crude oil and ensure product quality per ASTM standards.

What are the specifications of the API ASTM Plain Form hydrometer?

This API hydrometer has a 19/31° range with 0.1° scale divisions, ±0.1° accuracy, and a built-in 0 to 150ºF thermometer. It features ballast/glass construction and measures 13 inches overall height. The manufacturer part number is B61898-0000.

Where to buy an API hydrometer worldwide?

3G Electric supplies the API ASTM Plain Form hydrometer worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this precision instrument to your facility. Contact us for availability and lead time.

How to select the right API hydrometer for fuel testing?

Select an API hydrometer based on the expected gravity range of your petroleum product. This 19/31° model suits medium-density fuels. Ensure the thermometer range covers your test temperature, and verify ASTM compliance for accurate, repeatable results in quality control.

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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