Hydrocarbon, Interfacial Tension & Foaming Tester

GD-11132 LIQUID PETROLEUM PRODUCTS HYDROCARBON TESTER

Purpose

The instrument is designed and made as per GB/T11132-2002. It uses fluorescence indicator to let the hydrocarbon in the liquid petroleum products shown on the absorption column, and calculates its percentage by volume. It is taken as an important quality index of engine fuels and aviation fuels.

 

Main Parameters

Voltage adjustment range of decompression valve: 0~400kPa;

Electric vibrator: controlled by two independent ways;

Ultraviolet light tube: 1220 mm in length; wave length 365 ± 5nm;

Illumination light: 1220 mm in length; power is 40 W;

Gas supply mode; Nitrogen in steel cylinder (or compressed air in steel cylinder);

 

INTERFACIAL TENSION TESTER

GD-6541A AUTOMATIC INTERFACIAL TENSION TESTER

Purpose

The instrument is designed and made as per GB/T6541 “Test Methods for Interfacial Tension of Petroleum Products between Oils and Water (Ring Methods)”. It is suitable to determine interfacial tension between mineral oils and water under non-equilibrium conditions (Liquid-Liquid interface). It can also be used to determine surface tension of various liquids (liquid-gas-interface).

 

Characteristics

Adopts a large screen dot matrix LCD.

Automatic temperature compensation, clock control, automatic storage for suddenly power off, print, and average value calculation.

 

Technical Parameters

Measurement range: (1) For insulating oils: 2 ~ 100mN/m;(2) For other liquids: 2 ~ 200mN/m;

Sensitive: 0.1mN/m; Accuracy:0.1mN/m; Resolution: 0.1mN/n; Repeatability: 0.3 %

 

FOAMING TESTER

GD-12579 Lubricating Oils Foaming Characteristics Tester

Purpose

The Instrument is designed and made as per GB/T12579, ASTM D 892 and AP 146, It is suitable to determine foaming characteristics of lubricating oils, so that to evaluate the foaming tendency and foaming stability of lubricating oils.

 

Technical Specification

Main heating power: 65 W; Auxiliary heating power: 1000W; Refrigeration power: 500 W;

Air flow rate: 94 ± 5ml/min, adjustable; Temperature controlling range for high temperature bath;

Room temperature to 99.9°C: Temperature controlling range

For low temperature bath: 5 to 99.9°C; Temperature controlling accuracy: ±0.5°C;