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Gd 251 Total Base Number Tester - China

price: contact company for price

GD- 251 Total Base Number Tester / acid tester Purpose: The

Base Number Tester is designed and made as per the Industry

Standard of Petrochemical SH/ T0251- 93 Test Methods for Base

Number of Petroleum Products. It is composed of ZD- 2

Automatic Potential Titrimeter and DZ- 1 Titration Device. It

is suitable to determine base number of petroleum products

and additive.

It determines and calculates base number of sample based on

acid- alkali neutralization principle, perchloric acid

potentiometric titration methods, and potential changes to

detect end point.

Technical parameters

1. Volumetric analysis:

( 1) Titration condensation: 0.1 N;

( 2) Controlling accuracy: ≤ ±0.02ml;

2. Automatic acid titration:

( 2) Controlling accuracy: ≤ ±0.1pH;

3. Automatic potential control:

( 2) Controlling accuracy: ≤ 10mV;

4. Temperature compensation:

( 1) Manual compensation;

( 2) 5~60;

5. Preset adjustment range of end point: pH 1 to 13 or

±100~1300 mV;

6. Preset controlling range for titration: 1~3 pH or 100~300

mV from end point;

7. Power supply: AC 220V±10% , 50 Hz;

8. Ambient temperature: 0~35;

9. Relative humidity: ≤ 85% ;


Company Contact:


  • Phone: 862362984892

  • Address: No.23,Nanping Xi Road, Nanping, China

  • Email: Email


Published date: May 14, 2014 -

  • Business Description: Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd is a high tech

    enterprise for researching, designing, developing and producing oil

    treatment equipment. With its continuous drawing of lessonas,

    unremitting innovation and borrowing of advanced technology from both at

    home and abroad, our company is now becoming a professional manufacture

    of oil purifiers which are excellent in quality, capable of standing

    wear, complete in various styles. And its aviation, ship, railway,

    pharmacy and edible oil processing. Though highly acclaimed and

    favorably accepted by numerous customers and possessed of the right to

    import and export, to ensure the high quality of our products, we

    conduct our manufacturing in strict accordance with the standard JB/T5285

    2001 by Ministry of Machine Building, standard DL/T521 2004 by Ministry

    of Power Industry.

    Our main products range is mechanical and electrical products (compact machinery, concrete machinery, pavement machinery, scraper armed, road machinery, small machinery, hoisting machinery, fire engine, sanitation equipment, pile driving machinery, bridge inspection car, lorry amount crane, overhead working truck, mining machinery, aerial work platforms, forklift, car and motorbike etc.) Chemical products(calcium carbide, activity clay, light soda ash, heave soda ash etc.). We have developed sales channels in many countries and regions such as Japan, Korea, Hongkong, Taiwan, Regions of Southeast Asia, Middle East, Europe, North and South America etc, and have gained strong advantage and high reputation in international market.

    We have persisted on the business idea of "Integrity Basis and Quality First" for the stable and constant development. We are making effort to develop together with customers from both domestic and abroad on the basis of reciprocity. Client, quality and service are our supreme target!

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