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    Product Center

    Focusing on the research and manufacturing of petroleum product testing and analysis instruments, pH automatic control and liquid addition systems, providing customers with comprehensive services
  • This instrument is a new type of automated control system that integrates pH value online display, measurement...
    SC-500A Max pH Automatic Control Liquid Addition System
  • This instrument is a new type of automated control system that integrates pH value online display, measuremen...
    SC-200A Max pH Automatic Control Liquid Addition System
  • This instrument is designed and manufactured according to the requirements of the national standard GB/T4...
    SC-41733 Organic Heat Carrier Residual Carbon Analyzer (Nitrogen Filling Method)
  • This instrument is based on the requirements of the method for determining the flowability of chemical liquids ...
    SC-0604 automatic density tester (U-tube oscillation method)
  • This instrument is mainly used in the form of sliding friction to distinguish the low, medium, and high extreme...
    SC-2020 Four Ball Friction and Wear Testing Machine
  • This instrument is a new type of automated control system that integrates pH value online display, measurement...
    SC-500A Plus pH Automatic Control Liquid Addition System
  • This instrument is the latest third-generation product developed by our company. It is designed and manufactur...
    SC-6536S Automatic Distillation Tester (Double Tube)
  • This instrument is a third-generation product newly developed by our company, designed and manufactured accordi...
    SC-6536Z Automatic Distillation Tester
    • Read More

    Entering Sichen

    Pioneering innovation, integrity, and mutual benefit

    Changsha Sichen Instrument Technology Co., Ltd. is a national high-tech enterprise specializing in the research and development of pH automatic control liquid addition systems and petroleum product detection and analysis instruments. It integrates research and development, design, sales, and after-sales service. The product is widely used in higher... ……

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    Company established in2013

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    News Center

    Follow us for more industry news and updates
    2025

    04-19

    The effect of pH on reductase and synthase and how to control it
    One DefinitionDefinition of Reductase and SynthaseReductase refers to an enzyme that catalyzes the hydrogenation reaction of...
    2025

    04-19

    How to automatically regulate the pH value of water quality samples in environmental monitoring?
    Every teacher engaged in environmental monitoring work knows that according to the "Technical Regulations for the Preserv...
    2025

    04-19

    How does carbonyl reductase exhibit activity under different pH conditions
    The activity of carbonyl reductase under different pH conditions is as followsRhodosporidium sp. 0503 strain: This strain exhi...
    2025

    04-19

    Discussion on the preparation steps and functions of pH electrode protection solution
    PH electrode protective solution is a liquid used to protect pH electrodes, usually a 3mol/L potassium chloride solution. Its...
    2025

    04-19

    How to regulate the pH value during the cultivation process of bacterial strains?
    Effective management of pH value is crucial in ensuring the normal growth, reproduction, and metabolism of microorganisms during...
    2024

    12-20

    What is the general pH range of synthetic enzymes, and what are the methods for controlling synthetic enzymes?
    The pH value of a synthase refers to the acidity or alkalinity at which the synthase exhibits optimal catalytic activity under s...
  • Sichen Instrument ASTMD93 Automatic Closed Flash Point Tester
    2024-08-14
    Sichen Instrument ASTMD93 Automatic Closed Flash Point Tester
  • Introduction to the ASTMD92 Open Flash Point Automatic Tester for Sichen Instruments
    2024-08-14
    Introduction to the ASTMD92 Open Flash Point Automatic Tester for Sichen Instruments
  • 2023 Sichen Instrument Mid Autumn Festival and National Day Holiday Notice
    2023-09-28
    Dear users, the Double Festival is coming. According to the national holiday method and the actual situation of the company, our company's National Day and Mid...
  • The "2023 Advanced Enzyme Engineering and Enzyme Technology Application Conference" will be held in Hangzhou from October 27th to 29th, 2023,
    2023-06-21
    The 14th China Enzyme Engineering Academic Symposium was successfully held in Hangzhou, Zhejiang from August 18th to 20th. Academician Zheng Yuguo, academic...
  • The effect of pH on reductase and synthase and how to control it
    2025-04-19
    One DefinitionDefinition of Reductase and SynthaseReductase refers to an enzyme that catalyzes the hydrogenation reaction of a substrate, mainly transferring hydrog...
  • How to automatically regulate the pH value of water quality samples in environmental monitoring?
    2025-04-19
    Every teacher engaged in environmental monitoring work knows that according to the "Technical Regulations for the Preservation and Management of Water Quality...
  • How does carbonyl reductase exhibit activity under different pH conditions
    2025-04-19
    The activity of carbonyl reductase under different pH conditions is as followsRhodosporidium sp. 0503 strain: This strain exhibits high catalytic activity over a wide...
  • Discussion on the preparation steps and functions of pH electrode protection solution
    2025-04-19
    PH electrode protective solution is a liquid used to protect pH electrodes, usually a 3mol/L potassium chloride solution. Its main function is to extend the service ...
  • Introduction to Changsha Sichen Instrument Technology Co., Ltd
    2024-08-12
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    Antifreeze detection
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    Thermal oil detection
    Biomedical testing
    National VI gasoline testing
    National VI diesel testing
    Variable gear oil detection
    Transformer oil detection
    Fiber paste and cable paste testing
    Marine fuel oil testing
    Aviation fuel oil testing
    Battery electrolyte detection
    Organic heat carrier detection
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