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セントラル科学

Establishment1967 year
capital8500Ten thousand
number of employees60
addressTokyo/Bunkyo-ku/5-1-3 Hakusan, Tokyo Toyama Kaikan Building
phone03-3812-9186
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last updated:May 19, 2025
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セントラル科学 List of Products and Services

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Dissolved Oxygen (DO) Dissolved Oxygen (DO)
pH (hydrogen ion concentration) pH (hydrogen ion concentration)
Conductivity Conductivity
Multi-measurement Multi-measurement
BOD (Biochemical Oxygen Demand) / Respirometer BOD (Biochemical Oxygen Demand) / Respirometer
COD (Chemical Oxygen Demand) COD (Chemical Oxygen Demand)
TOC (Total Organic Carbon) / Endotoxin / Bioburden TOC (Total Organic Carbon) / Endotoxin / Bioburden
Nitrogen and phosphorus Nitrogen and phosphorus
Residual chlorine and chlorine demand Residual chlorine and chlorine demand
Turbidity, color, SS (suspended solids) Turbidity, color, SS (suspended solids)
MLSS - Sludge Interface MLSS - Sludge Interface
Multi-parameter water quality tester Multi-parameter water quality tester
Food environment Food environment
Soil and VOC (Volatile Organic Compounds) Soil and VOC (Volatile Organic Compounds)
Water Quality Monitoring Network System Water Quality Monitoring Network System
Others Others
MLSS

MLSS - Sludge Interface

MLSS stands for Mixed Liquor Suspended Solids, and it is also referred to as the concentration of activated sludge solids (i.e., sludge concentration). In wastewater treatment processes, there is a method for purifying water quality using microorganisms, and the aggregation of these microorganisms is called activated sludge. The concentration of activated sludge is managed to determine whether it is in a desirable state for wastewater treatment. The sludge interface refers to the boundary between the settled sludge in the treatment tank (i.e., sedimentation tank) and the supernatant. By managing factors such as the depth of the interface and its thickness, it serves as an indicator for withdrawing sludge to prevent the outflow (carryover) of settled sludge, ensuring proper treatment.

Sludge Concentration Meter ML-55 Type

Measure MLSS concentration, water depth, and sludge interface with one device!

This is the successor model of the highly acclaimed ML-54! 《Points of Evolution》 ■ Easy daily calibration It has a function to continuously measure reference light inside the sensor, automatically correcting the light intensity to keep it constant and reducing the likelihood of drift.  ML-55: Zero calibration only  Previous model: Filter calibration + zero calibration ■ Disturbance light prevention function It is equipped with a feature that does not affect sludge concentration measurements against a certain amount of disturbance light. ■ Compact body (approximately 30% smaller)  ML-55: Body dimensions 185W×80D×60.5H mm  Previous model: Body dimensions 210W×85D×78H mm ■ Data output available from USB port ■ Changed to easily obtainable AA batteries for power supply ■ Longer operating time  ML-55 (AA batteries): 70 hours of continuous use (at 25°C)  Previous model (rechargeable batteries): 20 hours of continuous use

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Interface Detector "Check Boy CB-01 Model"

Government agencies, wastewater treatment plants! Measuring instruments that support reliable sludge concentration with appropriate sludge management.

The "Check Boy CB-01 Type" is an interface detector that alerts you with a buzzer when it detects the sludge interface during wastewater treatment. It is a compact and lightweight measuring device, with a standard cable length of 5 meters, used for measuring sludge interfaces in applications such as sludge management, sedimentation tanks, and sludge thickening tanks. Additionally, the cable has markings at 1-meter intervals, allowing for position measurement using these marks. 【Features】 ■ Detects liquid interfaces and internal concentration differences with sensors, and alerts with a buzzer ■ The cable has markings at 1-meter intervals, enabling position measurement using these marks ■ Sealed structure, making it suitable for use in rainy conditions ■ Cable lengths are available in standard 5m, as well as 10m and 15m options *For more details, please refer to the related links or feel free to contact us.

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Water Quality Monitoring Network System IQ Sensor Net

Customizable freely according to scale! Centralized water quality management.

The IQ Sensor Net system helps collect the necessary data for monitoring and controlling processes by freely combining 21 types of sensors. It supports small-scale operations with 2 sensors up to large-scale processing processes with a maximum of 20 sensors, providing optimal water quality management tailored to users. It also supports remote monitoring, allowing data to be viewed from anywhere using a smartphone, tablet, or computer as long as there is an internet connection. This enables operation from outside the facility when urgent on-site response is needed. Types of sensors: DO (marine water compatible model available), pH/ORP (marine water compatible model available), conductivity (marine water compatible model available), turbidity (marine water compatible model available), color, SS (marine water compatible model available), MLSS, ammonia, nitrate, nitrite, organic matter, sludge interface.

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Online Sludge Interface Sensor IFL 700IQ

Supports continuous measurement using ultrasonic echo method.

- For managing sludge accumulation in initial and final sedimentation tanks, thickener, etc. Monitors up to a maximum water depth of 15m. - Long-term maintenance-free. Removes interfering bubbles with a non-contact wiper. - No calibration required. - Connects to the IQ sensor network system. Control and display unit 282/284 or 2020 3G / Graphically displays signal strength and water depth. Can be monitored in combination with DO, pH, SS, and ammonia.

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