Company Profile



Since the company was established in 1967, Central Kagaku Corp. has been devoting all our energy to the development and broader use of water quality measuring instruments that offer swift and easy operation and outstanding precision. In addition to OEM products currently available under our brand name, we offer a variety of top-quality products of the worldwide instrument manufacturers. We have expanded from sales chiefly of simplified portable and laboratory instruments into promotion of process gauges for continuous level monitoring. Our ultimate goal is to become a total solution provider capable of serving all water quality measurement needs with our technologies and services.

Yasuo Ehara, President

Company name Central Kagaku Corp.
Date of establishment Dec. 1st, 1967
Capital Paid-up capital ¥85million

Company address

Head office

-HQ Sales Dept.
-Purchasing/Logistics Dept.
-Maintenance Dept.
-Technical Support Dept.
Tokyo-Toyama Kaikan Bldg. 5-1-3 Hakusan, Bunkyo-ku, Tokyo Japan 112-0001
TEL. +81-3-3812-9186 FAX. +81-3-3814-7538
(Direct) TEL. +81-3-3812-0226 FAX. +81-3-3814-7538
(Direct) TEL. +81-3-3812-0227 FAX. +81-3-3812-6166
(Direct) TEL. +81-3-3812-0228 FAX. +81-3-3814-8115
(Direct) TEL. +81-3-3812-0229 FAX. +81-3-3812-6167
Osaka branch office
Shin-Osaka Wako Building, 4-6-18 Miyahara, Yodogawa-ku, Osaka-shi, Osaka, 532-0003
TEL. +81-6-6392-1978 FAX. +81-6-6392-1971

Main customer

Government agencies and organizations, prefectural level research institutes (industrial, fisheries, civil engineering, agriculture, livestock, etc.), municipal water service departments, municipal sewage service departments, municipal governments and offices, public health centers, universities, research institutes, private manufacturing plants (in food, beverage, chemicals, heavy machinery, pharmaceutical, automobile, electric machinery, metal, confectionery production, cosmetics, railway, electric power, printing, iron making, semiconductor and other industries), plant contractors, foreign organizations, etc.

Overseas Suppliers

SUEZ Water Technologies & Solutions (Analytical Instruments) - Sievers Bland 
  Location of headquarters: Boulder, Colorado, US

Xylem Analytics - WTW Brand
  Location of headquarters: Weilheim, Germany 

Tintometer GmbH - Lovibond
  Location of headquarters: Dortmund, Germany

Product Introduction

Our original products

Our Goal:
Total Solution Provider in Water Quality Measuring Instruments, Technologies and Services・Quick BOD Analyzer "Biosensor"
・Quick Ammonia meter "Coulometric"
・Quick COD meter "Coulometric"
・Poratble MLSS meter
・Portable DO meter
・Hydroxy Peroxide meter

Quick BOD Analyzer with Biosensor Model α5000
Quick Ammonia meter "Coulometric titration"
Model AT-2000
*Measurement Procedure → YouTube
Quick COD meter "Coulometric titration"
Model HC-607
Portable MLSS meter Model ML-55
Mizu Res Q II (Water Rescue II)
for Emegency use of portable water
Mizu Res Q II (Water Rescue II)
Simplified Emergency Water Quality Testing Kit
NEW! Hydrogen Peroxide Analyzer HYPA M-7
Catalog is here

Contact us


Maintenance Dept.

Technical Support Dept.

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