pH meter converter "HDM-135A model/HDM-136A model"
Easy operation with the waterproof switch below! A pH meter converter that can set the transmission output DC 4-20mA to any value over a 2pH range.
The "HDM-135A type (2-wire) / HDM-136A (4-wire)" is a compact and robust pH meter converter (transmitter) designed for on-site installation, featuring simple functions and easy operation in an aluminum case. It is available in a 2-wire (DC 24V power supply) and a 4-wire (AC free power supply) configuration, with a transmission output of DC 4-20mA. If normal standard liquid calibration cannot be performed, it will display messages for zero or slope abnormalities, or instability issues. 【Features】 ■ Changeable pH transmission output range ■ One-touch automatic calibration ■ Automatic determination of pH electrode condition ■ pH measurement value shift ■ Glass electrode crack detection *For more details, please refer to the PDF materials or feel free to contact us.
Inquire About This Product
basic information
【Other Features】 ■ Temperature compensation for sample water pH value ■ Change in response speed ■ Easy operation with waterproof switch on the bottom ■ Automatic return to measurement mode ■ Various combinations of detectors and cleaners prepared according to the measurement conditions of the sample water Please also refer to the catalog for the new "ultrasonic cleaning detector" and "pH meter with automatic calibration function." *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
【Measurement Fields】 ■Water Supply ■Sewage System *For more details, please refer to the PDF document or feel free to contact us.
catalog（10）
Download All Catalogs
News about this product（1）
Company information
Toa DKK was established in 2000 through the merger of Toa Electric Wave Industry Co., Ltd. (TOA) and DKK-TOA Co., Ltd. (DKK). Our products are active in the fields of environment (water, air, gas) and medical applications. Utilizing our unique core technology, the "electrochemical sensor," we provide products and services that meet our customers' needs. We will continue to strive to be a company that contributes to the preservation of the global environment and the realization of a healthy lifestyle.