pH meter converter "HDM-135A type/HDM-136A type"
Easy operation with the waterproof switch below! A pH meter converter that allows arbitrary setting of transmission output DC 4-20mA with a width of 2pH or more.
The "HDM-135A model (2-wire type) / HDM-136A (4-wire type)" 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 type (DC 24V power supply) and a 4-wire type (AC-free power supply), and it transmits an 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 document or feel free to contact us.
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【Other Features】 ■ Temperature compensation for sample water pH value ■ Changeable response speed ■ Easy operation with waterproof switch on the bottom ■ Automatic return to measurement mode ■ Various combinations of detectors and cleaners available according to sample water measurement conditions 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.
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【Measurement Fields】 ■Water Supply ■Sewerage *For more details, please refer to the PDF document or feel free to contact us.
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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 healthcare. Utilizing our unique core technology, "electrochemical sensors," 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.