Typical Applications

Widely used for online monitoring of pH/ORP in thermal power, chemical, metallurgical, water treatment, pharmaceutical, biochemical, electronic, electroplating, printing and dyeing, chemical, food, and tap water industries.

Instrument Features

Two line system integration

Adopting a single-chip microcomputer with low power consumption, high performance, high stability, and high reliability.

High measurement accuracy, fast response speed, small size, easy installation and maintenance

Intrinsic safety explosion-proof, explosion-proof grade Exia IIB T4 or isolated explosion-proof, explosion-proof gradeExd IIB T4

Parameter power-off protection.

Equipped with two-point or one point automatic calibration function, convenient and accurate.

Automatic temperature compensation.

Can display the zero potential pH value and slope of the electrode system.

The instrument adopts a two-point calibration method, with a two-wire 4-20mA output

technical indicators

Measurement range pH: 0-14pH

Temperature: 0-100 ℃

Basic error

PH：±0.05pH

Temperature: ± 0.5 ℃

Input impedance: greater than 10¹²Ω

Temperature compensation range and influence error: 5-55 ℃, ± 0.5% FS/10 ℃

Current output: 4-20mA (RL ≤ 500 Ω) ± 0.5% FS

working conditions

a. Environmental temperature: 0-55 ℃

b. Relative humidity: less than 85%

c. Power supply: 24VDC ± 5%

d. Temperature of the tested solution: 0-100 ℃.

The transmitter adopts an explosion-proof cast aluminum sealed housing, with a protection level of up to IP67, LED display, and two-wire isolated current output. It is particularly suitable for industrial sites with harsh environments, the presence of explosive gases, and explosion-proof requirements.

: Li ：