PHG-2518 type industrial PH transmitterDetailed product description：

The PHG-2518 industrial acidity meter is a newly developed two (four) wire transmitter type intelligent industrial acidity meter. It adopts a new design mode, high performance, high reliability, LCD display, and is specially developed for measuring acidity in water quality in industries such as chemical, power plant, electronics, and fermentation.
PHG-2518 acidity meter is an industrial type acidity meter used for continuous measurement. The preamplifier adopts a high-quality high impedance amplifier, and the pH electrode adopts an imported composite electrode. Instruments have the characteristics of high measurement accuracy, fast response speed, small size, and easy installation and maintenance.
The instrument adopts a two-point calibration method, with a two-wire 4-20mA output; The four wire system adopts 24V power supply and 4-20mA output. Due to the use of current to transmit pH signals, the instrument has strong anti-interference ability and a long transmission distance, with a transmission distance of up to 200 meters.

Instrument Features

Adopting the latest single-chip microcomputer, with low power consumption, few peripheral devices, high performance, high stability, and high reliability.
LCD display, buttons can display acidity value, mV value, and temperature value separately.
• 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.
4-20mA current output.

Technical specifications of PHG-2518 industrial PH transmitter

(1) Working conditions
a. Environmental temperature: 0-55 ℃
b. Relative humidity: less than 85%
c. Power supply: 24V ± 5%
d. Temperature of the tested solution: 5-55 ℃.
(2) Range
Acidity: 0-14pH
Temperature: 0-85 ℃
(3) Basic error
Acidity: ± 0.05pH
Temperature: ± 0.5 ℃
(4) Input impedance: greater than 1012 Ω
(5) Temperature compensation range and influence error: 5-55 ℃, ± 0.5% FS/10 ℃
(6) Current output: 4-20mA (RL ≤ 500 Ω) ± 0.5% FS