Product Features
- LCD screen with Chinese and English interface display, making operation simpler and more convenient.
- Adopts imported TI chips and anti-interference circuits, with higher precision and more stability.
- Photoelectrically isolated 4 - 20mA current output, RS - 485/RS2 - 232 communication interface.
- Hysteresis value can be set arbitrarily to avoid frequent operation of switching relays.
- The system has a built-in watchdog function, and the power-off protection lasts for more than 10 years.
- Dual relay upper and lower limit alarm output.
- The sensor has built-in temperature compensation, which can correct the influence of temperature on the measured value.
- Customized special function requirements are supported.
Keywords
Wall-mounted Nitrate/Nitrite Analyzer
Product Introduction
The online nitrate analyzer is a precision instrument mainly used to detect nitrate ions in liquids. There is a nitrate ion selective membrane at the front end of the sensor. The sensor is placed in the test solution. Nitrate ions in the test solution enter the interior of the sensor through the selective membrane. The cation concentration inside the sensor increases, forming a tiny potential difference with the reference electrode. The potential difference is positively correlated with the concentration of nitrate ions. The circuit amplifies the potential difference to obtain the concentration of nitrate ions.
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