MTWION5200 Online Ion Analyzer is an industrial intelligent instrument for continuous online measurement and control of various ion concentrations in water.It can be matched with different ion-selective electrodes (ISE) to detect Na⁺, Ca²⁺, Cl⁻, F⁻, NO₃⁻, NH₄⁺ and other ions.
This analyzer supports real-time display of ion concentration and temperature, with automatic temperature compensation to ensure high accuracy.It provides RS485 MODBUS-RTU communication, 4–20mA analog output and relay control for alarm and dosing linkage.
Features high stability, simple calibration, power-off data storage and strong anti-interference.With IP65 protection, it is suitable for long-term on-line monitoring in industrial field.
Widely used in pure water, boiler water, drinking water, power plant, chemical engineering, environmental monitoring and water treatment systems.
The industrial online Ion Analyzer is a high-precision water quality monitoring device, used for continuous detection of various ion concentrations in water.Compatible with digital ISE sensors, including ammonium, fluoride, sodium, nitrate, calcium and other ions. Equipped with RS485 Modbus communication, automatic temperature compensation, data storage and limit alarm functions.


Key Advantages
- Multi-ion universal analysis, flexible probe replacement
- High precision & automatic temperature compensation
- Standard RS485 remote transmission, easy system access
- Industrial anti-corrosion and anti-interference design
- Upper/lower limit alarm and automatic control
- Simple calibration, low maintenance cost



Product Features
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Feature |
Description |
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Measurement Range |
ION |
-2.00–16.00 pH |
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TEMP |
-30.0–130.0°C |
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Resolution |
ION |
0.01 ppm |
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TEMP |
0.1°C |
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Accuracy |
pH |
±0.01 ± 1 Digit |
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ORP |
±0.1% ± 1 Digit |
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TEMP |
±0.2°C ± 1 Digit |
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Temperature Compensation |
NTC22K/PT1000/PT100/manual temperature compensation modes |
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Calibration Mode |
single-point, two-point, or three-point calibration. |
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Operating Temperature |
0–50°C |
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Storage Temperature |
-10–70°C |
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Input Impedance |
> 10¹² Ω |
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Display |
LCD (240×160 or 256×128 dot matrix) |
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Current Output 1 |
Isolated 4–20 mA, max load 500 Ω |
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Current Output 2 |
Isolated 4–20 mA, max load 500 Ω |
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RS485 Interface |
MODBUS RTU protocol |
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Control |
Relay: 240 VAC 3A Max. |
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Cleaning Settings |
ON: 0–9999 sec |
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Protection Rating |
IP65 |
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Power Supply |
100–240 VAC ±10%, 50/60 Hz, 5 W |
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Installation |
Wall/Pipeline/Panel |
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Dimensions |
144 × 144 × 115 mm (H × W × D) |
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Panel Cutout Size |
138 × 138 mm (H × W) |
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Weight |
0.8 kg |
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Application Fields
Industrial wastewater & chemical sewage treatment
Environmental protection online monitoring station
River, lake and groundwater quality inspection
Electroplating, mining and pharmaceutical water system
Industrial circulating water and water treatment industry
Product Application










