Shen ChangHong 
Portable Instruments
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CNC Multi-functional Digester
Model:DIS-1D
The instrument can be used for chemical analysis and digestion of COD, total phosphorus, total nitrogen and total chromium in various water samples.
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Portable Precision Turbidity Meter
Model:PTURB-202
Portable design; large screen with Chinese menu; using imported high-performance sensor, good performance, high precision; rechargeable lithium battery.
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Portable Residual Chlorine Analyzer
Model:CHCL-222
CHCL-222 Portable Residual Chlorine Analyzer can be used to measure residual chlorine and total chlorine in water. It has the characteristics of simple operation and high sensitivity.
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COD Analyzer
Model:PCOD-810
Shenchanghong PCOD-810 COD Analyzer is a portable high-precision measurement system with less system maintenance and accurate optical measurement system, equipped with automatic calibration and cleaning functions.
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Multi-parameter Water Quality Analyzer
Model:GW-2000E
The Shenchanghong GW-2000E portable multi-parameter water quality analyzer includes optical and electrode methods (pH, conductivity, and dissolved oxygen) that users can freely combine according to their needs.
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Dissolved Oxygen Meter
Model:DO-610
The DO-610 portable dissolved oxygen meter is stable and reliable, easy to operate (can be operated with one hand)
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