Portable Water Quality Analyzer

ZYW300-M portable water quality analyzer uses an innovative optical probe to replace traditional membrane electrodes — no membrane or electrolyte replacement needed, lower maintenance, higher reliability, and faster detection. Portable carrying case design with ergonomic appearance, easy to carry and measure on-site; built-in rechargeable battery and touchscreen display, widely used for field measurement, mobile monitoring vehicles, and laboratory analysis.

14Measurable Indicators
OpticalNo Membrane/Electrolyte
IP67Whole Unit Waterproof
USBData Transfer
GLPData Traceability
Portable Water Quality Analyzer
Detectable Parameters / Detectable Parameters
General5 items · pH / DO / Turbidity… Disinfection3 items · Residual / Total / ClO₂ Comprehensive6 items · NH₄ / COD / Nitrate…
Key Highlights

Optical maintenance-free, measure anywhere

Optical probe replaces membrane electrodes, eliminating membrane and electrolyte replacement — rapid calibration, multi-parameter measurement in one device, built-in power and touchscreen, delivers results in the field, monitoring vehicles, and laboratories.

Optical Method · Maintenance-free

Innovative optical probe replaces membrane electrodes, no membrane or electrolyte replacement needed, significantly reduced maintenance, higher reliability.

Rapid Calibration · Multi-parameter

Unique rapid calibration function, one device measures ammonia nitrogen, COD, residual chlorine, turbidity and other water quality indicators.

Built-in Rechargeable Battery

Built-in rechargeable battery with independent power supply, charges via power adapter, portable and ready to measure on arrival.

IP67 / IP68 Dual Protection

Whole unit IP67 waterproof seal, anti-slip design, probe meets IP68 standard, reliable in field rain and humidity conditions.

GLP + TIS Electronic Tags

Advanced GLP functions with unique TIS electronic tag system, fully traceable data information without omissions.

USB Data Transfer

Connect to computer via USB interface, one-click export of measurement data, more efficient transmission and analysis processing.

Detectable Parameters

One device, 14 indicators measured instantly

From conventional five parameters to disinfection residual chlorine, from nutrients to COD — optical method covers all items. The table below shows measurement ranges and maximum errors for each parameter, filter by category for quick location.

NH₄Comprehensive

Ammonia Nitrogen

Ammonia Nitrogen
Measurement range0.02–100 mg/L
Max Error3% F.S.
CODComprehensive

Chemical Oxygen Demand

COD
Measurement range0.00–300.00 mg/L
Max Error5%
ClDisinfection

Residual Chlorine

Residual Chlorine
Measurement range0.02–2.00 (10) mg/L
Max Error0.1 or 5%
TClDisinfection

Total Chlorine

Total Chlorine
Measurement range0.02–2.00 (10) mg/L
Max Error0.1 or 5%
ClO₂Disinfection

Chlorine Dioxide

Chlorine Dioxide
Measurement range0.05–2.00 (20) mg/L
Max Error0.2 or 5%
SO₄Comprehensive

Sulfate

Sulfate
Measurement range5–200 mg/L
Max Error5%
NO₃Comprehensive

Nitrate-N

Nitrate-N
Measurement range0.02–10.0 mg/L
Max Error0.1 or 5%
PO₄Comprehensive

Phosphate

Phosphate
Measurement range0.01–10.0 (50) mg/L
Max Error0.2 or 5%
NO₂Comprehensive

Nitrite-N

Nitrite-N
Measurement range0.02–1.0 (5) mg/L
Max Error0.05 or 5%
ColGeneral

Color

Color
Measurement range50–500 PCU
Max Error3% F.S.
NTUGeneral

Turbidity

Turbidity
Measurement range0–400 NTU
Max Error2% F.S.
SSGeneral

Suspended Solids

Suspended Solids
Measurement range5–1000 mg/L
Max Error2% F.S.
pHGeneral

pH Value

pH Value
Measurement range0.00–14.00 pH
Max Error±0.1
DOGeneral

Dissolved Oxygen

Dissolved Oxygen
Measurement range0.1–10.0 mg/L
Max Error1.0% F.S.
Specifications

ZYW300-M · Unit Specifications

Optical method maintenance-free, IP67 whole unit protection, built-in power supply and USB transfer — unit characteristics summarized below, can be directly included in comparison tables; specific terms subject to contract technical agreement.

Detection PrincipleOptical probe · No membrane or electrolyte replacement
Display / OperationTouchscreen display · Supports rapid calibration
Power SupplyBuilt-in rechargeable battery · Charges via power adapter
Unit ProtectionIP67 · Anti-slip design
Probe ProtectionIP68
Data InterfaceUSB · Connect to computer for transfer and analysis
Data ManagementGLP function + TIS electronic tag system
Data StorageLarge capacity storage
Structural DesignPortable carrying case · Ergonomic
ZYW300-M · Portable Water Quality Analyzer Measuring
Ammonia Nitrogen mg/L0.86
COD mg/L24.5
Turbidity NTU3.2
pH7.42
Dissolved Oxygen mg/L8.1
Residual Chlorine mg/L0.42
Optical Method · Touchscreen · USB · GLP / TIS
Live Reading

Touchscreen instant results,
on-site output on the spot

Built-in touchscreen display and independent power supply, sampling, colorimetry, and reading completed in one — multiple indicators deliver results on the spot; with GLP and TIS electronic tags, every data point is traceable; connect to computer via USB for export and analysis.

  • DisplayTouchscreen local reading · multi-parameter results
  • PowerBuilt-in rechargeable battery · adapter charging
  • TraceabilityGLP + TIS electronic tags · no data omissions
  • ExportUSB to computer · transfer and analysis
Applications

Measure wherever you take it

Field measurement, mobile monitoring vehicles, on-site rapid determination to laboratory accurate analysis — one carrying case goes with you, delivering results on the spot from water sources to discharge outlets.

Field TestingField Testing
Mobile Monitoring VehicleMobile Lab
On-site Rapid TestingOn-site Rapid
Laboratory AnalysisLab Analysis
Drinking Water TestingDrinking Water
Surface Water · Rivers & LakesSurface Water
Sewage Discharge OutletDischarge Outlet
Emergency MonitoringEmergency Testing
Get In Touch

Tell us what to measure,
get a portable analyzer configured

List the indicators to monitor, usage scenarios and accuracy requirements. We'll provide parameter selection and reagent configuration list — test items can be added, removed or adjusted according to actual needs.

Call Selection Hotline →
Service Hotline139 2696 7285
Websitewww.hkinst.com
AddressNo. 40 Jinfeng West Road, (National) High-tech Zone, Zhuhai City, Guangdong Province