ZhongKe TK PC-303M Handheld Multi-Parameter Water Quality Analyzer

Features

Multi-parameter measurement: Simultaneously measures dissolved oxygen, conductivity, and temperature;

Automatic identification: Intelligently detects and automatically identifies various electrode models and calibration values for conductivity and dissolved oxygen;

Intelligent measurement: Supports automatic calibration, data storage, function settings, and power reminders;

Automatic compensation: Features temperature calibration and automatic temperature compensation to compensate for the effect of temperature on electrode slope, ensuring accurate and reliable measurement results;

Backlight function: Backlight function adapts to complex environments and features an automatic shut-off function for energy saving;

Extended functions: Dedicated APP operating system enables more extended functions;

Multiple power supply options: Supports AA batteries and Type-C power supply;

Portable protective design: IP67 protection rating for the main unit and IP68 for the electrodes; optional portable protective carrying case.

Product Parameters

Detection Parameters

1. Dissolved Oxygen

Measurement Range: 0.00～50.00mg/L (ppm)

Resolution: 0.01mg/L (automatically switches according to range)

Accuracy: ±0.1mg/L

Response Time: ≤15s (25℃, 90% response)

Compensation: Temperature, Salinity, Air Pressure

Calibration Function: Zero Point, Air (Air Pressure, Temperature)

Electrode Type: Polarographic

2. Oxygen Saturation

Measurement Range: 0.0～300.0%

Resolution: 0.1%

Accuracy: ±1.0%

3. Conductivity

Measurement Range: 0.000μS/cm～2000mS/cm

Resolution: 0.001μS/cm (automatic switching according to range)

Accuracy: ±0.5%FS

Temperature Compensation Range: Automatic/Manual

Electrode Constant: 0.01/0.1/0.32/1/10cm⁻¹

Calibration Function: Yes

4. TDS

Measurement Range: 0.000mg/L～1000g/L

Resolution: 0.001mg/L (automatic switching according to range)

Accuracy: ±0.5%FS

Temperature Compensation Range: Automatic/Manual

Electrode Constant: 0.001μS/cm (automatic switching according to range)

Calibration Function: Yes 

5. Salinity

Measurement Range: 0.00～8.00%

Resolution: 0.01%

Accuracy: ±0.1%

6. Resistivity

Measurement Range: 5.00Ω·cm～100.00MΩ·cm

Resolution: 0.01Ω·cm (automatic range switching)

Accuracy: ±0.5%FS

7. Temperature

Measurement Range: -10～135℃

Resolution: 0.1℃

Accuracy: ±0.1℃

Calibration Function: Yes

Configuration List

1 handheld multi-parameter water quality analyzer main unit, 1 intelligent conductivity electrode (K=1), 1 intelligent constant polarographic dissolved oxygen electrode, 1 bottle of conductivity standard solution (1408μS/cm), 1 set of dissolved oxygen membrane assembly kit (1 bottle of dissolved oxygen electrolyte, 1 dissolved oxygen electrode membrane cap, 1 syringe), 4 AA batteries, 1 screwdriver, 1 instruction manual and certificate of conformity.