HM-STP Handheld Total Phosphorus Detector

Product Introduction

The HM-STP is a single-parameter handheld water quality detector designed exclusively for Total Phosphorus (TP) measurement. Covering a measurement range from 0.02 to 30 mg/L, it addresses the critical need for eutrophication risk assessment in lakes, rivers, and reservoirs where phosphorus concentrations as low as 0.02 mg/L can trigger algal bloom conditions. The instrument employs spectrophotometric detection with an imported cold light source, automatic wavelength selection, and 0.001 absorbance sensitivity, delivering results compliant with HJ671-2013. As a dedicated TP tool, the HM-STP eliminates the cost and complexity of multi-parameter instruments while providing the precise low-concentration detection threshold that phosphorus monitoring demands. At $660, it offers the same price as other single-parameter HM detectors, making professional eutrophication risk monitoring accessible to water quality managers across municipalities and environmental agencies.

Applications

• Lake and reservoir eutrophication risk monitoring

• River and stream phosphorus concentration assessment

• Municipal wastewater treatment plant TP discharge compliance

• Drinking water source phosphorus contamination screening

• Agricultural runoff phosphorus impact evaluation

• Aquaculture water body nutrient level monitoring

Functional Performance

1. Dedicated TP measurement range (0.02–30 mg/L) optimized for eutrophication risk detection from trace-level phosphorus to high-concentration wastewater.

2. HJ671-2013 standard compliance ensuring regulatory acceptance for environmental monitoring and discharge reporting.

3. 0.001 absorbance resolution capturing subtle phosphorus concentration changes near the eutrophication trigger threshold.

4. Android smart operating system with intuitive 3.5-inch color LCD touch screen for straightforward on-site operation.

5. Imported cold light source with stable optical performance and up to 100,000 hours operational lifespan.

6. Automatic wavelength selection streamlining measurement workflow without manual filter switching between ranges.

7. Digestion-colorimetric integrated tube design reducing sample preparation steps for convenient field deployment.

8. 80,000+ record onboard storage supporting long-term eutrophication trend tracking and seasonal pattern analysis.

9. Type-C, WiFi, and Bluetooth connectivity enabling real-time data upload to cloud monitoring platforms.

10. 5,600 mAh lithium battery with 8-hour runtime and 325 g handheld form factor (190 × 77 × 72 mm) for true field portability.

Main Parameters

Technical Parameters

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