Portable Turbidity Meter

I. Product Overview

Turbidity is a key water quality indicator of the suspended particulate content of water and directly affects its sensory properties and safety. The instrument uses single-wavelength 860 nm scattered-light measurement, which effectively avoids interference from water colour and ensures accurate, reliable results. Combined scatter-transmission technology extends the range while maintaining accuracy.

II. Measuring Principle

The scattered-light method uses a stable light beam passing through a sample cell containing the sample, with the sensor positioned perpendicular to the emitted beam to measure the intensity of scattered light. Within a certain concentration range, the intensity of the scattered light is proportional to the turbidity of the sample. Combined scatter-transmission technology: the highly sensitive scattered-light mode is used in the low to medium turbidity range; when a high turbidity signal is detected, the system switches seamlessly to transmission mode and measures turbidity from the attenuation of the transmitted light, greatly extending the range while maintaining accuracy.

III. Applications

Environmental water affairs — routine monitoring and emergency surveys of rivers, lakes, reservoirs and groundwater; water supply — full-process monitoring from raw water and process water to treated water and distribution network water; wastewater treatment — influent and effluent assessment and process control of aeration and sedimentation tanks; industrial production — quality control of process water, cooling water and boiler water in food and beverage, pharmaceutical, semiconductor and power industries; aquaculture — turbidity monitoring for a healthy aquatic environment; and research and emergency response.

IV. Key Features

1. Android operating system with an elegant interface and user-friendly operation.

2. 4.3-inch high-definition touch screen combined with a visual graphical interface that greatly improves operating efficiency.

3. High-reliability imported LED light source: no warm-up required and stable long-term performance.

4. 10 mm × 10 mm large-area photocell for high sensitivity and a low detection limit.

5. 16 GB internal memory stores more than 10,000 records; an optional Bluetooth printer prints results on site.

6. Wi-Fi and Bluetooth connectivity plus a USB port for fast batch upload of data to a PC.

7. Water-resistant housing; the measuring chamber resists the ingress of 0.5 mL of liquid.

8. Standard USB-C 5 V 2.1 A input with BC 2.1 charging protocol support: compatible with third-party phone chargers, cables and power banks, with intelligent lithium-battery charge management for continuous mains operation.

9. Average measurement with automatic range switching.

10. The default display unit is NTU; other units such as FAU, FNU, FTU, EBC, ASBC and mg/L can be switched by the user.

11. Continuous multi-point turbidity calibration, zero-point calibration and built-in standards are supported.

12. Bilingual Chinese / English operating system.

V. Technical Parameters