The WZB-175 portable turbidity meter meets HJ 1075 and ISO 7027. Transmission, scattering, and 850 nm LED modes are available. Zeroing, changeover, and 6-point calibration from 0 to 2000 NTU are automatic. IP65 means it can withstand extreme weather. Lithium battery and USB dual power source allow long-term use. Surface water, industrial waste, drinking water, and other pollutants can be identified on site with the 2000 data store, USB transfer, and printing.
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Features
- LED light source, using 850 nm wavelength, meets ISO 7027 standard and HJ 1075 standard
- Adopting the principle of scattered transmitted light measurement, ratio calibration, and automatic chromaticity compensation
- Automatic range switching
- Supports zero point and up to 6-point calibration
- Supports average measurement function, compensating for reading fluctuations caused by random floating of suspended solids in the sample through average calculation
- Compliant with GLP standards, supports data retrieval and deletion, with a data storage capacity of up to 1000 sets
- Equipped with power-off protection function
Configuration List
- WZS-185A turbidity meter
- 5 turbidity bottles
- International universal power cord
- USB communication cable
- REXDC2.0 Thunder Magnetic Data Acquisition Software
- Instruction Manual
- Product Qualification Certificate
- Fuse Φ 5 × 20 (0.5A)
- Turbidity calibration solution (400NTU)
Parameters
| Category | Specifications |
|---|---|
| Measurement Principle | Scatter method, Scatter-transmitted light method; Automatic color compensation |
| Range & Accuracy | Measurement range: 0.00-9.99NTU / 10.0-99.9NTU / 100-999NTU / 1000-2000NTU (auto-range); Error: ≤±6%; Repeatability: ≤0.5% |
| Core Performance | Zero drift: ±0.5%FS/30min; Stability: ±0.5%FS/30min; 850nm LED light source |
| Data Management | 2000 sets of data storage (search/delete supported); USB communication; Printer compatible |
| Power Supply | Rechargeable lithium battery (4h full charge); USB power supply (5V, 1A); Auto-shutdown (1-99min adjustable) |
| Physical Specifications | Dimension: 90×250×90mm (L×W×H); Weight: ~0.8kg; Protection class: IP65; Operating temp: 5-40℃; Relative humidity: ≤85% |
| Standard Configuration | Host: WZB-175; 5 turbidity bottles (Φ25×60); 400NTU calibration solution; USB communication/power cables; Power adapter; REXDC2.0 software; Manual & Certificate |
Core Highlights
- Portable and durable: 0.8kg lightweight design, IP65 waterproof and dustproof, suitable for complex outdoor environments;
- Wide range and high precision: 0-2000NTU four speed automatic switching, ± 6% error and ≤ 0.5% repeatability, accurate data;
- Strong anti-interference: 850nm light source+dual measurement mode, automatic chromaticity compensation, avoiding sample color interference;
- Easy to operate: color touch screen, automatic zero adjustment+6-point calibration, multi unit switching+average measurement function;
- Data efficiency: 2000 sets of data storage, supporting USB export and printing, in compliance with GLP standards;
Featured Applications
- Environmental monitoring: on-site detection of surface water, groundwater, river and lake turbidity in the wild, rapid screening of emergency pollution incidents;
- Water industry: on-site inspection of water sources in water plants, inflow and outflow of sewage treatment plants, and water quality sampling at remote water stations;
- Industrial site: rapid detection of production wastewater discharge outlets in the chemical, printing and dyeing, and power industries, and on-site monitoring of circulating water turbidity;
- Livelihood scenario: Rapid screening of turbidity in swimming pool water, landscape water, and drinking water sources to ensure water safety.
Daily maintenance and precautions
Key points for operation and use
- Preparing samples Choose a haze-free turbidity bottle, rinse it with zero-turbidity water, then rinse the sample 2-3 times. Fill the bottle to the “+” mark and wipe out bubbles and fingerprints on the bottle wall;
- To calibrate, press “Zero / 0” to use automatic zero adjustment, then “Calibration / 7” to start the calibration procedure. Put standard samples in order of concentration, pick the standard value, and then click “OK.” Once it’s steady, wait one minute to calibrate;
- Put the sample bottle on the instrument’s line to measure and save data. When the reading stabilizes, press “Store /.” to save time, operator, etc. Optimize fluctuating data with “Average”.
- Export/print data: Connect the PC to REXDC2.0 software via USB cable to export data, or connect to an RS232-compatible serial printer to output current or historical measurement values.
Standard samples and battery maintenance
- Battery maintenance: It takes about 4 hours to fully charge the battery when it is turned off, avoiding 24-hour uninterrupted charging; Full charge is required before long-term use, and charge for 15 minutes before reusing; The instrument should be kept away from high temperatures above 85 ℃ and flammable and explosive environments.
- Storage requirements: The mother liquor should be refrigerated at 4-8 ℃ and stored away from light. Diluted standard samples should be prepared as needed and cannot be stored for a long time.
Technical Support
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The WZB-175 portable turbidity meter, with its core advantages of portability, durability, high precision, and anti-interference, is suitable for rapid detection needs in the field and on-site. Wide range, dual measurement mode, efficient data management, and dual power supply design meet the needs of multiple scenarios such as environmental monitoring and industrial inspection. It is easy to operate and has stable performance, making it a reliable and portable tool for on-site turbidity detection.
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