LAQUA WQ-300 Series Smart Multiparameter Meter & Ammonium Probe
Brand Chemical Supplies provides the HORIBA LAQUA WQ-300, a cutting-edge, handheld digital water quality platform. Unlike traditional meters, the WQ-300 series features a “Smart” digital system that allows you to connect any combination of probes—including the Ammonium (NH_4^+) Ion Selective Electrode (ISE)—with automatic sensor recognition and digital data transfer for the highest level of laboratory precision in a field-ready format.
Technical Specifications
| Feature | Specification |
| Measurement Principle | Potentiometric (Ion Selective Electrode) |
| Ammonium Range | 0.1 to 18,000 mg/L (NH_4^+) |
| Resolution | 0.01 mg/L (Range dependent) |
| pH Range | 0.00 to 14.00 (With pH probe) |
| Data Logging | Up to 10,000 data points with date/time stamp |
| Connectivity | Bluetooth® (Wireless) & USB (Cable) |
| Protection Class | IP67 (Waterproof & Dustproof) |
Key Features & Benefits
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Smart Digital Sensors: The Ammonium probe is “Smart,” meaning all calibration data and sensor health information are stored within the probe head itself. You can swap probes between different WQ-300 meters without needing to recalibrate.
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Color Graphic Display: The high-resolution backlit LCD provides clear, simultaneous readings. When using multi-channel models (WQ-320 or WQ-330), you can view Ammonium, pH, and Dissolved Oxygen levels on a single screen.
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Wireless Data Transfer: Equipped with Bluetooth® technology, allowing you to sync your field data directly to a smartphone or tablet via the LAQUA app. This is ideal for generating instant PDF reports for clients or management.
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Automatic Stability & Hold: The meter utilizes advanced algorithms to detect when the ion concentration has stabilized, locking the reading on the screen to prevent operator bias.
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Foldable Stand & Rugged Build: The meter features a built-in stand for benchtop use in the lab, while the shock-resistant, waterproof housing makes it nearly indestructible in the field.
Primary Applications
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Agricultural Runoff & Soil Sap: Measuring ammonium nitrogen in soil extracts and plant sap to optimize fertilizer application and prevent environmental leaching.
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Wastewater Process Control: Monitoring the nitrification process in treatment plants to ensure efficient conversion of ammonia to nitrate.
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Aquaculture Management: Real-time monitoring of toxic ammonium levels in recirculating aquaculture systems (RAS) and high-density hatcheries.
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Environmental Research: Longitudinal studies of nitrogen loading in freshwater ecosystems and wetlands.
Contact our instrumentation specialists at Brand Chemical Supplies today to configure your LAQUA WQ-300 system and bring digital intelligence to your nitrogen monitoring.
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