Online Cyanide Water Quality Auto-Monitor
Model: ADG689
The ULT200 ultrasonic level transmitter provides reliable non-contact level measurement for liquids, solids and slurries. With advanced echo processing technology, it delivers high accuracy even in challenging industrial environments.
- 24-Hour Response Fast turnaround time
| Model | ADG686 | ADG664 | ADG665 | ADG689 |
| Detection Principle | High-Temperature Catalytic Oxidation – Non-Dispersive Infrared Detection (HTCO-NDIR) | Acidic Potassium Permanganate Titration | Fluoride Reagent Spectrophotometry | Isonicotinic Acid – Barbituric Acid Spectrophotometry |
| Measuring Range | 0 ~50/ 100/ 200/ 1000/ 5000 mg/Land customizable. | 0-10/20/50 mg/L | 0-1/5/10/20/50/100 mg/L； | 0-0.2/1/50mg/L Extendable |
| Indication Error | ≤10% | ±5% | ≤3% | Accuracy： ±5% Precision：≤5% |
| Lower Limit of Quantification (LLOQ) | 2mg/L | ≤0.5mg/L | ≤0.05 mg/L | ≤0.003mg/L |
| Repeatability | ≤5% | ±1% | — | ≤3% |
| 24h Zero Drift | ±1 mg/L | Zero Drift:±1% | Zero Drift:≤5% | Zero Drift:0.001mg/L |
| 24h Span Drift | ±5% | Span Drift:±1% | Span Drift:≤5% | Span Drift:±5% |
| Voltage Influence | — | ±5% | — | |
| pH Influence Test | — | ±6% | — | |
| Real Sample Comparison (Correlation) | ≤5% | ±10% | Fluoride<0.2 mg/ ， ±0.02 mg/L | ±0.001 mg/L for concentrations < 0.01 mg/L |
| ±0.001 mg/L for concentrations < 0.01 mg/L | ≤ ±10%of reading for concentrations ≥ 0.01 mg/L | |||
| Minimum Maintenance Interval | ≥720h/cycle | — | ||
| Mean Time Between Failures (MTBF) | — | ≥3months | ||
| Measurement Time | ≤8 min | ≤45 min | ≤50min | ≤40min |
| Dimensions (H×W×D) | 3 6 0 m m * 2 5 0 m m * 5 0 0 m m ( W * D * H ) + (including pre-treatment unit) | |||
| Weight | Net Weight<18Kg;Shipping Weight<20Kg | |||
| Environmental Conditions | Temperature：5 – 40℃:Humidity：≤90% | |||
| Power Supply | AC（220±22）V ，（50±1) Hz | |||
| Digital Communication | Serial: 1 × RS232, 1 × RS485 (MODBUS protocol supported) Network: 1 × RJ45 Ethernet | |||
| Outputs | Analog Output: 1 × Isolated 4-20 mA Digital Outputs: 1 ×Switch/Dry Contact, 1 × DC 24V Sourcing Output | |||
| Key Features | Complies with the latest national standards for pollution source/surface water monitoring, featuring zero check, span check, auto-verification, and auto- calibration functions. Wide measuring range with high tolerance to chloride (up to 40.0 g/L salinity), suitable for various wastewater and surface water applications. Proprietary catalyst with extended service life, especially effective for high-salinity samples, reducing operational costs. Maintenance-free for up to 3 months. No waste liquid generation. Longer maintenance cycles with durable parts. Easy installation. Offers higher stability and lower reagent cost (only dilute HCl and carrier gas required) compared to conventional COD analyzers. No waste liquid. | Patented optical design and algorithm eliminate interference from color and turbidity (up to 800 NTU). Maintenance-free sensor technology (patented), eliminating consumable replacement costs. Integrated metering tube and valve assembly for enhanced dosing accuracy. Automatic zero and span verification ensures data accuracyand validity. Low detection limit with auto-dilution and intelligent multi-range switching for diverse applications. | Complies with National Standard HJ 488- 2009. High precision and excellent stability. Low detection limit, wide measuring range, with auto-dilution function. Simple operation: “One-Touch Run” automates cleaning, calibration, and measurement. Customizable solutions based on water quality to reduce user operational costs. Remote maintenance support with QR code scanning for online fault reporting. | Fully complies with national standards. Immune to color and turbidity interference for reliable results. Remote maintenance via WeChat mini – program for online fault reporting. Low reagent/waste volume, minimaland infrequent maintenance, easy part replacement. Low detection limit, wide measuring range, with auto-dilution function. Automatic cleaning function. Extremely simple operation: “One-Touch Run” automates line cleaning and calibration. |
| Typical Applications | For environmental protection, water resources, chemical industry, and municipal sectors (e.g., wastewater treatment plants). | In surface water, groundwater, drinking water, and other water bodies. | In surface water, domestic sewage, and industrial wastewater. | At surface water monitoring stations (rivers, lakes, reservoirs) and enterprise pollution source discharge outlets. |
| Certifications | Software Copyright Registration | |||
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