Products

Model:
HD-DB
Introduction:
Portable Multi-parameter Water Quality Analyzer (Electrode Method) measures pH, ORP, turbidity, residual chlorine, dissolved oxygen, conductivity, TDS, salinity, chlorophyll and COD with digital sensors. Widely used for field water testing....
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The electrode-method multi-parameter water quality analyser can be combined with digital sensors and optical sensors to determine more than a dozen parameters rapidly, including pH, ORP, turbidity, residual chlorine, dissolved oxygen, conductivity, TDS, salinity, temperature, suspended solids, sludge concentration, chlorophyll, blue-green algae, COD, ammonia nitrogen, chloride, nitrate and transparency. The portable design with a built-in lithium battery is suitable for rapid field water quality testing.
The portable instrument is widely used for water quality testing in surface water, municipal sewage discharge, industrial wastewater, wastewater treatment, emergency enforcement and aquaculture.
1. HJ 1147-2020 Water quality — Determination of pH — Electrode method
2. HJ 506-2009 Water quality — Determination of dissolved oxygen — Electrochemical probe method
3. GB/T 5750.4-2023 Standard examination methods for drinking water — Physical and chemical indicators — Determination of conductivity — 9.1 Electrode method
4. SL 94-1994 Determination of oxidation-reduction potential — Potentiometric method
5. HJ 1075-2019 Water quality — Determination of turbidity — Turbidimetric method
1. *The instrument uses a 10-inch true-colour touch screen with a clear display and simple operation.
2. *The instrument has 10 fixed electrode ports and can measure up to 10 parameters simultaneously.
3. It can measure pH, ORP, turbidity, residual chlorine, dissolved oxygen, conductivity, temperature, suspended solids, sludge concentration, chlorophyll, blue-green algae, COD, ammonia nitrogen, chloride and nitrate in water, displaying the results simultaneously.
4. All parameters use digital electrodes with fast response and high accuracy — no reagents and no pollution, fast and convenient.
5. *USB data output; OTA remote upgrade is supported once connected to the network.
6. The instrument has a built-in printing function and a high-capacity memory card that stores 50,000 data sets.
7. Built-in lithium battery supports more than 48 hours of operation; the battery level can be checked at any time.
8. *Supplied with a cloud data platform that receives measurement data for online storage and short- and long-term trend analysis.
9. GPS positioning; position information can be printed and stored, and BeiDou or other positioning can be customised.
10. *Over-limit alarm: the instrument automatically alarms when a result exceeds the preset upper or lower limit.
11. *Automatic data curves: the single-parameter data management screen shows the real-time trend of the water quality being measured.
12. *Instant readings or interval readings; timed storage allows interval reading and storage.
13. *An optional law-enforcement evidence module is available for on-site photographic evidence, and the images are attached to the report.
14. *Enable configuration: when many sensors are connected, individual electrode modules can be enabled or disabled freely.
| Measurement items | Freely selectable |
| Electrode ports | 10 (supports simultaneous measurement of 10 parameters) |
| Electrode type | High-precision fully digital electrodes |
| Screen size | 10-inch high-definition colour LCD touch screen |
| Dual power supply | Built-in lithium battery; adapter DC 12.6 V / 2 A |
| Electrode cable length | 5 m as standard, customisable |
| Data transmission | USB / Wi-Fi |
| Battery capacity | 12.6 V / 4.8 Ah, standby time > 48 hours |
| Data printing | Built-in thermal printer |
| Positioning | GPS as standard; BeiDou or other positioning can be customised |
| Over-limit alarm | Limits can be set; an alarm is given automatically when the value exceeds the upper or lower limit |
| Curve plotting | Real-time trend of data indicators can be viewed |
| Remote upgrade | OTA remote upgrade supported |
| Cloud platform transmission | Wireless upload to the cloud platform supported |
| Networking | 4G (optional) and Wi-Fi supported |
| Evidence module | For on-site photographic evidence; images are attached to the report (optional) |
| Camera resolution | 1080 × 720 (720P HD) (optional) |
| Timed storage | Timed storage of measurement data enables unattended operation |
| Data storage | 50,000 sets |
| Enable configuration | Corresponding sensors can be enabled or disabled |
| Ambient temperature | 0–50 °C (non-freezing) |
| Ambient humidity | ≤ 85% RH (non-condensing) |
| Accessory case | Dedicated waterproof engineering plastic case |
| Protection class | Main unit IP67 / electrode IP68 |
| Dimensions | Main unit case: 430 × 345 × 188 mm; accessory case: 430 × 345 × 153 mm |
| Net weight | Main unit case: approx. 3 kg; accessory case: approx. 3 kg |
| Model | Parameter | Measuring range | Principle | Accuracy | Resolution |
|---|---|---|---|---|---|
| HD-DJ3 · pH | pH | 0–14 pH | Electrochemical (salt bridge) | ±0.1 pH; ±0.1 °C | 0.01 |
| HD-DJ8 · Dissolved oxygen | Dissolved oxygen | 0–20 mg/L | Fluorescence lifetime method | ±2%; ±0.3 °C | 0.01 mg/L |
| HD-DJ7 · Conductivity | Conductivity | 0–10,000 μS/cm | Contacting electrode method | ±1.5%; ±0.1 °C | 1 μS/cm |
| HD-DJ7H · High-range conductivity | Conductivity | 0–30,000 μS/cm | Contacting electrode method | ±1.5%; ±0.1 °C | 1 μS/cm |
| HD-DJ7H · TDS | TDS | 0–10,000 ppm | Contacting electrode method | ±1.5%; ±0.1 °C | 1 ppm |
| HD-DJ7H · Salinity | Salinity | 0–10,000 ppm | Contacting electrode method | ±1.5%; ±0.1 °C | 1 ppm |
| HD-DJ9 · Turbidity | Turbidity | 0–1,000 NTU | Scattered-light method | ±1%; ±0.3 °C | 0.1 NTU |
| HD-DJ6 · ORP | ORP | -1,500 to 1,500 mV | Electrochemical (salt bridge) | ±6 mV | 1 mV |
| HD-DJ10 · Suspended solids | Suspended solids | 0–2,000 mg/L | Scattered-light method | ±5% (depends on sludge homogeneity) | 0.1 mg/L |
| HD-DJ5 · Ammonia nitrogen | Ammonia nitrogen | 0–1,000 mg/L | Ion-selective electrode method | 10% of reading; ±0.5 °C | 0.01 mg |
| HD-DJ5 · pH | pH | 0–14 pH | Electrochemical (salt bridge) | ±0.1 pH; ±0.1 °C | 0.01 |
| HD-DJ1S · COD | COD | 0–1,000 mg/L | UV254 absorption method | ±5%; ±0.3 °C | 0.1 mg/L |
| HD-DJ1S · Turbidity | Turbidity | 0–400 NTU | Scattered-light method | ±1%; ±0.3 °C | 0.1 NTU |
| HD-DJ11S · Sludge concentration | Sludge concentration | 0–20.000 g/L | Scattered-light method | ±5% (depends on sludge homogeneity) | 0.001 g/L |
| HD-DJ15S · Chlorophyll | Chlorophyll | 0–400 μg/L | Fluorescence method | R² > 0.999 | 0.01 μg/L |
| HD-DJ16S · Blue-green algae | Blue-green algae | 0–200.0 Kcells/mL | Fluorescence method | R² > 0.999 | 0.1 Kcells/mL |
| HD-DJ17S · Oil in water | Oil in water | 0–60 ppm | Fluorescence method | 0.1 ppm | 0.01 ppm |
| HD-DJ20 · Transparency | Transparency | 50–1,000 mm | Scattered-light method | ±5% (depends on sludge homogeneity) | 1 mm |
| HD-DJ21 · Water temperature | Water temperature | -20 to 85 °C | High-precision digital sensor | ±0.1 °C | 0.1 °C |
Note: for other sensors, please consult the sales team.
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