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Rugged and portable, this kit includes the HQ4300 meter with three probe inputs and three light-duty probes for precise pH, Dissolved Oxygen and Conductivity measurements, featuring seamless USB data transfer.
The HQ4300 Portable pH Meter and Multi-Parameter Water Quality Meter is expertly crafted to handle complex water analysis needs, making it a reliable solution for both laboratory and field environments.
Equipped with three probe inputs, the HQ4300 allows professionals to measure multiple parameters simultaneously, streamlining workflows and saving valuable time. Its large, full-color display is easy to read and enhances functionality, providing detailed, clear data for more efficient analysis.
The HQ4300’s rugged, IP67-rated design ensures optimal performance even in challenging conditions, whether you’re in the lab or out in the field. Its user-friendly interface includes on-screen step-by-step instructions for operations, calibration, and troubleshooting, minimizing training needs while maintaining accuracy at every step.
The HQ4300, the pinnacle of Hach’s HQ Series, is designed for professionals seeking a comprehensive water quality analysis solution. Combining the renowned accuracy and reliability of the HQ Series with unmatched versatility, this advanced model adapts seamlessly to your needs. Whether used as a pH meter, conductivity meter, dissolved oxygen meter, ORP meter, salinity meter, TDS (Total Dissolved Solids) meter, or ion-selective electrode (ISE) meter, the HQ4300 consistently delivers precise, dependable results with every application.
Designed for both laboratory and field use, it combines durability, user-friendly operation, and exceptional performance, making it the ultimate tool for accurate and dependable water quality monitoring.
The HQ Series is a versatile family of water quality meters designed to meet a range of needs. Each model offers the same trusted accuracy and durability, while providing different features to suit specific applications. The HQ4000 Series is the most advanced, featuring three probe inputs and a large, full-color display for enhanced functionality and simultaneous measurements. The HQ2000 Series is a mid-range option with two probe inputs, making it ideal for users who need multiparameter flexibility without extra complexity. For simpler needs, the HQ1000 Series offers a single probe input, delivering reliable performance in a streamlined design. With these options, you can choose the right HQ meter to match your workflow, whether in the lab or the field.
| Accessories Included | USB charger, power cable, and clips |
| Automatic Buffer Recognition | Yes |
| Backlight | Yes |
| Barometric Pressure Measurement | Automatic compensation of DO when using an LDO or LBOD probe |
| Cable Length | 1 m |
| Calibration | Demal (1D/ 0.1D/ 0.01D); Molar (0.1M/ 0.01M/0.001M); NaCl (0.05%; 25µS/cm; 1000µS/cm; 18mS/cm); Standard sea water; User defined |
| Calibration Intervals/Alerts/Reminder | Off, selectable from 2 hours to 7 days |
| Certifications | CE, FCC, ISED, RCM, KC, ETL Verified: US DOE/ NRCan Energy Efficiency, RoHS |
| Conductivity Measurement Range | Yes |
| Custom Calibration Standards | Yes |
| Data Export | USB connection to PC or USB storage device (limited to the storage device capacity). |
| Data Memory | 100,000 data points |
| Data Storage | Automatic in Press to Read Mode and Interval Mode. Manual in Continuous Read Mode. |
| Dimensions (H x W x D) | 63 mm x 97 mm x 220 mm |
| Display | Up to 3 parameters at a time, dependent on HQ model |
| Display Type | 640×480 Color TFT |
| DO Measurement Range | 0.1 – 20.0 mg/L (ppm), 1 – 200% saturation |
| DO Resolution | 0.1 |
| Enclosure Rating | IP67 (with battery compartment installed) |
| GLP Features | Date; Time; Sample ID; Operator ID, Calibration |
| Inputs | 3 |
| Instrument | Portable |
| ISE Direct Measurement Range | Yes |
| ISE Electrode Calibration | Yes |
| Kit? | Yes |
| Languages | English, Chinese – Simplified, Spanish, French, German, Italian, Japanese, Turkish, Dutch, Portuguese (PT & BR), Korean, Danish, Swedish, Polish, Norwegian, Hungarian, Greek, Finnish, Czech, Romanian, Croatian, Bulgarian, Slovak, Lithuanian, Estonian, Slovenian, Russian |
| Lock Function | Continuous / Auto-stabilization (“press to read”) / At Interval |
| Measurement Method | Probe specific programmed method settings |
| Model | HQ4300 Multi/ISE/3 Channels |
| mV Measurement at Stable Reading | Yes |
| mV Measurement Range | Yes |
| mV Resolution | 0.1 mV |
| Operating Error Messages | Clear text error messages displayed |
| Operating Humidity | 90% (non-condensing) |
| Operating Interface | Soft Touch Keypad |
| Operating Temperature | 0 – 60 °C |
| ORP Electrode Calibration | Predefined ORP standards (including Zobell’s solution) |
| Parameter | pH, Conductivity, Dissolved Oxygen (DO) |
| pH Buffer Sets | Colour-coded: 4.01, 7.00, 10.01 pH; IUPAC: 1.679, 4.005, 7.000, 10.012, 12.45 DIN: 1.09, 4.65, 9.23 User-defined custom buffer sets |
| pH Electrode calibration | 1 – 3 Calibration points Calibration summary data logged and displayed |
| pH Measurement Range | 0 – 14 pH |
| pH Resolution | Selectable: 0.001/0.01/0.1 pH |
| Power Supply | Rechargeable lithium-ion battery 18650 (internal) Class II, USB power adapter: 100 – 240 VAC, 50/60 Hz input; 5 VDC at 2 A USB power adapter output (external) |
| Probe Type | Intellical Standard Laboratory or Rugged Field |
| Probes included | PHC20101, CDC40101, LDO10101 |
| Protection Class | IEC Class III (SELV (Separated/Safety Extra-Low Voltage) powered); external |
| Salinity Measurement Range | 0 – 42 (ppt) (‰) |
| Salinity Resolution | 0.01 (ppt) (‰) |
| Sensor | PHC20101 |
| Sensor | CDC40101 |
| Sensor C | LDO10101 |
| Storage Conditions | -20 – 60 °C, max. 90% relative humidity (non-condensing) |
| TDS Measurement Range | 0.00 mg/L – 50.0 g/L NaCl |
| TDS Resolution | 0.01 mg/L – 0.1 g/L upon measuring range |
| Temperature Compensation | Automatic Temperature compensation for pH |
| Temperature Measurement | °C or °F |
| Temperature Resolution | 0.1 °C |
| Type of measurement | Field Measurements |
| Warranty | 36 months |
| Weight | 570 g (Meter only) |
| What’s included? | LEV015.53.4300A HQ4300 Portable pH/ORP/EC/TDS/DO/ISE Multi-Meter, 3 channels PHC20101 Intellical pH electrode, pH 0-14, 0-80 °C, 1 m cable CDC40101 Intellical conductivity electrode, 1 m cable LDO10101 Intellical dissolved oxygen (DO) sensor, 1 m cable LEZ015.99.A001A HQ standard electrode field case LEZ015.99A003A HQ hand strap & kickstand LEZ015.99.A004A HQ protective glove 2089846 PMP Erlenmeyer flask, 250 mL 2770020 Singlet single-use pH Buffer, pH 4.01, pk/20 2770120 Singlet single-use pH Buffer, pH 7.00, pk/20 2770220 Singlet single-use pH Buffer, pH 10.01, pk/20 2771420 Singlet single-use conductivity standard solution, 1413 µS/cm, KCl, 20 mL User manuals |
