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Rugged and portable, this kit includes the HQ4100 meter with one probe input and a light-duty probe for precise pH measurements, featuring seamless USB data transfer.
The HQ4100 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 a single probe input, the HQ4100 allows professionals to measure a wide variety of parameters with precision and ease. Whether you’re testing pH, conductivity, dissolved oxygen, ORP, salinity, TDS (Total Dissolved Solids), or using ion-selective electrodes (ISEs), the HQ4100 consistently delivers accurate, dependable results for every application. Its large, full-color display enhances usability by providing clear, detailed readings, enabling efficient and informed decision-making.
The HQ4100’s rugged, IP67-rated construction ensures durability and peak performance even in tough environments. Its intuitive interface includes easy-to-follow, on-screen step-by-step instructions for operations, calibration, and troubleshooting, minimizing training needs while maintaining precision at every step. Built to adapt to the unique demands of professionals, it combines durability, ease of use, and accuracy into one reliable instrument.
Need greater flexibility or the ability to measure even more parameters simultaneously? Consider upgrading to the HQ4200 (Part Number: LEV015.53.42001), which features two probe inputs, allowing you to monitor more parameters without switching probes. Or take it a step further with the HQ4300 (Part Number: LEV015.53.43001), offering three probe inputs for simultaneous measurements and ultimate efficiency. Both advanced models maintain the trusted accuracy and durability of the HQ Series, with the flexibility to streamline your most demanding workflows.
The HQ Series is a versatile family of water quality meters designed to meet a wide range of needs. Each model offers the same renowned reliability and performance, tailored with unique features to fit specific applications. From the HQ4100’s streamlined single-probe design to the HQ4200’s enhanced dual-probe input, and the HQ4300’s advanced three-probe system, you can find the perfect tool 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 |
| Cable Length | 1 m |
| 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 |
| 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 | 1 |
| 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 | HQ4100 Multi/ISE/1 Channel |
| 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 |
| 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 |
| 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 | None |
| Sensor C | None |
| 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 | 530 g (Meter only) |
| What’s included? | LEV015.53.4100A HQ4100 Portable pH/ORP/EC/TDS/DO/ISE Multi-Meter, 1 channel PHC20101 Intellical pH electrode, pH 0-14, 0-80 °C, 1 m cable LEZ015.99.A001A HQ standard electrode field case LEZ015.99A003A HQ hand strap & kickstand LEZ015.99.A004A HQ protective glove 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 User manuals |
