The HQ Series is for water quality professionals who want to perform electrochemical analysis for field and lab environments. Our new portable platform will allow you to collect intuitive, accurate measurements, manage data, and easily review results, while supplying an IP67 robustness rating.
A robust and intuitive range of portable meters, instilling confidence in reporting and managing your results.
Choose from 4 models, including the three-input HQ4000 series, dual-input HQ2000 series, and single-input HQ1000 series. These meters offer a range in measurement versatility - eliminating the need for multiple pieces of equipment.
Deliver your daily activity in just a few clicks: Whether you are at your facility or working in the field, the Hach® HQ Series portable meter ensures your data will be safely transferred via USB.
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 |
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 | 536x336 Mono-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? | Meter only |
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, TDS, Salinity, Dissolved Oxygen (DO), ORP, ISE |
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 | None |
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 A | None |
Sensor B | 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 |
Weight | 570 g (Meter only) |
What's included? | HQ4300 Portable pH/ORP/EC/TDS/DO/ISE Multi-Meter, 3 channels, includes manuals, Li-Ion batteries, USB charger with cable for USA. |