| Conductivity Measurement |
| Temperature correction | None; Linear; NaCl Non-Linear Natural Water |
| Environmental Conditions |
| Relative humidity | 90% (non-condensing) |
| Temperature | 0 - 60°C |
| Technical Attributes |
| Accessories included | USB charger, power cable, and clips |
| Auto-buffer recognition | Yes |
| Backlight | Yes |
| Barometric pressure measurement | Automatic compensation of DO when using an LDO or LBOD probe |
| 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 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 |
| 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 storage | 10,000 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 x 97 x 220mm |
| Display | Up to 3 parameters at a time, dependent on HQ model |
| Display type | 536x336 Mono-TFT |
| DO measurement range | 0.1 - 20.0mg/L (ppm), 1 - 200% saturation |
| DO resolution | 0.1 |
| Electrode type | Intellical Standard Laboratory or Rugged Field |
| Enclosure waterproof rating | IP67 (with battery compartment installed) |
| GLP features | Date; Time; Sample ID; Operator ID, Calibration |
| Inputs | 1 |
| Instrument | Portable |
| ISE direct measurement | No |
| ISE electrode calibration | No |
| Kit? | Meter only |
| Languages user interface | 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-stabilisation ("press to read") / At Interval |
| Measurement method | Probe specific programmed method settings |
| Model | HQ2100 Multi/1 Channel |
| mV measurement at stable reading | Yes |
| mV measurement range | Yes |
| mV resolution | 0.1mV |
| Operating error messages | Clear text error messages displayed |
| Operating Interface | Soft Touch Keypad |
| ORP electrode calibration | Predefined ORP standards (including Zobell's solution) |
| Parameter | pH, Conductivity, TDS, Salinity, Dissolved Oxygen, ORP |
| 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) |
| Probes included? | None |
| Protection class | IEC Class III (SELV (Separated/Safety Extra-Low Voltage) powered); external |
| Resolution | 0.01 mg/L - 0.1 g/L upon measuring range |
| Salinity measurement range | 0 - 42 (ppt) (per mille) |
| Salinity resolution | 0.01 (ppt) (per mille) |
| Sensor | None |
| Sensor | None |
| Sensor C | None |
| Storage conditions | -20 - 60°C, max. 90% relative humidity (non-condensing) |
| TDS measurement range | 0.00mg/L - 50.0g/L NaCl |
| Temperature compensation | Automatic Temperature compensation for pH |
| Temperature measurement range | °C or °F |
| Temperature resolution | 0.1°C |
| Type of measurement | Field Measurements |
| Warranty | 24 months |
| Weight | 519g (meter only) |
| What's included? | HQ2100 portable pH/ORP/EC/TDS/DO multi-meter, 1 channel, includes manuals, li-ion batteries, USB charger with cable for EU |