Beijing HiYi Technology Co., Ltd
Beijing HiYi Technology Co., Ltd
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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.
| Accessories Included | USB charger, power cable, and clips |
| Automatic Buffer Recognition | Yes |
| Backlight | Yes |
| 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 | 5000 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 |
| Enclosure Rating | IP67 (with battery compartment installed) |
| GLP Features | Date; Time; Sample ID; Operator ID, Calibration |
| Inputs | 1 |
| Instrument | Portable |
| ISE Direct Measurement Range | No |
| ISE Electrode Calibration | No |
| 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 | HQ1140 EC/TDS/1 Channel |
| mV Measurement at Stable Reading | No |
| mV Measurement Range | No |
| Operating Error Messages | Clear text error messages displayed |
| Operating Humidity | 90% (non-condensing) |
| Operating Interface | Soft Touch Keypad |
| Operating Temperature | 0 - 60 °C |
| Parameter | Conductivity, TDS, Salinity |
| 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 | 519 g (Meter only) |
| What's included? | HQ1140 Portable EC/TDS Meter, 1 channel, includes manuals, Li-Ion batteries, USB charger with cable for USA. |
