| Automatic Buffer Recognition: | 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 |
| Communication: | Integrated USB type A (for USB 2.0 flash memory device, printer, keyboard) and Integrated USB type B (for PC) |
| Compliance Certifications: | CE.WEEE |
| Conductivity measurement: | Yes |
| Conductivity measurement: | Temperature correction:None; Linear; NaCl Non-Linear Natural Water. |
| Conductivity Measurement Range: | 0.01 µS/cm - 200.0 mS/cm |
| Conductivity resolution: | 0.01 µS/cm - 0.1 mS/cm upon selected measuring range |
| Contents: | Meter Only |
| Custom Calibration Standards: | Yes |
| Data Export: | Download via USB connection to PC or flash memory device. Automatically transfer entire data log or as readings are taken. |
| Data Memory: | 500 records/FIFO |
| Data Storage: | Automatic, GLP ISO compliant reading data stored with calibration details. |
| Dimensions: | 859 x 175 x 235 mm |
| Display: | Detailed mode/Large mode |
| Display Lock Function: | Continuous / Auto-stabilization ("press to read") / At Interval |
| Display Type: | 440 x 160 pixel LCD with backlight illumination |
| DO Measurement Range: | 0.1 - 20.0 mg/L (ppm) 1 - 200% saturation |
| DO Resolution: | 0.1 |
| DO sensor calibration:• | 100% (water-saturated air (100%) calibration
100% with 0 (water-saturated air (100%) calibration with 0 point
mg/L (calibration with a specified dissolved oxygen concentration (mg/L) solution)
mg/L with 0 (calibration with a specified dissolved oxygen concentration (mg/L) solution with 0 point)
Factory (calibration with the default LDO calibration) |
| Electrode stand: | Optional |
| GLP Features: | Date; Time; Sample ID; Operator ID |
| Instrument: | Bench |
| IP Rating: | IP54 (Resistant to spray of water; Dust-proof) |
| ISE Direct Measurement Range: | Yes |
| ISE Electrode Calibration: | 2 - 5 points |
| Kit?: | No |
| Languages: | English, French, German, Italian, Spanish, Danish, Dutch, Polish, Portuguese, Turkish, Swedish, Czech, Russian |
| Measurement method: |
|
| Model:HQ440D – Multi/2 Channels | Probe specific programmed method settings |
| mV Measurement at Stable Reading: | Yes |
| mV Measurement Range:-1500 - 1500 mV | -1500 - 1500 mV |
| mV Resolution: | 0.1 mV |
| Needed Cable Length: | NA |
| Operating Error Messages: | Clear text error messages displayed |
| Operating Humidity: | 90 % relative humidity (non-condensing) |
| Operating Interface: | Soft Touch Keypad |
| Operating Temperature: | 0 - +60 °C (32 - 140 °F) |
| ORP Electrode Calibration: | Predefined ORP standards (including Zobell's solution) |
| Parameter: | pH/Oxydo Reduction Potential (ORP) |
