Hach, 8506450, HQD HQ440D Laboratory pH Meter Package for High Alkalinity Samples with PHC705A Electrode
Catalog Number: 8506450
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| Temperature correction | None; Linear; NaCl Non-Linear Natural Water. |
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| Automatic Buffer Recognition | Yes |
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| 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 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 + Probe(s) + Lab. Accessories + Reagents |
| 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. |
Unless otherwise stated, the minimum order amount is USD 1,000.
For orders below USD 1,000, an additional handling fee may apply, or we may arrange local delivery / local handover where available.
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| Data Memory |
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| 500 records/FIFO |
| Data Storage | Automatic, GLP ISO compliant reading data stored with calibration details. |
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| Dimensions | 859 x 175 x 235 mm (3.38 x 6.88 x 9.25 in.) |
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| Display | Detailed mode/Large mode |
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| Display Type | 440 x 160 pixel LCD with backlight illumination |
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| DO Measurement Range | 0.1 - 20.0 mg/L (ppm) 1 - 200% saturation |
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| DO Resolution | 0.1 |
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| 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) |
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| Electrode Holder | NA |
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| Electrode stand | Included |
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| GLP Features | Date; Time; Sample ID; Operator ID |
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| Instrument | Benchtop |
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| IP Rating | IP54 (Resistant to spray of water; Dust-proof) |
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| ISE Direct Measurement Range | Yes |
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| ISE Electrode Calibration | 2 - 5 points |
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| Kit? | Yes |
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| Languages | English, French, German, Italian, Spanish, Danish, Dutch, Polish, Portuguese, Turkish, Swedish, Czech, Russian |
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| Lock Function | Continuous / Auto-stabilization ("press to read") / At Interval |
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| Measurement Method | Probe specific programmed method settings |
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| Model | HQ440D – Multi/2 Channels |
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| mV Measurement at Stable Reading | Yes |
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| mV Measurement Range | -1500 - 1500 |
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| mV Resolution | 0.1 mV |
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| Needed Cable Length | 1 |
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| Operating Error Messages | Clear text error messages displayed |
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| Operating Humidity | 90 % relative humidity (non-condensing) |
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| Operating Interface | Soft Touch Keypad |
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| Operating Temperature | 0 - +60 °C (32 - 140 °F) |
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| ORP Electrode Calibration | Predefined ORP standards (including Zobell's solution) |
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| Parameter | pH/Oxydo Reduction Potential (ORP) Conductivity/Total Dissolved Solid (TDS)/Salinity/Resistivity Dissolved Oxygen (DO) Biochemical Oxygen Demand (BOD) Ion Selective Electrode (ISE): Ammonia, Ammonium, Chloride, Fluoride, Nitrate, Sodium |
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| PC Data Transfer Software | HQD Series Meter Data Transfer Utility |
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| pH Buffer Sets | Color-coded: 4.01, 7.00, 10.01 pH; IUPAC: 1.679, 4.005, 7.000, 10.012, 12.45 pH DIN: 1.09, 4.65, 9.23 pH User-defined custom buffer sets |
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| pH Electrode calibration | 1 - 3 Calibration points Calibration summary data logged and displayed |
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| pH Measurement Range | 0 - 14 pH |
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| pH Resolution | Selectable: 0.001/0.01/0.1 pH |
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| Printer | Yes, Optional |
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| Probes included | PHC7050A01 |
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| Resistivity Measurement | 2.5 Ω.cm - 49 MΩ.cm |
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| Resistivity Resolution | 0.1 |
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| Salinity Measurement Range | 0 - 42 (ppt) (‰) |
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| Salinity Resolution | 0.01 (ppt) (‰) |
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| Sensor | PHC7050A01 |
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| Sensor | NA |
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| Sensor C | NA |
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| Sensors | Sensor A: PHC7050A01 Sensor B: NA Sensor C: NA |
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| Simultaneous measurements | Yes |
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| TDS Measurement Range | 0.00 mg/L - 50.0 g/L as NaCl |
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| TDS Resolution | 0.01 mg/L - 0.1 g/L upon measuring range. |
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| Temperature Compensation | Automatic Temperature compensation for pH |
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| Temperature Measurement | °C or °F |
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| Temperature Range | -10°C - 110 °C |
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| Temperature Resolution | 0.1 |
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| Type of measurement | Lab High-alkalinity media |
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| Warranty | 36 months |
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| Weight | 750 g (1.65 lb) without batterie; 850 g (1.87 lb) with batteries |
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| What's included? | Meter package includes HQ440D Laboratory Multi Meter, Universal electrode Stand with electrode holder, PHC705A Combined RedRod high-alkalinity pH Electrode with 1 m cable, pH Buffer Kit 4,01/7,00/10,01 (500 mL), pH electrode storage solution (KCl Saturated, 500 mL), pH Electrode cleaning solution, 4 Alkaline 1,5V AA batteries, Power Supply Adapter, Power Cord, USB cable for data transfer, and Operating Documentation. |
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