4,595 $
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Designed for water quality experts, the Hach HQ440D Laboratory Multi-Meter is an advanced laboratory meter that takes the guesswork out of measurements. HQD laboratory meters connect with smart IntelliCALⓇ electrodes that automatically recognize the testing parameter, calibration history, and method settings to minimize errors and setup time. The advanced HQD bench meter is designed to withstand years of continuous lab use. HQD laboratory meters feature a simple user interface that does not require manuals or training to operate. The HQD digital meter is ideal for any of the following measurement parameters as a pH meter, a mV/RedOx/ORP meter, an Ion Selective (ISE) meter, a Dissolved Oxygen (DO) meter, a Biochemical Oxygen Demand (BOD) meter, a conductivity meter for measuring electrical conductivity, salinity, resistivity, or total dissolved solids (TDS), in wastewater, drinking water or general water quality applications, soil, and food or beverages applications. A wide range of IntelliCAL electrodes, cell, probes and sensors are available to perform accurate measurements in any sample media types.
Two input channels for simultaneous measurement of pH, Conductivity, Total Dissolved Solid (TDS), Optical Dissolved Oxygen (DO), Biochemical Oxygen Demand (BOD), Oxydo Reduction Potential (ORP/RedOx), Temperature, Ion Selective Electrode (ISE) direct concentration reading for Ammonia, Ammonium, Fluoride, Chloride, Sodium – connect any IntelliCAL smart probe.
Guided calibration and check standard routines reduce calibration errors while stabilization alerts and visual measurement lock ensure that you can trust the accuracy of the results.
Calibration history allows quick and easy change out of probes without re-calibrating. The HQD smart system records serial numbers, current calibration data, user ID, sample ID, time, and date automatically in the data log for complete Good Laboratory Practice (GLP) traceability.
Internal USB ports simplify data transfer, peripherals, and software updates and connection to PCs printer and keyboards, with a large ultra-bright backlit LCD screen with large font size for convenient reading.
Multi meter capabilities in one instrument with IntelliCAL probes makes switching parameters fast and easy by automatically recalling your measurement settings.
| برند |
Hach |
|---|---|
| Temperature correction |
None; Linear; NaCl Non-Linear Natural Water. |
| 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); |
| 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 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. |
| Display |
Detailed mode/Large mode |
| 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 |
| 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 |
| Lock Function |
Continuous / Auto-stabilization ("press to read") / At Interval |
| Measurement Method |
Probe specific programmed method settings |
| Model |
HQ440D – Multi/2 Channels |
| mV Measurement at Stable Reading |
Yes |
| mV Measurement Range |
-1500 – 1500 |
| mV Resolution |
0.1 mV |
| Needed Cable Length |
NA |
| 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) |
| PC Data Transfer Software |
HQD Series Meter Data Transfer Utility |
| pH Buffer Sets |
Color-coded: 4.01, 7.00, 10.01 pH; |
| pH Electrode calibration |
1 – 3 Calibration points |
| pH Measurement Range |
0 – 14 pH |
| pH Resolution |
Selectable: |
| Printer |
Yes, Optional |
| Probes included |
None |
| Resistivity Measurement |
2.5 Ω.cm – 49 MΩ.cm |
| Resistivity Resolution |
0.1 |
| Salinity Measurement Range |
0 – 42 (ppt) (‰) |
| Salinity Resolution |
0.01 (ppt) (‰) |
| Sensor A |
NA |
| Sensor B |
NA |
| Sensor C |
NA |
| Sensors |
Sensor A: NA |
| Simultaneous measurements |
Yes |
| TDS Measurement Range |
0.00 mg/L – 50.0 g/L as 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 Range |
-10°C – 110 °C |
| Temperature Resolution |
0.1 |
| Type of measurement |
Lab Water Quality applications. |
| What's included? |
Meter package includes HQ440D Laboratory Dual Inputs, Multi-Parameter Meter – pH, Conductivity, Optical Dissolved Oxygen, ORP, and ISE, 4 AA batteries, universal power adapter, USB cable for data transfer, quick start guide and user manual |
4,595 $
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