Automatic Buffer Recognition:
Yes
Barometric Pressure Measurement:
Automatic compensation of DO when using an LDO or LBOD probe
BOD5/CBOD resolution:
Available when used with Hach WIMS BOD Manager software
BOD Bottle:
Included (x100)
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 + 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.
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 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 Holder:
NA
Electrode stand:
Included
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?:
Yes
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
mV Resolution:
0.1 mV
Needed Cable Length:
1
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)
Conductivity/Total Dissolved Solid (TDS)/Salinity/Resistivity
Dissolved Oxygen (DO)
Biochemical Oxygen Demand (BOD)
Ion Selective Electrode (ISE): Ammonia, Ammonium, Chloride, Fluoride, Nitrate, Sodium
PC Data Transfer Software:
HQD Series Meter Data Transfer Utility
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
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
Printer:
Yes, Optional
Probes included:
PHC30101, LBOD10101
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:
PHC30101
Sensor B:
LBOD10101
Sensor C:
NA
Sensors:
Sensor A: PHC30101
Sensor B: LBOD10101
Sensor C: 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.
Warranty:
36 months
Weight:
750 g (1.65 lb) without batterie; 850 g (1.87 lb) with batteries
What's included?:
Meter package includes HQ440D Laboratory Multi Meter, Universal electrode Stand with electrode holder, PHC301 Standard Refillable pH Electrode with 1 m cable, pH Buffer Kit 4,01/7,00/10,01 (500 mL), pH electrode storage solution (500 mL), LBOD101 Luminescent/Optical Dissolved Oxygen (LDO) electrode for BOD Measurement with 1 m cable, Disposable 300 mL BOD Bottle (100 pcs), BOD Bottle Stoppers (25 pcs), BOD Bottle cap (6 pcs), 4 Alkaline 1,5V AA batteries, Power Supply Adapter, Power Cord, USB cable for data transfer, and Operating Documentation.