HQ40D Portable Multi Meter pH Conductivity Salinity TDS Dissolved Oxygen DO ORP and ISE For Water
HQ40D Portable Multi Meter pH Conductivity Salinity TDS Dissolved Oxygen DO ORP and ISE For Water
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Last Updated
09 Apr 2019
Minimum Order

Specification of HQ40D Portable Multi Meter pH Conductivity Salinity TDS Dissolved Oxygen DO ORP and ISE For Water


AC Power Adapter and USB/DC Adapter:Included

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

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.

Digital (intelligent) electrode inputs:2 channels

Display:Detailed mode/Large mode

Display Lock Function:Continuous / Auto-stabilization ("press to read") / At Interval

Display Type:240 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)

GLP Features:Date; Time; Sample ID; Operator ID



IP Rating:IP67

ISE Direct Measurement Range:Yes

ISE Electrode Calibration:2 - 5 Points

Languages:English, French, German, Italian, Spanish, Danish, Dutch, Polish, Portuguese, Turkish, Swedish, Czech, Russian

Measurement Method:Probe specific programmed method settings

Model:HQ40D – Multi/2 Channels

mV Measurement at Stable Reading:Yes

mV Measurement Range:-1500 - 1500 mV

mV Resolution:0.1 mV

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
DIN: 1.09, 4.65, 9.23
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:None

Probe Type:IntelliCAL Standard Laboratory or Rugged Field

Salinity Measurement Range:0 - 42 (ppt) (‰)

Salinity Resolution:0.01 (ppt) (‰)

Simultaneous measurements:Yes, 2 channels

TDS Measurement Range:0.00 mg/L - 50.0 g/L NaCl

TDS Resolution:0.01 mg/L up - 0.1 g/L upon measuring range

Temperature Compensation:Automatic Temperature compensation for pH

 Automatic Temperature compensation for pH

Temperature Measurement:°C or °F

Temperature Resolution:0.1

Warranty:3 years

Weight:335 g (0.75 lb) without batteries; 430 g (0.95 lb) with

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