Hach Master Catalog 2025

Meters • Lab Electrochemistry

59

Technical Data* Model

HQ411D – pH/1 Channel

HQ430D – Multi/1 Channel

HQ440D – Multi/2 Channels

Temperature

l

l

l

pH

l

l

l

ORP

l

l

l

Conductivity

l

l

TDS

l

l

Salinity

l

l

Resistivity

l

l

Dissolved Oxygen (LDO) Ammonia/Ammonium

l

l

l

l

Chloride Fluoride Nitrate Sodium IPRating

l

l

l

l

l

l

l

l

IP54 (Resistant to spray of water; Dust-proof)

Data Memory

500 records/FIFO

Backlight

Yes

GLP Features

Date; Time; Sample ID; Operator ID

Communication

Integrated USB type A (for USB 2.0 fl ash memory device, printer, keyboard) and Integrated USB type B (for PC)

*Subject to change without notice.

Order Information Prod.No. Parameter

Model

HQ411D

pH/Oxydo Reduction Potential (ORP) 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 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

HQ411D – pH/1 Channel

HQ430D

HQ430D – Multi/1 Channel

HQ440D

HQ440D – Multi/2 Channels

Part numbers may vary by country. Sensor Kits are available, please visit hach.com or contact Hach for further information.