HACH HQ440D Portable Meter (pH, Conductivity, Optical Dissolved Oxygen, ORP, and ISE)

Automatic Buffer Recognition: Yes

Backlight: yes

Barometric Pressure Measurement: Automatic compensation of DO when using an LDO or LBOD probe

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

Dimensions: 859 x 175 x 235 mm (3.38 x 6.88 x 9.25 in.)

Display: Detailed mode/Large mode

Measurement Method:

Probe specific programmed method settings

pH Measurement Range: 0 - 14 pH

pH Resolution: Selectable 0.001/0.01/0.1 pH

Resistivity Measurement:

2.5 Ω.cm - 49 MΩ.cm

Resistivity Resolution: 0.1

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

Salinity Resolution: 0.01 (ppt) (‰)

Weight: 750 g (1.65 lb) without batteries; 850 g (1.87 lb) with batteries

Datasheet