Hach HQ440D Portable Multi Meter pH, Conductivity, Salinity, TDS, Dissolved Oxygen (DO), ORP and ISE

Description

The Hach HQ440D Portable Multi Meter is a comprehensive and versatile instrument engineered for precise measurement of various water quality parameters, making it an indispensable tool for environmental monitoring, research, and industrial applications. Capable of measuring pH, conductivity, salinity, total dissolved solids (TDS), dissolved oxygen (DO), oxidation-reduction potential (ORP), and ion-selective electrodes (ISE), this portable meter offers a holistic solution for water quality analysis. With its intuitive interface and large backlit display, users can easily navigate through settings and obtain accurate readings even in low-light conditions. The HQ440D’s rugged design ensures durability and reliability in diverse field conditions, while its compact and portable nature facilitates on-site measurements. Whether in the field or the laboratory, this multi-meter provides consistent performance, enabling users to make informed decisions based on precise water quality data.

Specifications

– Parameters: pH, conductivity, salinity, TDS, DO, ORP, ISE
– Measurement Ranges:
– pH: -2.00 to 20.00 pH
– Conductivity: 0 to 200 mS/cm
– Salinity: 0 to 70 ppt
– TDS: 0 to 100 g/L
– DO: 0 to 20 mg/L
– ORP: ±2000 mV
– ISE: Dependent on electrode used
– Accuracy:
– pH: ±0.01 pH
– Conductivity: ±0.5% of reading or ±0.5 μS/cm, whichever is greater
– Salinity: ±0.1 ppt
– TDS: ±0.5% of reading or ±0.5 g/L, whichever is greater
– DO: ±0.2 mg/L or ±2% of reading, whichever is greater
– ORP: ±2 mV
– ISE: Dependent on electrode used
– Calibration: Automatic single-point or multi-point calibration for each parameter
– Temperature Compensation: Automatic temperature compensation (ATC) for all parameters
– Display: Large backlit LCD display with customizable options
– Power Source: Rechargeable lithium-ion battery or AC power adapter
– Connectivity: USB and RS232 ports for data transfer
– Environmental Operating Conditions: 0 to 50°C (32 to 122°F); 0 to 95% relative humidity, non-condensing
– Dimensions: 23 cm x 10 cm x 7 cm (9 in x 4 in x 2.8 in)
– Weight: Approximately 0.5 kg (1.1 lbs)
– Compliance: CE, RoHS, and IP67 waterproof rating