Skip to content

Water Quality

Water quality meters provide fast, reliable measurement of key parameters including pH, conductivity, TDS, salinity, dissolved oxygen, turbidity, ORP and temperature.

These instruments help users evaluate water conditions, identify changes and maintain consistent quality across environmental, laboratory, industrial, agricultural, food and beverage, and water treatment applications.

Sper Scientific Direct offers water quality instruments ranging from compact pocket testers and portable multi-parameter meters and dataloggers to complete online systems and professional water quality analyzers. Choose from single-parameter meters, expandable systems, complete testing kits, probes, sensors and calibration solutions for field measurements, routine quality control and detailed water analysis.

A white Sper Scientific handheld water quality meter with a green LCD showing 6.76 pH and 25.0 °C, and various gray control buttons.

150 products

GPE200 glass pH electrode with red cable fitting and clear sensing bulb on a white background

Sper Scientific

870002-PHG2

Online Glass pH Electrode for High-Purity Water

Regular price $150.00 USD
Sale price Regular price
Industrial glass pH electrode with red fitting and clear sensing bulb on a white background

Sper Scientific

870002-PHC6

Online Industrial Insertion Glass pH Electrode

Regular price $162.50 USD
Sale price Regular price
High-temperature glass pH sensor with VP connector, red fitting and clear glass body on a white background

Sper Scientific

870002-HPHT-120

Online High-Temperature pH Sensor with VP Connector

Regular price From $472.00 USD
Sale price Regular price
Sterilizable glass pH sensor with transparent reference reservoir and red connector on a white background

Sper Scientific

870002-HPH2-120

Online Sterilizable Glass pH Sensor - 120 mm

Regular price $825.00 USD
Sale price Regular price
Industrial pure water pH sensor with black threaded housing, orange O-ring and integral cable on a white background

Sper Scientific

870002-PHP

Online Industrial Pure Water pH and Temperature Sensor

Regular price $137.50 USD
Sale price Regular price
Industrial trace dissolved oxygen sensor with stainless steel flow cell and installation fittings on a white background

Sper Scientific

870007-DO8F

Online Trace Dissolved Oxygen Sensor for High-Purity Water

Regular price $1,325.00 USD
Sale price Regular price