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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.

121 products

Online Industrial Dissolved Oxygen Meter

Sper Scientific

870007

Online Industrial Dissolved Oxygen Meter

Regular price $786.05 USD
Sale price Regular price
Online Acid Alkaline Concentration Meter

Sper Scientific

870009

Online Acid Alkaline Concentration Meter

Regular price $981.05 USD
Sale price Regular price
Online Industrial PH & ORP Meter

Sper Scientific

870002

Online Industrial PH & ORP Meter

Regular price $630.05 USD
Sale price Regular price
Online Industrial Dissolved Oxygen Meter

Sper Scientific

870006

Online Digital Optical Dissolved Oxygen Meter

Regular price $903.05 USD
Sale price Regular price
Inline High Temperature Dissolved Oxygen Sensor

Sper Scientific

Online High Temperature Dissolved Oxygen Sensor

Regular price From $1,748.00 USD
Sale price Regular price
Online blue-green algae sensor by Sper Scientific with black cable and cylindrical body.

Sper Scientific

870001-ALG

Online Blue-Green Algae Sensor

Regular price $3,758.55 USD
Sale price Regular price
Gray online digital residual chlorine sensor by Sper Scientific with a blue cap and slots at the bottom.

Sper Scientific

870001-CL

Online Digital Residual Chlorine Sensor

Regular price $1,516.05 USD
Sale price Regular price
Inline Industrial Polarographic Dissolved Oxygen Sensor

Sper Scientific

870007-DO

Online Industrial Polarographic Dissolved Oxygen Sensor

Regular price $716.55 USD
Sale price Regular price
conductivity electrode

Sper Scientific

870003-ICE-01

Online Industrial Conductivity Electrode

Regular price $162.75 USD
Sale price Regular price
Inline Digital Nitrate Nitrogen Sensor

Sper Scientific

870001-NO3

Online Digital Nitrate Nitrogen Sensor

Regular price $10,798.05 USD
Sale price Regular price
Online Inductive Acid-Alkaline Concentration Sensor

Sper Scientific

870009-CS

Online Inductive Acid-Alkaline Concentration Sensor

Regular price From $1,735.00 USD
Sale price Regular price
Silver online digital Chlorophyll A sensor by Sper Scientific with a black cable and connector.

Sper Scientific

870001-CHL

Online Digital Chlorophyll A Sensor

Regular price $3,758.55 USD
Sale price Regular price
Stainless steel dissolved oxygen sensor by Sper Scientific with a black cable on a white background.

Sper Scientific

870006-ODO

Online Optical Dissolved Oxygen Sensor

Regular price $2,023.05 USD
Sale price Regular price
Inline Conductivity Sensor

Sper Scientific

870001-CON

Online Digital Graphite Conductivity Sensor

Regular price $619.05 USD
Sale price Regular price
Integrated Ultrasonic Level Meter

Sper Scientific

870010

Integrated Ultrasonic Level Meter

Regular price $541.05 USD
Sale price Regular price
Inline Digital ORP Sensor

Sper Scientific

870001-ORP

Online Digital ORP Sensor

Regular price $521.55 USD
Sale price Regular price
Black online ammonia nitrogen sensor by Sper Scientific showing three visible apertures and an attached cable.

Sper Scientific

870001-NH

Online Ammonia Nitrogen Sensor

Regular price $6,118.05 USD
Sale price Regular price
Black online digital ion sensor by Sper Scientific with orange rings, and ribbed design at the top.

Sper Scientific

870001-ION

Online Digital Ion Sensor

Regular price $1,886.55 USD
Sale price Regular price
Inline Digital pH Sensor

Sper Scientific

870001-PH

Online Digital pH Sensor

Regular price $502.05 USD
Sale price Regular price
High-temperature pH sensor by Sper Scientific with a red cap, a clear glass body, and metal accents.

Sper Scientific

Online High Temperature pH Sensor

Regular price From $662.00 USD
Sale price Regular price
Inline Industrial Wastewater PH Sensor

Sper Scientific

870002-PH

Online Industrial Wastewater PH Sensor

Regular price $170.55 USD
Sale price Regular price
Silver online digital suspended solid sensor by Sper Scientific with a black cable and yellow connector.

Sper Scientific

870005-SS

Online Digital Suspended Solid Sensor

Regular price $1,945.05 USD
Sale price Regular price
Inline Turbidity Sensor

Sper Scientific

870004-TB

Online Turbidity Sensor

Regular price $2,025.05 USD
Sale price Regular price
Silver online water quality sensor by Sper Scientific with a black cord at the top.

Sper Scientific

870001-COD

Online COD/BOD/TOC Sensor

Regular price $11,188.05 USD
Sale price Regular price
Large Display ORP Pen | Sper Scientific Direct

Sper Scientific

850053

Large Display ORP Pen

Regular price $136.85 USD
Sale price Regular price
Salinity / Temperature Pen with Large LCD Display | Sper Scientific Direct

Sper Scientific

850036

Salinity / Temperature Pen with Large LCD Display

Regular price $88.55 USD
Sale price Regular price
Benchtop Water Quality Meter | Sper Scientific Direct

Sper Scientific

860033

Benchtop Water Quality Meter

Regular price $557.75 USD
Sale price Regular price
Portable black multi-parameter water quality analyzer by Sper Scientific with a dark grey screen, blue power button, directional pad, and numeric keypad.

Sper Scientific

870014

Portable Multi-Parameter Water Quality Analyzer (Meter Only)

Regular price $1,694.00 USD
Sale price Regular price
Portable DO Meter and Sensor

Sper Scientific

860073

Portable Optical Dissolved Oxygen Meter

Regular price $1,699.00 USD
Sale price Regular price
Portable COD Analyzer

Sper Scientific

860074

Portable COD Analyzer

Regular price $4,299.00 USD
Sale price Regular price
Portable multi-parameter water quality analyzer by Sper Scientific with a cylindrical design and multiple stainless steel probes.

Sper Scientific

870015

Multi-Parameter Water Quality Sonde Sensor Housing

Regular price $4,730.00 USD
Sale price Regular price
Online Digital Inductive Conductivity/TDS/Salinity Sensor

Sper Scientific

870001-CTS

Online Digital Inductive Conductivity/TDS/Salinity Sensor

Regular price $1,516.05 USD
Sale price Regular price
Chlorine (Free & Total) Test Kit

CHEMetrics

SPSK-2504

Chlorine Test Kit- Free & Total

Regular price $103.64 USD
Sale price Regular price
Formaldehyde Test Kit

CHEMetrics

SPSK-4605

Formaldehyde Test Kit - 0-1 & 1-5 ppm

Regular price $116.23 USD
Sale price Regular price
Hardness (Total & Calcium) Test Kit

CHEMetrics

SPSTK3069-Z

Hardness (Total & Calcium) Test Kit 2 or 10ppm/25 mL

Regular price $100.66 USD
Sale price Regular price
HR COD Vials (150 Count)

CHEMetrics

SPSK-7366

HR COD Vials 0-1500 ppm (150 Count)

Regular price $272.33 USD
Sale price Regular price