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Sper Scientific Instruments

 Sper Scientific Instruments

Sper Scientific is a trusted manufacturer and supplier of professional measurement and monitoring instruments for laboratory, industrial, environmental and educational applications worldwide.

With more than four decades of experience, the company provides reliable, cost-effective instruments that help scientists, engineers, educators and quality control professionals obtain accurate, consistent results. Our broad product selection includes: air and water quality meters, environmental monitoring instruments, laboratory equipment, thermometers, light meters, sound meters, refractometers, materials testing and other specialized measurement tools.

Sper Scientific products combine dependable performance with practical features and user-friendly operation for both field and laboratory use. Many instruments are also available with NIST-traceable calibration certification to support quality assurance and regulatory requirements. Knowledgeable technical support, competitive pricing and industry-leading warranties provide added confidence before and after every purchase.

Optical Dissolved Oxygen Meter

499 products

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
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
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
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
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
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 desulfurization pH sensor with black PPS body, upper and lower threads and cable on a white background

Sper Scientific

870002-PHC8X

Online Industrial Desulfurization pH Sensor

Regular price $600.00 USD
Sale price Regular price
Ultra-pure water pH electrode with gray twist-lock housing, sealing rings and detached black protective cap on white background

Sper Scientific

870002-PHA

Online Ultra-Pure Water pH and Temperature Electrode

Regular price $362.50 USD
Sale price Regular price
Industrial PTFE pH and temperature sensor with cable and dual NPT threads on a white background

Sper Scientific

870002-PHF

Online Industrial PTFE pH and Temperature Sensor

Regular price $150.00 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-PWDO

Online Trace Dissolved Oxygen Sensor for High-Purity Water

Regular price $1,325.00 USD
Sale price Regular price
Sper Scientific 870003-ICE-01F conductivity sensor product photo 3 on white background

Sper Scientific

Online Industrial Conductivity Sensor with Dual 3/4-Inch Thread

Regular price $125.00 USD
Sale price Regular price
Sper Scientific 870023-PS pressure sensor side view on white background

Sper Scientific

870023-PS

Online Industrial Pressure Sensor, 0–100 MPa, 4–20 mA

Regular price $237.50 USD
Sale price Regular price
GPE100 industrial glass pH electrode with red threaded fitting

Sper Scientific

870002-PHG1

Online Industrial Glass pH Electrode - Waste Water (PTFE)

Regular price $150.00 USD
Sale price Regular price
Industrial online ORP sensor, front view

Sper Scientific

870002-ORP

Online Industrial ORP Sensor

Regular price $175.00 USD
Sale price Regular price
Digital dissolved oxygen sensor

Sper Scientific

870001-DO

Online Digital Dissolved Oxygen Sensor

Regular price $1,147.50 USD
Sale price Regular price
Sper Scientific 870020 industrial online sodium analyzer

Sper Scientific

870020

Online Industrial Sodium Analyzer

Regular price $8,747.50 USD
Sale price Regular price
Sper Scientific 870019 phosphate analyzer, angled view

Sper Scientific

870019

Online Industrial Phosphate Analyzer

Regular price $12,497.50 USD
Sale price Regular price
Sper Scientific 870018 online silicate analyzer, angled view

Sper Scientific

870018

Online Industrial Silicate Analyzer

Regular price $12,497.50 USD
Sale price Regular price
Sper Scientific 870009A online conductivity and acid base analyzer

Sper Scientific

870009A

Online Conductivity and Acid/Base Analyzer

Regular price $997.50 USD
Sale price Regular price
Sper Scientific 870003E two-wire conductivity analyzer, three-quarter view

Sper Scientific

870003E

Explosion-Proof Two-Wire Online Conductivity Analyzer

Regular price $1,500.00 USD
Sale price Regular price
Sper Scientific 870002E pH ORP analyzer, active display

Sper Scientific

870002E

Explosion-Proof Online pH/ORP Analyzer

Regular price $1,350.00 USD
Sale price Regular price
870023 Open Channel Flow Meter

Sper Scientific

870023

Open Channel Flow Meter

Regular price $350.00 USD
Sale price Regular price
Sper Scientific 870017 DPD Colorimetry Chlorine Analyzer, closed cabinet view

Sper Scientific

870017

Online DPD Colorimetry Chlorine Analyzer

Regular price $4,300.00 USD
Sale price Regular price
Sper Scientific 870001S analyzer with blue company logo

Sper Scientific

870001S

Online Multi-Parameter Water Quality Analyzer

Regular price $4,300.00 USD
Sale price Regular price
Online Dual-Channel pH/Conductivity Analyzer

Sper Scientific

870002D

Online Dual-Channel pH/Conductivity Analyzer

Regular price $947.50 USD
Sale price Regular price
Online Universal Water Quality Transmitter

Sper Scientific

870016

Online Universal Water Quality Transmitter

Regular price $997.50 USD
Sale price Regular price
Tri-Clamp Sanitary Conductivity Sensor

Sper Scientific

Sanitary Tri-Clamp Conductivity Sensor

Regular price $290.00 USD
Sale price Regular price
Plug / Nut / Welding Base

Sper Scientific

SSIK-100 316L

Plug / Nut / Welding Base

Regular price $337.00 USD
Sale price Regular price
pH Sheath for Bioprocess Analytics Sensor

Sper Scientific

SSSH-101 316L

pH Sheath for Bioprocess Analytics Sensor

Regular price $337.00 USD
Sale price Regular price
Cable with VP8 Connector

Sper Scientific

Bioprocess Analytics Sensor Cable

Regular price From $122.00 USD
Sale price Regular price
Fermentation Dissolved Oxygen Sensor (Polarographic type)

Sper Scientific

Fermentation Dissolved Oxygen Sensor (Polarographic type)

Regular price From $1,722.00 USD
Sale price Regular price
Single Use PH Sensor

Sper Scientific

SSAPH705

Single Use PH Sensor

Regular price $373.00 USD
Sale price Regular price
Fermentation PH Sensor - S8

Sper Scientific

Fermentation PH Sensor - S8

Regular price From $348.00 USD
Sale price Regular price
Fermentation PH Sensor | K8s Connector

Sper Scientific

Fermentation PH Sensor - K8s Connector

Regular price From $348.00 USD
Sale price Regular price
Fermentation PH Sensor

Sper Scientific

Fermentation PH Sensor - PT1000

Regular price From $398.00 USD
Sale price Regular price
Industrial Conductivity / TDS / Salinity / Resistivity Bio Process Monitor

Sper Scientific

SSMEC-100

Industrial Conductivity / TDS / Salinity / Resistivity Bioprocess Monitor

Regular price $695.00 USD
Sale price Regular price

About Sper Scientific Instruments 

Sper Scientific is a leading supplier of professional measurement and monitoring instruments with over four decades of experience serving laboratory, industrial, environmental, and educational markets worldwide. Known for dependable instrumentation, broad product selection, and responsive technical support, Sper Scientific equips scientists, engineers, and quality control professionals with the tools they need to measure with confidence.

Measurement Instruments for Every Application 

Sper Scientific's catalog spans environmental monitoring, water quality, air quality, light measurement, electrical testing and laboratory analysis. From field-portable meters to full benchtop systems, Sper Scientific offers a comprehensive instrument solution for virtually every measurement need.

Key Product Families

  • Environmental Meters — Temperature, humidity, air quality, CO, sound, and light measurement.
  • Water Quality Instruments — pH, dissolved oxygen, conductivity, turbidity, ORP, and salinity meters.
  • Thermometers & IR Meters — Contact and non-contact temperature measurement for lab and field.
  • Spectrophotometers — Visible wavelength analysis for color and concentration measurement.
  • Ultrasonic Cleaners — Benchtop ultrasonic cleaning systems and accessories.
  • Calibration Solutions & Accessories — Buffer solutions, probes, and calibration kits.


Why Buy Sper Scientific from Sper Scientific Direct? 

As the retail arm of Sper Scientific Instruments, Sper Scientific Direct offers the complete Sper instrument lineup with factory-direct expertise, expert US-based support and fast domestic shipping.