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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

462 products

Manual 10mm 4-Position Cell Holder

Sper Scientific

SPS-10104

Manual 50/100mm 4-Position Cell Holder

Regular price
Sale price $150.00 USD Regular price $265.00 USD
Recertification - CO2 Meters (Includes CO2/Temp/RH, if Applicable) — recertification-co2-meters-includes-co2-temp-rh-if-applicable — Recertification — Sper Scientific

Sper Scientific

SPERCAL-CO2

Recertification - CO2 Meters (Includes CO2/Temp/RH, if Applicable)

Regular price $120.00 USD
Sale price Regular price
Recertification - CO2 Meters (Includes CO2/Temp/RH, if Applicable) — recertification-co2-meters-includes-co2-temp-rh-if-applicable — Recertification — Sper Scientific

Sper Scientific

CERT-CO2

NIST Traceable Certificate of Compliance - CO2 Meters (Includes CO2/Temp/RH, if Applicable) (requires meter purchase)

Regular price $100.00 USD
Sale price Regular price
Replacement Probe for 6 In 1 Multi-Parameter Water Quality Pen - Closeup

Sper Scientific

850054P

Replacement Probe for 6 In 1 Multi-Parameter Water Quality Pen

Regular price $89.00 USD
Sale price Regular price
5 Meter Extension Cable for 6 In 1 Multi-Parameter Water Quality Pen

Sper Scientific

850054E

5 Meter Extension Cable for 6 In 1 Multi-Parameter Water Quality Pen

Regular price $69.00 USD
Sale price Regular price
6 In 1 Multi-Parameter Water Quality Pen

Sper Scientific

850054

6 In 1 Multi-Parameter Water Quality Pen

Regular price $189.00 USD
Sale price Regular price
NIST Traceable Certificate of Calibration - Thermometers (requires new thermometer purchase) | Sper Scientific Direct

Sper Scientific

CERT-THERMOCOUPLE

NIST Traceable Certificate of Calibration - Thermocouple Thermometers (requires new thermometer purchase)

Regular price From $40.00 USD
Sale price Regular price
Stainless steel mesh basket with tray for use only with Sper Scientific 100009 Advanced Ultrasonic Cleaner with Heater + DeGas - 6 Liters

Sper Scientific

100009MB

Ultrasonic Cleaner Basket with Tray for Sper Model #100009

Regular price $69.99 USD
Sale price Regular price
6-Channel Multi-Parameter Data Logger | Temperature RTD Pressure 4-20mA 0-5V Voltage with RS485 -

Sper Scientific

SPSGT-65R

6 Channel Multi-Parameter Data Logger | Temperature RTD Pressure 4-20mA 0-5V Voltage with RS485

Regular price
Sale price $675.00 USD Regular price $750.00 USD
6-Channel Multi-Parameter Data Logger | Temperature RTD Pressure 4-20mA 0-5V Voltage with RS485 -

Sper Scientific

SPSGT68R

6 Channel Multi-Parameter Data Logger | Temperature RTD Pressure 4-20mA 0-5V Voltage with RS485

Regular price
Sale price $618.00 USD Regular price $686.00 USD
6 Channel Multi-Parameter Datalogger | Temperature RTD Pressure 4-20mA 0-5V Voltage with RS485 -

Sper Scientific

SPSGT71R

16 Channel Multi-Parameter Datalogger | Temperature RTD Pressure 4-20mA 0-5V Voltage with RS485

Regular price
Sale price $1,536.00 USD Regular price $1,706.00 USD
6 Channel Multi-Parameter Datalogger | Temperature RTD Pressure 4-20mA 0-5V Voltage with RS485  & Ethernet - Sper Scientific -  -

Sper Scientific

SPSGT72R

6 Channel Multi-Parameter Datalogger | Temperature RTD Pressure 4-20mA 0-5V Voltage with RS485 & Ethernet

Regular price
Sale price $950.00 USD Regular price $1,056.00 USD
UVC Ultrasonic cleaner - open

Sper Scientific

100016

Mini UV-C Ultrasonic Cleaner + Sanitizer - 650 ML

Regular price $155.00 USD
Sale price Regular price
Potassium Ion  Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-POT

Potassium Ion Sensor - Fits Multi-Parameter Sonde

Regular price $4,178.00 USD
Sale price Regular price
Fluoride Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-FLR

Fluoride Sensor - Fits Multi-Parameter Sonde

Regular price $4,178.00 USD
Sale price Regular price
Chloride Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-CHL

Chloride Sensor - Fits Multi-Parameter Sonde

Regular price $4,178.00 USD
Sale price Regular price
Nitrate Ion Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-NI

Nitrate Ion Sensor - Fits Multi-Parameter Sonde

Regular price $2,858.00 USD
Sale price Regular price
Ammonia Nitrogen Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-AN

Ammonia Nitrogen Sensor - Fits Multi-Parameter Sonde

Regular price $2,858.00 USD
Sale price Regular price
Chlorophyll Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-CLP

Chlorophyll Sensor - Fits Multi-Parameter Sonde

Regular price $1,868.00 USD
Sale price Regular price
Blue-Green Algae Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-BGA

Blue-Green Algae Sensor - Fits Multi-Parameter Sonde

Regular price $1,868.00 USD
Sale price Regular price
Conductivity/Salinity Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-CS

Conductivity/Salinity Sensor - Fits Multi-Parameter Sonde

Regular price $645.00 USD
Sale price Regular price
pH Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-PH

pH Sensor - Fits Multi-Parameter Sonde

Regular price $645.00 USD
Sale price Regular price
Dissolved Oxygen Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-DO

Dissolved Oxygen Sensor - Fits Multi-Parameter Sonde

Regular price $1,648.00 USD
Sale price Regular price
ORP Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-ORP

ORP Sensor - Fits Multi-Parameter Sonde

Regular price $591.00 USD
Sale price Regular price
Optical Turbidity Sensor - Fits Multi-Parameter Sonde - Sper Scientific - Water Quality -

Sper Scientific

870015-TU

Optical Turbidity Sensor - Fits Multi-Parameter Sonde

Regular price $1,565.00 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
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
Large Display Temperature Monitor | Sper Scientific Direct

Sper Scientific

800116P

Replacement Probe for Sper Large Display Temperature Monitor 800116

Regular price $81.50 USD
Sale price Regular price
Sper Scientific moisture analyzer

Sper Scientific

850102

Halogen Moisture Analyzer

Regular price From $1,225.00 USD
Sale price Regular price
Black replacement probe for an SD card logger by Sper Scientific with a coiled black cord and connector.

Sper Scientific

800021P

Replacement Probe for Sper 800021 RH & Temperature SD Card Logger

Regular price $82.50 USD
Sale price Regular price
White USB temperature datalogger with PDF reports by Sper Scientific showing a digital temperature reading.

Sper Scientific

800133

USB Humidity/Temperature Datalogger with PDF Reports

Regular price $180.00 USD
Sale price Regular price
Colorimeter by 3nh, with software displayed on a monitor, tablet, and smartphone.

Sper Scientific

SPERCAL-3NHC

Recertification - 3nh Colorimeters + Haze Meters

Regular price $300.00 USD
Sale price Regular price
Adapter cable for optical dissolved oxygen meter by Sper Scientific, showing black wiring and green and black connectors.

Sper Scientific

860067R

Adapter Cable for Optical Dissolved Oxygen Meter

Regular price $18.50 USD
Sale price Regular price
Black extension cable for dissolved oxygen meter by Sper Scientific with green connectors, bundled together.

Sper Scientific

860067E

10 Foot Extension Cable for Optical Dissolved Oxygen Meter

Regular price $64.50 USD
Sale price Regular price
Optical Dissolved Oxygen (DO) Probe

Sper Scientific

860067P

Optical Dissolved Oxygen Probe

Regular price $422.00 USD
Sale price Regular price
Ultrasonic Cleaner Basket and Tray for Sper Model #100007

Sper Scientific

100007SBT

Ultrasonic Cleaner Basket and Tray for Sper Model #100007

Regular price $19.99 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.