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Precision Sensors, Probes & Meters | DO, pH & Flow Analysis

Precision Sensors, Probes, and Analytical Meters

Achieve absolute accuracy in your measurement and control processes with our comprehensive selection of sensors, probes, and meters. We provide a diverse range of high-performance instruments specifically engineered to monitor critical parameters in laboratory research, clinical diagnostics, and industrial manufacturing environments.

Specialized Measurement Solutions

We carry trusted industry brands including Mettler Toledo, Hamilton, Applikon, Sartorius, and VWR, ensuring your facility utilizes the most reliable sensing technology available.

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Mettler Toledo Dissolved Oxygen Sensor InPro InPro6860i/12/120/nA Dissolved Oxygen Meters Mettler Toledo

Mettler Toledo Dissolved Oxygen Sensor InPro InPro6860i/12/120/nA

Mettler Toledo
$1,100.00 - $1,100.00
$1,100.00
$1,149.50
$1,149.50 - $1,149.50
$1,149.50
3 in stock

Mettler Toledo 30014100 InPro 6860i Digital Optical Dissolved Oxygen Sensor (12/120/nA) The Mettler Toledo 30014100 (InPro 6860i) is a state-of-the...

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$1,100.00 - $1,100.00
$1,100.00
$1,149.50
$1,149.50 - $1,149.50
$1,149.50
Fisher Scientific Electrode Holder Swing Arm Stand Other Fisher Scientific Save 58% Save %

Fisher Scientific Electrode Holder Swing Arm Stand

Fisher Scientific
$377.00
$377.00 - $377.00
$377.00
$156.75
$156.75 - $156.75
$156.75
Only 1 left!

The Fisherbrand™ Electrode Holder Swing Arm Stand (Model 22286439) is a heavy-duty, articulated support system designed to manage multiple electroc...

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$377.00
$377.00 - $377.00
$377.00
$156.75
$156.75 - $156.75
$156.75
Save 58% Save %
Precision Systems Osmette II Osmometer Other Test, Measurement & Inspection Precision Systems Sold out

Precision Systems Osmette II Osmometer

Precision Systems
$400.00
$400.00 - $400.00
$400.00
$380.00
$380.00 - $380.00
$380.00
Out of stock

Precision Systems 5005 Osmette II Osmometer is a laboratory-grade freezing point osmometer designed for high-precision measurements using exception...

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$400.00
$400.00 - $400.00
$400.00
$380.00
$380.00 - $380.00
$380.00
Sold out
Key Instruments MR3000 Series Flow Meter Variable Area Flow Meters Key Instruments
Sold out

Key Instruments MR3000 Series Flow Meter Variable Area

Key Instruments
$114.00
$114.00 - $114.00
$114.00
$76.00
$76.00 - $76.00
$76.00
Out of stock

The Key Instruments MR3A14BVBN is a variable area flow meter from the MR3000 series, a line of molded flow meters designed for measuring the flow o...

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$114.00
$114.00 - $114.00
$114.00
$76.00
$76.00 - $76.00
$76.00
Sold out
Applikon AppliSens BioBundle pH Sensor 235 mm D=12 K9 pH, Conductivity & TDS Meters Applikon
Save 40% Save %

Applikon AppliSens BioBundle pH Sensor 235 mm D=12 K9

Applikon
$1,222.00
$1,222.00 - $1,222.00
$1,222.00
$736.00
$736.00 - $736.00
$736.00
Only 1 left!

The Applikon Z001042551 AppliSens BioBundle pH Sensor is a specialized pH electrode, 235 mm in length and 12 mm in diameter, specifically designed ...

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$1,222.00
$1,222.00 - $1,222.00
$1,222.00
$736.00
$736.00 - $736.00
$736.00
Save 40% Save %
Mettler Toledo pH Probe InPro 3253/120/Pt10005 Lab Equipment::Other Lab Equipment Mettler Toledo
Save 17% Save %

Mettler Toledo pH Probe InPro 3253/120/Pt10005

Mettler Toledo
$470.00
$470.00 - $470.00
$470.00
$391.88
$391.88 - $391.88
$391.88
12 in stock

The Mettler Toledo InPro 3253/120/Pt10005 pH Probe is a high-quality combination electrode designed for accurate and reliable pH and temperature me...

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$470.00
$470.00 - $470.00
$470.00
$391.88
$391.88 - $391.88
$391.88
Save 17% Save %
Broadley James OxyProbe Autoclavable Dissolved Oxygen Sensor 12 mm Dissolved Oxygen Meters Broadley James
Save 81% Save %

Broadley James OxyProbe Autoclavable Dissolved Oxygen Sensor 120 mm

Broadley James
$2,735.00
$2,735.00 - $2,735.00
$2,735.00
$522.50
$522.50 - $522.50
$522.50
Only 1 left!

The Broadley-James D145 OxyProbe is a high-quality and reliable dissolved oxygen sensor specifically designed for use in bioprocess applications. I...

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$2,735.00
$2,735.00 - $2,735.00
$2,735.00
$522.50
$522.50 - $522.50
$522.50
Save 81% Save %
Applikon Dissolved Oxygen Probe 370 mm Lab Equipment: Other Lab Equipment Applikon
Save 65% Save %

Applikon Dissolved Oxygen Probe 370 mm

Applikon
$3,228.00
$3,228.00 - $3,228.00
$3,228.00
$1,140.00
$1,140.00 - $1,140.00
$1,140.00
Only 1 left!

The Applikon Z71202AP20 Dissolved Oxygen Probe is a specialized sensor designed for measuring dissolved oxygen levels in liquid media. The length o...

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$3,228.00
$3,228.00 - $3,228.00
$3,228.00
$1,140.00
$1,140.00 - $1,140.00
$1,140.00
Save 65% Save %
Dissolved Oxygen Sensor Cable T82 D4 Power Adapter for Hamilton DO Sensor Other Hamilton
Save 17% Save %

Dissolved Oxygen Sensor Cable T82 D4 Power Adapter for Hamilton DO Sensor

Hamilton
$216.00
$216.00 - $216.00
$216.00
$180.00
$180.00 - $180.00
$180.00
10 in stock

The Hamilton 242413 Dissolved Oxygen Sensor Cable T82 D4 Power Adapter is designed to bridge the gap between modern optical dissolved oxygen (DO) s...

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$216.00
$216.00 - $216.00
$216.00
$180.00
$180.00 - $180.00
$180.00
Save 17% Save %
CAS Data Loggers Compact RTD Temperature Probe Other CAS Data
Save 38% Save %

CAS Data Loggers Compact RTD Temperature Probe

CAS Data
$99.00
$99.00 - $99.00
$99.00
$61.75
$61.75 - $61.75
$61.75
Only 1 left!

CAS Data Loggers E1-21 Compact RTD Temperature Probe is a sensing device designed to accurately measure temperature and interface with a data loggi...

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$99.00
$99.00 - $99.00
$99.00
$61.75
$61.75 - $61.75
$61.75
Save 38% Save %
Instrumentation Laboratory Probe Aspiration Tip Total of 8 Tips Other Instrumentation Laboratory
Save 5% Save %

Instrumentation Laboratory Probe Aspiration Tip Total of 8 Tips

Instrumentation Laboratory
$400.00
$400.00 - $400.00
$400.00
$380.00
$380.00 - $380.00
$380.00
Only 1 left!

Instrumentation Laboratory 9733500 Probe Aspiration Tip is a precision consumable component used within clinical diagnostic analyzers. Due to the c...

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$400.00
$400.00 - $400.00
$400.00
$380.00
$380.00 - $380.00
$380.00
Save 5% Save %
Gilmont Instruments Flow Meter 65 mm Other Aalborg
Save 29% Save %

Gilmont Instruments Flow Meter 65 mm

Aalborg
$47.00
$47.00 - $47.00
$47.00
$33.25
$33.25 - $33.25
$33.25
Only 1 left!

The Gilmont Instruments GF-5321-1401 is a high-precision shielded flow meter designed for accurately measuring and controlling the flow of liquids ...

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$47.00
$47.00 - $47.00
$47.00
$33.25
$33.25 - $33.25
$33.25
Save 29% Save %
Hamilton Probe I/O Contact PCB Assy Rev. B Other Hamilton
Save 21% Save %

Hamilton Probe I/O Contact PCB Assy Rev. B

Hamilton
$120.00
$120.00 - $120.00
$120.00
$95.00
$95.00 - $95.00
$95.00
Only 1 left!

The Hamilton 41212 Probe I/O Contact PCB Assembly (Rev. B) is a critical electronic component found in Hamilton Microlab STAR and NIMBUS automated ...

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$120.00
$120.00 - $120.00
$120.00
$95.00
$95.00 - $95.00
$95.00
Save 21% Save %
Applikon pH Sensor Cable K9-BNC 2.0M Other Applikon
Save 40% Save %

Applikon pH Sensor Cable K9-BNC 2.0M

Applikon
$215.00
$215.00 - $215.00
$215.00
$128.25
$128.25 - $128.25
$128.25
Only 1 left!

The Applikon Z100200010 is a specialized pH sensor cable designed for use in bioreactor and fermenter systems. This 2.0-meter cable features a K9 c...

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$215.00
$215.00 - $215.00
$215.00
$128.25
$128.25 - $128.25
$128.25
Save 40% Save %
Apera pH/Temperature Electrode ATC Enabled BNC/RCA Connector Other Leads & Probes Apera
Save 31% Save %

Apera pH/Temperature Electrode ATC Enabled BNC/RCA Connector

Apera
$96.00
$96.00 - $96.00
$96.00
$66.50
$66.50 - $66.50
$66.50
Only 1 left!

The Apera 201T-F is a versatile 3-in-1 combination pH electrode designed for precision water analysis. It integrates a pH sensor, a reference elect...

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$96.00
$96.00 - $96.00
$96.00
$66.50
$66.50 - $66.50
$66.50
Save 31% Save %
VWR Universal pH Electrode SJ 223 Other Medical & Lab Equipment VWR
Save 17% Save %

VWR Universal pH Electrode SJ 223

VWR
$119.00
$119.00 - $119.00
$119.00
$99.28
$99.28 - $99.28
$99.28
Only 1 left!

VWR 76460-476 Universal pH Electrode SJ 223 is designed to withstand typical laboratory use, it is suitable for a wide range of applications, inclu...

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$119.00
$119.00 - $119.00
$119.00
$99.28
$99.28 - $99.28
$99.28
Save 17% Save %
Hamilton Conducell 4USF-PG 225 Conductivity Sensor Other Hamilton
Save 51% Save %

Hamilton Conducell 4USF-PG 225 Conductivity Sensor 225mm

Hamilton
$360.00
$360.00 - $360.00
$360.00
$175.50
$175.50 - $175.50
$175.50
Only 1 left!

The Hamilton Conducell 4USF-PG 225 Conductivity Sensor is a high-precision instrument designed for accurate measurement of conductivity in various ...

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$360.00
$360.00 - $360.00
$360.00
$175.50
$175.50 - $175.50
$175.50
Save 51% Save %
Brooks Instrument Flow Meter 3.8 L/min Flow Meters Brooks
Save 73% Save %

Brooks Instrument Flow Meter 3.8 L/min

Brooks
$280.00
$280.00 - $280.00
$280.00
$76.00
$76.00 - $76.00
$76.00
Only 1 left!

The Brooks Instrument 1110-01F1A1A is a precision Full-View Variable Area (VA) Flow Meter (Rotameter) designed for liquid or gas service. Part of t...

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$280.00
$280.00 - $280.00
$280.00
$76.00
$76.00 - $76.00
$76.00
Save 73% Save %
Brooks Instrument Sho-Rate Low Flow Rotameter Flow Meters Brooks
Save 24% Save %

Brooks Instrument Sho-Rate Low Flow Rotameter

Brooks
$100.00
$100.00 - $100.00
$100.00
$76.00
$76.00 - $76.00
$76.00
Only 1 left!

The Brooks Instrument 1355V Sho-Rate is a high-precision, low-flow glass tube rotameter designed for both gas and liquid service. As a part of the ...

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$100.00
$100.00 - $100.00
$100.00
$76.00
$76.00 - $76.00
$76.00
Save 24% Save %
Thermo Scientific Orion ROSS Ultra pH ACT Triode Combination Electrode Other Leads & Probes Thermo Scientific
Save 29% Save %

Thermo Scientific Orion ROSS Ultra pH ACT Triode Combination Electrode

Thermo Scientific
$571.00
$571.00 - $571.00
$571.00
$403.75
$403.75 - $403.75
$403.75
Only 1 left!

The Thermo Scientific Orion 8302BNUMD ROSS Ultra Triode is a high-performance, refillable pH/ATC combination electrode designed for demanding labor...

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$571.00
$571.00 - $571.00
$571.00
$403.75
$403.75 - $403.75
$403.75
Save 29% Save %
Cole-Parmer Digi-Sense Thermometer Kit Thermocouple Thermometers & Probes Cole-Parmer
Save 5% Save %

Cole-Parmer Digi-Sense Thermometer Kit

Cole-Parmer
$95.00
$95.00 - $95.00
$95.00
$90.25
$90.25 - $90.25
$90.25
Only 1 left!

The Cole-Parmer 08528-41 is a professional-grade temperature monitoring kit designed for high-accuracy measurements in lab and industrial environme...

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$95.00
$95.00 - $95.00
$95.00
$90.25
$90.25 - $90.25
$90.25
Save 5% Save %
Cole-Parmer Single Tube Flow Meter 25 ml/min Flow Meters Cole-Parmer
Save 38% Save %

Cole-Parmer Single Tube Flow Meter 25 ml/min

Cole-Parmer
$213.00
$213.00 - $213.00
$213.00
$133.00
$133.00 - $133.00
$133.00
Only 1 left!

The Cole-Parmer PMR1-010605 is a high-precision variable area flow meter (rotameter) designed for low-flow gas and liquid applications. It is part ...

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$213.00
$213.00 - $213.00
$213.00
$133.00
$133.00 - $133.00
$133.00
Save 38% Save %
YSI Digital Bench Model Conductivity Meter 115 V with Power Adapter pH, Conductivity & TDS Meters YSI

YSI Digital Bench Model Conductivity Meter 115 V with Power Adapter

YSI
$261.25 - $261.25
$261.25
$261.25 - $261.25
$261.25
Only 1 left!

The YSI 3200-115 is a high-precision, digital benchtop conductivity meter designed for critical laboratory measurements where accuracy and stabilit...

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$261.25 - $261.25
$261.25
$261.25 - $261.25
$261.25
Haug Mettler Toledo One Point Ionizer XP Set Conducting Glass Electrode Other Leads & Probes Haug
Save 23% Save %

Haug Mettler Toledo Ionizer Electrode One Point XP Set Conducting Glass

Haug
$584.00
$584.00 - $584.00
$584.00
$449.00
$449.00 - $449.00
$449.00
2 in stock

Haug Mettler Toledo 23.8513.100 One Point Ionizer (OPI) XP Set – Conducting Glass Electrode The Haug 23.8513.100 is a precision One Point Ionizer (...

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$584.00
$584.00 - $584.00
$584.00
$449.00
$449.00 - $449.00
$449.00
Save 23% Save %