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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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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
9 in stock

Hamilton VisiFerm T82-D4 Power Adapter Module - Dissolved Oxygen Sensor Retrofit Interface, US Version (MPN: 242413) The Hamilton 242413 (also refe...

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$216.00
$216.00 - $216.00
$216.00
$180.00
$180.00 - $180.00
$180.00
Save 17% Save %
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 %
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 Dissolved Oxygen Meters Applikon
Save 82% Save %

Applikon Dissolved Oxygen Probe 370 mm

Applikon
$3,228.00
$3,228.00 - $3,228.00
$3,228.00
$570.00
$570.00 - $570.00
$570.00
Only 1 left!

Applikon (AppliSens) Z71202AP20 Dissolved Oxygen (DO2) Sensor – 370 mm Insertion Length, 12 mm PG13.5 Thread, Electropolished Surface (MPN: Z71202A...

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$3,228.00
$3,228.00 - $3,228.00
$3,228.00
$570.00
$570.00 - $570.00
$570.00
Save 82% Save %
Cole-Parmer Refillable Probe Potassium Ion Selective Electrode Other Leads & Probes Cole-Parmer
Save 38% Save %

Cole-Parmer Refillable Probe Potassium Ion Selective Electrode

Cole-Parmer
$344.00
$344.00 - $344.00
$344.00
$213.75
$213.75 - $213.75
$213.75
Only 1 left!

Cole-Parmer Refillable Double-Junction Potassium Ion-Selective Electrode (27504-26) The Cole-Parmer Refillable Potassium Ion-Selective Electrode (2...

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$344.00
$344.00 - $344.00
$344.00
$213.75
$213.75 - $213.75
$213.75
Save 38% Save %
Cole Parmer USA Standard Test Sieve 3 in. Diameter Sizes 325, 400 Lot of 4 Sieves Other Test, Measurement & Inspection Cole-Parmer
Save 18% Save %

Cole Parmer USA Standard Test Sieve 3 in. Diameter Sizes 325, 400 Lot of 4 Sieves

Cole-Parmer
$320.00
$320.00 - $320.00
$320.00
$261.25
$261.25 - $261.25
$261.25
Only 1 left!

Cole-Parmer USA Standard Stainless Steel Test Sieves, 3 in. Diameter (Mesh Sizes 325 and 400) – Pack of 4 Sieves The Cole-Parmer USA Standard 3-Inc...

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$320.00
$320.00 - $320.00
$320.00
$261.25
$261.25 - $261.25
$261.25
Save 18% Save %
Cole Parmer USA Standard Test Sieve 3 in. Diameter Sizes 140, 170, 200, 230 Other Test, Measurement & Inspection Cole-Parmer
Save 26% Save %

Cole Parmer USA Standard Test Sieve 3 in. Diameter Sizes 140, 170, 200, 230

Cole-Parmer
$320.00
$320.00 - $320.00
$320.00
$237.50
$237.50 - $237.50
$237.50
Only 1 left!

Cole-Parmer USA Standard Stainless Steel Test Sieves, 3 in. Diameter (Mesh Sizes 140, 170, 200, 230) The Cole-Parmer USA Standard 3-Inch Diameter T...

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$320.00
$320.00 - $320.00
$320.00
$237.50
$237.50 - $237.50
$237.50
Save 26% Save %
Cole Parmer USA Standard Test Sieve 3 in. Diameter Sizes 60, 80, 100, 120 Other Test, Measurement & Inspection Cole-Parmer
Save 26% Save %

Cole Parmer USA Standard Test Sieve 3 in. Diameter Sizes 60, 80, 100, 120

Cole-Parmer
$320.00
$320.00 - $320.00
$320.00
$237.50
$237.50 - $237.50
$237.50
Only 1 left!

Cole-Parmer USA Standard Stainless Steel Test Sieves, 3 in. Diameter (Mesh Sizes 60, 80, 100, 120) The Cole-Parmer USA Standard 3-Inch Diameter Tes...

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$320.00
$320.00 - $320.00
$320.00
$237.50
$237.50 - $237.50
$237.50
Save 26% Save %
NDJ-5S Digital Rotary Viscometer With Stand Base And Transport Case Viscometers & Rheometers NDJ-5S
Save 21% Save %

NDJ-5S Digital Rotary Viscometer With Stand Base And Transport Case

NDJ-5S
$540.00
$540.00 - $540.00
$540.00
$427.50
$427.50 - $427.50
$427.50
Only 1 left!

NDJ-5S Digital Rotary Viscometer with Stand, Base and Transport Case The NDJ-5S Digital Rotary Viscometer with Stand, Base and Transport Case is a ...

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$540.00
$540.00 - $540.00
$540.00
$427.50
$427.50 - $427.50
$427.50
Save 21% Save %
Thermo Scientific Orion Versa Star Advanced Electrochemistry Meter with pH and Conductivity Channel Ports pH, Conductivity & TDS Meters Thermo Scientific
Save 76% Save %

Thermo Scientific Orion Versa Star Advanced Electrochemistry Meter with pH and Conductivity Channel Ports

Thermo Scientific
$1,000.00
$1,000.00 - $1,000.00
$1,000.00
$237.50
$237.50 - $237.50
$237.50
Only 1 left!

The Thermo Scientific Orion Versa Star Advanced VSTAR00 4-Channel Electrochemistry Meter is a modular laboratory instrument designed for electroche...

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$1,000.00
$1,000.00 - $1,000.00
$1,000.00
$237.50
$237.50 - $237.50
$237.50
Save 76% Save %
Sick Capacity Sensor 6020479 with Waste Bottle Setup Attachment Proximity Sensors Sick
Save 5% Save %

Sick Capacity Sensor 6020479 with Waste Bottle Setup Attachment

Sick
$250.00
$250.00 - $250.00
$250.00
$237.50
$237.50 - $237.50
$237.50
Only 1 left!

SICK CQ35-25NPP-KC1 Capacitive Proximity Sensor (6020479) with Waste Bottle Mount Attachment The SICK CQ35-25NPP-KC1 Capacitive Sensor (Part No. 60...

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$250.00
$250.00 - $250.00
$250.00
$237.50
$237.50 - $237.50
$237.50
Save 5% Save %
Cole Parmer Variable Area Flowmeters 150mm on Aluminum Bases Lot of 2 Flow Meters Cole-Parmer
Save 35% Save %

Cole Parmer Variable Area Flowmeters 150mm on Aluminum Bases Lot of 2

Cole-Parmer
$300.00
$300.00 - $300.00
$300.00
$195.00
$195.00 - $195.00
$195.00
Only 1 left!

Cole-Parmer EW-15309-82 150 mm Variable-Area Precision Flowmeter on Heavy-Duty Aluminum Base (Lot of 2). High-precision rotameters engineered for a...

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$300.00
$300.00 - $300.00
$300.00
$195.00
$195.00 - $195.00
$195.00
Save 35% Save %
Fisherbrand 15-077-721 Traceable Refrigerator Freezer Plug Thermometer 5 ml Bottle Probe -50 C to 70 C Other Thermometers Traceable
Save 48% Save %

Fisherbrand 15-077-721 Traceable Refrigerator Freezer Plug Thermometer 5 ml Bottle Probe -50 C to 70 C

Traceable
$184.00
$184.00 - $184.00
$184.00
$95.00
$95.00 - $95.00
$95.00
Only 1 left!

The Fisherbrand Traceable Refrigerator/Freezer Plus Thermometer, MPN 15-077-721, is a digital temperature-monitoring instrument designed for refrig...

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$184.00
$184.00 - $184.00
$184.00
$95.00
$95.00 - $95.00
$95.00
Save 48% 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 %
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 %
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 %