pH and Electrochemistry | Thermo Fisher Scientific

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Probes and Electrodes (103)
Electrochemistry Meters (64)
pH and Electrochemistry Meter Accessories (40)
pH Meters (9)
pH Paper and other Test Strips (7)
Benchtop Titrators (5)

Yes (19)
Yes (Selectable) (7)

ORP (1)
pH with calibration editing option, relative mV, ORP and temperature (7)
pH with calibration editing option, relative mV, ORP, LogR temperature and temperature (3)
pH, ORP and temperature (5)
pH, ORP, Temperature (7)
pH, relative mV (RmV) and temperature (2)
pH, relative mV (RmV), ORP and temperature (3)
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2 to 6 (5)
Up to 5 (11)

CE, CSA, FCC Class A limits (5)
CE, FCC, RoHS (1)
Certificate of Analysis (COA), Certificate of Conformance (COC) (20)
ISO 9001:2000 (3)
None (3)

1 (14)
2 (24)
3 (6)
4 (Customizable with modules) (12)

2.5 mm Phono Jack (1)
8-pin Mini-DIN (9)
BNC (27)
BNC (Waterproof) (46)
BNC (Waterproof), BNC-to-USS adapter is required with this product as a onetime purchase. Part Number: 13-641-890 (1)
BNC/2.5 mm phono tip (1)
Mini-DIN (8)
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10,000 with Date and Time Stamp (10)
1000 with Date and Time Stamp (5)
2000 with Date and Time Stamp (16)
50 (4)
500 Sets with Date and Time Stamp (2)
500 with Date and Time Stamp (5)
5000 with Date and Time Stamp (3)

4-digit, Double-line (2)
5 in. backlit LCD (2)
5.7 in. color capacitive touchscreen, 640 x 480 resolution (14)
7-in. High-resolution Color Graphic LCD (21)
Color Graphic LCD with User-customizable Options (3)
Color graphic LCD with user-customizable options (12)
Graphic Dot Matrix (11)
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0 to 14 ppm (1)
0.00 to 20.0 mg/L (3)

08101 Probes (1)
081010MD (1)
12 mm Electrodes, Glass (1)
3-Star Conductivity Meter, 4-Star pH/Conductivity Meter, 5-Star pH/DO/Conductivity Meter, 5-Star pH/ISE/DO/Conductivity Meter (1)
6 mm Electrode, Glass (1)
8 mm Electrode, Glass (1)
9300BNWP Electrode Body Handle (1)
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IP-54 (2)
IP-67 (7)
IP54 (45)
IP67 (31)

Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode (16)
Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode (5)
Automatic with Auto-Read, Timed, and Single-shot Measure Modes, Manual (6)

Barometric Pressure (8)
Conductivity (43)
Conductivity with Temperature (5)
Dissolved Oxygen (% Saturation with Temperature and Barometric Pressure) (4)
Dissolved Oxygen (% Saturation with Temperature) (2)
Dissolved Oxygen (% Saturation) (15)
Dissolved Oxygen (mg/L with Temperature and Barometric Pressure) (10)
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0.0 to 200.0 % saturation (3)
0.0 to 300.0 % saturation (2)
0.0 to 600.0 % saturation (10)
0.0 to 600.0% saturation (17)

0.00 μS to 500.0 mS (2)
0.00 to 20.00 mS/cm (10)
0.001 μS/cm to 3000 mS/cm (24)
0.01 μS/cm to 200.0 mS/cm (2)
0.010 μS/cm to 3000 mS/cm (10)

0.0001 to 19,900 in ppm, M, mg/L, % or unit-less (5)
0.0001 to 19999 (11)

0.0 to 300.0 % saturation; 0.00 to 30.0 mg/L or ppm (2)
0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm (4)
0.00 to 20.00 mg/L (3)
0.00 to 90.00 mg/L (6)

0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm (4)
0.00 to 50.00 mg/L (6)

1.0 Ω to 100.0 MΩ (6)
1.0Ω to 100.0 MΩ (4)
2 ohm to 100.0 meg-ohm (13)
2 ohm to 100.0 megohm (11)

0 to 80 ppt (1)
0.0 to 10.0 ppt (1)
0.00 to 10.00 ppt (9)
0.00 to 80.0 ppt; 0.00 to 42.0 PSU (2)
0.010 to 80.00 ppt; 0.01 to 42.00 PSU; or 0.01 to 400.0% NaCl (10)
0.06 to 80.00 psu, 0.05 to 42.00 ppt (24)

0.00 to 10.00 ppt (9)
0.00 to 20.00 ppt (1)
0.001 ppm to 200.0 ppt (13)
0.010 ppm to 500.0 ppt (TDS factor of 1.00); or 0.010 mg/L to 500.0 g/L (TDS factor of 1.00) (10)
1 to 19,999 mg/L (2)

5 to 85 %, non-condensing (9)
5 to 85%, non-condensing (6)

0.0001 minimum, 1 to 3 significant digits (user selectable) (12)
0.0001 minimum, 1 to 4 significant digits (user selectable) (9)
0.0001 minimum, 1 to 5 digits (22)

Dissolved Oxygen Sensor (1)
Dual Thermally Separated (4)
Polarographic (2)
Polarographic Dissolved Oxygen Sensor (5)
RDO Optical Dissolved Oxygen Sensor (4)
RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor (6)
Self-stirring BOD Probe (1)

Special Offer (13)

-30.0°C to +130.0°C (15)
-5.0°C to +105.0°C (9)
0.0°C to 50.0°C (7)

Orion Star™ A215 pH/Conductivity Benchtop Multiparameter Meter

Record accurate and reliable pH, mV, ORP, conductivity, total dissolved solids (TDS), salinity, resistivity and temperature measurements with the Thermo Scientific™ Orion Star™ A215 pH/Conductivity Benchtop Multiparameter Meter.

Orion™ Versa Star Pro™ pH/Conductivity Multiparameter Benchtop Meter

Get high accuracy, premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ pH/Conductivity Multiparameter Benchtop Meter. Meet your most challenging applications for pH, mV, ORP, conductivity, total dissolved solids (TDS), salinity, resistivity and...

Orion™ Versa Star Pro™ pH/ISE/Conductivity/Dissolved Oxygen Multiparameter Benchtop Meter

Get high accuracy, premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ pH/ISE/Conductivity/Dissolved Oxygen Multiparameter Benchtop Meter. Meet your most challenging applications for pH, ion concentration, conductivity, dissolved oxygen and temperature.

Orion Star™ A325 pH/Conductivity Portable Multiparameter Meter

Get high accuracy and premium performance everywhere you need it with the Thermo Scientific™ Orion Star™ A325 pH/Conductivity Portable Multiparameter Meter. This meter is designed for a wide range of pH, mV, ORP, conductivity, total dissolved solids (TDS), salinity, resistivity and temperature...

Orion™ Dual Star™ pH, ISE, mV, ORP and Temperature Dual Channel Benchtop Meter

Double your measurement capabilities with the Thermo Scientific™ Orion™ Dual Star™ pH and ISE Benchtop Meter. Record accurate and reliable pH, ion concentration, mV, ORP and temperature measurements on two available meter channels, ideal for high throughput pH and ion analysis in the lab.

Orion™ Glass Bodied Temperature Probes

Automatically correct pH measurements for variation in electrode slope due to temperature change with the Thermo Scientific™ Orion™ 927006MD Glass ATC Probe. Available with three different connector options.

Orion Star™ A324 pH/ISE Portable Multiparameter Meter

Get high accuracy and premium performance everywhere you need it with the Thermo Scientific™ Orion Star™ A324 pH/ISE Portable Multiparameter Meter. This meter was designed for a wide range of pH, ion concentration, mV, ORP and temperature testing and field applications.

Orion™ ISE Ionic Strength Adjustors (ISA) and Special Reagents

Take more accurate and reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Ionic Strength Adjustors (ISA) and Special Reagents. Ionic strength adjustors are used for analysis with ion selective electrodes, and special reagents are used with some ion selective electrodes.

Orion™ ROSS Ultra™ Glass Bodied pH/ATC Triode™

Thermo Scientific™ Refillable Orion™ ROSS Ultra™ Triode™ 3-in-1 pH/Automatic Temperature Compensation Electrodes combine the precision and speed of response of the ROSS Ultra™ line with a built-in ATC.

Orion™ Single Junction Glass Bodied Combination Silver Billet Electrode

Thermo Scientific™ Orion™ Silver Billet Electrodes allow for an accurate determination of potentiometric halides. These electrodes are a combination of a silver billet-indicating electrode, along with a silver billet half-cell.

Orion™ 2120XP Calcium Hardness Analyzer

Limit the costly effects of improper water purification using the Thermo Scientific™ Orion™ 2120XP Calcium Hardness Analyzer. This analyzer detects calcium as a major component of hardness in real time, providing accurate and reliable results.

Orion Star™ A221 Portable pH Meter

Record accurate and reliable pH, mV, ORP and temperature measurements with the Thermo Scientific™ Orion Star™ A221 Portable pH Meter. This meter is ideal for a wide range of applications and advanced pH analysis in the field.

Orion™ pHR Process ROSS™ Electrode

Save time and money while achieving fast, accurate measurements in a variety of samples with the Thermo Scientific™ Orion™ pHR Process ROSS™ Electrode. With minimal maintenance and a longer lifetime, this product offers superior performance, reliability and longevity for a variety of applications,...

Accessories and Kits for Orion™ 2111LL Low Level Sodium Analyzers

Have all the auxiliary items on hand for top production. We offer an assortment of accessories and kits for the Thermo Scientific™ Orion™ 2111LL Low Level Sodium Analyzers. Accessories and kits include calibration kit and carrrying case, analyzer enclosure, service kit, maintenance kit, consumable...

Orion™ ROSS™ Thin Stem Glass Bodied Combination pH Electrode

Thermo Scientific™ Orion™ ROSS Glass Semi-Micro Electrodes provide optimum accuracy and unmatched response in samples of varying temperatures. They are available in chemically resistant glass bodies and are best suited for measuring samples in test tube and small containers.

pH & Electrochemistry

The ability to precisely evaluate a sample is essential to achieving high standards in the lab. Your work and your samples depend on it. Utilizing the right instruments to help ease your most critical and everyday applications is key- whether you’re in the lab or the field.

pH & Electrochemistry Meter Accessories

Enhance your productivity while protecting your investment. We offer an assortment of meter accessories for our benchtop and portable meters., Complement your benchtop meter with key accessoriesthat make you more productive.

Product Literature

907-multichannel-ms