pH meters are instruments to measure the acidity or basicity of solutions. They typically work with a probe that has to be inserted in the solution, after which the pH can be read on a display. More advanced models also have an output channel and can record time series.

pH meter

Portable, accurate pH meter with ISM® support, IP67 certified for robust use.

METTLER TOLEDO Seven2Go pH meter ONE HANDED OPERATION Seven2Go's easy-to-reach buttons and sleek design ensure convenient one-handed operation. Seven2Go's simplified menu, automatic sensor recognition and calibration reminder ensure users get high-quality data quickly and easily. AN INVESTMENT Seven2Go's IP67 design, low weight and rugged uGo carrying case ensure a long-lasting instrument that provides reliable data even in harsh conditions. ISM® Ready – Reduced chance of error When connecting any InLab ISM® (Intelligent Sensor Management) sensor, the instrument automatically recognizes the sensor and stores the sensor ID, serial number and last calibration data. IP67 - Rugged, weatherproof design With IP67 protection and drop test resistance, the new Seven2Go laptops can withstand harsh environments. TECHNICAL FEATURES: Parameter: pH; ORP Channel: Single channel Kit version: Ready-to-use measurement kit Sensor: InLab Expert Go-ISM PH measuring range: -2 - 20 PH Resolution: 0.01; 0.1 pH accuracy (±): 0.01 mV measurement range: 0 MV Resolution: 1 VM accuracy (±): 1 mV measurement range -1999..1999 mV Temperature range (2): -5°C - 105°C Temperature resolution: 0.1°C Temperature accuracy (±): 0.5°C. Portable: Yes Intelligent Sensor Management (ISM) Compatible: Yes Memory capacity: 200 measurements Degree of protection: Watertight and dustproof (IP67) Memory size 200 measurements

pHmetro Seven2Go S2-Std-Kit Mettler-Toledo

Advanced modular pH meter for precise and flexible laboratory analysis.

pHmetro SevenExcellence pH meter S400-Std-Kit METTLER TOLEDO Professional and flexible SevenExcellenceTM fits three modules in any composition and order. It offers the greatest possible flexibility as it is possible to expand the instrument at any time by adding new measurement parameters. This tool was designed to help you meet the most stringent compliance requirements. SevenExcellenceTM offers the ideal combination of innovative properties integrated into the instrument, appropriate documentation and services. Professional pH calibration Extra safety with calibrations, thanks to methods with a rigid user guide and offset and slope monitoring. Efficient workflow support One click is all it takes to start a sample or a series of measurements or a series of analyzes with an optional autosampler. Once set up, data archiving is a standard procedure that will take place automatically after each analysis. The large, clear color display and state-of-the-art touch screen operation make working with this tool particularly enjoyable. Specifications - SevenExcellence S400 Std pH meter kit Parameter: pH; ORP Channel: single channel Sensors: InLab Expert Pro-ISM PH measuring range: -2 ... 20 Resolution pH: 0.001; 0.01; 0.1 Accuracy of pH (±): 0.002 English language; Italian; French; Russian; Portuguese; Chinese; Korean; German; Spanish; Japanese Measuring range mV: 0 ... 0 mV resolution: 0.1; 1 MV accuracy (±): 0.1 Temperature range: -30°C...130°C Temperature rise: 0.1 ° C Temperature accuracy (±): 0.1°C Security and compliance: password protection; GLP; 21 CFR part 11 support; User Management; Program the POS in methods Memory size: 250 analyzes (20,000 data points) Transfer date: PC; printer; USB pendrive Flexibility and modularity: Upgrade for additional parameter; agitators; automation; Barcode reader; LabX software Sensor included: generalist sensor Display type: TFT color touchscreen Meter Type: Single Channel Benchtop Measuring range mV: -2,000,000-2,000,000 Compatible with Intelligent Sensor Management (ISM) All the advantages of SevenExcellence METTLER TOLEDO

SevenExcellence pH meter S400-Std-Kit Mettler-Toledo

Ergonomic, robust portable pH meter ideal for lab and field tasks.

FiveGo pH meter F2-Std-Kit METTLER TOLEDO SIMPLICITY AND SOLIDITY AT AN AFFORDABLE PRICE Ergonomic, robust and intuitive, FiveGo™ portable meters offer a quality solution for your mobile applications in the laboratory, on the production line and outdoors. COMPACT, LIGHTWEIGHT AND ROBUST PH METER The compact design of the FiveGo™ guarantees the optimization and simplification of the measurements obtained in the field. Compact, lightweight and rugged, this portable meter is perfect for mobile applications. COMPACT Measuring 188 x 77 x 33 mm, this tool is perfectly compact and optimized for field use. LIGHT Designed for one-handed use, the FiveGo™ series meters weigh 0.26 kg, making them easy to transport. uGo™ TRANSPORT CASE It offers ideal protection and is the most suitable container for the pH meter, the sensor and all the accessories necessary to carry out regular outdoor measurements. INTUITIVE AND SIMPLE TO USE A large, well-structured display for easy viewing, the intuitive organization of the instrument buttons and the simple menu ensure that a measurement can be performed with just a few clicks. WATERPROOF IP67 waterproof protection allows the FiveGo™ meter to withstand humid and harsh environments. Thanks to the compact transport case, FiveGo™ is the ideal partner for any outdoor measurement. Specifications - FiveGo pH meter F2-Std-Kit Parameter: pH; ORP Channel: Single channel Kit version: Ready-to-use measurement kit Sensor: LE438 IP67 PH measuring range: 0...14 PH Resolution: 0.01 pH accuracy (±): 0.01 mV measurement range: 0 MV Resolution: 1 VM accuracy (±): 1 Temperature range (2): 0°C...100°C Temperature resolution: 0.1°C Temperature accuracy (±): 0.5°C. Memory capacity: 200 measurements Languages: English Memory size: 200 measurements Degree of protection Watertight and dustproof (IP67) Sensor included: generalist sensor Compatible with Intelligent Sensor Management (ISM) n Meter Type: Single Channel Portable Portable meter Yes mV measuring range -1,999,000–1,999,000

pHmetro FiveGo F2-Std-Kit Mettler-Toledo

Portable pH/ion meter with InLab Expert Go-ISM, ideal for field use with IP67 protection and ISM readiness.

Portable pH / ion meter with InLab Expert Go-ISM Seven2Go Pro's simplified menu, LED status light and uFocus measurement screen provide users with fast, high-quality data. Seven2Go's easy-to-reach buttons and sleek design ensure comfortable one-handed operation. Seven2Go Pro's IP67 design, sunlight-resistant screen and rugged uGo carrying case ensure reliable data, even in difficult and isolated conditions. ISM® Ready: Reduced chance of errors When any InLab ISM® (Intelligent Sensor Management) sensor is connected, the instrument automatically recognizes the sensor and stores the sensor ID, serial number and last calibration data. Specifications - Seven2Go pH / Ion meter S8-Std-Kit Parameter: pH; Ion; ORP Channel: Single channel Version kit: Ready-to-use measuring kit Sensor: InLab Expert Go-ISM PH measuring range: -2 - 20 PH resolution: 0.001; 0.01; 0.1 Accuracy pH (±): 0.002 Ion concentration measurement range: 1.00E-9...9.99E+9 Ion concentration resolution: 3 or 4 digits (automatic interval) Ion concentration accuracy (±): 0.5% Measurement range mV 0 Resolution mV 0.1; 1 Accuracy mV (±): 0.1 Temperature range (2): -30°C...130°C Temperature resolution: 0.1°C Temperature accuracy (±): ± 0.2°C  Portable: Yes Safety and Compliance: GLP; Password protection; User Management Compatible with Intelligent sensor management (ISM): Yes Memory capacity: 2,000 measurements Data transfer: PC Degree of protection: Watertight and dustproof (IP67) Languages: English; Italian; French; Polish; Russian; Portuguese; Chinese; Korean; German; Spanish; Thai; Japanese Ease of Use: Multilingual menu; Calibration support; Backlit Memory size: 2000 measurements mV measuring range: -2,000.000...2,000.000

pHmetro Seven2Go pH/Ion S8-Std-Kit Mettler-Toledo

Advanced digital pH meter for precise pH measurements.

This listing is for a WPA CD640 digital PH meter

WPA CD640 Digital PH meter

Precise portable pH meter for comprehensive field measurements.

SENTRON ARGUS portable pH meter Measuring ranges: pH: 0 - 14 pH Resolution: 0.01/0.1 Temperature: 0 - 60°C Dimensions: 11 x 5 x 5 cm Weight: 1kg Sold without probe

SENTRON ARGUS portable pH meter

Professional pH/ISE measurements with data logging and advanced calibration.

Direct ISE and pH readout Simultaneous data/temperature display Stability display Selectable resolution Absolute and relative mV modes Adjustable isopotential point pH autocalibration; calibrate at up to five pH/ISE points Auto blank correction Manual or automatic temperature compensation with optional probe Self-diagnostics and user prompts Choice of printout options at ready, at timed intervals, or on demand Memory storage for calibration and data points Two-way RS-232-C port Autobuffer recognition and 25-point datalogging including time/date of last calibration Selectable to 0.1, 0.01 or 0.001pH Relative mV range: 0 to ±1999.9mV

Thermo Scientific Orion 720A+ pH Meter

Eutech EcoScan pH 5 pH Meter

Intuitive pH/mV meter with advanced user interface for precise measurement and data storage.

Compact, pH/mV meter with intuitive operation and improved user interface LCD guides user with plain-language prompts and error messages Display indicators keep you apprised of menu choice, measuring units, buffers standardized (in pH mode) and temperature No cryptic icons to learn; prompts and status/error messages are displayed in plain language Store up to 100 datapoints in nonvolatile memory Selectable resolution to 0.1, 0.01, or 0.001pH Five-button, soft-key input simplifies data entry Internal diagnostics Automatic recognition of 15 buffers and five-point calibration BNC and reference pin inputs, input for accuFet Electrode, ATC probe input, plus bidirectional RS-232 port

Fisherbrand Accumet Basic pH Meter

Hanna HI 8417 pH Meter

Schott pH meter

WTW pH meter

Precise mobile pH meter with wide range and memory for 200 values. Ideal for on-the-go measurements.

Measuring range pH: -8.000 to +22.000 Resolution pH: 0.001 Measuring accuracy pH: ± 0.003 Measuring range temperature: -150°C to +250°C Resolution temperature: 0.1°C Measuring accuracy temperature: ± 0.2 °C Measuring range potential: -1200.0 mV to +1200.0 mV Resolution potential: 0.1 mV Measuring accuracy potential: ± 0.2 mV Memory capacity: 200 measured values Dimensions (WxHxD): 98 x 37 x 183 mm Weight: 370 g

Metrohm 826 pH mobile pH Meter

Reliable pH meter with auto buffer recognition and 99-item memory for efficient lab use.

Ohaus Aquasearcher a-AB23PH-B pH Meter Designed with a large LCD Display and six instructional menu buttons, AB23PH is a simple and straightforward pH meter. Auto buffer recognition and 3-point calibration capability ensures a reliable calibration result. Stand-alone holder increases the flexibility for routine experiments, and makes AB23PH a perfect space saving bench meter for your lab. A 99-item memory for pH measurements ensures efficient data documentation.INCLUDED: The Ohaus Aquasearcher a-AB23PH-B pH Meter  includes: - Power Cord - a-AB23PH Benchtop Meter - Stand-Alone Electrode Holder - Two Year Manufacturer's Warranty

Ohaus Aquasearcher a-AB23PH-B pH Meter

Advanced, efficient, and user-friendly benchtop pH meter with reliable accuracy.

Ohaus Aquasearcher a-AB33PH-B pH Meter The next step in the evolution of OHAUS’ original Starter Series, the all-new AQUASEARCHER™ AB33PH bench meter is designed to be reliable, efficient, and user-friendly. The i-Steward ensures repeatable and consistent measurement accuracy for optimal peace of mind. The large LCD display and touch keypad makes changing the parameters, executing setup, and performing calibration as simple as using a smartphone.INCLUDED: The Ohaus Aquasearcher a-AB33PH-B pH Meter  includes: - Power Cord - a-AB33PH Benchtop Meter - Stand-Alone Electrode Holder - Two Year Manufacturer's Warranty

Ohaus Aquasearcher a-AB33PH-B pH Meter

Reliable pH measurement with compliance-ready features and comprehensive accessories.

Ohaus Aquasearcher a-AB41PH-B pH Meter The OHAUS AQUASEARCHERTM AB41PH bench meter is designed with reliable measurement and precise performance in mind. The i-Steward ensures repeatable and consistent measurement accuracy for optimal peace of mind and can assist with compliance with 21 CFR Part 11 regulations.INCLUDED: The Ohaus Aquasearcher a-AB41PH-B pH Meter  includes: - Power Cord - a-AB41PH Benchtop Meter - Stand-Alone Electrode Holder - Two Year Manufacturer's Warranty

Ohaus Aquasearcher a-AB41PH-B pH Meter

Designed for precision, reliability, and compliance with 21 CFR Part 11.

Ohaus Aquasearcher a-AB41PH-F pH Meter The OHAUS AQUASEARCHERTM AB41PH bench meter is designed with reliable measurement and precise performance in mind. The i-Steward ensures repeatable and consistent measurement accuracy for optimal peace of mind and can assist with compliance with 21 CFR Part 11 regulations.INCLUDED: The Ohaus Aquasearcher a-AB41PH-F pH Meter  includes: - Power Cord - a-AB41PH Benchtop Meter - Stand-Alone Electrode Holder - ST410 pH Electrode - STTEMP Probe - pH Buffer Mini Kits (4 × 50mL) - Stirrer Compact AS20 - Two Year Manufacturer's Warranty

Ohaus Aquasearcher a-AB41PH-F pH Meter

Accurate pH and ORP measurements for high-level research with versatile features.

Ohaus ST5000-B pH MeterThe ST5000-B is a high performance bench meter for universal applications, providing accurate pH and ORP measurement for high level experiments and research. The ST5000-B is featured with 1,000 measurement memory, eight predefined groups, and three endpoint modes. It has a user friendly interface, with a large LCD touchscreen display. The meter can be set to record continuous measurement at designated intervals of time, and graphs can be simultaneously generated. Up to a nine point calibration ensures extreme precision with a large calibration curve that covers a wider pH measurement range. The positioning of the standalone electrode holder can be moved around the base to fit specific workstations, and height is also adjustable to optimal viewing.   INCLUDED: The Ohaus ST5000-B pH Meter  includes:   - Stand-Alone Electrode Holder - In Use Cover - pH Buffer Powder Set (4.01, 7.00, 10.00) - 4GB USB Flash Drive - Power Cord - Operator's Guide - Manufacturer's Documentation - 2 Year Manufacturer's Warranty

Ohaus ST5000-B pH Meter

Reliable and accurate pH meter with waterproof design and new electrode.

Eutech Instruments pH 510. pH meter with NEW electrode. pH measurement from 0 to 14. Internal memory. User manual. Eutech Instruments pH 510 is a high quality pH meter that comes with a brand new electrode, ensuring accurate and reliable measurements in a wide range of applications. This meter is ideal for use in laboratories, water treatment plants, aquaculture, fish farming, agriculture and more. With its ergonomic design and easy-to-read LCD display, the Eutech Instruments pH 510 is easy to use and provides fast, accurate results. Additionally, this meter features a waterproof housing making it ideal for use in wet or outdoor environments.

Eutech PH 510

Advanced pH meter with GLP compliance for precise measurements.

WTW pH-Meter pH 540 GLP

Accurate pH and mV measurements with advanced data logging.

This listing is for a Thermo Scientific Orion Star A211 Bench Top pH Meter.  The unit is in full working condition and is ready for immediate release.  The Orion Star A211 is designed for accurate and convenient pH measurement, making it essential for various laboratory applications.  Key Features: Versatile Measurements:  Capable of measuring pH, mV, ORP, and temperature, catering to a wide range of analytical needs. Advanced Calibration:  Offers up to 5-point pH calibration with automatic recognition for common buffer standards (USA/NIST and DIN), ensuring high accuracy. Data Logging:  Can log up to 2000 data point sets with time and date stamps, facilitating easy tracking of measurements for future reference. Data Transfer Capabilities:  Easily transfer calibration and data logs via USB or RS232 to a printer or computer, streamlining data management and reporting. User-Friendly Design:  Includes an electrode stand for convenient placement and storage of sensors, along with a comprehensive keypad featuring menu-specific function keys for intuitive operation. Multilingual Support:  Supports multiple languages (English, Spanish, French, Italian, German, and Chinese), making it accessible for diverse users. Backlit Graphic LCD Display:  Displays critical information, including pH/mV/RmV, temperature, electrode status, time, date, sample ID, user ID, and calibration points, ensuring that users have real-time access to vital data. Specifications: pH Range: -2 to 20 mV Range: ±2000.0 mV Temperature Range: -5°C to 105°C Resolution: pH: 0.001, 0.01, 0.1 mV: 0.1 Temperature: 0.1°C Accuracy: pH: ±0.002 mV: ±0.2 mV or ±0.05% of reading (whichever is greater) Calibration Points: 1 to 5 Data Management: Ability to transfer single, range, or all data points to a printer or computer.

Thermo Scientific Orion Star A211 Bench Top pH Meter

Fully functional Mettler Toledo S210 pH meter with ready-to-use condition.

Manufacturer: Mettler Toledo Model: Seven Compact pH meter S210 with InLab ExpertProISM electrode S/N: B838446936   including Tripod & Expert Pro-ISM electrode (pH) Description: The Mettler Toledo Seven Compact S210 is a precise and user-friendly pH meter designed specifically for demanding applications in chemical, pharmaceutical, environmental and food analysis laboratories. In combination with the InLab ExpertProISM pH electrode, the instrument offers excellent measurement accuracy, stability and reproducibility. Intelligent Sensor Management (ISM) technology enables automatic sensor identification, calibration data transfer and electrode condition monitoring - for safe, traceable and error-free measurements. The S210 is easy to use thanks to its intuitive user interface with large colour display. Various calibration and measurement modes make it versatile, both in routine operation as well as for precise laboratory analyses. Specifications: Measurement parameters: pH, mV, temperature Electrode: InLab ExpertProISM, low maintenance and robust pH range: 0.00 to 14.00 pH Temperature range: 0 °C to 100 °C Calibration: automatic or manual, up to 5 points Applications: chemistry, pharmacy, environmental analysis, food inspection Technical details: Power supply: 100-240 V, 50/60 Hz Display: Large colour LCD with intuitive navigation Connectivity: USB and RS232 interfaces for data output Weight: about 1.5 kg Dimensions: 20 cm (W)   25 cm (D)   10 cm (H) Condition: The device is in excellent cosmetic and functional condition, it has been extensively tested and is ready for immediate use.

Mettler Toledo Seven Compact Ph Meter S210 + ExpertProISM

Reliable pH meter for precise scientific analysis.

The offered instrument / system is fully functional tested and ready to use. FURTHER DETAILS TO FOLLOW

Fisher Scientific Accumet AE150 PH Meter

Precise and versatile pH meter with temperature measurement capabilities.

METTLER TOLEDO MP230 pH Meter Measuring range mV: 1999, accuracy: 1, resolution: 1 Measuring range pH: 0.00-14.00, accuracy: 0.01, resolution: 0.01 Measuring range temperature: -5-105, accuracy: 0.5, resolution: 0.1 Without electrode

METTLER TOLEDO MP230 pH Meter

Precision portable multi-parameter meter with broad measurement ranges.

Portable pH Meter SEVENGO DUO SG78 METTLER TOLEDO Accuracy pH: ±0.002 Type: Portable pH range: 0 to 14 Redox range (mV): ± 1999 Conductivity range: 0.01 µS/cm to 1000 mS/cm TDS range: 0.01 mg/l to 600 g/l Resistivity range: 0.00 to 100.00 MΩcm Salinity range: 0.00 to 80.00 ppt T° range (°C): -5 to +130 Power supply: 4 AA 1.5 V batteries / NiMH 1.3 V accumulators Weight (g): 325 (without batteries) L x W x H (mm): 220 x 90 x 45 With an electrode

Portable pH Meter SEVENGO DUO SG78 METTLER TOLEDO

Portable dual-channel pH/Conductivity meter with ISM sensors for precise multi-parameter measurements.

Double measurements everywhere. Designed so that the single press of a button triggers a calibration, measurement or review of the stored data. Intelligent Sensor Management (ISM®) ISM® leaves nothing to chance! Calibration data and history are stored in the sensor and automatically transferred upon connection to the instrument. ISM® meter and sensors - a great match The electrode kit contains the instrument and two ISM® sensors. You can benefit from its free features immediately! Specifications - SevenGo Duo pH / Cond meter SG23-EL-Kit Parameter: pH; Conductivity; ORP Channel: Double channel Version kit: Ready-to-use measuring kit Sensor: InLab Expert Go-ISM; InLab 738-ISM PH measuring range: 0 - 14 PH resolution: 0.01 Accuracy pH (±): 0.01 Measurement range (2): 0.1µS / cm - 500mS / cm Conductivity resolution: 0.01 ... 1 Conductivity accuracy (±): 0.5% Measurement range mV 0 Resolution mV: 1 Accuracy mV (±) 1 Temperature range (2): -5 ° C...105°C Temperature resolution: 0.1°C Temperature accuracy (±) pH: ± 0.5 / Cond: ± 0.2 Portable: Yes Compatible with Intelligent sensor management (ISM): Yes Memory capacity: 99 measurements Degree of protection: Watertight and dustproof (IP67) Languages  English Memory size  99 measurements Meter Type  Portable Dual-Channel mV measuring range  -1999..1999 mV

pHmetro SevenGo Duo pH/Cond SG23-EL-Kit Mettler-Toledo

Intuitive, compact pH meter with efficient data export and high accuracy measurements.

FiveEasy pH meter F20-Std-Kit METTLER TOLEDO Thanks to FiveEasy's intuitive operation, elegant design and simple data export functions, you can measure in comfort. Ideal for laboratory applications, the FiveEasy and FiveEasy Plus worktops provide high quality pH/mV or conductivity measurements with a simple click. Compact in design and equipped with various data export capabilities, the FiveEasy series instruments are the perfect companion for obtaining reliable measurement data, at an excellent quality/price ratio. SIMPLE MEASUREMENT Impeccable pH measurements, fast and efficient thanks to a large, well-structured display and an intuitive button layout. COMPACT, SPACE-SAVING DESIGN Thanks to its compact design and removable sensor holder (stowable on the side of the meter), the instrument takes up little space on the workbench. The rectangular structure allows easy stacking of the instrument and is very light: only 0.63 kg for 227 x 147 x 70 mm of dimensions. Specifications - FiveEasy pH meter FP20-Std-Kit Parameter: pH;mV Channel: Single channel Version kit: Ready-to-use measuring kit Sensor: LE438 PH measuring range: 0 - 14 PH resolution: 0,01 Accuracy pH (±): 0,01 Measurement range mV: 0 MV resolution: 1 MV accuracy (±): 1 Temperature range (2): 0°C - 100°C Temperature resolution: 0.1°C Temperature accuracy (±): 0.5°C. Portable: No ISM Assistance: No Once you have purchased the product, you will find simple and clear videos on how to set up and calibrate your FiveEasy ph-meter:

pHmetro FiveEasy F20-Std-Kit Mettler-Toledo

Reliable portable oximeter for precise dissolved oxygen assessment in various environments.

WTW OXI 3205 portable oximeter Without probe Waterproof dissolved oxygen measuring instrument Battery type: 4 x 1.5 V AA rechargeable batteries or 4 x 1.2 V NiMH rechargeable batteries Compensation and correction of atmospheric pressure: Automatic from 500 to 1100 mbar Protection class: IP 67 Screen display: backlit graphic LCD Dissolved O2 measuring range: 0.00 to 90 mg/L Dissolved O2 accuracy: ±0.5% Dissolved O2 resolution: 0.01, 0.1mg/L Temperature precision/accuracy: ±0.1°C Working/Operating/Use Temperature: -5 to 50°C Net weight: 2KG

WTW OXI 3205 portable oximeter

High-precision waterproof oximeter with automatic pressure compensation.