Metrohm 780 pH Meter & 781 pH/Ion Meter
Advanced Laboratory Instruments for Precision pH and Ion Analysis
The Metrohm 780 pH Meter and 781 pH/Ion Meter are premium laboratory instruments engineered for highly accurate pH, potential, temperature, and ion concentration measurements. Combining Metrohm’s renowned precision with advanced quality control features and intuitive operation, these benchtop meters are ideal for laboratories requiring reliable analytical performance and GLP-compliant documentation.
The 781 pH/Ion Meter extends functionality beyond pH analysis by providing precise ion concentration measurements using ion-selective electrodes, making it a versatile solution for research, environmental, industrial, and quality control laboratories.
Key Features
- High-resolution graphical LCD display
- Accurate pH, mV, and temperature measurement
- Ion concentration measurement (781 model)
- GLP-compliant electrode testing
- Automatic buffer recognition with up to 9 calibration points
- Automatic temperature compensation
- Built-in method and data storage
- Automatic calibration monitoring and service reminders
- User identification for traceable documentation
- RS232 connectivity for PC and printer
- Barcode reader and keyboard compatibility
- Metrohm stirrer control via MSB interface
Precision Measurement Made Simple
Designed for both routine and advanced laboratory applications, the Metrohm 780 and 781 deliver accurate measurements with an intuitive user interface. The large graphical display presents measurement values, calibration curves, and operating parameters clearly, while customizable methods simplify repetitive workflows.
Integrated temperature measurement and automatic compensation ensure consistent and reliable results across different sample conditions.
Intelligent Quality Control
Metrohm’s advanced quality assurance features help laboratories maintain measurement accuracy and regulatory compliance.
- GLP-compliant electrode performance testing
- Automatic electrode condition evaluation
- Calibration curve storage
- Automatic buffer recognition
- Instrument self-diagnostics
- Adjustable calibration and service intervals
- Complete measurement traceability through user identification
These functions minimize operator error while supporting laboratory quality management systems.
Advanced Ion Analysis (781 pH/Ion Meter)
The 781 pH/Ion Meter provides comprehensive ion concentration determination using ion-selective electrodes.
Supported measurement methods include:
- Direct ion measurement
- Calibration curve analysis
- Standard addition
- Sample addition
- Fully automated dosing with Metrohm Dosimat
The instrument supports a wide range of ion-selective electrodes for applications involving fluoride, chloride, sodium, potassium, calcium, nitrate, silver, copper, lead, cyanide, bromide, iodide, sulfide, cadmium, thiocyanate, and many other ions.
Laboratory Automation
The 780 and 781 meters integrate seamlessly with Metrohm laboratory accessories for improved productivity.
Compatible accessories include:
- 801 Magnetic Stirrer
- 802 Rod Stirrer
- 804 Ti Stand
- Metrohm Dosimat
- Compact Autosampler
- External Printer
- Barcode Reader
- PC Keyboard
These accessories enable automated calibration, sample addition, and high-throughput analytical workflows.
Applications
The Metrohm 780 and 781 are ideal for:
- Environmental Laboratories
- Water & Wastewater Testing
- Food & Beverage Quality Control
- Pharmaceutical Analysis
- Chemical Manufacturing
- Mining & Metallurgy
- Academic & Research Laboratories
- Industrial Quality Assurance
- Ion-Selective Electrode Analysis
Why Choose Metrohm 780 & 781?
- Exceptional Swiss-engineered accuracy
- Professional-grade pH and ion measurement
- Advanced GLP compliance features
- Automated quality control and diagnostics
- Flexible calibration and data management
- Expandable with Metrohm automation accessories
- Reliable performance for demanding laboratory environments
Related products
Total Chlorine PRO Photometer
Fast and reliable Total Chlorine PRO Photometer with ±0.06 mg/L accuracy, built-in timer, error messaging, and user-friendly cuvette chamber for consistent results.
- Accurate chlorine measurement 0.00–5.00 mg/L
- Built-in timer ensures consistent reaction time
- Portable, rugged design for field and lab use
- Error messaging prevents testing mistakes
Milwaukee Total Dissolved Solids Meter
Milwaukee Total Dissolved Solids Meter ensures accurate, fast water quality testing with automatic temperature compensation and digital LCD display. Ideal for labs.
- Measures Total Dissolved Solids (TDS) from 0–1999 mg/L (ppm)
- Ideal for aquariums, aquaculture, and water treatment
- Large, easy-to-read digital LCD screen
- Compact, lightweight, and portable design
Buffer Solution pH-4, 7, 10 Mettler Toledo
- pH values: 4.01, 7.00, 10.00.
- ±0.02 pH accuracy.
- 250ml jar, 24-36 months shelf life.
- Single bottle per pack.
The Buffer Solution pH-4, pH-7, pH-10, 250ml Per Jar, Mettler Toledo offers pH 4.01, 7.00, and 10.00 in 250ml jars for precise calibration. With ±0.02 accuracy and a 24-36 month shelf life, it’s ideal for lab use.
Electrode for PH Meter
- Measures pH 0-14 accurately.
- Robust POM shaft design.
- BNC/RCA connector for compatibility.
- Low-maintenance gel electrolyte system.
The Electrode for pH Meter ensures accurate pH measurement (0-14) in water, beer, and soil samples. With a robust POM shaft and BNC/RCA connector, it operates within 0°C-80°C for reliable testing
Reviews
There are no reviews yet.