Electrochemical Instruments
Electrochemistry
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Benchtop pH Meters
VIKING-PH600 Benchtop pH/ORP Meter – Modular
COLO.Science · Laboratory pH Meter
VIKING-PH600 is a touchscreen laboratory pH meter for pH, mV, ORP and temperature measurement with 0.001 pH resolution, GLP memory and IP54 housing.
pH −2.000–20.000 · ±0.002 pH · 6.5″ TFT · 500 GLP sets · SKU PRO6045
SKU: PRO6086 -
Benchtop pH Meters
VIKING-PH500T Benchtop pH Meter pH/Temp. (mV/ORP)
COLO.Science · Laboratory pH Meter
VIKING-PH500T is a touchscreen laboratory pH meter for pH, mV, ORP and temperature measurement with ±0.002 pH accuracy and GLP data storage.
pH −2.000–20.000 · ±0.002 pH · 7.0″ touch LCD · USB / RS-232
SKU: PRO5980 -
Benchtop pH Meters
VIKING-PH400 Benchtop pH Meter pH/Temp. (mV)
COLO.Science · Laboratory pH/mV Meter
VIKING-PH400 is a laboratory pH/mV meter for routine pH, mV, ORP and temperature measurement with 5.7″ LCD, ±0.01 pH accuracy, 1–5 point calibration and GLP memory.
pH −2.00–20.00 · ±0.01 pH · 5.7″ LCD · 1–5 point calibration · PRO6085
SKU: PRO6085 -
Benchtop pH Meters
VIKING-PH300 Benchtop pH Meter pH/Temp. (mV)
COLO.Science · Benchtop pH Meter
VIKING-PH300 is a benchtop pH meter for routine pH, mV and temperature measurement with 5.7″ LCD, ±0.01 pH accuracy, 1–5 point calibration and GLP memory.
pH −2.00–20.00 · ±0.01 pH · 5.7″ LCD · 1–5 point calibration · PRO6084
SKU: PRO6084 -
Benchtop pH Meters
VIKING-PH200 Benchtop pH Meter pH/Temp. (mV)
COLO.Science · Benchtop pH Meter
VIKING-PH200 is a routine benchtop pH meter with 6.0″ backlit LCD, ±0.01 pH accuracy, 1–3 point NIST calibration, ATC/MTC, Auto-Read / Auto-Hold, 50 data sets and IP54 protection.
−2.00 to 18.00 pH · ±0.01 pH · ATC/MTC · SKU PRO6042
SKU: PRO6042 -
Benchtop pH Meters
VIKING-PH150 Benchtop pH Meter 0.001pH
COLO.Science · Benchtop pH Meter
VIKING-PH150 is a high-precision benchtop pH meter with 0.001 pH resolution, ±0.002 pH accuracy, 1–9 point calibration, ATC/MTC, GLP 2000-set memory, USB/RS-232 and touchscreen operation.
−2.000 to 20.000 pH · 0.001 pH · ±0.002 pH · SKU PRO5358
SKU: PRO5358 -
Benchtop pH Meters
VIKING-PH125 Laboratory pH Meter 3 in 1 Electrode Touch Screen
COLO.Science · Laboratory pH Meter
VIKING-PH125 is a 5.0″ touchscreen laboratory pH/mV meter with ±0.01 pH accuracy, 1–5 point USA/NIST calibration, ATC/MTC, GLP 500-result memory and RS-232 output.
−2.00 to 20.00 pH · ±0.01 pH · 1–5 point calibration · GLP 500 results
SKU: PRO5357 -
Benchtop pH Meters
VIKING-PH100 Laboratory pH meter 3 in 1 electrode ATC
COLO.Science · Laboratory pH Meter
VIKING-PH100 is a 5.0″ LCD laboratory pH/mV meter with ±0.01 pH accuracy, 1–3 point USA/NIST calibration, ATC, GLP 500-result memory, RS232/USB and IP54 protection.
−2.00 to 19.99 pH · ±0.01 pH · ATC · GLP 500 results
SKU: PRO5326 -
Portable pH Meters
VIKING-PH510 Portable pH/Temp. (mV/ORP) Meter touch screen
COLO.Science · Portable pH / mV / ORP Meter
VIKING-PH510 is a professional portable pH / Temp. meter with mV / ORP measurement, 4.3″ touchscreen operation, ±0.002 pH accuracy, GLP-ready data logging and IP65 protection.
pH / mV / ORP · ±0.002 pH · 8-point calibration · IP65
SKU: PRO4882 -
Portable pH Meters
VIKING-PH310T Portable pH/Temp (mV) with 3 in 1 Electrode
COLO.Science · Portable pH / mV Meter
VIKING-310T is a professional portable pH / mV meter with temperature measurement, 4.3″ touchscreen operation, ±0.01 pH accuracy, GLP-compliant data logging and IP65 protection.
pH / mV · ±0.01 pH · 5-point calibration · IP65
SKU: PRO5388 -
Portable pH Meters
VIKING-PH310F Portable pH/Temp (mV) with 3 in 1 Electrode
COLO.Science · Portable pH / mV Meter
VIKING-PH310F is a professional portable pH / mV meter with temperature measurement, 3.5″ backlit LCD, ±0.01 pH accuracy, GLP functions and IP65 protection.
pH / mV · ±0.01 pH · 5-point calibration · SKU PRO3567
SKU: PRO3567 -
Portable pH Meters
VIKING-PH110 Portable pH (mV) Meter MTC
COLO.Science · Portable pH / mV Meter
VIKING-PH110 is a compact portable pH / mV meter with 3.5″ backlit LCD, ±0.03 pH accuracy, NIST calibration, MTC, rechargeable Li battery and IP65 protection.
pH / mV · ±0.03 pH · NIST calibration · IP65
SKU: PRO4221
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Benchtop Conductivity Meters
VIKING-EC600 Conductivity Meter
COLO.Science · Laboratory Conductivity Meter
VIKING-EC200 is a compact laboratory conductivity meter for EC, TDS and temperature measurement, with 6.0″ LCD, ATC / MTC, 1-point calibration and GLP-style storage.
EC 0.00 μS/cm–200 mS/cm · TDS 0.00 ppm–100 ppt · IP54 · PRO6087
SKU: PRO6087 -
Benchtop Conductivity Meters
VIKING-EC500 Laboratory Conductivity Meter
COLO.Science · Benchtop Conductivity Meter
VIKING-EC500 is a benchtop conductivity meter for EC, resistivity, TDS, salinity and temperature measurement, with 7″ touchscreen, GLP storage and USB / RS-232.
EC 0.000 µS/cm–2000 mS/cm · ±0.5% FS · GLP 1000 groups · SKU PRO3566
SKU: PRO3566 -
Benchtop Conductivity Meters
VIKING-EC400 Laboratory Conductivity Meter
COLO.Science · Benchtop Conductivity Meter
VIKING-EC400 is a benchtop conductivity meter for EC, resistivity, TDS, salinity and temperature measurement, with 7.0″ LCD, GLP storage and USB / RS-232.
EC 0.000 µS/cm–1000 mS/cm · ±0.5% FS · GLP 500 results · SKU PRO2747
SKU: PRO2747 -
Benchtop Conductivity Meters
VIKING-EC300 Laboratory Conductivity Meter (EC/TDS/Resistivity/Salinity, 7″ LCD)
Benchtop Conductivity MetersVIKING-EC300 Laboratory Conductivity Meter (EC/TDS/Resistivity/Salinity, 7″ LCD)
COLO.Science · Laboratory Conductivity Meter
VIKING-EC300 is a laboratory conductivity meter for EC, resistivity, TDS, salinity and temperature measurement, with 7.0″ LCD, GLP storage and USB / RS-232.
EC 0.000 µS/cm–1000 mS/cm · ±1.0% FS · GLP 500 results · SKU PRO-EC300
SKU: PRO6197 -
Benchtop Conductivity Meters
VIKING-EC200 Benchtop Conductivity Meter
COLO.Science · Laboratory Conductivity Meter
VIKING-EC200 is a laboratory conductivity meter for EC, TDS and temperature measurement, with 6.0″ LCD, ATC / MTC, 1-point calibration and GLP-style storage.
EC 0.00 μS/cm–200 mS/cm · TDS 0.00 ppm–100 ppt · IP54 · SKU PRO2541
SKU: PRO2541 -
Portable Conductivity Meters
VIKING-EC510T handheld conductivity meter
COLO.Science · Portable Conductivity Meter
VIKING-EC510 is a rugged portable conductivity meter for EC, TDS, salinity, resistivity and temperature measurement, with 4.3″ touchscreen, GLP storage and IP65 protection.
EC 0.000 µS/cm–3000 mS/cm · ±0.5% FS · GLP 1000 groups · IP65
SKU: PRO6088 -
Portable Conductivity Meters
VIKING-EC310T handheld conductivity meter
COLO.Science · Handheld Conductivity Meter
VIKING-EC310T is a touchscreen handheld conductivity meter for EC, TDS, salinity, resistivity and temperature measurement with GLP data storage and IP65 protection.
EC to 1000 mS/cm · TDS to 300 ppt · GLP 1000 groups · SKU PRO6089
SKU: PRO6089 -
Portable Conductivity Meters
VIKING-EC310 handheld conductivity meter
COLO.Science · Portable Conductivity Meter
VIKING-EC310 is a portable conductivity meter for EC, TDS, salinity, resistivity and temperature measurement with GLP memory, USB and IP65 protection.
EC to 500 mS/cm · TDS to 300 ppt · GLP 500 sets / parameter · IP65
SKU: PRO6065 -
Portable Conductivity Meters
VIKING-EC210 Portable EC/Temp. (TDS) 0.00 μS/cm to 200 mS/cm
COLO.Science · Portable Conductivity / TDS Meter
VIKING-EC210 is a portable conductivity / TDS meter for EC, TDS and temperature measurement, with ATC/MTC, endpoint hold, 200-set memory and IP65 protection.
EC to 200 mS/cm · TDS to 300 ppt · PRO6154 EC electrode · SKU PRO6063
SKU: PRO6063 -
Portable Conductivity Meters
EC110 Handheld Conductivity Meter
COLO.Science · Handheld Conductivity Meter
VIKING-EC110 is a compact handheld conductivity meter for routine EC checks, with MTC manual temperature compensation, continuous reading, 200-result memory and IP65 protection.
EC to 100 mS/cm · MTC only · 1-point EC calibration · SKU PRO6064
SKU: PRO6064 -
Benchtop Conductivity Meters
VIKING-EC250 Laboratory Conductivity Meter Touch Screen +Ash
COLO.Science · Laboratory Conductivity Meter
VIKING-EC250 is a 5.0″ touch-screen laboratory conductivity meter with 0.5 grade accuracy, 4-ring electrode, EC/resistivity/TDS/salinity/temperature and ash workflows.
EC to 3000 mS/cm · 0.5 grade · 4-ring electrode · SKU PRO5361
SKU: PRO5361 -
Benchtop Conductivity Meters
VIKING-EC240 Laboratory Conductivity Meter Touch Screen
COLO.Science · Laboratory Conductivity Meter
VIKING-EC240 is a 5.0″ touch-screen laboratory conductivity meter with 0.5 grade accuracy, 4-ring electrode, EC/resistivity/TDS/salinity/temperature workflows and GLP 1000-result memory.
EC to 3000 mS/cm · 0.5 grade · 4-ring electrode · SKU PRO5369
SKU: PRO5360
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Benchtop Multi-Parameter Analyzer
VIKING-M600 Benchtop Multi-Parameter Analyzer (pH / EC / ISE / DO / Temp.)
Benchtop Multi-Parameter AnalyzerVIKING-M600 Benchtop Multi-Parameter Analyzer (pH / EC / ISE / DO / Temp.)
COLO.Science · Benchtop Multi-Parameter Analyzer
VIKING-M600 is a touchscreen benchtop multi-parameter analyzer for pH, EC, ISE, dissolved oxygen and temperature measurement with modular channels, GLP data storage and guided laboratory workflows.
7.0″ touch LCD · pH ±0.002 · EC to 3000 mS/cm · DO 0.00–99.99 mg/L
SKU: PRO4198 -
Benchtop Multi-Parameter Analyzer
VIKING-M500 Benchtop Multi-Parameter Analyzer (pH / EC / ISE / DO / Temp.)
Benchtop Multi-Parameter AnalyzerVIKING-M500 Benchtop Multi-Parameter Analyzer (pH / EC / ISE / DO / Temp.)
COLO.Science · Benchtop Multi-Parameter Analyzer
VIKING-M500 is a touchscreen benchtop multi-parameter analyzer for pH, EC, ISE, DO, ORP, TDS, salinity and temperature measurement with GLP data storage.
pH ±0.002 · EC to 2000 mS/cm · DO 0.00–99.99 ppm · SKU PRO6091
SKU: PRO6091 -
Benchtop Multi-Parameter Analyzer
VIKING-M500A Benchtop Multi-Parameter Analyzer (pH / EC / ISE / Temp.)
Benchtop Multi-Parameter AnalyzerVIKING-M500A Benchtop Multi-Parameter Analyzer (pH / EC / ISE / Temp.)
COLO.Science · Benchtop Multi-Parameter Analyzer
VIKING-M500A is a touchscreen benchtop multi-parameter analyzer for pH, EC, ISE, DO, ORP, TDS, salinity and temperature measurement with GLP data storage.
pH ±0.002 · EC to 2000 mS/cm · DO 0.00–99.99 ppm · SKU TBC
SKU: PRO5908 -
Benchtop Multi-Parameter Analyzer
VIKING-MPA300 — Benchtop Multi-Parameter Analyzer
COLO.Science · Multi Parameter Analyzer
VIKING-MPA300 is a benchtop multi parameter analyzer for pH, EC, ISE, mV, pX, TDS, salinity, resistivity and temperature measurement.
pH / EC / ISE · 7.0″ LCD · GLP memory · USB/RS-232 · SKU PRO6092
SKU: PRO6092 -
Benchtop Multi-Parameter Analyzer
VIKING-M300A Laboratory Multi Parameter Analyzer pH/EC
COLO.Science · Benchtop Multiparameter Analyzer
VIKING-M300A is a benchtop multiparameter analyzer for pH, EC, ISE, mV, pX, TDS, salinity, resistivity and temperature measurement.
pH / EC / ISE · 7.0″ LCD · GLP 500 / parameter · USB/RS-232 · SKU PRO5384
SKU: PRO5384 -
Portable Multi-Parameter Analyzer
VIKING-M510T Portable pH/Conductometer Multi-parameter Water Analyzer
Portable Multi-Parameter AnalyzerVIKING-M510T Portable pH/Conductometer Multi-parameter Water Analyzer
COLO.Science · Portable Multi-parameter Water Analyzer
VIKING-M510T is a portable multi-parameter water analyzer for pH, EC, ISE, ORP, TDS, salinity, resistivity and temperature with 4.3″ touchscreen and IP65 housing.
pH −2.000–20.000 · EC 0–3000 mS/cm · ISE · IP65 · 1000 GLP groups ·
SKU: PRO5383 -
Portable Multi-Parameter Analyzer
VIKING-M510T-A Portable pH/Conductometer Multi-parameter Water Analyzer
Portable Multi-Parameter AnalyzerVIKING-M510T-A Portable pH/Conductometer Multi-parameter Water Analyzer
COLO.Science · Portable Multi-parameter Water Analyzer
VIKING-M510T-A is a portable multi-parameter water analyzer for pH, EC, ISE, DO, ORP, TDS, salinity, resistivity and temperature with 4.3″ touchscreen and IP65 housing.
pH −2.000–20.000 · EC 0–3000 mS/cm · DO 0–99.99 mg/L · ISE · IP65 · GLP 1000 groups
SKU: PRO5918
Electrochemical instruments for precise laboratory measurements
Electrochemical instruments play an important role in modern laboratories because they enable fast, reliable, and precise determination of key sample parameters. This group includes the pH meter, conductivity meter, dissolved oxygen meter, ORP meter, ion-selective systems, and other instruments for water and solution quality control.
These instruments are used in research laboratories, educational institutions, the pharmaceutical industry, food production, environmental protection, water treatment facilities, and many industrial processes where control of chemical and physicochemical sample properties is essential.
Primary Electrochemical Instruments
Main laboratory instruments for routine and advanced electrochemical measurement, from standard pH analysis to multi-parameter testing.
Conductivity Meters
Dissolved Oxygen
Multi-Parameter
pH & Ion Meters
Process and Water Testing Instruments
Dedicated instruments for water quality control, environmental testing, and verification of optical and chemical parameters in liquid samples.
COD Analyzers
BOD Analyzers
Colorimeters
Measurement Accessories and Probes
Compatible electrodes and sensors for precise measurement, application-specific setups, and replacement or extension of electrochemical systems.
Conductivity Electrodes
ISE Electrodes
pH Meter
pH meter is a basic electrochemical instrument for measuring the acidity and alkalinity of solutions. It is used in routine laboratory analysis, quality control, buffer preparation, water testing, food and beverage analysis, pharmaceutical formulations, and many other applications where pH value is an important process or product parameter.
Modern laboratory pH meters offer precise readings, automatic temperature compensation, multi-point calibration, and easy operation, making them suitable for both everyday work and more demanding analytical measurements.
Conductivity Meter
Conductivity meter measures the electrical conductivity of solutions and is an important instrument for assessing ion concentration in a sample. It is especially useful in the analysis of process water, ultrapure water, wastewater, chemical solutions, and various industrial baths.
Conductivity measurement is important in laboratories and production because it allows quick assessment of water purity, process stability, and compliance with defined technical or regulatory parameters.
Dissolved Oxygen Meter
Dissolved oxygen meter is used to determine the amount of oxygen present in a liquid, which is especially important in the analysis of natural and wastewater, aquaculture, aeration control, microbiological processes, and water quality testing. Monitoring dissolved oxygen helps assess biological activity, water treatment efficiency, and the overall condition of the tested system.
Laboratory and portable DO meters can be an important part of equipment in institutions and companies involved in water monitoring, environmental protection, food production, and research work.
Application in Laboratories
Electrochemical instruments are used in analytical, educational, research, and quality control laboratories for sample quality verification, solution preparation, and routine instrumental analysis.
Application in Industry
In industrial environments, pH meters, conductivity meters, and DO meters help with process control, raw material verification, production monitoring, and maintaining stable operating conditions.
Water and Solution Control
Control of pH value, conductivity, and dissolved oxygen is essential in water analysis laboratories, water treatment systems, and institutions that require stable and verifiable sample quality.
Why are electrochemical instruments important?
In many areas of laboratory work, the analysis result depends on the reliability of basic physicochemical measurements. That is why a quality laboratory pH meter, accurate conductivity meter, and stable dissolved oxygen meter form the foundation for consistent and comparable results.
Well-selected electrochemical instruments contribute to greater work efficiency, easier calibration, better quality control, and more reliable interpretation of laboratory results. For this reason, electrochemistry remains one of the key areas of laboratory equipment in modern science, industry, and process control.
Electrochemical instruments, electrodes, and laboratory support
Explore electrochemical instruments for pH, conductivity, dissolved oxygen, water quality control, and compatible electrodes. COLO.Science also supports product selection, order placement, and after-sales service guidance.























































