electro chemical instruments

Multiparameter Meter for Water Quality Analysis – Model: CMPM-01 The CONTECH Multiparameter Meter (Model: CMPM-01) is a high-performance laboratory instrument designed for comprehensive water quality analysis. It combines advanced electrochemical sensor technology with state-of-the-art electronics and intelligent software to accurately measure multiple water quality parameters using dedicated electrodes. The instrument is capable of measuring pH, mV, Conductivity, Resistivity, Total Dissolved Solids (TDS), Salinity, Dissolved Oxygen (DO), and Temperature in a single compact system. The CMPM-01 is widely used in environmental monitoring, water quality testing, wastewater treatment plants, drinking water analysis, aquaculture, biological agriculture, disease control laboratories, research institutes, educational institutions, pharmaceutical industries, food processing industries, and quality control laboratories. Its compact design, advanced electronics, and dedicated backlit LCD display allow multiple measurement parameters to be displayed clearly without ambiguity, making it an ideal solution for laboratories requiring complete water analysis. The instrument features automatic or manual temperature compensation, 3-point pH calibration, automatic buffer recognition, and 1-point conductivity calibration across the full measuring range. The integrated polarographic dissolved oxygen electrode provides quick response, short polarization time, and precise dissolved oxygen measurement. Automatic salinity compensation, temperature compensation, and built-in air pressure correction further enhance DO measurement accuracy. The CMPM-01 also includes a real-time clock, GLP-compliant calibration reports, electrode slope and mV offset display, memory storage for up to 100 measurements, and data logging for up to 500 results with selectable logging intervals. The bidirectional RS-232 interface allows easy communication with computers and printers for efficient laboratory documentation and reporting. For optimum dissolved oxygen measurement performance, the Magnetic Stirrer CMS-01 is recommended as an optional accessory. The instrument is compatible with CONTECH pH, conductivity, dissolved oxygen, and temperature electrodes, making it a complete solution for professional laboratory and industrial water quality analysis. Features • Measures pH, mV, Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), and Temperature. • Advanced multiparameter water quality analysis in a single instrument. • Automatic or manual temperature compensation. • 3-point pH calibration with automatic buffer recognition. • One-point conductivity calibration across the complete measuring range. • Polarographic dissolved oxygen electrode with quick response and short polarization time. • Automatic salinity, temperature, and air pressure compensation for DO measurement. • Large backlit LCD display. • Bi-directional RS-232 interface for computer and printer connectivity. • Single and continuous printout of measurement data. • Multiple print formats for laboratory documentation. • Real-time clock. • GLP-compliant calibration reports. • Electrode slope and mV offset display. • Memory storage for up to 100 measurements. • Data logging facility for up to 500 results. • Temperature calibration using a known reference solution. Specifications Measurement Parameters: • pH: 0 to 14 pH • mV: ±1999.9 mV • Conductivity: 0 to 200 mS/cm across five ranges 0.00–20.00 µS/cm 20.0–200.0 µS/cm 200–2000 µS/cm 2.00–20.00 mS/cm 20.0–200.0 mS/cm • Resistivity: 0 to 100 MΩ·cm • Total Dissolved Solids (TDS): 0 to 100 ppt (g/L) • Salinity: 0 to 100 ppt • Dissolved Oxygen (DO): 0 to 40.00 mg/L (ppm) 0 to 200% • Temperature: -10.0°C to 110.0°C Accuracy: • pH: ±0.02 pH • mV: ±1 mV • Conductivity: ±1% FS • Dissolved Oxygen: ±1% FS • Temperature: ±0.4°C Automatic Temperature Compensation (ATC): • pH: 0°C to 100°C • Conductivity: 0°C to 50°C • Resistivity: 0°C to 50°C • TDS: 0°C to 50°C • Salinity: 0°C to 50°C • Dissolved Oxygen: 0°C to 45°C Compatible Electrodes: • pH Electrode: EpHG07 • mV Electrode: EpHG05 • Conductivity Electrode: ECNG01 • Dissolved Oxygen Electrode: EDO01 • Temperature Sensor: ETS01 Power Supply: 9V / 500 mA External Adaptor (Optional Battery Backup Unit BBEC-01) Operating Temperature: 15°C to 45°C Meter Dimensions: 165 (L) × 190 (D) × 60 (H) mm Meter Weight: 700 g Optional Accessories: • Magnetic Stirrer MS-01 • Battery Backup Unit BBEC-01 • Calibration Standards Note: For optimum dissolved oxygen measurement performance, the optional CMS-01 Magnetic Stirrer is recommended.

Lab pH Meter (Precision) – Models: CpH-102 & CpH-103 The CONTECH Lab pH Meter (Models: CpH-102 & CpH-103) is a high-precision bench-top instrument designed for accurate measurement of pH, mV, and Temperature in laboratory and industrial applications. Combining advanced electronic design, intelligent software, and reliable electrochemical sensors, these meters deliver precise, stable, and repeatable measurement results for research, quality control, and routine laboratory analysis. The CpH-102 is equipped with a plastic pH combination electrode with a built-in temperature sensor, enabling simultaneous measurement of pH and temperature along with automatic temperature compensation. The CpH-103 is a high-accuracy bench-top pH meter that utilizes a glass pH electrode with a separate temperature sensor, providing superior precision and automatic temperature compensation for demanding laboratory applications. These precision pH meters are widely used in research laboratories, educational institutions, pharmaceutical industries, chemical industries, food processing plants, cosmetic manufacturing, biotechnology laboratories, agricultural research, environmental testing, and quality control laboratories. The instruments feature automatic or manual temperature compensation, 3-point pH calibration, automatic buffer recognition, and support multiple international buffer standards. A bidirectional RS-232 interface enables seamless communication with computers and printers for data transfer and reporting. Additional features include a real-time clock, GLP-compliant calibration reports, electrode slope and mV offset display, memory storage for up to 100 measurements, and data logging for up to 500 results with selectable logging intervals. A microcontroller-based design ensures reliable operation, while temperature calibration using a known reference solution further enhances measurement accuracy. Designed for precision, reliability, and ease of operation, the CONTECH Lab pH Meters provide an ideal solution for professional laboratory testing, scientific research, industrial process monitoring, and quality assurance applications. Features • Measures pH, mV, and Temperature. • Automatic or manual temperature compensation. • 3-point pH calibration with automatic buffer recognition. • Supports multiple international pH buffer standards. • Microcontroller-based design for reliable performance. • Large backlit LCD display. • Bi-directional RS-232 interface for computer and printer connectivity. • Single and continuous printout of measurement data. • Multiple print formats for laboratory documentation. • Real-time clock. • GLP-compliant calibration reports. • Electrode slope and mV offset display. • Memory storage for up to 100 measurements. • Data logging facility for up to 500 results. • Temperature calibration using a known reference solution. Specifications Model: CpH-102 • pH Range: 0 to 14 pH • Resolution: 0.01 pH • Accuracy: ±0.002 pH • Temperature Compensation: Automatic or Manual • Temperature Range: 0°C to 100°C • mV Range: ±1999 mV • mV Resolution: 1 mV • mV Accuracy: ±1 mV • Electrode: Plastic pH Combination Electrode with Built-in Temperature Sensor (EpHG07) Model: CpH-103 • pH Range: -2.0000 to 19.999 pH • Resolution: 0.001 pH • Accuracy: ±0.002 pH • Temperature Compensation: Automatic or Manual • Temperature Range: 0°C to 100°C • mV Range: ±1999.9 mV • mV Resolution: 0.1 mV • mV Accuracy: ±0.5 mV • Electrode: Glass pH Combination Electrode (EpHG07) • Temperature Sensor: Separate Temperature Sensor Electrode Common Specifications • Power Supply: 9V / 500 mA External Adaptor • Operating Temperature: 15°C to 45°C • Meter Dimensions: 165 (L) × 190 (D) × 60 (H) mm • Meter Weight: 700 g • Optional Accessories: Magnetic Stirrer MS-01, Battery Backup Unit BBEC-01, Calibration Standards

Conductivity Meter – Model: CC-01 The Conductivity Meter (Model: CC-01) is a precision laboratory instrument designed for accurate measurement of Conductivity, Resistivity, Total Dissolved Solids (TDS), Salinity, and Temperature in a wide range of liquid samples. It is widely used in water quality monitoring, aquaculture, biological agriculture, food and beverage industries, petrochemical industries, environmental monitoring, research laboratories, educational institutions, and quality control laboratories. The CONTECH Laboratory Conductivity Meter utilizes the ECNG01 Conductivity Electrode, featuring a platinum plate sensitive element coated with platinum black to minimize polarization errors, especially in high-conductivity solutions. This ensures highly accurate, stable, and repeatable measurements across a wide conductivity range. The instrument supports automatic or manual temperature compensation for improved measurement accuracy and features one-point conductivity calibration across the entire measuring range. A large backlit LCD display provides clear visibility of all measurement parameters, while the bidirectional RS-232 interface enables easy communication with computers and printers for data transfer and documentation. The CC-01 includes a real-time clock, GLP-compliant calibration reports, memory storage for up to 100 measurements, and a data logging facility capable of storing up to 500 results with selectable logging intervals. Temperature calibration can also be performed using a solution of known temperature for enhanced accuracy. Designed for reliable laboratory performance and ease of operation, the Conductivity Meter CC-01 is an ideal solution for routine laboratory analysis, industrial water testing, environmental monitoring, scientific research, and quality assurance applications. Features • Measures Conductivity, Resistivity, Total Dissolved Solids (TDS), Salinity, and Temperature. • High-precision ECNG01 conductivity electrode with platinum black coated sensing element. • Automatic or manual temperature compensation. • One-point conductivity calibration across the complete measuring range. • Large backlit LCD display. • Bi-directional RS-232 interface for computer and printer connectivity. • Single and continuous printout of measurement data. • Multiple print formats for different measuring parameters. • Real-time clock. • GLP-compliant calibration reports. • Memory storage for up to 100 measurements. • Data logging facility for up to 500 results. • Temperature calibration using a known reference solution. Specifications • Measurement Range: Conductivity: 0 to 200 mS/cm across five ranges: 0.00–20.00 µS/cm 20.0–200.0 µS/cm 200–2000 µS/cm 2.00–20.00 mS/cm 20.0–200.0 mS/cm Resistivity: 0 to 100 MΩ·cm TDS: 0 to 100 ppt (g/L) Salinity: 0 to 100 ppt Temperature: -10.0°C to 110.0°C • Accuracy: Conductivity: ±1% Full Scale Temperature: ±0.4°C • Automatic Temperature Compensation (ATC): 0°C to 50°C • Display: Backlit LCD • Conductivity Electrode: ECNG01 • Temperature Sensor: ETS01 • Power Supply: 9V / 500 mA External Adaptor (Optional Battery Backup Unit BBEC-01) • Operating Temperature: 15°C to 45°C • Meter Dimensions: 165 (L) × 190 (D) × 60 (H) mm • Meter Weight: 700 g • Optional Accessories: Magnetic Stirrer MS-01, Battery Backup Unit BBEC-01, Calibration Standards

Dissolved Oxygen Meter – Model: CDO-01 The Dissolved Oxygen Meter (Model: CDO-01) is a precision laboratory instrument designed for accurate measurement of Dissolved Oxygen (DO), Oxygen Saturation (%), and Temperature in water samples. The instrument utilizes the membrane electrode method with a polarographic dissolved oxygen electrode to provide fast, reliable, and highly accurate measurements. It is widely used in aquaculture, water treatment plants, environmental monitoring, beverage production, sewage treatment, biological agriculture, research laboratories, educational institutions, and quality control laboratories. The CONTECH Dissolved Oxygen Meter features a polarographic DO electrode that offers a short polarization time, quick response, and precise measurement performance. The instrument automatically compensates for temperature, salinity, and atmospheric pressure using the built-in air pressure sensor, ensuring highly accurate results under varying environmental conditions. The CDO-01 is equipped with a large backlit LCD display, real-time clock, memory storage for up to 100 test results, and data logging for up to 500 measurements with selectable logging intervals. The bidirectional RS-232 interface enables easy communication with computers and printers, allowing continuous or single printouts of measurement data. It also generates GLP-compliant calibration reports, making it suitable for laboratory documentation and quality assurance applications. The instrument features easy-to-use electrode calibration, a replaceable diaphragm cap, automatic salinity compensation, automatic air pressure correction, and automatic temperature compensation for dependable performance. Designed for long-term reliability and ease of operation, the CDO-01 is an ideal solution for routine laboratory testing, environmental analysis, industrial process monitoring, and scientific research. Features • Measures Dissolved Oxygen (DO), Oxygen Saturation (%), and Temperature. • Membrane electrode method for accurate dissolved oxygen measurement. • Polarographic DO electrode with short polarization time and fast response. • Automatic temperature compensation. • Automatic salinity compensation. • Automatic air pressure correction using a built-in pressure sensor. • Easy electrode calibration with replaceable diaphragm cap. • Large backlit LCD display. • Bi-directional RS-232 interface for computer and printer connectivity. • Single and continuous printout of measurement results. • Multiple print formats for laboratory documentation. • Real-time clock. • GLP-compliant calibration reports. • Memory storage for up to 100 measurements. • Data logging facility for up to 500 results with selectable logging intervals. Specifications • Measurement Range: Dissolved Oxygen (DO): 0 to 40.00 mg/L (ppm) Oxygen Saturation: 0 to 200.0% Temperature: 0°C to 45°C • Accuracy: DO: ±1% FS Temperature: ±0.4°C • Temperature Compensation: Automatic (0°C to 45°C) • Salinity Compensation: Automatic (0 to 45 ppt) • Air Pressure Compensation: Automatic (80 to 105 kPa) • Display: Backlit LCD • Electrode: DO Electrode – EDO01 • Power Supply: 9V / 500 mA External Adaptor (Optional Battery Backup Unit BBEC-01) • Operating Temperature: 15°C to 45°C • Meter Dimensions: 165 (L) × 190 (D) × 60 (H) mm • Meter Weight: 700 g • Optional Accessories: Magnetic Stirrer MS-01, Battery Backup Unit BBEC-01, Calibration Standards

ORP Meter – Model: COR-01 The ORP Meter (Model: COR-01) is a precision laboratory instrument designed for accurate measurement of Oxidation Reduction Potential (ORP/Rel. mV) and Temperature in liquid samples. When used with the EORP-01 ORP Combination Electrode, the instrument is ideal for monitoring oxidation-reduction potential in common solutions, wastewater, water treatment plants, environmental laboratories, chemical industries, pharmaceutical laboratories, research institutes, educational institutions, and quality control laboratories. The CONTECH ORP Meter provides reliable and repeatable ORP measurements with automatic or manual temperature compensation for improved accuracy. The instrument features automatic buffer recognition, a large backlit LCD display, real-time clock, GLP-compliant calibration reports, memory storage for up to 100 measurements, and data logging for up to 500 results with selectable logging intervals. The bidirectional RS-232 communication interface enables easy connection to printers and computers for data recording and analysis. Multiple print formats allow users to print measurement data along with serial number, ORP value, date, time, and temperature. The instrument also supports temperature calibration using a solution of known temperature for enhanced measurement accuracy. The ORP Meter uses the ORP Combination Electrode (EORP-01) together with the ETS-01 Temperature Sensor for precise measurement. For pH measurement applications, an optional pH electrode can be connected after calibrating the instrument with standard pH buffer solutions. Designed for ease of operation, precision, and long-term reliability, the CONTECH ORP Meter is an ideal solution for laboratories, industrial process monitoring, environmental analysis, wastewater testing, and research applications. Features • Measures Oxidation Reduction Potential (ORP/Rel. mV) and Temperature. • Automatic or manual temperature compensation. • Automatic buffer recognition. • Large backlit LCD display. • Bi-directional RS-232 interface for computer and printer connectivity. • Single and continuous printout of ORP measurements. • Multiple print formats including ORP, date, time, serial number, and temperature. • Real-time clock. • GLP-compliant calibration reports. • Electrode slope display. • Memory storage for up to 100 measurements. • Data logging facility for up to 500 readings. • Temperature calibration using a known temperature reference. Specifications • ORP Range: ±2000 mV • Temperature Range: 0°C to 100°C • ORP Resolution: 1 mV • ORP Accuracy: ±1 mV • Temperature Compensation: Automatic or Manual • Input Resistance: Greater than 1 × 10¹² Ω • Display: Backlit LCD • ORP Electrode: ORP Combination Electrode (EORP-01) • Temperature Sensor: ETS-01 • Power Supply: 9V / 500 mA External Adaptor (Optional Battery Backup Unit BBEC-01) • Operating Temperature: 15°C to 45°C • Meter Dimensions: 165 (L) × 190 (D) × 60 (H) mm • Meter Weight: 700 g • Optional Accessories: Magnetic Stirrer MS-01, Battery Backup Unit BBEC-01, Calibration Standards Note: For pH measurements, an optional pH electrode should be used. The instrument must be recalibrated using standard pH buffer solutions before performing pH measurements.

Multiparameter Electrochemical Meters CONTECH offers a comprehensive range of Multiparameter Electrochemical Meters designed for accurate, reliable, and high-precision measurement of various electrochemical parameters in laboratories and industrial applications. The product range includes the pH / Conductivity Meter (CpHC), pH / Dissolved Oxygen Meter (CpHDO), and Conductivity / Dissolved Oxygen Meter (CCDO). These instruments are widely used in pharmaceutical industries, chemical laboratories, water treatment plants, food and beverage industries, environmental monitoring, biotechnology laboratories, educational institutions, research organizations, and quality control laboratories. The CpHC measures pH, mV, Conductivity, Resistivity, TDS, Salinity, and Temperature, making it a complete solution for routine laboratory water quality analysis. The CpHDO combines pH, mV, Dissolved Oxygen (DO), and Temperature measurements with automatic salinity and air pressure compensation for accurate dissolved oxygen analysis. The CCDO integrates Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen, and Temperature measurements in a single instrument for comprehensive water quality testing. All models feature automatic or manual temperature compensation, large backlit LCD displays, automatic calibration functions, real-time clock, GLP-compliant calibration reports, memory storage for up to 100 measurements, and data logging for up to 500 results. The bidirectional RS-232 interface allows easy communication with computers and printers, while multiple print formats simplify laboratory documentation and reporting. The pH meters support three-point calibration with automatic buffer recognition using multiple standard buffer solutions. The conductivity function offers one-point calibration across the entire measurement range, while the dissolved oxygen models feature a polarographic DO electrode with automatic salinity compensation, automatic air pressure correction, fast response, and precise measurement performance. These multiparameter instruments are compatible with CONTECH pH combination electrodes, conductivity electrodes, dissolved oxygen electrodes, and temperature sensors. Standard accessories include the Magnetic Stirrer MS-01, while optional accessories such as the Battery Backup Unit BBEC-01 and calibration standards further enhance instrument performance and laboratory efficiency. Designed for high accuracy, user-friendly operation, and long-term reliability, CONTECH Multiparameter Electrochemical Meters provide an ideal solution for laboratory testing, research, industrial process monitoring, environmental analysis, and quality assurance applications.

Electrochemical Electrodes CONTECH offers a comprehensive range of Electrochemical Electrodes designed for accurate and reliable measurement of pH, ORP (Oxidation Reduction Potential), Conductivity, Dissolved Oxygen (DO), Temperature, and various Ion Concentrations. These precision sensors are widely used in pharmaceutical industries, chemical laboratories, research institutes, educational institutions, food and beverage industries, water treatment plants, environmental monitoring, biotechnology laboratories, and quality control applications. Selecting the correct electrode is essential for achieving accurate and repeatable measurement results. Factors such as measurement accuracy, electrode body material, reference construction, junction type, and application environment should be considered while choosing an electrode. For optimum performance, electrodes should be calibrated regularly using standard calibration solutions and maintained according to the recommended operating procedures. The CONTECH range includes Plastic and Glass pH Combination Electrodes, pH Electrodes with Built-in Temperature Sensor, Conductivity Electrodes, Dissolved Oxygen (DO) Electrodes, ORP Electrodes, and Temperature Sensors. Each electrode is manufactured using high-quality materials to provide stable performance, long service life, and excellent measurement accuracy for laboratory and industrial applications. The Plastic pH Combination Electrode (EpHP01) is suitable for general laboratory applications and provides reliable pH measurement with a ceramic junction and durable plastic body. The EpHP02 features a built-in temperature sensor for simultaneous pH and temperature measurement with automatic temperature compensation. For applications requiring higher accuracy and measurements in low ionic strength or high-viscosity solutions, the Glass pH Combination Electrode (EpHG04) offers superior performance. The Conductivity Electrode (ECNG-01) is designed for high-precision conductivity measurement with excellent repeatability, while the Temperature Sensor (ETS-01) utilizes a platinum resistance (Pt-100) element for accurate temperature measurement. The Dissolved Oxygen Electrode (EDO-01) features a polarographic sensor with built-in temperature compensation for reliable dissolved oxygen analysis. The ORP Combination Electrode (EORP-01) provides accurate oxidation-reduction potential measurements for common solutions and wastewater applications. Designed for long-term reliability and precision, CONTECH Electrochemical Electrodes deliver consistent performance for laboratory testing, industrial process control, research, environmental monitoring, and quality assurance applications.

Electro Chemical Instruments & Accessories CONTECH offers a complete range of Electro Chemical Instruments Accessories designed to enhance the performance, accuracy, and convenience of laboratory testing and analytical applications. These accessories are widely used with pH meters, conductivity meters, TDS meters, dissolved oxygen meters, and other electrochemical instruments in pharmaceutical industries, chemical laboratories, educational institutions, food and beverage industries, water treatment plants, research organizations, and quality control laboratories. The product range includes Magnetic Stirrers, Electrode Holders, Stirr Beads, Mini Printers, Power Supplies, Battery Backup Units, and Calibration Solutions. Each accessory is manufactured using high-quality components to ensure reliable performance, long service life, and accurate laboratory measurements. The Magnetic Stirrer MS-01 provides smooth and uniform stirring of liquid samples with adjustable speed control, making it ideal for sample preparation and electrochemical measurements. The Electrode Holder EH-01 securely supports laboratory electrodes during testing, ensuring stable positioning and improved measurement accuracy. The Stirr Bead SB-01 is designed to provide efficient mixing of liquid samples during laboratory analysis. For data recording and documentation, Mini Printer CMP-01 (Thermal Printer) and Mini Printer CMP-02 (Dot Matrix Printer) provide reliable printing of measurement results through RS-232 communication. The SMPS-04 Power Supply delivers a stable DC output for compatible laboratory instruments, while the BBEC-01 Battery Backup Unit ensures uninterrupted operation during power failures. The range also includes Calibration Solutions for pH and conductivity measurements, allowing users to calibrate their instruments accurately and maintain reliable testing results. These standard solutions help ensure measurement accuracy and compliance with laboratory quality standards. Designed for routine laboratory use, research applications, industrial testing, and quality control, CONTECH Electro Chemical Instrument Accessories provide dependable performance, easy operation, and long-term reliability.