Electrochemistry Meters

Electrochemistry Meters
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Fisherbrand™ Traceable™ Portable Dissolved Oxygen Meter
Traceable™ Portable Dissolved Oxygen Meter is traceable to NIST™ standards.

METTLER TOLEDO™ Portable pH/Conductivity/Dissolved Oxygen/Ion Meters
Water and dust proof, IP67 rated meter for portable or field measurements. Portable meters compatible with pH, conductivity, dissolved oxygen, and ion selective electrodes.
IP Rating | IP67 |
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Certifications/Compliance | ISO 9001:2000 |
Thermo Scientific™ Orion Star™ A323 Dissolved Oxygen Portable Meter
Accurately monitor dissolved oxygen (optical/polarographic) and temperature with this RDO/DO portable meter for challenging field testing.
Temperature (Metric) Range | 0.0°C to 50.0°C |
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Resolution (Polarographic DO) | 0.01, 0.1mg/L |
Pressure Range | 400 to 850mmHg |
Memory | Non-volatile memory preserves data log, calibration log and meter settings |
Languages | English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update |
Measurement Modes | Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature and Barometric Pressure) |
Power Supply | 4 AA batteries (included) or universal AC adapter (sold separately) |
Barometric Pressure Correction | 400 to 850mmHg, automatic using built-in barometer or manual entry |
Battery Life | 800 hours |
Data Management Details | Transfer single, range or all data points to printer or computer |
Display Type | Graphic LCD with Backlight |
Data Points | 5000 with Date and Time Stamp |
Calibration Modes | Water-saturated air, air-saturated water, manual (Winkler titration), zero point |
Certifications/Compliance | CE, TUV 3-1, FCC Class A |
Temperature Probe Calibration | 1 point temperature offset calibration |
Salinity Factor | 0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity |
Stability | Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting |
Warranty | 3 Year Meter Warranty |
Sensor Types | RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor |
Percent Saturation Range Polarographic DO | 0.0 to 600.0 % saturation |
Log Function Type | Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m |
Battery Type | Four AA (included) |
Relative Humidity Range | 5 to 85 %, non-condensing |
Range (RDO) | 0.00 to 50.00 mg/L |
Dimensions (L x W x H) | 24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.) |
Percent Saturation Range (RDO) | 0.0 to 500.0 % saturation |
Temperature Selection | Automatic with ATC temperature probe |
Keypad | Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys |
Outputs | USB, RS232 |
Backlight Option | Yes (Selectable) |
Percent Saturation Relative Accuracy (RDO) | ±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation |
Range (Polarographic DO) | 0.00 to 90.00 mg/L |
Accuracy (Barometer) | ±6mmHg |
Methods | 10 per channel with password protection |
Pressure Resolution | 1mmHg |
Channels | 1 |
Resolution (RDO) | 0.01, 0.1mg/L |
Percent Saturation Resolution (RDO) | 0.1, 1 % saturation |
Percent Saturation Relative Accuracy (Polarographic DO) | ±2 % saturation or ±2% of reading whichever is greater |
Inputs | 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature) |
Accuracy (Temperature) | ±0.1°C |
Weight (Metric) | 0.5 kg |
Temperature (English) Operating | 41°F to 113°F (ambient) |
Accuracy (Polarographic DO) | ±0.2mg/L or ±2% of reading, whichever is greater |
AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
Alarm Output | High/low limit alarm, calibration due alarm |
IP Rating | IP-67 |
Percent Saturation Resolution (Polarographic DO) | 0.1, 1 % saturation |
Model | Orion Star A323 RDO Optical/Dissolved Oxygen/Temperature Portable Meter |
Weight (English) | 1.2 lb. |
Resolution (Temperature) | 0.1°C (0.1°F) |
Temperature (Metric) Operating | 5°C to 45°C (ambient) |
Percent Saturation Range (Polarographic DO) | 0.0 to 600.0 % saturation |
Accuracy (RDO) | ±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L |
METTLER TOLEDO™ S900 SevenExcellence™ Dissolved Oxygen/BOD Benchtop Meter
The S900 is a dissolved oxygen(DO)/biological oxygen demand (BOD) meter. It can be expanded with additional modules to measure pH, conductivity, ISE, salinity, TDS, and Redox/ORP. It has an intuitive touchscreen, measurement shortcuts, and can export data to a printer, Excel file, or LIMS system.
Accuracy | ±1 |
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Display Type | Color TFT |
Accuracy (Concentration) | ±0.1mg/L from 0 to 8; ±0.2mg/L from 8 to 20; ±10% from 20 to 50 |
Percent Saturation Range Polarographic DO | 0 to 500% |
Measurement Modes | Dissolved Oxygen |
Temperature Range (Metric) | 0°C to 50°C |
Range (DO) | 0.000 to 50mg/L (ppm) |
Channels | 3 |
Resolution | 0.001 (display) |
Thermo Scientific™ Orion Lab Star DO Dissolved Oxygen Bench Meters
Orion Lab Star DO113 dissolved oxygen bench meters measure DO as % saturation or concentration with temperature, feature large backlit display for easy viewability, and offer small footprint to save bench space. This DO meter is ideal for simplified, budget-friendly lab testing and data recording.
Temperature (Metric) Range | -5.0°C to +105.0°C |
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Resolution (Polarographic DO) | 0.1, 1 % saturation; 0.01, 0.1 mg/L or ppm |
Pressure Range | 400.0 to 850.0 mmHg; 0.533 to 1.133 bar |
Memory | Non-volatile |
Measurement Modes | Dissolved Oxygen (% Saturation with Temperature),Dissolved Oxygen (mg/L with Temperature),Dissolved Oxygen (ppm with Temperature) |
Data Management Details | Continuous, Auto-Read and Timed read modes |
Display Type | 5 in. backlit LCD |
Data Points | 500 Sets with Date and Time Stamp |
Calibration Modes | 100 % saturation, 0 % saturation, custom concentration value |
Certifications/Compliance | CE, TUV 3-1, FCC Class A |
Temperature Probe Calibration | 1 point temperature offset calibration |
Accuracy (Temperature) | ±0.3°C, ±0.5°F |
Weight (Metric) | 700 grams |
Warranty | 3 year meter warranty |
AC Adapter | Universal 100-240 V 50/60 Hz power supply with twist-and-lock meter connection and interchangeable wall plugs for US/Japan, Euro, UK/Singapore, Australia/New Zealand and China outlets |
Sensor Types | Polarographic |
Percent Saturation Range Polarographic DO | 0.0 to 300.0 % saturation |
Log Function Type | Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode |
Relative Humidity Range | 5 to 85%, non-condensing |
Alarm Output | Calibration reminder alarm |
Dimensions (L x W x H) | 187.2 x 155.2 x 61.7 mm, 7.37 x 6.11 x 2.43 in. |
IP Rating | IP54 |
Temperature Selection | Manual or automatic with ATC temperature probe |
Outputs | Computer or printer (STARA-106) |
Backlight Option | Yes |
Weight (English) | 1.54 lb. |
Resolution (Temperature) | 0.1°C, 0.1°F |
Range (Polarographic DO) | 0.0 to 300.0 % saturation; 0.00 to 30.0 mg/L or ppm |
Ohaus™ Starter ST20D Dissolved Oxygen Pen Meter
Compact design for fast, convenient electrochemistry readings. Measure dissolved oxygen to 0.1 mg/L ranging from 0.0 to 19.9 mg/L. IP67, automatic temperature compensation, 1 point calibration and auto-off after 10 minutes of non-use.
Fisherbrand™ accumet™ XL600 Benchtop Dual pH/ISE, Conductivity and Dissolved Oxygen Meters
Provide advanced measurements with simple operation and offer a large, vivid color touch-screen display. Fisherbrand accumet XL600 pH/ISE/conductivity/DO benchtop meters offer advanced features with simple operation to help ensure your measurements are reliable and your laboratory processes are efficient.
Range (Resistivity) | 3 W to 100 MW over 4 ranges: 0 to 20 kW, 20 to 200 kW, 200 kW to 2 MW, 2 to 100 MW |
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Resolution (pH) | 0.1/0.01/0.001 |
Width (Metric) | 17.3 cm |
Resolution (ISE) | 2/3/4 Digits |
Data Management Details | 3 to 86400 sec. |
Display Type | LCD |
Resolution (mV) | 0.1mV |
Data Points | 2000 |
Certifications/Compliance | NIST, ISO, FDA, USDA, EPA |
Height (English) | 3.89 in. |
Accuracy (mV) | ±0.2 mV |
Accuracy (ISE) | 0.5% full scale (monovalent ion), 1% full scale (divalent ion) |
Warranty | 3 Years |
Temperature Accuracy | ±0.2°C (±0.3°F) |
Calibration Points (ISE) | 2 to 6 |
Resolution (Conductivity) | 0.001/0.01/0.1mS |
Range (Conductivity) | 0 to 500 mS |
Dimensions (L x W x H) | 24.6 x 17.3 x 9.9cm (9.7 x 6.8 x 3.9 in.) |
Accuracy (TDS) | ± 1% full scale |
Outputs | RS232, USB-A, Mini-B USB, RJ45, stirrer port (2) |
Calibration Points (pH) | Up to 6 preset or 5 custom |
Range (mV) | ±2000 mV |
Resolution | Multiple |
Length (Metric) | 24.6 cm |
Detection Range | Multiple |
Length (English) | 9.68 in. |
Cell Constant | 0.01 to 10 |
Range (pH) | -2 to 20 |
Accuracy (pH) | ±0.002 |
Range (ISE) | ±2000 mV |
Range (Salinity) | 0 to 80 ppt |
Accuracy | Multiple |
Accuracy (Salinity) | ± 1% full scale |
Resolution (Salinity) | 0.01/0.1ppm, 0.001/0.01/0.1ppt |
Voltage | 100/240 V |
Accuracy (Conductivity) | ±1% FS |
Resolution (DO) | 0.01mg/L (0.1mbar), 0.1% saturation |
Inputs | 2 BNC, 2 ATC |
Weight (Metric) | 1.13 kg |
Calibration Points (Conductivity) | Automatic (4 points), maximum 1/range, manual (5 points), maximum 1/range |
Height (Metric) | 9.9 cm |
Accuracy (DO) | 0.1 +1 LSD |
Resolution (Resistivity) | 0.01/0.1W, 0.001/0.1kW, 0.01MW |
Accuracy (Resistivity) | ± 1% full scale |
Range (TDS) | 0.050 ppm to 500 ppt (at TDS factor 1.00) |
Resolution (TDS) | 0.01/0.1ppm, 0.001/0.01/0.1ppt |
Frequency | 50/60Hz |
Weight (English) | 2.5 lb. |
Range (DO) | 0 to 20mg/L (0 to 1272mbar), 0 to 200% saturation with 13-620-SSP electrode |
Temperature Resolution | 0.1°C |
Thermo Scientific™ Orion Star™ A223 Dissolved Oxygen Portable Meter
Reliably measure dissolved oxygen (optical/polarographic) and temperature with this RDO/DO portable meter for advanced field analysis.
Temperature (Metric) Range | 0.0°C to 50.0°C |
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Resolution (Polarographic DO) | 0.01, 0.1mg/L |
Pressure Range | 400 to 850mmHg |
Memory | Non-volatile memory preserves data log, calibration log and meter settings |
Languages | English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update |
Measurement Modes | Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature and Barometric Pressure) |
Power Supply | 4 AA batteries (included) or universal AC adapter (sold separately) |
Barometric Pressure Correction | 400 to 850mmHg, automatic using built-in barometer or manual entry |
Battery Life | 800 hours |
Data Management Details | Transfer single, range or all data points to printer or computer |
Display Type | Graphic LCD with Backlight |
Data Points | 1000 with Date and Time Stamp |
Calibration Modes | Water-saturated air, air-saturated water, manual (Winkler titration), zero point |
Certifications/Compliance | CE, TUV 3-1, FCC Class A |
Temperature Probe Calibration | 1 point temperature offset calibration |
Salinity Factor | 0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity |
Stability | Smart Stability and Smart Averaging |
Warranty | 3 Year Meter Warranty |
Sensor Types | RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor |
Percent Saturation Range Polarographic DO | 0.0 to 600.0 % saturation |
Log Function Type | Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode |
Battery Type | Four AA (included) |
Relative Humidity Range | 5 to 85 %, non-condensing |
Range (RDO) | 0.00 to 50.00 mg/L |
Dimensions (L x W x H) | 24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.) |
Percent Saturation Range (RDO) | 0.0 to 500.0 % saturation |
Temperature Selection | Automatic with ATC temperature probe |
Keypad | Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys |
Outputs | USB, RS232 |
Backlight Option | Yes (Selectable) |
Percent Saturation Relative Accuracy (RDO) | ±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation |
Range (Polarographic DO) | 0.00 to 90.00 mg/L |
Accuracy (Barometer) | ±6mmHg |
Methods | 10 per channel with password protection |
Pressure Resolution | 1mmHg |
Channels | 1 |
Resolution (RDO) | 0.01, 0.1mg/L |
Percent Saturation Resolution (RDO) | 0.1, 1 % saturation |
Percent Saturation Relative Accuracy (Polarographic DO) | ±2 % saturation or ±2% of reading whichever is greater |
Inputs | 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature) |
Accuracy (Temperature) | ±0.1°C |
Weight (Metric) | 0.5 kg |
Temperature (English) Operating | 41°F to 113°F (ambient) |
Accuracy (Polarographic DO) | ±0.2mg/L or ±2% of reading, whichever is greater |
AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
Alarm Output | Calibration due alarm (fixed 12 hour) |
IP Rating | IP-67 |
Percent Saturation Resolution (Polarographic DO) | 0.1, 1 % saturation |
Model | Orion Star A223 RDO Optical/Dissolved Oxygen/Temperature Portable Meter |
Weight (English) | 1.2 lb. |
Resolution (Temperature) | 0.1°C (0.1°F) |
Temperature (Metric) Operating | 5°C to 45°C (ambient) |
Percent Saturation Range (Polarographic DO) | 0.0 to 600.0 % saturation |
Accuracy (RDO) | ±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L |
Thermo Scientific™ Orion Star™ A123 Dissolved Oxygen Portable Meter
Take simple dissolved oxygen and temperature measurements with this portable meter with easy operation for basic field testing.
Temperature (Metric) Range | 0.0°C to 50.0°C |
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Resolution (Polarographic DO) | 0.01, 0.1mg/L |
Pressure Range | 450 to 850mmHg (manual entry) |
Memory | Non-volatile memory preserves log and settings |
Languages | English |
Measurement Modes | Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature) |
Channels | 1 |
Power Supply | 4 AA batteries (included) or universal AC adapter (sold separately) |
Barometric Pressure Correction | 450 to 850mmHg, automatic with manual entry |
Battery Life | 2000 hours |
Data Management Details | Internal data point memory |
Display Type | LCD |
Data Points | 50 |
Calibration Modes | Water-saturated air, manual (Winkler titration) |
Percent Saturation Relative Accuracy (Polarographic DO) | ±2 % saturation or ±2% of reading whichever is greater |
Certifications/Compliance | CE, TUV 3-1, FCC Class A |
Temperature Probe Calibration | 1 point temperature offset calibration |
Inputs | 9 pin MiniDIN (polarographic DO sensor with built-in temperature) |
Accuracy (Temperature) | ±0.1°C |
Weight (Metric) | 0.5 kg |
Salinity Factor | 0 to 45 ppt, automatic correction using manual entry of sample salinity |
Stability | Smart Stability and Smart Averaging |
Warranty | 3 Year Meter Warranty |
Temperature (English) Operating | 41°F to 113°F (ambient) |
Accuracy (Polarographic DO) | ±0.2mg/L or ±2% of reading, whichever is greater |
AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
Sensor Types | Polarographic Dissolved Oxygen Sensor |
Percent Saturation Range Polarographic DO | 0.0 to 200.0 % saturation |
Log Function Type | Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode |
Battery Type | Four AA (included) |
Relative Humidity Range | 5 to 85 %, non-condensing |
Dimensions (L x W x H) | 24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.) |
IP Rating | IP-67 |
Temperature Selection | Automatic with ATC temperature probe |
Percent Saturation Resolution (Polarographic DO) | 0.1, 1 % saturation |
Keypad | Simple with highlighted measure key, scroll and shortcut keys |
Outputs | None |
Weight (English) | 2 lb. |
Resolution (Temperature) | 0.1°C (0.1°F) |
Temperature (Metric) Operating | 5°C to 45°C (ambient) |
Range (Polarographic DO) | 0.00 to 20.00 mg/L |
Percent Saturation Range (Polarographic DO) | 0.0 to 200.0 % saturation |
Thermo Scientific™ Orion™ Pro Star DO213 Dissolved Oxygen Bench Meter
Designed to provide accurate and reliable dissolved oxygen, barometric pressure and temperature analysis, the Thermo Scientific™ Orion™ Pro Star DO213 bench meter is well suited for laboratories that desire a modern meter with advance performance.
Temperature (Metric) Range | -30.0°C to +130.0°C |
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Resolution (Polarographic DO) | 0.1, 1% saturation; 0.01, 0.1 mg/L or ppm |
Pressure Range | 400.0 to 850.0 mmHg; 0.533 to 1.133 bar |
Memory | Non-volatile |
Languages | Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Spanish |
Measurement Modes | Dissolved Oxygen (mg/L with Temperature and Barometric Pressure),Dissolved Oxygen (ppm with Temperature and Barometric Pressure),Dissolved Oxygen (% Saturation with Temperature and Barometric Pressure) |
Channels | 1 |
Barometric Pressure Correction | Yes, automatic with built-in barometer or manual |
Resolution (RDO) | 0.1, 1% saturation; 0.01, 0.1 mg/L or ppm |
Display Type | 7-in. High-resolution Color Graphic LCD |
Percent Saturation Resolution (RDO) | 0.1, 1% saturation |
Resolution (DO) | 0.1, 1% saturation; 0.01, 0.1 mg/L or ppm |
Data Points | 10,000 with Date and Time Stamp |
Calibration Modes | Water-saturated air (100% and 0% saturation), air-saturated water (100% and 0% saturation) or custom concentration value (Winkler) |
Percent Saturation Relative Accuracy (Polarographic DO) | ±2% saturation |
Certifications/Compliance | CE, TUV 3-1, FCC Class A |
Temperature Probe Calibration | 1 or 2 point temperature offset calibration |
Probe Type | Polarographic or optical DO electrode |
Inputs | 9-pin MiniDIN for dissolved oxygen with ATC |
Accuracy (Temperature) | ±0.3°C, ±0.5°F |
Weight (Metric) | 1.00 kg |
Salinity Factor | 0.0 to 50.0 ppt |
Accuracy (DO) | ±2% saturation; ±0.02 mg/L or ppm |
Warranty | 2 year meter warranty |
Accuracy (Polarographic DO) | ±2% saturation; ±0.02 mg/L or ppm |
AC Adapter | Universal 100-240 V 50/60 Hz power supply with wall plugs for US/Japan, Euro, UK/Singapore, Australia/New Zealand and China outlets |
Percent Saturation Range Polarographic DO | 0.0 to 600.0% saturation |
Log Function Type | Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode |
Relative Humidity Range | 5 to 85%, non-condensing |
Range (RDO) | 0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm |
Alarm Output | Calibration reminder alarm, high and low limit alarm per parameter |
Dimensions (L x W x H) | 218.9 x 153.2 x 91.33 mm; 8.62 x 6.03 x 3.60 in. |
Percent Saturation Range (RDO) | 0.0 to 600.0% saturation |
IP Rating | IP54 |
Temperature Selection | Automatic with ATC temperature sensor, ambient or manual |
Percent Saturation Resolution (Polarographic DO) | 0.1, 1% saturation |
Keypad | Capacitive touchscreen user interface |
Model | DO213 |
Outputs | USB flash drive, computer or printer (STARA-106) |
Backlight Option | Yes |
Weight (English) | 2.20 lbs. |
Percent Saturation Relative Accuracy (RDO) | ±2% saturation |
Resolution (Temperature) | 0.1°C, 0.1°F |
Range (Polarographic DO) | 0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm |
Accuracy (Barometer) | ±6.0 mmHg; ±0.008 bar |
Range (DO) | 0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm |
Methods | 10 |
Accuracy (RDO) | ±2% saturation; ±0.02 mg/L or ppm |
Thermo Scientific™ Orion Star™ A326 pH/Dissolved Oxygen Portable Multiparameter Meter
Accurately measure pH, dissolved oxygen and temperature with our pH/DO/RDO portable meter for high performance in challenging field tests.
Resolution (Polarographic DO) | 0.01, 0.1mg/L |
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Pressure Range | 400 to 850mmHg |
Memory | Non-volatile memory preserves data log, calibration log and meter settings |
Resolution (pH) | 0.1/0.01/0.001 |
Languages | English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update |
Measurement Modes | pH,mV,Relative mV,ORP with Temperature,Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature) |
Power Supply | 4 AA batteries (included) or universal AC adapter (sold separately) |
Barometric Pressure Correction | 400 to 850mmHg, automatic using built-in barometer or manual entry |
Data Management Details | Transfer single, range or all data points to printer or computer |
Battery Life | 800 hr. |
Display Type | LCD Graphic, Backlit |
Resolution (mV) | 0.1mV |
Data Points | 5000 with Date and Time Stamp |
Calibration Modes | Water-saturated air, air-saturated water, manual (Winkler titration), zero point |
Temperature Probe Calibration | 1 point temperature offset calibration |
Certifications/Compliance | CE, TUV 3-1, FCC Class A |
Salinity Factor | 0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity |
Accuracy (mV) | ±0.2 mV or ±0.05% of reading whichever is greater |
Warranty | 3 Year Meter |
Temperature Accuracy | ±0.1°C |
Stability | Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting |
Log Function Type | Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m |
Percent Saturation Range Polarographic DO | 0.0 to 600.0 % saturation |
Battery Type | 4 AA (included) |
Relative Humidity Range | 5 to 85 %, non-condensing |
Range (RDO) | 0.00 to 50.00mg/L |
Dimensions (L x W x H) | 24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.) |
Temperature Selection | Manual or automatic with ATC temperature probe |
Percent Saturation Range (RDO) | 0.0 to 500.0 % saturation |
Keypad | Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys |
Outputs | USB, RS232 |
Temperature Range (English) | 22.0°F to 221.0° F |
Range (Relative mV) | ±2000.0 mV |
Calibration Points (pH) | 1 to 5 |
Backlight Option | Yes (Selectable) |
Percent Saturation Relative Accuracy (RDO) | ±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation |
Range (Polarographic DO) | 0.00 to 90.00mg/L |
Range (mV) | ±2000.0 mV |
Accuracy (Barometer) | ±6mmHg |
Range (ORP) | ±2000.0 mV |
Methods | 10 per channel with password protection |
Pressure Resolution | 1mmHg |
Range (pH) | -2 to 20 |
Channels | 2 |
Accuracy (pH) | ±0.002 |
Resolution (RDO) | 0.01, 0.1mg/L |
Percent Saturation Resolution (RDO) | 0.1, 1 % saturation |
Percent Saturation Relative Accuracy (Polarographic DO) | ±2 % saturation or ±2% of reading whichever is greater |
Inputs | BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature) |
Weight (Metric) | 0.5 kg |
Temperature (English) Operating | 41°F to 113°F (ambient) |
Isopotential Point | 7.000pH |
Accuracy (Polarographic DO) | ±0.2mg/L or ±2% of reading, whichever is greater |
AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
Calibration | pH with calibration editing option, relative mV (RmV), ORP, dissolved oxygen and temperature |
Calibration Points | 1 point relative mV (RmV) mode, 1 point ORP mode |
Alarm Output | High/low limit alarm, calibration due alarm |
IP Rating | IP67 |
Percent Saturation Resolution (Polarographic DO) | 0.1, 1 % saturation |
Model | Orion Star A326 pH/mV/RmV/ORP/RDO Optical/Dissolved Oxygen/Temperature Portable Meter |
Weight (English) | 1.2 lb. |
Temperature (Metric) Operating | 5°C to 45°C (ambient) |
Temperature Range (Metric) | -5.0°C to +105.0°C |
Percent Saturation Range (Polarographic DO) | 0.0 to 600.0 % saturation |
Temperature Resolution | 0.1°C, 0.1°F |
Accuracy (RDO) | ±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L |
METTLER TOLEDO™ S600 SevenExcellence™ Dissolved Oxygen Benchtop Meter Kit
The S600 meter kit includes a meter, electrode, and accessories to measure disolved oxygen (DO). The meter can be expanded with additional modules to measure pH, conductivity, and ISE. It has an intuitive touchscreen, measurement shortcuts, and can export data to a printer, Excel, or LIMS system.
Thermo Scientific™ Orion Star™ A329 pH/ISE/Conductivity/Dissolved Oxygen Portable Multiparameter Meter
Accurately measure pH, ion concentration, conductivity, dissolved oxygen and temperature with our pH/ISE/conductivity/RDO/DO portable meter.
Salinity Measurement Modes | Practical salinity (psu) or natural sea water (ppt) |
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Resolution (Polarographic DO) | 0.01, 0.1mg/L |
Pressure Range | 400 to 850mmHg |
Range (Resistivity) | 2 ohm to 100.0 meg-ohm |
Memory | Non-volatile memory preserves data log, calibration log and meter settings |
Advanced ISE Functions | Segmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stabilit |
Resolution (pH) | 0.1/0.01/0.001 |
Languages | English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update |
Measurement Modes | pH,mV,Relative mV,TDS,ORP with Temperature,Salinity,Conductivity,Resistivity with Temperature |
Resolution (ISE) | 0.0001 minimum, 1 to 3 significant digits (user selectable) |
Power Supply | 4 AA batteries (included) or universal AC adapter (sold separately) |
Barometric Pressure Correction | 400 to 850mmHg, automatic using built-in barometer or manual entry |
Data Management Details | Transfer single, range or all data points to printer or computer |
Battery Life | 800 hr. |
Display Type | LCD Graphic, Backlit |
Resolution (mV) | 0.1mV |
Data Points | 5000 with Date and Time Stamp |
Calibration Modes | Water-saturated air, air-saturated water, manual (Winkler titration), zero point |
Temperature Probe Calibration | 1 point temperature offset calibration |
Certifications/Compliance | CE, TUV 3-1, FCC Class A |
Salinity Factor | 0.0 to 45.0 ppt, automatic correction using conductivity reading or manual entry of sample salinity |
Accuracy (mV) | ±0.2 mV or ±0.05% of reading whichever is greater |
Accuracy (ISE) | ±0.2 mV or ±0.05% of reading whichever is greater |
Warranty | 3 Year Meter |
Temperature Accuracy | ±0.1°C |
Stability | Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting |
Calibration Points (ISE) | 1 to 5 |
Resolution (Conductivity) | 0.001 μS minimum, auto ranging up to 4 significant digits |
Range (Conductivity) | 0.001 μS/cm to 3000 mS/cm |
Log Function Type | Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m |
Percent Saturation Range Polarographic DO | 0.0 to 600.0 % saturation |
Battery Type | 4 AA (included) |
Relative Humidity Range | 5 to 85 %, non-condensing |
Range (RDO) | 0.00 to 50.00mg/L |
Dimensions (L x W x H) | 24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.) |
Accuracy (TDS) | 0.5% of reading ±1 digit |
Temperature Selection | Manual or automatic with ATC temperature probe |
Percent Saturation Range (RDO) | 0.0 to 500.0 % saturation |
Keypad | Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys |
Outputs | USB, RS232 |
Temperature Range (English) | 22.0°F to 221.0° F |
Range (Relative mV) | ±2000.0 mV |
Calibration Points (pH) | 1 to 5 |
Backlight Option | Yes (Selectable) |
Percent Saturation Relative Accuracy (RDO) | ±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation |
Range (Polarographic DO) | 0.00 to 90.00mg/L |
Range (mV) | ±2000.0 mV |
Accuracy (Barometer) | ±6mmHg |
Range (ORP) | ±2000.0 mV |
Methods | 10 per channel with password protection |
Pressure Resolution | 1mmHg |
Cell Constant | 0.001 to 199.9cm-1 |
Temperature (Metric) Reference | 5, 10, 15, 20, 25°C |
Range (pH) | -2 to 20 |
TDS Factor Range | Linear (0.02 to 9.99) |
Channels | 3 |
Accuracy (pH) | ±0.002 |
Range (ISE) | 0.0001 to 19900 with selectable units of ppm, Molar, mg/L, %, ppb or none |
Range (Salinity) | 0.06 to 80.00 psu, 0.05 to 42.00 ppt |
Resolution (RDO) | 0.01, 0.1mg/L |
Temperature Compensation | Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off |
Accuracy (Salinity) | 0.5% of reading ±1 digit |
Resolution (Salinity) | 0.01 psu or 0.01 ppt minimum, auto ranging |
Percent Saturation Resolution (RDO) | 0.1, 1 % saturation |
Accuracy (Conductivity) | 0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS |
Percent Saturation Relative Accuracy (Polarographic DO) | ±2 % saturation or ±2% of reading whichever is greater |
Inputs | BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (conductivity sensor with built-in temperature or ATC temperature probe), 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature) |
Weight (Metric) | 0.5 kg |
Calibration Points (Conductivity) | Up to 5 |
Temperature (English) Operating | 41°F to 113°F (ambient) |
Resolution (Resistivity) | 1 ohm or 0.1 meg-ohm, auto ranging |
Isopotential Point | 7.000pH |
Accuracy (Polarographic DO) | ±0.2mg/L or ±2% of reading, whichever is greater |
Accuracy (Resistivity) | 0.5% of reading ±1 digit |
AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
Range (TDS) | 0.001 ppm to 200.0 ppt |
Resolution (TDS) | 0.001 ppm minimum, auto ranging up to 4 significant digits |
Calibration | pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ |
Calibration Points | 1 point relative mV (RmV) mode, 1 point ORP mode |
Alarm Output | High/low limit alarm, calibration due alarm |
IP Rating | IP67 |
Percent Saturation Resolution (Polarographic DO) | 0.1, 1 % saturation |
Model | Orion Star A329 pH/ISE/mV/RmV/ORP/Conductivity/TDS/Salinity/Resistivity/RDO Optical/Dissolved Oxygen/Temperature Portable Meter |
Weight (English) | 1.2 lb. |
Temperature (Metric) Operating | 5°C to 45°C (ambient) |
Temperature Range (Metric) | -5.0°C to +105.0°C |
Percent Saturation Range (Polarographic DO) | 0.0 to 600.0 % saturation |
Temperature Resolution | 0.1°C, 0.1°F |
Accuracy (RDO) | ±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L |
Thermo Scientific™ Orion™ Versa Star Pro™ pH/ISE/Conductivity/Dissolved Oxygen Multiparameter Benchtop Meter
Get premium performance and flexibility with our multiparameter benchtop meter with pH/ISE, conductivity and RDO/DO modules to measure up to four channels at once.
Power Rating | DC input: 9VDC, 1A |
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Salinity Measurement Modes | Practical salinity (psu) or natural sea water (ppt) |
Resolution (Polarographic DO) | 0.01, 0.1mg/L |
Pressure Range | 400 to 850mmHg |
Range (Resistivity) | 2 ohm to 100.0 meg-ohm |
Memory | Non-volatile memory preserves data log, calibration log and meter settings |
Resolution (pH) | 0.1/0.01/0.001 |
Languages | English, Spanish, French, Italian, German, Chinese, Portuguese and Korean |
Measurement Modes | pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature,TDS,Conductivity,Salinity |
Resolution (ISE) | 0.0001 minimum, 1 to 4 significant digits (user selectable) |
Power Supply | Universal AC adapter (included) |
Barometric Pressure Correction | 400 to 850mmHg, automatic using built-in barometer or manual entry |
Data Management Details | Transfer single, range or all data points to printer or computer |
Display Type | Color graphic LCD with user-customizable options |
Resolution (mV) | 0.1mV |
Data Points | 2000 with Date and Time Stamp |
Calibration Modes | Water-saturated air, air-saturated water, manual (Winkler titration), zero point |
Temperature Probe Calibration | 1 point temperature offset calibration |
Certifications/Compliance | CE, TUV 3-1, FCC Class A |
Salinity Factor | 0.0 to 45.0 ppt, automatic correction using conductivity reading or manual entry of sample salinity |
Accuracy (mV) | ±0.2 mV or ±0.05% of reading whichever is greater |
Accuracy (ISE) | ±0.2 mV or ±0.05% of reading whichever is greater |
Temperature Accuracy | ±0.1°C |
Stability | Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting |
Calibration Points (ISE) | 1 to 6 |
Resolution (Conductivity) | 0.001 μS minimum, auto ranging up to 4 significant digits |
Range (Conductivity) | 0.001 μS/cm to 3000 mS/cm |
Log Function Type | Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with |
Percent Saturation Range Polarographic DO | 0.0 to 600.0% saturation |
Relative Humidity Range | 5 to 85%, non-condensing |
Range (RDO) | 0.00 to 50.00mg/L |
Dimensions (L x W x H) | 28 x 24 x 10cm (11 x 9.5 x 3.9 in.), modules add ≤ 2cm (0.8 in.) L & H |
Accuracy (TDS) | 0.5% of reading ±1 digit |
Temperature Selection | Manual or automatic with ATC temperature probe |
Percent Saturation Range (RDO) | 0.0 to 500.0% saturation |
Keypad | Numeric with menu-specific function keys and dual purpose scroll/shortcut keys |
Outputs | USB (2), RS232 |
Temperature Range (English) | 22.0°F to 221.0° F |
Range (Relative mV) | ±2000.0 mV |
Calibration Points (pH) | 1 to 6 |
Backlight Option | Yes |
Percent Saturation Relative Accuracy (RDO) | ±2% saturation ≤ 200% saturation, ±10% saturation > 200% saturation |
Range (Polarographic DO) | 0.00 to 90.00mg/L |
Range (mV) | ±2000.0 mV |
Accuracy (Barometer) | ±6 mmHg |
Range (ORP) | ±2000.0 mV |
Pressure Resolution | 0.1mmHg |
Cell Constant | 0.001 to 199.9cm-1 |
Temperature (Metric) Reference | 5°, 10°, 15°, 20°, 25°C |
Range (pH) | -2 to 20 |
TDS Factor Range | Linear (0.02 to 9.99) |
Channels | 4 (Customizable with modules) |
Accuracy (pH) | ±0.002 |
Range (ISE) | 0.0001 to 19990 with selectable units of ppm, Molar, mg/L, %, ppb or none |
Range (Salinity) | 0.06 to 80.00 psu, 0.05 to 42.00 ppt |
Resolution (RDO) | 0.01, 0.1mg/L |
Temperature Compensation | Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off |
Accuracy (Salinity) | 0.5% of reading ±1 digit |
Resolution (Salinity) | 0.01 psu or 0.01 ppt minimum, auto ranging |
Percent Saturation Resolution (RDO) | 0.1, 1% saturation |
Accuracy (Conductivity) | 0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS |
Weight (Metric) | 1.2 kg, modules add 0.2 kg each |
Calibration Points (Conductivity) | Up to 6 |
Temperature (English) Operating | 41°F to 113°F (ambient) |
Resolution (Resistivity) | 1 ohm or 0.1 meg-ohm, auto ranging |
Isopotential Point | 7.000pH (adjustable), 1.000 ISE (adjustable) |
Accuracy (Polarographic DO) | ±0.2 mg/L or ±2% of reading, whichever is greater |
Accuracy (Resistivity) | 0.5% of reading ±1 digit |
AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR) |
Range (TDS) | 0.001 ppm to 200.0 ppt |
Resolution (TDS) | 0.001 ppm minimum, auto ranging up to 4 significant digits |
Calibration | pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ |
Calibration Points | 1 point relative mV (RmV) mode, 1 point ORP mode |
Alarm Output | Set point alarm, high/low limit alarm, calibration due alarm |
IP Rating | IP54 |
Percent Saturation Resolution (Polarographic DO) | 0.1, 1% saturation |
Weight (English) | 2.5 lb., modules add 0.5 lb. each |
Temperature (Metric) Operating | 5°C to 45°C (ambient) |
Temperature Range (Metric) | -5.0°C to +105.0°C |
Percent Saturation Range (Polarographic DO) | 0.0 to 600.0% saturation |
Temperature Resolution | 0.1°C, 0.1°F |
Accuracy (RDO) | ±0.1 mg/L up to 8 mg/L, ±0.2 mg/L from 8 to 20 mg/L, ±10% of reading up to 50 mg/L |
YSI™ Pro2030 Field Dissolved Oxygen/Conductivity Meter
Measure DO, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature