Electrochemistry Meters
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Mettler Toledo™ DO Meter NineFocus™ NF4000 Kit™
High-performance, multiparameter benchtop meter for compelling precision in pH, conductivity, ion concentration, redox, and dissolved oxygen determinations.
OHAUS™ Aquasearcher™ Conductivity Meter AB23EC
The Aquasearcher™ Conductivity Meter AB23EC is a simple to use benchtop meter designed to easily measure conductivity, total dissolved solids (TDS), and salinity.
| Calibration Points | 1 Point Cell Constant |
|---|---|
| Display Type | LCD |
| IP Rating | None |
| Range (Resistivity) | 0.01 μ/cm to 19.99 μ/cm |
| Range (Conductivity) | 0.01 μS/cm to 199.9 mS/cm |
| Accuracy (Conductivity) | ±1% Reading ±3 LSD |
| Data Points | 99 Sets |
| Range (TDS) | 0.1 mg/L to 199.9 g/L |
| Measurement Modes | Auto-stop,Continuous |
| Calibration | Linear |
| Temperature Range (Metric) | 0.0°C to 100.0°C |
| Range (Salinity) | 0 to 99.9 psu |
Thermo Scientific™ Orion™ Pro Star PI214 pH/Ion Bench Meter PROMO
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Designed to provide accurate and reliable pH, ORP, ion concentration and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PI214 bench meter is well suited for laboratories that desire a modern meter with advance performance.
OHAUS™ Starter Salinity Pen Meters
Simple salinity measurement. OHAUS Starter Salinity Pen Meters with combination of quality construction and sturdy design provide durable operation in tough environments.
| Type | Salinity Pen Meter |
|---|---|
| Display Type | LCD |
| Weight (English) | 0.23 lb. |
| Material | ABS |
| For Use With (Application) | Measuring salinity the dissolved salt content in a liquid medium |
| Battery Type | Micro Alkaline |
| Ambient Temperature (Metric) | 0 to 50°C |
| Ambient Temperature (English) | 32 to 122°F |
| Weight (Metric) | 105 g |
| Resolution | 0.1 ppt |
Thermo Scientific™ Expert pH Pocket Tester
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Perform on-the-go, fuss-free measurements for applications such as water treatment, environmental monitoring, education, hydroponics, agriculture, aquaculture, food & beverage and many more!
Thermo Scientific™ Orion™ Pro Star PC215 pH/Ion and Conductivity Bench Meter PROMO
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Designed to provide accurate and reliable pH, ORP, ion concentration, conductivity, TDS, salinity, resistivity and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PC215 bench meter is well suited for laboratories that desire a modern meter with advance performance.
Thermo Scientific™ Orion™ Versa Star Pro™ Conductivity Benchtop Meter
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Get high accuracy, premium performance and ultimate flexibility with this conductivity benchtop meter designed for conductivity, total dissolved solids (TDS), salinity, resistivity and temperature.
| Power Rating | DC input: 9VDC, 1A |
|---|---|
| Salinity Measurement Modes | Practical salinity (psu) or natural sea water (ppt) |
| Range (Resistivity) | 2 ohm to 100.0 megohm |
| Memory | Non-volatile memory preserves data log, calibration log and meter settings |
| Languages | English, Spanish, French, Italian, German, Chinese, Portuguese and Korean |
| Measurement Modes | Conductivity,TDS,Salinity,Resistivity with Temperature |
| Power Supply | Universal AC adapter (included) |
| Data Management Details | Transfer single, range or all data points to printer or computer |
| Display Type | Color Graphic LCD with User-customizable Options |
| Data Points | 2000 with Date and Time Stamp |
| Certifications/Compliance | CE, TUV 3-1, FCC Class A |
| Temperature Probe Calibration | 1 point temperature offset calibration |
| Stability | Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting |
| 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 |
| Relative Humidity Range | 5 to 85%, non-condensing |
| Dimensions (L x W x H) | 28 x 24 x 10 cm (11 x 9.5 x 3.9 in.), modules add ≤ 2 cm (0.8 in.) L & H |
| Accuracy (TDS) | 0.5% of reading ±1 digit |
| Temperature Selection | Manual or automatic with ATC temperature probe |
| Keypad | Numeric with menu-specific function keys and dual purpose scroll/shortcut keys |
| Outputs | USB (2), RS232 |
| Backlight Option | Yes |
| Compatible Probes | 2-cell or 4-cell conductivity sensors with built-in temperature |
| Methods | 10 per channel |
| Cell Constant | 0.001 to 199.9 cm-1 |
| Temperature (Metric) Reference | 5, 10, 15, 20, 25°C |
| Channels | 4 (Customizable with modules) |
| TDS Factor Range | Linear (0.02 to 9.99) |
| Range (Salinity) | 0.06 to 80.00 psu, 0.05 to 42.00 ppt |
| Temperature Compensation | Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off wit |
| Accuracy (Salinity) | 0.5% of reading ±1 digit |
| Resolution (Salinity) | 0.01 psu or 0.01 ppt minimum, auto ranging |
| Accuracy (Conductivity) | 0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS |
| Inputs | 8 pin MiniDIN (conductivity sensor with built-in temperature), two stirrer inputs (stirrer probe) |
| Accuracy (Temperature) | ±0.1°C |
| Weight (Metric) | 1.2 kg, modules add 0.2 kg each |
| Calibration Points (Conductivity) | 6 |
| Temperature (English) Operating | 41°F to 113°F (ambient) |
| Resolution (Resistivity) | 1 ohm or 0.1 megohm, auto ranging |
| Accuracy (Resistivity) | 0.5% of reading ±1 digit |
| AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR) |
| Resolution (TDS) | 0.001 ppm minimum, auto ranging up to 4 significant digits |
| Calibration | Conductivity with calibration editing option and temperature |
| Alarm Output | Set point alarm, high/low limit alarm, calibration due alarm |
| IP Rating | IP54 |
| Weight (English) | 2.5 lb., modules add 0.5 lb. each |
| Resolution (Temperature) | 0.1°C (0.1°F) |
| Temperature (Metric) Operating | 5°C to 45°C (ambient) |
| Temperature Range (Metric) | -5°C to +105°C |
Thermo Scientific™ Orion Star™ A221 Portable pH Meter
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Reliably measure pH, mV, ORP and temperature with our portable pH meter for advanced field analysis and printer or computer interfacing.
Thermo Scientific™ Elite CTS Conductivity / TDS / Salinity Pin-sensor Pocket Testers and Replacement Sensors
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Flexible on-the-go conductivity, TDS, salinity and temperature testing using durable Elite CTS pin-sensor pocket testers for a variety of applications including hydroponics, pools, spas and more!
| Salinity Measurement Modes | Per practical salinity curve |
|---|---|
| Temperature Accuracy | ±0.6°C, ±1.0°F for 0.0 to 50.0°C; ±1.1°C, ±1.9°F for 50.1 to 60.0°C |
| Resolution (Conductivity) | 0.1 μS/cm for 0.0 to 200.0 μS/cm; 1 μS/cm for200 to 2000 μS/cm; 0.01 mS/cm for 2.00 to 20.00 mS/cm |
| Range (Conductivity) | 0.00 to 20.00 mS/cm |
| Range (TDS) | 0.00 to 10.00 ppt |
| Measurement Modes | Conductivity,TDS,Salinity,Temperature |
| Resolution (TDS) | 0.1 ppm for 0.0 to 100.0 ppm; 1 ppm for 100 to 1000 ppm; 0.01 ppt for 0.10 to 10.00 ppt |
| TDS Factor Range | 0.40 to 1.00 (selectable) |
| Relative Humidity Range | 5 to 85 %, non-condensing |
| Range (Salinity) | 0.00 to 10.00 ppt |
| Temperature Compensation | Yes |
| Accuracy (TDS) | ± 1% full scale |
| Accuracy (Salinity) | ± 1% full scale |
| Resolution (Salinity) | 0.10 ppt |
| Accuracy (Conductivity) | ± 1% full scale |
| Temperature Range (English) | 32.0°F to 140.0°F |
| Temperature Probe Calibration | 1 point |
| Temperature (Metric) Operating | 5°C to 45°C (ambient) |
| Temperature Resolution | 0.1°C, 0.1°F |
| Calibration Points (Conductivity) | 1 to 3 |
Mettler Toledo Titrator Karl Fischer EVA C1 X
A cutting-edge (EVA C1 X) solution designed for precise and efficient trace water determination across diverse sample types
Mettler Toledo Titrator Karl Fischer EVA C1 D
A cutting-edge solution designed for precise and efficient trace water determination across diverse sample types
Thermo Scientific™ Orion Star™ A321 pH Portable Meter
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Accurately monitor pH, mV, ORP and temperature with our waterproof, portable pH meter for high performance in challenging field locations.
| 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 |
| Range (pH) | -2 to 20 |
| Channels | 1 |
| Accuracy (pH) | ±0.002 |
| Power Supply | 4 AA batteries (included) or universal AC adapter (sold separately) |
| 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 |
| Temperature Probe Calibration | 1 point temperature offset calibration |
| Certifications/Compliance | CE, TUV 3-1, FCC Class A |
| Inputs | BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe) |
| Weight (Metric) | 0.5 kg |
| 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 |
| Temperature (English) Operating | 41°F to 113°F (ambient) |
| Isopotential Point | 7.000pH |
| AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
| Log Function Type | Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m |
| Calibration | pH with calibration editing option, relative mV (RmV), ORP and temperature |
| Battery Type | 4 x AA |
| Relative Humidity Range | 5 to 85%, non-condensing |
| Calibration Points | 1 to 5 |
| Alarm Output | High/low limit alarm, calibration due alarm |
| 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 |
| IP Rating | IP67 |
| Keypad | Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys |
| Model | Orion Star A321 pH/mV/RmV/ORP/Temperature Portable Meter |
| Outputs | USB, RS-232 |
| Temperature Range (English) | 22.0°F to 221.0° F |
| Range (Relative mV) | ±2000.0 mV |
| Backlight Option | Yes (Selectable) |
| Weight (English) | 1.2 lb. |
| Temperature (Metric) Operating | 5°C to 45°C (ambient) |
| Temperature Range (Metric) | -5.0°C to +105.0°C |
| Range (mV) | ±2000.0 mV |
| Range (ORP) | ±2000.0 mV |
| Methods | 10 per channel with password protection |
| Temperature Resolution | 0.1°C, 0.1°F |
Thermo Scientific™ Elite pH Pocket Testers and Replacement Sensors
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Flexible on-the-go pH and temperature testing using durable Elite pocket testers with replaceable sensors for a variety of applications including environmental monitoring, pools, spas and more!
Ohaus™ Starter ST20M-C Multi-Parameter Pen Meter
Compact design for fast, convenient electrochemistry reading. Measure conductivity, pH, temperature and salinity with the same meter. IP67, automatic temperature compensation, 3-point calibration and auto-off after 6 minutes of non-use
Thermo Scientific™ Orion Star™ A326 pH/Dissolved Oxygen Portable Multiparameter Meter
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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 |
|---|---|
| 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 |