
Cole-Parmer Traceable® Dissolved Oxygen Meter with Calibration
SKU: N/ARecall Min/Max and Avg readings
- Get accurate, reliable measurements with included NIST-traceable calibration
- Export measurements with optional data acquisition software and cable
- Freeze the display with the Hold feature
- Adjustable for °F/°C units, % salt, and altitude

Cole-Parmer Traceable® Dissolved Oxygen Pocket Tester with Calibration
SKU: N/AWater-resistant design with O-ring seal and membrane keypad provides a long life in severe lab or harsh plant environments—just dip and read!
- Get accurate, reliable measurements with included NIST-traceable calibration
- Dissolved oxygen range is 0.0 to 20.0 mg/L, accuracy is ±0.4mg/L
- Oxygen measurement % air saturation range is 0.0 to 100% air saturation, accuracy is ±0.7% mg/L
- Displays temperature and minimum/maximum memory, plus a Hold key

Extech 407510 Dissolved Oxygen Meter Kit
SKU: N/ALow-cost meter with advanced features
- Built-in RS-232 serial interface
- Toggle switch for dissolved oxygen readings expressed in mg/L or % oxygen in air

Extech DO600 Dissolved Oxygen Pocket Testers
SKU: N/AMeasures in percent saturation or concentration
- Adjustable altitude and salinity compensation

Jenway Benchtop Dissolved Oxygen Meter
SKU: N/AStore up to 250 DO data points and 20 BOD data sets
- LCD provides clear, direct readout of percentage of dissolved oxygen, mg/L, or BOD of samples
- Easily export data to computer or printer via RS-232 or IrDA connections
- % Saturation from 0 to 199 or 0 to 25 with accuracy of ±2% with 50°F (10°C) of calibration temperature
- Manual salinity and barometric pressure compensation
- Features real-time clock

Lovibond Automatic BOD Measurement System with Remote Control
SKU: N/ANo need to do the math–displayed value is the actual value
- BOD values stored in the measurement head are viewable any time on the large display
- User-selectable measurement period up to 28 days suits research, standard BOD, and OECD Ready Biodegradability tests
- Automatic start feature delays test onset until sample temperature reaches incubator temperature
- Inductive stirring system requires no maintenance
- Sampling rate: 1 reading every hour (day 1), 1 reading every two hours (day 2), 1 reading every 24 hours (day 3 to 28)

Mettler Toledo Seven2Go™ Dissolved Oxygen Meters
SKU: N/ADesigned for one-handed, portable use
- Take readings quickly with one hand
- Don’t recalibrate with every probe change—compatible with ISM sensors
- Robust IP67-rated housing protects meter in harsh environments
- Pro meters and kits add 12 languages, sunlight-proof display, and LED status lights

METTLER TOLEDO SevenExcellence Dissolved Oxygen and Multiparameter Meters
SKU: N/AIntuitive and clear interface improves work flow
- Large color touch screen and plain language menu options make setup and operation easy
- Predefined and custom methods begin measurements with a single touch
- Select your preferred display—all the available details or just the basics
- Integrated radio-controlled clock ensures measurements are correctly stamped with time and date

Oakton® Dissolved Oxygen Meter Probes
SKU: N/AProbes for dissolved oxygen and biological oxygen demand for Oakton DO/BOD oxygen meters.

Oakton® DO 2700 Benchtop Dissolved Oxygen Meter Series
SKU: N/ADesigned for optimal performance and versatility
- Advanced meter for research grade use with BOD capability

Oakton® DO 6+ Dissolved Oxygen Meters
SKU: N/AHigh accuracy combined with economical pricing
- Low-maintenance, galvanic probe requires no warm-up time
- Includes protective rubber boot which also functions as a benchtop stand

Oakton® DO 700 Benchtop Dissolved Oxygen Meter Series
SKU: N/ACompact, space-saving design is nearly 40% smaller than other benchtop meters
- Extra-large 3-1⁄4″ x 2-7⁄16″ (8.3 x 6.2 cm), brightly lit LCD for easy viewing of measured values
- Low-maintenance galvanic probe requires no warm-up time
- Built-in memory stores up to 100 data points

Oakton® Waterproof DO 450 Optical Dissolved Oxygen Portable Meter 64724
SKU: N/AAffordable optical RDO technology reduces maintenance time and costs
- Eliminates costly, tiresome membranes and solutions
- Rugged, IP67-rated housing for plant and field applications
- Memory for 500 data sets and USB and RS-232 output for transfer to PC
- 500 hours battery life, or optional universal power adapter
- Built-in stand with wall mount allows for easy benchtop measurement or storage

Oakton® Waterproof DO 600 Dissolved Oxygen Meters
SKU: N/AStores up to 500 data points with time-and-date stamp for GLP compliance
- Programmable “calibration due” date for increased data integrity
- Wirelessly download data via IrDA or RS-232 (LED) port

Strathkelvin Precision Dissolved Oxygen Respirometer
SKU: N/AMeter interfaces with your PC for respiration rates of mitochondria, cell suspensions, and oxidative enzyme preparations.
- Ideal for laboratory research and cell biology research
- Precision microcathode electrodes

Thermo Scientific Orion COD165 Reactor for COD test, 115/230VAC
SKU: N/AIdeal for environmental and wastewater monitoring
- Simultaneous digestion of 25 samples saves time
- For a complete system order COD reactor (99581-35), COD test kits (99581-40,-42, or -44), and COD colorimeter (99581-20)

Thermo Scientific Orion Star A100 Series Benchtop Dissolved Oxygen Meter
SKU: N/AMake it easy and affordable to take simple, accurate dissolved oxygen measurements
- Oxygen measurement directly in % saturation or mg/L (ppm)
- Large LCD displays Conductivity along with temperature
- Auto-Read™ function locks in stable reading
- Nonvolatile memory holds up to 50 data points
- AC power adapter or four AA batteries (sold separately)

Thermo Scientific Orion Star A100 Series Portable Dissolved Oxygen Meter
SKU: N/AMake it easy and affordable to take simple, accurate dissolved oxygen measurements
- Oxygen measurement directly in % saturation or mg/L (ppm)
- Large LCD displays Conductivity along with temperature
- Auto-Read™ function locks in stable reading
- Nonvolatile memory holds up to 50 data points
- AC power adapter or four AA batteries (sold separately)

Thermo Scientific Orion Star A200 DO/RDO/BOD/Temperature Benchtop Meter
SKU: N/ADurability and dependability make it the ideal choice for every lab, every sample, every day
- Multlanguage interface supports English, Spanish, French, Italian, German and Chinese
- Choose between RDO optical probe and polarographic probe
- Directly measure in mg/L (ppm) or % saturation
- Automatic temperature, barometric pressure abd salinity corrections
- Nonvolatile memory holds up to 200 data points with time date stamp
- Individual passwords provide better method security
- Option of AC power or four AA batteries (sold separately)

Thermo Scientific Orion Star A200 DO/RDO/Temperature Meter
SKU: N/ADurability and dependability make it the ideal choice for every sample, every day, anywhere
- Multilanguage interface supports English, Spanish, French, Italian, German and Chinese
- Choose between RDO optical probe and polarographic probe
- Directly measure in mg/L (ppm) or % saturation
- Automatic temperature, barometric pressure abd salinity corrections
- Nonvolatile memory holds up to 1000 data points with time date stamp
- Four AA batteries provide 800 hours of field use, or order optional AC adpater for lab use

Cole-Parmer Traceable® Dissolved Oxygen Meter with Calibration
Recall Min/Max and Avg readings
- Get accurate, reliable measurements with included NIST-traceable calibration
- Export measurements with optional data acquisition software and cable
- Freeze the display with the Hold feature
- Adjustable for °F/°C units, % salt, and altitude

Cole-Parmer Traceable® Dissolved Oxygen Pocket Tester with Calibration
Water-resistant design with O-ring seal and membrane keypad provides a long life in severe lab or harsh plant environments—just dip and read!
- Get accurate, reliable measurements with included NIST-traceable calibration
- Dissolved oxygen range is 0.0 to 20.0 mg/L, accuracy is ±0.4mg/L
- Oxygen measurement % air saturation range is 0.0 to 100% air saturation, accuracy is ±0.7% mg/L
- Displays temperature and minimum/maximum memory, plus a Hold key

Extech 407510 Dissolved Oxygen Meter Kit
Low-cost meter with advanced features
- Built-in RS-232 serial interface
- Toggle switch for dissolved oxygen readings expressed in mg/L or % oxygen in air

Extech DO600 Dissolved Oxygen Pocket Testers
Measures in percent saturation or concentration
- Adjustable altitude and salinity compensation

Jenway Benchtop Dissolved Oxygen Meter
Store up to 250 DO data points and 20 BOD data sets
- LCD provides clear, direct readout of percentage of dissolved oxygen, mg/L, or BOD of samples
- Easily export data to computer or printer via RS-232 or IrDA connections
- % Saturation from 0 to 199 or 0 to 25 with accuracy of ±2% with 50°F (10°C) of calibration temperature
- Manual salinity and barometric pressure compensation
- Features real-time clock

Lovibond Automatic BOD Measurement System with Remote Control
No need to do the math–displayed value is the actual value
- BOD values stored in the measurement head are viewable any time on the large display
- User-selectable measurement period up to 28 days suits research, standard BOD, and OECD Ready Biodegradability tests
- Automatic start feature delays test onset until sample temperature reaches incubator temperature
- Inductive stirring system requires no maintenance
- Sampling rate: 1 reading every hour (day 1), 1 reading every two hours (day 2), 1 reading every 24 hours (day 3 to 28)

Mettler Toledo Seven2Go™ Dissolved Oxygen Meters
Designed for one-handed, portable use
- Take readings quickly with one hand
- Don’t recalibrate with every probe change—compatible with ISM sensors
- Robust IP67-rated housing protects meter in harsh environments
- Pro meters and kits add 12 languages, sunlight-proof display, and LED status lights

METTLER TOLEDO SevenExcellence Dissolved Oxygen and Multiparameter Meters
Intuitive and clear interface improves work flow
- Large color touch screen and plain language menu options make setup and operation easy
- Predefined and custom methods begin measurements with a single touch
- Select your preferred display—all the available details or just the basics
- Integrated radio-controlled clock ensures measurements are correctly stamped with time and date

Oakton® Dissolved Oxygen Meter Probes
Probes for dissolved oxygen and biological oxygen demand for Oakton DO/BOD oxygen meters.

Oakton® DO 2700 Benchtop Dissolved Oxygen Meter Series
Designed for optimal performance and versatility
- Advanced meter for research grade use with BOD capability

Oakton® DO 6+ Dissolved Oxygen Meters
High accuracy combined with economical pricing
- Low-maintenance, galvanic probe requires no warm-up time
- Includes protective rubber boot which also functions as a benchtop stand

Oakton® DO 700 Benchtop Dissolved Oxygen Meter Series
Compact, space-saving design is nearly 40% smaller than other benchtop meters
- Extra-large 3-1⁄4″ x 2-7⁄16″ (8.3 x 6.2 cm), brightly lit LCD for easy viewing of measured values
- Low-maintenance galvanic probe requires no warm-up time
- Built-in memory stores up to 100 data points

Oakton® Waterproof DO 450 Optical Dissolved Oxygen Portable Meter 64724
Affordable optical RDO technology reduces maintenance time and costs
- Eliminates costly, tiresome membranes and solutions
- Rugged, IP67-rated housing for plant and field applications
- Memory for 500 data sets and USB and RS-232 output for transfer to PC
- 500 hours battery life, or optional universal power adapter
- Built-in stand with wall mount allows for easy benchtop measurement or storage

Oakton® Waterproof DO 600 Dissolved Oxygen Meters
Stores up to 500 data points with time-and-date stamp for GLP compliance
- Programmable “calibration due” date for increased data integrity
- Wirelessly download data via IrDA or RS-232 (LED) port

Strathkelvin Precision Dissolved Oxygen Respirometer
Meter interfaces with your PC for respiration rates of mitochondria, cell suspensions, and oxidative enzyme preparations.
- Ideal for laboratory research and cell biology research
- Precision microcathode electrodes

Thermo Scientific Orion COD165 Reactor for COD test, 115/230VAC
Ideal for environmental and wastewater monitoring
- Simultaneous digestion of 25 samples saves time
- For a complete system order COD reactor (99581-35), COD test kits (99581-40,-42, or -44), and COD colorimeter (99581-20)

Thermo Scientific Orion Star A100 Series Benchtop Dissolved Oxygen Meter
Make it easy and affordable to take simple, accurate dissolved oxygen measurements
- Oxygen measurement directly in % saturation or mg/L (ppm)
- Large LCD displays Conductivity along with temperature
- Auto-Read™ function locks in stable reading
- Nonvolatile memory holds up to 50 data points
- AC power adapter or four AA batteries (sold separately)

Thermo Scientific Orion Star A100 Series Portable Dissolved Oxygen Meter
Make it easy and affordable to take simple, accurate dissolved oxygen measurements
- Oxygen measurement directly in % saturation or mg/L (ppm)
- Large LCD displays Conductivity along with temperature
- Auto-Read™ function locks in stable reading
- Nonvolatile memory holds up to 50 data points
- AC power adapter or four AA batteries (sold separately)

Thermo Scientific Orion Star A200 DO/RDO/BOD/Temperature Benchtop Meter
Durability and dependability make it the ideal choice for every lab, every sample, every day
- Multlanguage interface supports English, Spanish, French, Italian, German and Chinese
- Choose between RDO optical probe and polarographic probe
- Directly measure in mg/L (ppm) or % saturation
- Automatic temperature, barometric pressure abd salinity corrections
- Nonvolatile memory holds up to 200 data points with time date stamp
- Individual passwords provide better method security
- Option of AC power or four AA batteries (sold separately)

Thermo Scientific Orion Star A200 DO/RDO/Temperature Meter
Durability and dependability make it the ideal choice for every sample, every day, anywhere
- Multilanguage interface supports English, Spanish, French, Italian, German and Chinese
- Choose between RDO optical probe and polarographic probe
- Directly measure in mg/L (ppm) or % saturation
- Automatic temperature, barometric pressure abd salinity corrections
- Nonvolatile memory holds up to 1000 data points with time date stamp
- Four AA batteries provide 800 hours of field use, or order optional AC adpater for lab use

Cole-Parmer Traceable® Dissolved Oxygen Meter with Calibration
Recall Min/Max and Avg readings
- Get accurate, reliable measurements with included NIST-traceable calibration
- Export measurements with optional data acquisition software and cable
- Freeze the display with the Hold feature
- Adjustable for °F/°C units, % salt, and altitude

Cole-Parmer Traceable® Dissolved Oxygen Pocket Tester with Calibration
Water-resistant design with O-ring seal and membrane keypad provides a long life in severe lab or harsh plant environments—just dip and read!
- Get accurate, reliable measurements with included NIST-traceable calibration
- Dissolved oxygen range is 0.0 to 20.0 mg/L, accuracy is ±0.4mg/L
- Oxygen measurement % air saturation range is 0.0 to 100% air saturation, accuracy is ±0.7% mg/L
- Displays temperature and minimum/maximum memory, plus a Hold key

Extech 407510 Dissolved Oxygen Meter Kit
Low-cost meter with advanced features
- Built-in RS-232 serial interface
- Toggle switch for dissolved oxygen readings expressed in mg/L or % oxygen in air

Extech DO600 Dissolved Oxygen Pocket Testers
Measures in percent saturation or concentration
- Adjustable altitude and salinity compensation

Jenway Benchtop Dissolved Oxygen Meter
Store up to 250 DO data points and 20 BOD data sets
- LCD provides clear, direct readout of percentage of dissolved oxygen, mg/L, or BOD of samples
- Easily export data to computer or printer via RS-232 or IrDA connections
- % Saturation from 0 to 199 or 0 to 25 with accuracy of ±2% with 50°F (10°C) of calibration temperature
- Manual salinity and barometric pressure compensation
- Features real-time clock

Lovibond Automatic BOD Measurement System with Remote Control
No need to do the math–displayed value is the actual value
- BOD values stored in the measurement head are viewable any time on the large display
- User-selectable measurement period up to 28 days suits research, standard BOD, and OECD Ready Biodegradability tests
- Automatic start feature delays test onset until sample temperature reaches incubator temperature
- Inductive stirring system requires no maintenance
- Sampling rate: 1 reading every hour (day 1), 1 reading every two hours (day 2), 1 reading every 24 hours (day 3 to 28)

Mettler Toledo Seven2Go™ Dissolved Oxygen Meters
Designed for one-handed, portable use
- Take readings quickly with one hand
- Don’t recalibrate with every probe change—compatible with ISM sensors
- Robust IP67-rated housing protects meter in harsh environments
- Pro meters and kits add 12 languages, sunlight-proof display, and LED status lights

METTLER TOLEDO SevenExcellence Dissolved Oxygen and Multiparameter Meters
Intuitive and clear interface improves work flow
- Large color touch screen and plain language menu options make setup and operation easy
- Predefined and custom methods begin measurements with a single touch
- Select your preferred display—all the available details or just the basics
- Integrated radio-controlled clock ensures measurements are correctly stamped with time and date

Oakton® Dissolved Oxygen Meter Probes
Probes for dissolved oxygen and biological oxygen demand for Oakton DO/BOD oxygen meters.

Oakton® DO 2700 Benchtop Dissolved Oxygen Meter Series
Designed for optimal performance and versatility
- Advanced meter for research grade use with BOD capability

Oakton® DO 6+ Dissolved Oxygen Meters
High accuracy combined with economical pricing
- Low-maintenance, galvanic probe requires no warm-up time
- Includes protective rubber boot which also functions as a benchtop stand

Oakton® DO 700 Benchtop Dissolved Oxygen Meter Series
Compact, space-saving design is nearly 40% smaller than other benchtop meters
- Extra-large 3-1⁄4″ x 2-7⁄16″ (8.3 x 6.2 cm), brightly lit LCD for easy viewing of measured values
- Low-maintenance galvanic probe requires no warm-up time
- Built-in memory stores up to 100 data points

Oakton® Waterproof DO 450 Optical Dissolved Oxygen Portable Meter 64724
Affordable optical RDO technology reduces maintenance time and costs
- Eliminates costly, tiresome membranes and solutions
- Rugged, IP67-rated housing for plant and field applications
- Memory for 500 data sets and USB and RS-232 output for transfer to PC
- 500 hours battery life, or optional universal power adapter
- Built-in stand with wall mount allows for easy benchtop measurement or storage

Oakton® Waterproof DO 600 Dissolved Oxygen Meters
Stores up to 500 data points with time-and-date stamp for GLP compliance
- Programmable “calibration due” date for increased data integrity
- Wirelessly download data via IrDA or RS-232 (LED) port

Strathkelvin Precision Dissolved Oxygen Respirometer
Meter interfaces with your PC for respiration rates of mitochondria, cell suspensions, and oxidative enzyme preparations.
- Ideal for laboratory research and cell biology research
- Precision microcathode electrodes

Thermo Scientific Orion COD165 Reactor for COD test, 115/230VAC
Ideal for environmental and wastewater monitoring
- Simultaneous digestion of 25 samples saves time
- For a complete system order COD reactor (99581-35), COD test kits (99581-40,-42, or -44), and COD colorimeter (99581-20)

Thermo Scientific Orion Star A100 Series Benchtop Dissolved Oxygen Meter
Make it easy and affordable to take simple, accurate dissolved oxygen measurements
- Oxygen measurement directly in % saturation or mg/L (ppm)
- Large LCD displays Conductivity along with temperature
- Auto-Read™ function locks in stable reading
- Nonvolatile memory holds up to 50 data points
- AC power adapter or four AA batteries (sold separately)

Thermo Scientific Orion Star A100 Series Portable Dissolved Oxygen Meter
Make it easy and affordable to take simple, accurate dissolved oxygen measurements
- Oxygen measurement directly in % saturation or mg/L (ppm)
- Large LCD displays Conductivity along with temperature
- Auto-Read™ function locks in stable reading
- Nonvolatile memory holds up to 50 data points
- AC power adapter or four AA batteries (sold separately)

Thermo Scientific Orion Star A200 DO/RDO/BOD/Temperature Benchtop Meter
Durability and dependability make it the ideal choice for every lab, every sample, every day
- Multlanguage interface supports English, Spanish, French, Italian, German and Chinese
- Choose between RDO optical probe and polarographic probe
- Directly measure in mg/L (ppm) or % saturation
- Automatic temperature, barometric pressure abd salinity corrections
- Nonvolatile memory holds up to 200 data points with time date stamp
- Individual passwords provide better method security
- Option of AC power or four AA batteries (sold separately)

Thermo Scientific Orion Star A200 DO/RDO/Temperature Meter
Durability and dependability make it the ideal choice for every sample, every day, anywhere
- Multilanguage interface supports English, Spanish, French, Italian, German and Chinese
- Choose between RDO optical probe and polarographic probe
- Directly measure in mg/L (ppm) or % saturation
- Automatic temperature, barometric pressure abd salinity corrections
- Nonvolatile memory holds up to 1000 data points with time date stamp
- Four AA batteries provide 800 hours of field use, or order optional AC adpater for lab use

Cole-Parmer Traceable® Dissolved Oxygen Meter with Calibration
Recall Min/Max and Avg readings
- Get accurate, reliable measurements with included NIST-traceable calibration
- Export measurements with optional data acquisition software and cable
- Freeze the display with the Hold feature
- Adjustable for °F/°C units, % salt, and altitude

Cole-Parmer Traceable® Dissolved Oxygen Pocket Tester with Calibration
Water-resistant design with O-ring seal and membrane keypad provides a long life in severe lab or harsh plant environments—just dip and read!
- Get accurate, reliable measurements with included NIST-traceable calibration
- Dissolved oxygen range is 0.0 to 20.0 mg/L, accuracy is ±0.4mg/L
- Oxygen measurement % air saturation range is 0.0 to 100% air saturation, accuracy is ±0.7% mg/L
- Displays temperature and minimum/maximum memory, plus a Hold key

Extech 407510 Dissolved Oxygen Meter Kit
Low-cost meter with advanced features
- Built-in RS-232 serial interface
- Toggle switch for dissolved oxygen readings expressed in mg/L or % oxygen in air

Extech DO600 Dissolved Oxygen Pocket Testers
Measures in percent saturation or concentration
- Adjustable altitude and salinity compensation

Jenway Benchtop Dissolved Oxygen Meter
Store up to 250 DO data points and 20 BOD data sets
- LCD provides clear, direct readout of percentage of dissolved oxygen, mg/L, or BOD of samples
- Easily export data to computer or printer via RS-232 or IrDA connections
- % Saturation from 0 to 199 or 0 to 25 with accuracy of ±2% with 50°F (10°C) of calibration temperature
- Manual salinity and barometric pressure compensation
- Features real-time clock

Lovibond Automatic BOD Measurement System with Remote Control
No need to do the math–displayed value is the actual value
- BOD values stored in the measurement head are viewable any time on the large display
- User-selectable measurement period up to 28 days suits research, standard BOD, and OECD Ready Biodegradability tests
- Automatic start feature delays test onset until sample temperature reaches incubator temperature
- Inductive stirring system requires no maintenance
- Sampling rate: 1 reading every hour (day 1), 1 reading every two hours (day 2), 1 reading every 24 hours (day 3 to 28)

Mettler Toledo Seven2Go™ Dissolved Oxygen Meters
Designed for one-handed, portable use
- Take readings quickly with one hand
- Don’t recalibrate with every probe change—compatible with ISM sensors
- Robust IP67-rated housing protects meter in harsh environments
- Pro meters and kits add 12 languages, sunlight-proof display, and LED status lights

METTLER TOLEDO SevenExcellence Dissolved Oxygen and Multiparameter Meters
Intuitive and clear interface improves work flow
- Large color touch screen and plain language menu options make setup and operation easy
- Predefined and custom methods begin measurements with a single touch
- Select your preferred display—all the available details or just the basics
- Integrated radio-controlled clock ensures measurements are correctly stamped with time and date

Oakton® Dissolved Oxygen Meter Probes
Probes for dissolved oxygen and biological oxygen demand for Oakton DO/BOD oxygen meters.

Oakton® DO 2700 Benchtop Dissolved Oxygen Meter Series
Designed for optimal performance and versatility
- Advanced meter for research grade use with BOD capability

Oakton® DO 6+ Dissolved Oxygen Meters
High accuracy combined with economical pricing
- Low-maintenance, galvanic probe requires no warm-up time
- Includes protective rubber boot which also functions as a benchtop stand

Oakton® DO 700 Benchtop Dissolved Oxygen Meter Series
Compact, space-saving design is nearly 40% smaller than other benchtop meters
- Extra-large 3-1⁄4″ x 2-7⁄16″ (8.3 x 6.2 cm), brightly lit LCD for easy viewing of measured values
- Low-maintenance galvanic probe requires no warm-up time
- Built-in memory stores up to 100 data points

Oakton® Waterproof DO 450 Optical Dissolved Oxygen Portable Meter 64724
Affordable optical RDO technology reduces maintenance time and costs
- Eliminates costly, tiresome membranes and solutions
- Rugged, IP67-rated housing for plant and field applications
- Memory for 500 data sets and USB and RS-232 output for transfer to PC
- 500 hours battery life, or optional universal power adapter
- Built-in stand with wall mount allows for easy benchtop measurement or storage

Oakton® Waterproof DO 600 Dissolved Oxygen Meters
Stores up to 500 data points with time-and-date stamp for GLP compliance
- Programmable “calibration due” date for increased data integrity
- Wirelessly download data via IrDA or RS-232 (LED) port

Strathkelvin Precision Dissolved Oxygen Respirometer
Meter interfaces with your PC for respiration rates of mitochondria, cell suspensions, and oxidative enzyme preparations.
- Ideal for laboratory research and cell biology research
- Precision microcathode electrodes

Thermo Scientific Orion COD165 Reactor for COD test, 115/230VAC
Ideal for environmental and wastewater monitoring
- Simultaneous digestion of 25 samples saves time
- For a complete system order COD reactor (99581-35), COD test kits (99581-40,-42, or -44), and COD colorimeter (99581-20)

Thermo Scientific Orion Star A100 Series Benchtop Dissolved Oxygen Meter
Make it easy and affordable to take simple, accurate dissolved oxygen measurements
- Oxygen measurement directly in % saturation or mg/L (ppm)
- Large LCD displays Conductivity along with temperature
- Auto-Read™ function locks in stable reading
- Nonvolatile memory holds up to 50 data points
- AC power adapter or four AA batteries (sold separately)

Thermo Scientific Orion Star A100 Series Portable Dissolved Oxygen Meter
Make it easy and affordable to take simple, accurate dissolved oxygen measurements
- Oxygen measurement directly in % saturation or mg/L (ppm)
- Large LCD displays Conductivity along with temperature
- Auto-Read™ function locks in stable reading
- Nonvolatile memory holds up to 50 data points
- AC power adapter or four AA batteries (sold separately)

Thermo Scientific Orion Star A200 DO/RDO/BOD/Temperature Benchtop Meter
Durability and dependability make it the ideal choice for every lab, every sample, every day
- Multlanguage interface supports English, Spanish, French, Italian, German and Chinese
- Choose between RDO optical probe and polarographic probe
- Directly measure in mg/L (ppm) or % saturation
- Automatic temperature, barometric pressure abd salinity corrections
- Nonvolatile memory holds up to 200 data points with time date stamp
- Individual passwords provide better method security
- Option of AC power or four AA batteries (sold separately)

Thermo Scientific Orion Star A200 DO/RDO/Temperature Meter
Durability and dependability make it the ideal choice for every sample, every day, anywhere
- Multilanguage interface supports English, Spanish, French, Italian, German and Chinese
- Choose between RDO optical probe and polarographic probe
- Directly measure in mg/L (ppm) or % saturation
- Automatic temperature, barometric pressure abd salinity corrections
- Nonvolatile memory holds up to 1000 data points with time date stamp
- Four AA batteries provide 800 hours of field use, or order optional AC adpater for lab use