Dissolved Oxygen Meters

Benchtop or portable instruments, probes, and sensors used to measure dissolved oxygen in water and other solutions; typically used to determine oxygen saturation or biological oxygen demand (BOD), a measure of biodegradable material in the sample.

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Thermo Scientific™ Orion Star™ A213 Dissolved Oxygen Benchtop Meter

Reliably measure dissolved oxygen (RDO optical/polarographic) and temperature with this benchtop meter for advanced lab analysis.

Pricing & Availability
Specifications

Temperature (Metric) Range	0.0°C to 50.0°C
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	Universal AC adapter (included) or 4 AA batteries (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	2000 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 (sold separately)
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 18 cm x 11 cm (9.5 in. x 7.1 in. x 4.3 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), stirrer input (stirrer probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	0.9 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 (Cat. No. 1010003)
Alarm Output	High/low limit alarm, calibration due alarm
IP Rating	IP-54
Percent Saturation Resolution (Polarographic DO)	0.1, 1 % saturation
Model	Orion Star A213 RDO Optical/Dissolved Oxygen/Temperature Benchtop Meter
Weight (English)	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™ Versa Star Pro™ DO Benchtop Meter

Get premium performance and flexibility with this benchtop meter with module for dissolved oxygen (optical/polarographic) and temperature.

Pricing & Availability
Specifications

Power Rating	DC input: 9VDC, 1A
Temperature (Metric) Range	-5.0°C to +105.0°C
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, Chinese, Portuguese and Korean
Measurement Modes	Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature and Barometric Pressure)
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
Data Points	2000 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 and module 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, Timed and Single Shot measure modes; manual data logging with
Relative Humidity Range	5 to 85 %, non-condensing
Range (RDO)	0.00 to 50.00 mg/L
Dimensions (L x W x H)	28 cm x 24 cm x 10 cm (11 in. x 9.5 in. x 3.9 in.), modules add ≤ 2 cm (0.8 in.) L & H
Percent Saturation Range (RDO)	0.0 to 500.0 % saturation
Temperature Selection	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
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
Pressure Resolution	0.1mmHg
Channels	4 - customizable with modules
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), two stirrer inputs (stirrer probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	1.2 kg, modules add 0.2 kg each
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 (Cat. No. STARA-PWR)
Alarm Output	Set point alarm, high/low limit alarm, calibration due alarm
IP Rating	IP-54
Percent Saturation Resolution (Polarographic DO)	0.1, 1 % saturation
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)
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

Cole-Parmer Oakton DO 700 Benchtop Dissolved Oxygen Meter

With a compact, space-saving design that is nearly 40% smaller than other benchtop meters, the DO 700 meter measures dissolved oxygen in mg/L, ppm, or % saturation with simultaneous temperature display in F or C. DO is measured from 0 to 30 mg/L (ppm) or from 0 to 300% saturation to meet the needs of a wide array of applications. Independent 100% and 0% calibration points provide accuracy over the entire range. Measurement accuracy can be increased by manual barometric pressure and salinity compensationmeter automatically calculates offset. Built-in automatic temperature compensation (ATC) provides greater precision by correcting for temperature variations between 32 to 122F (0 to 50C). Oversized display is brightly lit for easy viewing of measurements. LCD also features annunciators to aid in operation and troubleshooting.

Pricing & Availability

Cole-Parmer Oakton DO700 Benchtop Dissolved Oxygen Meter with NIST-Traceable Calibration

The DO 700 benchtop meter measures dissolved oxygen in mg/L, ppm, or % saturation with simultaneous temperature display in F or C. DO is measured from 0 to 30 mg/L (ppm) or from 0 to 300% saturation to meet the needs of a wide array of applications. Independent 100% and 0% calibration points provide accuracy over the entire range. Measurement accuracy can be increased by manual barometric pressure and salinity compensationmeter automatically calculates offset. Built-in automatic temperature compensation (ATC) provides greater precision by correcting for temperature variations between 32 to 122F (0 to 50C). Oversized display measures 3-14" x 2-716" (8.3 x 6.2 cm) and is brightly lit for easy viewing of measurements. LCD also features annunciators to aid in operation and troubleshooting.

Pricing & Availability

Thermo Scientific™ Orion Star™ A113 Dissolved Oxygen Benchtop Meter

Take simple, accurate dissolved oxygen and temperature measurements with this benchtop meter with easy operation for basic lab testing.

Pricing & Availability
Specifications

Temperature (Metric) Range	0.0°C to 50.0°C
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	Universal AC adapter (included) or 4 AA batteries (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)	0.9 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 (Cat. No. 1010003)
Sensor Types	Polarographic dissolved oxygen sensor
Percent Saturation Range Polarographic DO	0.0 to 200.0 % saturation
Log Function Type	Automatic data logging with Auto-Read measure mode; manual data logging with Continuous measure mode
Battery Type	Four AA (sold separately)
Relative Humidity Range	5 to 85 %, non-condensing
Dimensions (L x W x H)	24 cm x 18 cm x 11 cm (9.5 in. x 7.1 in. x 4.3 in.)
IP Rating	IP-54
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
Model	Orion Star A113 Dissolved Oxygen/Temperature Benchtop Meter
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

Fisherbrand™ accumet™ Research AR40 Benchtop Dissolved Oxygen Meter Kit

Easy-to-use dissolved oxygen meter provides accuracy, reliability and intuitive operation.

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Cole-Parmer Oakton DO2700 Benchtop Dissolved Oxygen Meter with NIST-Traceable Calibration

Oakton DO 2700 meter measures dissolved oxygen in mg/L, ppm, or % saturation with simultaneous temperature display in °F or °C. Large LCD features annunciators to aid in meter use and troubleshooting. Large display size makes viewing measurements easier. Meter is encased in a compact housing which takes up a minimum of bench space. Water-resistant membrane keypad and convenient pullout reference guide provide useful features for the lab. Meter meets GLP requirements — all calibration and measurement data is stored with a time/date stamp. Bundled self-stirring probe and bi-directional RS-232 make this meter ideal for BOD and other advanced dissolved oxygen applications. Nonvolatile memory stores up to 500 data sets to simplify documenting data. Oversized graphic LCD with backlight allows readings under all conditions.

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Dissolved Oxygen Meters

Dissolved Oxygen Meters

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